HP Apollo 9000 400dl Servicing Manual Download

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Contents

Tables

1-1

200-MB Winchester Disk Drive Specifications . . . . . . . . . . . . . . . . . . . . . 1-7

1-2

System Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8

1-3

Model 400s Supported DIO-II Accessory Boards . . . . . . . . . . . . . . . . . . . . 1-13

1-4

Model 400s Supported AT-Compatible Accessory Boards . . . . . . . . . . . . . 1-13

1-5

Model 400s System Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-15

1-6

Model 400s Workstation Internal Mass Storage Devices . . . . . . . . . . . . . . 1-17

2-1

LED Codes Displayed During Normal Domain/OS Operation . . . . . . . . . 2-10

4-1

Methods To Access Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15

4-2

Self Test LED FRU Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22

4-3

MD Status LED Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-24

4-4

Terminal Escape Sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-36

4-5

LAN Boot Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-37

4-6

Unexpected Use of (address) Failure Messages . . . . . . . . . . . . . . . . . . . . . 4-40

4-7

General Failure Code Descriptions (Upper Two Bits Fail Indicators) . . . . 4-42

4-8

General Failure Code Descriptions (Lower Two Bits Fail Indicators) . . . . 4-43

4-9

System Unit LED State and Failure Codes . . . . . . . . . . . . . . . . . . . . . . . . . 4-44

4-10 Boot ROM Displayed Status Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-46

4-11 Boot ROM Displayed Failure Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-48

4-12 Extended SCSI Test Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-51

4-13 Extended SCSI Test System Reconfiguration Messages. . . . . . . . . . . . . . . 4-52

4-14 400t and 400dl Memory Addresses vs. Memory Block . . . . . . . . . . . . . . . 4-56

4-15 400s Memory Addresses vs. Memory Block . . . . . . . . . . . . . . . . . . . . . . . . 4-57

4-16 Example Memory Map for 400s with 80 MB of Memory . . . . . . . . . . . . . 4-58

4-17 Model 400t and 400dl Power Supply Voltages and Tolerances . . . . . . . . . 4-64

4-18 Switch Circuit FRU Pin Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-65

4-19 Power-On LED Circuit FRU Pin Numbers . . . . . . . . . . . . . . . . . . . . . . . . . 4-67

4-20 Model 400s System Unit Power Supply Voltages and Tolerances . . . . . . . 4-71

5-1

Model 400t and 400dl System Unit FRUs. . . . . . . . . . . . . . . . . . . . . . . . . . 5-23

5-2

Model 400t and 400dl Non-System Unit FRUs. . . . . . . . . . . . . . . . . . . . . . 5-23

5-3

Model 400s Main System Unit Part Numbers . . . . . . . . . . . . . . . . . . . . . . 5-79

5-4

Model 400s DIO-II Card Cage Part Numbers . . . . . . . . . . . . . . . . . . . . . . . 5-81

5-5

Model 400s ISA Card Cage Part Numbers . . . . . . . . . . . . . . . . . . . . . . . . . 5-83

5-6

Model 400s Mass Storage/Motherboard Part Numbers . . . . . . . . . . . . . . . 5-84

5-7

Model 400s Chassis Part Numbers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-85

A-1

Jumper Configurations for VRX Monochrome Controller . . . . . . . . . . . . . A-4

C-1

System Unit, System Console, and Operating System Matched Situations

at Power-Up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-1

C-2

System Unit, System Console, and Operating System Mismatch Situations

at Power-Up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-2

Summary of Contents for Apollo 9000 400dl

Page 1: ...Servicing the HPApollo 9000 Series 400 Workstations Order No A1630 90007 Manufacturing No A1630 90607 ...

Page 2: ...urnishing performance or use of this material Hewlett Packard assumes no responsibility for the use or reliability of its software on equipment that is not furnished by Hewlett Packard This document contains proprietary information which is protected by copyright All rights reserved No part of this document may be photocopied reproduced or translated to another language without the prior written c...

Page 3: ...onable protection against such interference when operated in a commercial environment Operation of this equipment in a residential area is likely to cause interference in which case the user at his own expense will be required to take whatever measures may be required to correct the interference Compliance to these regulations requires the use of shielded cables Canadian Department of Communicatio...

Page 4: ...iv VCCI Class 1 ITE Equipment VCCI Class 2 ITE Equipment ...

Page 5: ...utions Electrostatic charges can damage the integrated circuits on printed circuit boards To pre vent such damage from occurring observe the following precautions during board unpack ing and installation Stand on a static free mat Wear a static strap to ensure that any accumulated electrostatic charge will be dis charged from your body to ground Connect all equipment together including the static ...

Page 6: ...vi ...

Page 7: ... We ve organized this manual as follows Chapter 1 Provides an overview of the Series 400 workstations Chapter 2 Describes the operating controls used to isolate system malfunc tions Chapter 3 Explains the theory of operation at the FRU level Chapter 4 Contains troubleshooting flowcharts and test procedures Chapter 5 Describes removal replacement procedures Appendix A Provides jumper and switch set...

Page 8: ...k that you have ordered all of the manuals that you need If you are using the Aegis environment you can access the same information through the Help system by typing help manuals Refer to the Domain Documentation Quick Reference 002685 and the Domain Docu mentation Master Index 011242 for a complete list of related documents For more information about Domain OS including Domain OS related diagnost...

Page 9: ...ents HP Apollo 9000 Series 400 Model 400dl 400t 425t Installation Guide A1630 90001 HP Apollo 9000 Series 400 Model 400s 433s Installation Guide A1421 90001 HP Apollo 9000 Model 400dl 400t and 425t Technical Reference A1630 90002 Installing the Winchester Disk into the HP Apollo 9000 Model 400t and 425t Workstation A1630 90003 HP Apollo 9000 Series 400 Workstation Domain OS Owner s Guide A1630 900...

Page 10: ... you must use literally Pathnames are also in bold Bold words in text indicate the first use of a new term user supplied values Italic words or characters in formats and command descriptions repre sent values that you must supply sample user input In samples information that you enter appears in bold output Information that the system displays appears in this typeface Angle brackets enclose the na...

Page 11: ...rds 1 6 1 3 Winchester Disk Drive Specifications 1 7 1 4 Model 400t and 400dl System Configurations 1 8 Part 2 Model 400s Product Overview 1 5 Introduction 1 9 1 6 Physical Configuration 1 11 1 6 1 System Units 1 11 1 6 2 Supported DIO Accessory Boards 1 13 1 6 3 Supported AT Compatible Accessory Boards 1 13 1 6 4 Monitors and Graphics Controllers 1 14 1 6 5 Keyboards 1 14 1 7 Model 400s System Un...

Page 12: ...16 3 2 5 802 5 Network Controller AT 3 17 3 2 6 HP IB Controller 3 17 3 2 7 I O Boards for Model 400s Systems 3 17 3 2 8 Graphics Controller Boards 3 18 3 2 9 Power Supplies 3 19 Chapter 4 Fault Isolation Part 1 Troubleshooting Flowcharts and Diagnostics for Domain Compatible Mode 4 1 Troubleshooting Flowcharts for Systems that Use Domain Compatible Mode 4 3 4 2 Diagnostic Summary for Domain Compa...

Page 13: ...rocedures 4 11 Checkout Procedures for Model 400t and 400dl Systems 4 60 4 12 Checkout Procedures for the Model 400s System Unit 4 70 4 12 1 Main Power Distribution Cable Connectors 4 73 Chapter 5 FRU Removal and Replacement 5 1 Introduction 5 1 5 2 Recommended Equipment 5 1 Part 1 Removing and Replacing Model 400t and 400dl FRUs 5 3 System Assemblies 5 2 5 3 1 Memory Board Removal and Replacement...

Page 14: ...eplacement 5 44 5 5 16 ISA Card Cage Removal and Replacement 5 46 5 5 17 Card Cage Fan Removal and Replacement 5 48 5 5 18 HP IB Interface Board Removal and Replacement 5 50 5 5 19 Converter Board Removal and Replacement 5 51 5 5 20 CPU Board Removal and Replacement 5 52 5 5 21 EEPROM Removal and Replacement 5 54 5 5 22 Memory Board Removal and Replacement 5 56 5 5 23 Emulator Board Removal and Re...

Page 15: ...pendix B Selecting the Operating Mode and Network Priority on Domain OS Systems B 1 Selecting Domain Compatible Mode B 1 B 2 Selecting the Primary Network B 4 Appendix C Configuring the EEPROM for HP UX Systems C 1 Workstation Configurations C 1 C 2 System Console and System Unit Configurations C 3 C 2 1 Keyboard and Monitor as System Console C 3 C 2 2 Terminal as System Console C 4 C 2 3 Terminal...

Page 16: ... Select Mode C 25 C 5 1 Scan for System C 26 C 5 2 Selected System C 27 C 5 3 Store Selected System C 28 Appendix D Connecting Terminals to Domain OS Systems D 1 Using a Field Terminal D 1 D 2 Using a Workstation as a Terminal D 2 ...

Page 17: ... LED Not On 4 6 4 3 Model 400s System Power LED Not On 4 7 4 4 Domain Keyboard Problems 4 8 4 5 Problems with Display 4 9 4 6 Diskless Node Partnering Problems 4 10 4 7 Problems with Winchester Disk 4 11 4 8 Problems While Booting 4 12 4 9 Node Causes Network Problems 4 13 4 10 Diagnostic Relationships for Domain OS Compatible Mode 4 16 4 11 Front Panel LEDs 4 21 4 12 Memory Board Slots 4 23 4 13 ...

Page 18: ...oard Removal Model 400t and 400dl 5 20 5 18 Calendar Battery Removal Model 400t and 400dl 5 21 5 20 Illustrated Parts Breakdown of the System Unit 5 22 5 21 Model 400s DIO II Accessory Board Removal 5 25 5 22 Model 400s Power Supply Removal 5 26 5 23 Model 400s Top and Left Side Cover Removal 5 27 5 24 Model 400s Right Side Cover Removal 5 28 5 25 Model 400s Trim Plate Removal 5 30 5 26 Model 400s...

Page 19: ...oller Switch Configuration A 3 A 3 VRX Monochrome Graphics Controller Jumpers A 4 A 4 Standard 802 5 Network Controller AT Jumper Configuration A 5 A 5 Alternate 802 5 Network Controller AT Jumper Configuration A 6 A 6 Apollo Token Ring Network Controller AT Jumper Settings A 7 A 7 PC Coprocessor Standard Jumper Configurations A 8 A 8 PC Coprocessor Alternate Jumper Configurations A 8 A 9 200 MB W...

Page 20: ...essages 4 48 4 12 Extended SCSI Test Messages 4 51 4 13 Extended SCSI Test System Reconfiguration Messages 4 52 4 14 400t and 400dl Memory Addresses vs Memory Block 4 56 4 15 400s Memory Addresses vs Memory Block 4 57 4 16 Example Memory Map for 400s with 80 MB of Memory 4 58 4 17 Model 400t and 400dl Power Supply Voltages and Tolerances 4 64 4 18 Switch Circuit FRU Pin Numbers 4 65 4 19 Power On ...

Page 21: ...C Diagnostics 4 25 4 5 Power Supply Verification for the Model 400t and 400dl Systems 4 63 4 6 Winchester Disk Power Checkout for the Model 400t and 400dl 4 68 4 7 Calendar Battery Checkout for Model 400t and 400dl Systems That Use Domain Compatible Mode 4 69 4 8 Power Supply Verification for the Model 400s System Unit 4 70 4 9 Using the HP UX ce utilities 4 74 4 10 Calendar Battery Checkout for M...

Page 22: ......

Page 23: ...0s These workstations share a common core processor and can run either the HP UX or Domain OS operating systems The Model 400s workstation is also available as a serv er In general we refer to any workstation or server as the system when necessary however we refer to specific systems by model for example Model 400t When we discuss a topic that applies to the three systems we refer to the three sys...

Page 24: ...0t systems that are running Domain OS use the network controllers and the Domain low profile keyboard Model 400t systems that are running HP UX use the HP IB interface board and the HP 46021A keyboard and other HP HIL Human In terface Loop devices The system can also include one or two 200 MB Winchester disk drives The display options are a Monochrome 19 inch 1280 x 1024 bit mapped monitor and gra...

Page 25: ...sn t have the connectors necessary for internal or ex ternal disk drives and some I O interfaces and memory As a result the Model 400dl consists of the following configuration A monochrome 19 inch 1280 x 1024 bit mapped monitor and graphics con troller Eight or 16 MB of memory by using two or four 4 MB memory boards 802 3 network AUI or ThinLAN jumper selectable on the CPU board RS 232 expandable ...

Page 26: ...1 4 Product Overview Figure 1 1 HP Apollo Model 400t or Model 400dl Workstation ...

Page 27: ...the FRU part numbers and a description of the removal and replacement procedures for these FRUs 1 2 1 System Unit The Model 400t system unit contains the following components CPU board Memory boards Winchester disk drive s Graphics controller board Optional network or HP IB interface board Power supply The Model 400dl system unit contains the following components CPU board Memory boards Graphics c...

Page 28: ...s that run the HP UX operating system use the HP ITF keyboard The Domain keyboard connects to the rear of the system unit via a coiled cord that is permanently attached to the keyboard The ITR HP 46021A keyboard connects to the system unit via a detachable cord that is labeled at either end One end of the cord is labeled with a single dot which connects to the HP HIL port at the rear of the system...

Page 29: ...tions for the Model 400t internal 200 MB Winchester disk drive s Table 1 1 200 MB Winchester Disk Drive Specifications Characteristic Specification Capacity formatted Single cylinder seek Average seek time Maximum stroke Rotational speed 200 MB minimum 5 msec minimum 18 msec 40 msec 3600 rpm ...

Page 30: ...sor 1 Monitor Monochrome 19 Inch Monitor Color 16 Inch or 19 Inch Monitor Color 16 Inch or 19 Inch HP IB or AT Compatible Bus Slot one slot HP IB Interface Port 1 2 Apollo Token Ring Controller 1 2 802 5 Controller 1 2 External Storage N A N A CPU Board EtherLAN AUI or ThinLAN RS 232 Serial Port Audio Port SCSI Port 1 Centronics Parallel Port 1 Domain keyboard Connector HP HIL Interface Port N A P...

Page 31: ...rk controller may be used in an ISA slot DIO II configuration Two DIO II interface slots one of which has the graphics controller board or graphics processor interface board Three slot DIO II backplane is included for DIO II accessory boards Model 400s systems that are running Domain OS use the network controllers and the Domain low profile keyboard Model 400s systems that are running HP UX use th...

Page 32: ...omain OS systems 802 3 network AUI or ThinLAN jumper selectable on the CPU board Centronics Parallel Input Output SCSI For systems that run HP UX you can configure parameters for the RS 232 802 3 net work Centronics parallel and SCSI interfaces by using the Boot ROM I O configura tion program Refer to Appendix C for information about using the configuration pro gram Figure 1 2 shows a typical Mode...

Page 33: ...make up these units and the FRU part numbers and a description of the removal and replacement procedures for these FRUs 1 6 1 System Units The system unit is available in three versions Standard Model 400s systems have the following components Power supply Motherboard with two DIO II slots CPU board with attached emulator board and memory modules Graphics controller or interface board Mass storage...

Page 34: ... or interface board Mass storage devices An optional HP IB interface board may also be included ISA Model 400s systems have the following components Power supply Motherboard with two DIO II slots Additional 4 slot ISA backplane that includes support for the Apollo To ken Ring network board CPU board with attached emulator board and memory modules Graphics board Mass storage devices An optional HP ...

Page 35: ...iplexer HP 98642A 4 Port Multiplexer HP 98643A LAN Interface HP 98644A RS 232 Interface HP 98646AVMEbus 16 Bit Interface HP 98649A SDLC Interface HP 98658A SCSI Interface HP 50692A SRM Interface 1 63 Supported AT Compatible Accessory Boards AT compatible accessory boards supported in Model 400s systems are listed in Table 1 4 Table 1 4 Model 400s Supported AT Compatible Accessory Boards AT Compati...

Page 36: ...aphics Processor HP 98735A B 2 D Graphics Processor 1 6 5 Keyboards Model 400s systems that run the Domain OS operating system use the Domain low profile keyboard Systems that run the HP UX operating system use the HP 46021B keyboard The Domain keyboard connects to the rear of the system unit via a coiled cord that is permanently attached to the keyboard The HP 46021A keyboard connects to the syst...

Page 37: ...e Board DIO II Accessory Board HP 98789A 16 in Color Monitor HP 98754A 19 in Color Monitor HP 98774A 19 in Mono Monitor HP 98705A Graphics Processor HP 98574A 19 in Color Monitor HP 98705B Graphics Processor HP 98574A 19 in Color Monitor HP 98705C Graphics Processor HP 98574A 19 in Color Monitor HP 98735A Graphics Processor HP 98574A 19 in Color Monitor HP 98736A Graphics Processor HP 98574A 19 in...

Page 38: ...d EtherLAN AUI or ThinLAN Audio Port SCSI Port HP Parallel Port Domain keyboard Connector HP HIL Connector HP IB Interface Network External Speaker SCSI Devices Centronics Devices Domain keyboard HP 46021A Keyboard HP HIL Devices HP IB Devices Built in Mass Storage 330 MB 5 25 in Hard Disk Drive 660 MB 5 25 in Hard Disk Drive 60 MB QIC Tape Drive 650 MB CD ROM Drive ...

Page 39: ...ive HPA1443A 660 MB Hard Disk Drive for HP UX HPA1444A 660 MB Hard Disk Drive for Domain HPA1448A CD ROM Disk Drive HPA1449A QIC Tape Drive Table 1 6 Model 400s Workstation Internal Mass Storage Devices Specification HPA1442A 330 MB HPA1443 4A 660 MB HPA1448A CD ROM HPA1449A QIC Tape Media Rate SCSI Burst Capacity 1 6 M sec 5 0 M sec 330 MB 1 6 M sec 5 0 M sec 660 MB 175 K sec 1 5 M sec 650 MB 90 ...

Page 40: ......

Page 41: ... 2 1 1 System Unit Controls for the Model 400t and 400dl Figure 2 1 shows the locations of the following switches on the Model 400t and 400dl system units The Power switch controls the supply of dc power to the system unit The SERVICE Mode switch when pressed toggles the operating mode of the system between NORMAL and SERVICE mode When the system is in SER VICE Mode the LED labeled Service on the ...

Page 42: ...2 2 System Controls Figure 2 1 Model 400t and 400dl System ...

Page 43: ...System Controls 2 3 Figure 2 2 shows the locations of the system connectors on the rear of the Model 400t and 400dl system units Figure 2 2 Model 400t and 400dl System Connectors ...

Page 44: ...del 400s Figure 2 3 shows the locations of the Power switch which controls the supply of dc power to the system unit Top five LED indicators Mass storage devices on the front of the Model 400s system unit Figure 2 3 Model 400s System Unit Operational Controls ...

Page 45: ...h is a two position slide switch that selects NORMAL or SERVICE mode according to its position When the worksta tion is in SERVICE mode the LED labeled S on the front panel is on The Reset switch invokes a system reset The system connectors for graphics networks keyboards and other applica tions Figure 2 4 Model 400 System Unit System Connectors ...

Page 46: ...4 72 Hz monochrome monitor part number 98774A Control Function Power On LED Contrast Control Brightness Control Power Switch Light is lit when monitor is on Adjusts the light to dark and dark to light contrast Adjusts the brightness of the display Turns the monitor power on or off Figure 2 5 19 Inch Monochrome Monitor Controls ...

Page 47: ...ertical Centering Horizontal Static Convergence Vertical Static Convergence Turns the monitor power on or off Light is lit when monitor is on Adjusts the light to dark and dark to light contrast Positions the image vertically Separates or merges the red green and blue colors in the horizontal direction Separates or merges the red green and blue colors in the vertical direction Figure 2 6 16 Inch C...

Page 48: ...Centering Horizontal Static Convergence Vertical Static Convergence Turns the monitor power on or off Light is lit when monitor is on Adjusts the light to dark and dark to light contrast Adjusts the brightness of the display Positions the image vertically Separates or merges the red green and blue colors in the horizontal direction Separates or merges the red green and blue colors in the vertical ...

Page 49: ...ts The Power LED indicates that the power is on The Service LED when on indicates that the system is in SERVICE mode The LEDs labeled A through H indicate sys tem status The Power LED and the LEDs labeled A through D are always visible You can view the other five LEDs by opening the door Figure 2 8 System Unit Front Panel LEDs ...

Page 50: ...g Normal Domain OS Operation LED Display A through D Flashing Message Operating System Running Disk Access In Progress Network Receive In Progress Network Transmit In Progress P Power On Indicator LED On S Service Mode Indicator On SERVICE Mode Off NORMAL Mode Note that the Network Receive In Progress and Network Transmit In Progress codes can flash so rapidly that they appear as a steady not flas...

Page 51: ... level so that you can trace problems more effectively 3 1 System Level Operation This section presents a general overview of the Domain OS operating system and the system buses Refer to Section 3 2 for details about the individual FRUs The Series 400 systems run either the Domain OS or HP operating systems such as HP UX and are available in the following three models Model 400t Model 400dl Model ...

Page 52: ...expandable The Model 400s has the following features More internal storage options that the Model 400t Two DIO II interface slots standard Capability for an additional 3 slot DIO II interface backplane or 4 slot ISA AT compatible backplane 3 1 1 Domain OS Virtual Memory Operating System The Domain operating system provides two important functions for the system Runs several programs at the same ti...

Page 53: ...cation can be on the system s memory boards the main memory or in a memory component on any other board in the system 3 1 2 System Buses Figure 3 1 through Figure 3 5 show the functional organization of the buses and the bus interfaces on the CPU boards of the different Series 400 system models The DIO system bus provides the main channel for address and data flow among the following system compon...

Page 54: ...3 4 Theory of Operation Figure 3 1 Model 400t System Block Diagram ...

Page 55: ...Theory of Operation 3 5 Figure 3 2 Model 400dl System Block Diagram ...

Page 56: ...3 6 Theory of Operation Figure 3 3 Model 400s Standard I O System Unit Functional Block Diagram ...

Page 57: ...Theory of Operation 3 7 Figure 3 4 Model 400s DIO II System Unit Functional Block Diagram ...

Page 58: ...3 8 Theory of Operation Figure 3 5 Model 400s ISA System Unit Functional Block Diagram ...

Page 59: ... graphics processor interface board The following lists show the most important elements of the CPU board s hardware An asterisk next to some items denotes hardware that is not available on the Model 400dl The emulator board which includes the following components The MC68030 Microprocessor the system s CPU The MC68882 Floating Point Coprocessor FPU Boot ROM and EEPROM for configuration data stora...

Page 60: ...ng system and user programs FPU The MC68882 floating point coprocessor executes floating point math routines in hardware under the control of microcode The FPU shares the CPU s access to the memory Boot ROM and Configuration EEPROM The Boot ROM stores self test diagnostics and the system configuration program The EEPROM stores the following information Node ID 802 3 LAN ID Data from the configurat...

Page 61: ...face Link HP HIL is the HP standard for inter facing HP HIL devices such as HP keyboards to the system Asynchronous serial communications protocol enables you to select a set of input devices connect them to the system unit and work with any application program A link controller on the CPU board controls the HP HIL Each HP HIL device has an interface for transferring information to and from the de...

Page 62: ...CPU board The shared memory area has the memory controller circuits 16 KB of memory 64 nibbles of nonvolatile storage of the node address and control status and ID registers Multiplexing of DIO II information and the 802 3 LAN chip set is also part of the controller circuit An AUI attachment unit interface connector enables connections to an external MAU The MAU circuits used with the ThinLAN conn...

Page 63: ...ce cable used for internal mass storage devices If the external SCSI connector on the CPU board does not have a cable connected a termi nator must be installed on the connector In all cases the last external SCSI device must have a terminator in its unused connector For bus termination on Model 400t and 400dl systems a SCSI bus terminator is always present on the CPU board regardless of a system s...

Page 64: ...eatures DMA Bus mastership and some interrupts uses only three of eleven interrupts The bus operates synchronously with the proces sor but at one fourth the frequency HP IB Interface The HP IB controller is an RS 232 interface that has six modem control lines and an 8 Bit DIO interface that supports HP IB devices DIO II and SGC Controller Slot This single slot has both a DIO II connector and an SG...

Page 65: ...nd fourth slots 1A and 1B Do not allow empty slots between boards The three Series 400 systems use different memory boards and memory configurations The Model 400t can use 2 and 4 MB boards for memory configurations of 8 to 32 MB in 4 or 8 MB increments The Model 400dl can use 4 MB boards for a memory configuration of 8 or 16 MB The Model 400s can use 4 or 16 MB boards for memory configurations of...

Page 66: ...Reset switch and Service Normal switch The Service Normal switch is a push button switch that only retains its state Service or Normal mode when the system is on the system defaults to Normal mode when you turn it off The LED board also routes the power supply dc V power on signal between the power on switch and the power supply 3 2 4 Apollo Token Ring Network Controller AT The Apollo Token Ring A...

Page 67: ...he HP IB board uses a TMS9914 HP IB controller which allows data transfer rates up to 450 KB second The TMS9914 is a memory mapped I O device which is mul tiple mapped within a 64 KB internal I O device One configuration function for the HP IB system controller is part of the Boot ROM s interface configuration mode When two or more HP IB devices capable of control ling the interface are connected ...

Page 68: ...ty Supported video graphics boards include VRX Color Video Board HPA1416A This version displays 1280 by 1024 individual pixels and drives the high resolution color monitors It provides 8 image planes and 2 overlay planes GAD Bus Interface Board HP 98702A This interface board drives one of the following graphics processors HP 98705A Graphics Processor providing 8 color planes and 4 overlay planes H...

Page 69: ... to the supplies The sup plies receive ac power when plugged into a wall outlet The on off switch turns on the dc output of the supplies by passing a low level dc control voltage and input signal Model 400t and 400dl Power Supply The power supply for Model 400t and 400dl systems contains a voltage margin feature that enables the CPU to alter the nominal 5V output voltage by five percent above or b...

Page 70: ...3 20 Theory of Operation Figure 3 6 Model 400s System Unit Power Distribution Diagram ...

Page 71: ...pter 5 if the flowcharts call for FRU replacements Troubleshooting in Domain Compatible Mode You must be familiar with the Domain OS shells and commands to troubleshoot Series 400 system units that are running in Domain Compatible mode You must be able to start and stop processes You should also become familiar with a number of standalone utilities and with both the online and offline diagnostics ...

Page 72: ...le to start and stop processes You should also be familiar with the Boot ROM Test Mode Series 300 Test Tools and the HP UX ce utilities The Series 200 300 Test Tools Manual has instructions for running the Series 300 Test Tools Instructions for using ce utilities are found in the System Support Tape User s Guide For Series 400 systems that run HP UX Compatible mode you note any error or status mes...

Page 73: ... for Systems that Use Domain Compatible Mode This section provides flowcharts that route you through a series of standard troubleshooting procedures for Series 400 systems that use Domain Compatible mode see Figure 4 1 through Figure 4 9 Refer to Part 3 of this chapter for the checkout procedures that these flowcharts reference ...

Page 74: ...4 4 Fault Isolation Figure 4 1 Main Flowchart ...

Page 75: ...Fault Isolation 4 5 Figure 4 1 Main Flowchart Cont ...

Page 76: ...4 6 Fault Isolation Figure 4 2 Model 400t and 400dl System Power LED Not On ...

Page 77: ...Fault Isolation 4 7 Figure 4 3 Model 400s System Power LED Not On ...

Page 78: ...4 8 Fault Isolation Figure 4 4 Domain Keyboard Problems ...

Page 79: ...Fault Isolation 4 9 Figure 4 5 Problems with Display ...

Page 80: ...4 10 Fault Isolation Figure 4 6 Diskless Node Partnering Problems ...

Page 81: ...Fault Isolation 4 11 Figure 4 7 Problems with Winchester Disk ...

Page 82: ...4 12 Fault Isolation Figure 4 8 Problems While Booting ...

Page 83: ...Fault Isolation 4 13 Figure 4 9 Node Causes Network Problems ...

Page 84: ... each of these levels The Mnemonic Debugger MD level has Self Test diagnostics Extended Self Test diagnostics Test Stimulus Code TSC diagnostics Standalone utilities The sysboot netboot program The online level has Phase II boot shell Online exercises The functional capabilities of the failing node determines which diagnostic tool you can use Always start troubleshooting by noting any error messag...

Page 85: ...nd SAX by using the serial line connected either to a terminal TTY or to a workstation that emulates a terminal EMT Refer to Appendix D for information about using TTY and EMT Table 4 1 lists the primary methods to access diagnostics and where these diagnostics are stored Table 4 1 Methods To Access Diagnostics Method of Access Diagnostics Location Standalone System Diskless Self Test Boot ROM Sta...

Page 86: ...4 16 Fault Isolation Figure 4 10 Diagnostic Relationships for Domain OS Compatible Mode ...

Page 87: ... calendar invol and salvol you must specify the device type along with the controller number and unit number For example if you intend to run the calendar program a device found message appears on the screen When you are prompted to enter the device type w s f or other you must include the controller and unit num bers specified in the device found message along with the device type such as w6 0 Wi...

Page 88: ...reserved diagnostic logical blocks Once it locates the reserved blocks Test performs a read test to them If it does not find the PV label it displays pv label not found on the display screen Test checks a network controller which includes the integrated LAN controller on the CPU board by calling a diagnostic that resides in a PROM on the network controller Extended Test consists of all the Test di...

Page 89: ...p any user processes 2 Shut down to the MD prompt by typing the following at the login prompt login shut 3 At the MD prompt type the following re RETURN 4 After the beeper sounds press RETURN and type the following te RETURN end of procedure Procedure 4 2 Running the Extended Self Test Diagnostics 1 Log out and stop any user processes 2 Shut down to the MD prompt by typing the following at the log...

Page 90: ...dis play a message or code that calls out the failing FRU If the system is in NORMAL mode and an error occurs you receive a prompt asking if you wish to continue the tests and try to boot the operating system The LEDs and the display screen show the failing FRU and system status If the system is in SERVICE mode and an error occurs the tests halt with the LEDs and the display screen showing the fai...

Page 91: ...ont panel display Use these LED codes to determine the failing FRU The Self Test diagnostics use the display screen to report the test status Any failing FRUs are called out on the display screen When a memory error occurs Self Test re ports the address of the error and the Megabyte of memory in which the error occurred on the display screen ...

Page 92: ...CSI Device 6 SCSI Device 7 Network Interface Board Graphics Interface Board CPU Board SIO Memory Emulator Bd CPU Bd or EEPROM System Bus Apollo Keyboard CPU Board Utility 30 31 32 33 34 35 36 37 38 39 3A 3B 3C 3D 3E 3F P Power OK Indicator S Service Mode Indicator LED On On Service Mode Not On Normal Mode Screen displays Mother Board for this failure P A B C D E F G H S ...

Page 93: ...empty slots between boards In systems that contain different sized memory boards the largest memory boards precede the smaller boards in the board slots For example if a sys tem s memory configuration consists of four 4 MB boards and two 2 MB boards the 4 MB boards reside in slots 0A through 1B and the 2 MB boards reside in slots 2A and 2B Figure 4 12 Memory Board Slots To identify a defective mem...

Page 94: ...isk Waiting for Net Transmit Waiting for Volunteer Response Waiting for Net Receive 08 0C 02 03 04 05 S Service Mode Indicator P Power OK Indicator On Service Mode Not On Normal Mode LED On 4 3 3 Test Stimulus Code Diagnostics TSC diagnostics reside in the SAU directory on the system disk These diagnostics thoroughly test the components of the CPU board the keyboard and the EtherLAN network TSC di...

Page 95: ...e program that boots programs from disk including the operating system and the diagnostics described in this chapter NOTICE Diskless nodes execute a slightly different boot program callednetboot thatbootstheoperatingsystemacrossthenet work Use ctboot to boot from a cartridge tape drive The sysboot program uses the screen to display errors These errors can occur when the MD encounters problems whil...

Page 96: ...fore assuming that the shell is dead Once you have acquired the boot shell try some commands help wd ld Try to load and execute the commands in bscom Use the sh command to bring up a single user shell If there are problems bringing up the DM a shell or SPM you can try specifying debug 1 This causes information about each library to display as it loads Turn this mode off with debug 0 At this point ...

Page 97: ...90 3 34 31 pm EST eccc error mcsr 00000091 physical address FF5D8DE4 or FF5D8DEC board pair 2 board 0 bit 64 syndrome 01 4 5 3 System Acceptance Exerciser SAX SAX tests reside in the systest directory on the system disk These tests verify system operation by completely exercising the system including system options peripherals and networks SAX includes Storage Subsystem Tests SST a new diagnostic ...

Page 98: ...s for Systems that Use HP UX Compatible Mode This section provides flowcharts that route you through a series of standard troubleshooting procedures for Series 400 systems that use HP UX Compatible mode see Figure 4 13 and Figure 4 14 Refer to Part 3 of this chapter for the checkout pro cedures that these flowcharts reference ...

Page 99: ...Fault Isolation 4 29 Figure 4 13 HP UX Compatible Mode Main Troubleshooting Flowchart ...

Page 100: ...4 30 Fault Isolation Figure 4 14 HP UX Compatible Mode Boot Flowchart ...

Page 101: ...Fault Isolation 4 31 Figure 4 14 HP UX Compatible Mode Boot Flowchart Cont ...

Page 102: ...s Monitors connected to video board outputs Terminals connected to the CPU board s RS 232 interface If your system uses a terminal connected to the system units s RS 232 interface display updates appear at the bottom of the screen Older information scrolls up New information appears with the screen s uppermost line that changed and all lines below that appearing at the screen s bottom For example ...

Page 103: ...wer Up Sequence When you turn on the system unit the CPU executes a power up sequence of events before an operating system is booted This is required to initialize and test hardware to make sure the system unit is ready to boot an operating system The 29 steps of the power up sequence are 1 Test the CPU chip 2 Turn on test LEDs 3 Test the top 16 KB of RAM 4 Set up data structures 5 Load configurat...

Page 104: ...face 26 Initialize bit mapped video graphics boards 27 Test interfaces that have I O dependent test code 28 Checksum any ROMs in ROM space and report any problems 29 Output final LED value 4 7 4 Human Interfaces Several devices can act as the console or primary human interface for the Boot ROM The list of possible console devices is explained in this section Output Devices An RS 232 interface in t...

Page 105: ...nal interface Note that if an internal HP HIL interface and a remote terminal are both present in a system they are both enabled Similarly if an external HP HIL interface and a remote console are both present in a system they are both enabled provided no internal key board is present An external interface is never enabled when an internal interface is present When more than one external keyboard i...

Page 106: ... one is found it becomes the remote human interface To indicate that a remote human interface has been found at for example select code 9 the first line of the display is Remote Interface at 9 After this point the internal display does not change until an operating system is booted Any internal or external keyboard if present works just as it would if there were no remote console A remote interfac...

Page 107: ...this will appear the list of systems provided by that server as shown in the following example LAN 21 080009000008 1H SYSTEM_HPUX 2B SYSTEM_BKUP Table 4 5 LAN Boot Error Messages Displayed Message Meaning and What To Do Cable Failed MAU Failed NO HEARTBEAT SYSTEM NOT FOUND NO SERVER NOT READY READ ERROR BAD HARDWARE BAD STATE LAN interface cable not properly terminated Connect cable or terminate L...

Page 108: ... 1 Hardware Initialization Support Some hardware such as video board initialization and floating RAM positioning must be immediately initialized at power up to prevent improper operation 4 9 2 FRU Go No Go Self Test Support Because of several factors such as current hardware design limited code space and the fact that testing for unknown or unexperienced failures is virtually impossible Boot ROM s...

Page 109: ...wing situations normally exist Interrupt levels 1 through 7 Can happen at any time and are usually caused by an interface set to the indicated interrupt level If the error repeats replace the CPU board CPU traps Usually occur when the operating system is being used A CPU trap indicates something in the processor circuits didn t go right If the error repeats replace the emulator or CPU board Other ...

Page 110: ... Reset from keyboard CPU traps Reset from keyboard Keyboard timeout fast handshake Battery backup interrupt Non maskable interrupt from the backplane Spurious interrupt Vectored interrupt Format error co processor violation or unknown Co processor exception vectors 4 9 3 Failure Indications As the self test progresses the LEDs display the current state At the end of the test a power up with no err...

Page 111: ...time for the monitor or terminal to warm up and for the user to read the error messages These failures are usually non fatal so in an unattended mode the Boot ROM still boots the first operating system it finds Pushing the RETURN key terminates the beeping error code and aborts the one minute wait Push ing the RETURN key also makes the system unit go into attended mode This means that the Boot ROM...

Page 112: ...tors Upper 2 Bits Fail Indicator LED Code and Failure Description State indications only LEDs indicate power up state Required device missing or data acknowledge failure LEDs indicate device Failing device LEDs indicate device Special codes Special case highest priority codes LEDs never accessed LEDs failed to acknowledge data CPU board timer failed or missing A B C D E F G H A B C D E F G H A B C...

Page 113: ...neous highest priority Ignore Ignore Failure indicator Failure indicator Failure indicator Failure indicator Internal peripheral failure medium priority Ignore Ignore Peripheral number Peripheral number Peripheral number Peripheral number Internal interface failure lowest priority Ignore Ignore Select code Select code Select code Select code Select code A B C D E F G H A B C D E F G H A B C D E F ...

Page 114: ...hing for user supplied extension ROM Started executing extension ROM instructions Starting test vector list Resetting all interfaces I O on board test code running Internal checksum DIO II console testing Failed Boot ROM checksum Replace CPU board Preloading memory for main test Testing memory Failure not enough memory Replace slot 0A memory module Continued A B C D E F G H A B C D E F G H A B C D...

Page 115: ...t Replace CPU board Failure HP IB board Replace HP IB board Failure DMA circuit Replace CPU board Failure High resolution video board font ROM Replace video board Failure Video board bit map circuit Replace video board Failure DIO I Interface at select code identified by five lowest LEDs Replace board that has the failed interface Failure DIO II Interface at select code identified by five lowest L...

Page 116: ... identified An operating system is booting Memory amount in decimal Message appears after memory test completes Remote keyboard circuit found at the select code indicated DMA circuit identified CPU board HP HIL circuit identified Keyboard may now be used HP IB interface circuit identified HP interface circuit identified nnnnn product number type interface type SC select code Found either the DIO I...

Page 117: ...ss RESET to retry what failed previously Looking for an operating system Press ENTER to pause Looking for an operating system Press RETURN to pause System unit is in Self Test Mode Press T for extended testing Press L for continuous self tests Testing memory Wait until it finishes System unit has paused while you decide what to do Press ENTER to abort the one minute wait You may now continue Syste...

Page 118: ...t was not completed You may continue but errors may occur Press RETURN to restart power up sequence Parity error at address Replace memory module that has the indicated address Error in disk drive Troubleshoot disk drive Memory failed at address Refer to Table 4 14 and Table 4 15 and replace memory module Memory not found at indicated address Replace memory module that has the indicated address No...

Page 119: ...e 4 6 Configuration EEPROM or associated circuits may not work correctly One of these situations may exist Some default and some new configura tion values are set Some error occurred that should not affect operation Try again If error repeats replace CPU board Configuration Mode started main menu may appear but something failed Try again If problem continues replace CPU board If Configuration Mode...

Page 120: ... a non looping extended test mode There are 4 sections to this test 1 Register test If this test fails the remaining sections do not test 2 Loopback test for external devices only It checks transmit and receive func tionality both with and without DMA interaction If there is only one device attached to the interface the test can be performed with the device turned off and the cable still attached ...

Page 121: ...RETURN continues the SCSI test 3 Cable test for external devices This is used only if there are no internal de vices The purpose of this test is to check the cable for shorted or broken wires If the loopback test failed this test may also fail due to failed circuitry on the CPU board rather than due to a bad cable NOTICE This test should only be run if you have a special test connector and should ...

Page 122: ...e with the next part of the self test and booting operations 4 9 8 SCSI Interface ID Situations During the search for an operating system phase of the boot process the Boot ROM looks for an SCSI interface by checking only the least significant 3 binary bits of each interface select code set to 111 This means any interface whose select code is 7 15 23 or 31 is accessed as if they were an SCSI inter...

Page 123: ...nuous option stops the continuous self test and causes the Boot ROM to resume normal operation While in continuous mode the Boot ROM does not wait or stop for most failures It just continues looping through self test The following failures do stop self test loop ing A memory failure in the top 16 KB of memory The Boot ROM stops with the display blanked Boot ROM checksum failure The Boot ROM stops ...

Page 124: ...are enabled as a default mode If you do not want to run memory tests type the command A then select the No option from the prompt Memory tests are performed on main memory Both read write and parity tests are run You see error messages displayed if memory fails Memory error messages are inter preted differently for each type of memory test For word wide memory error messages the following messages...

Page 125: ...lock at the top of memory has addresses FFFFFFFF down through FF800000 In Model 400t dl system units Table 4 14 lists two address ranges FFFFFFFF down through FFC00000 and FFB00000 down through FF800000 The en tire address range of FFFFFFFF down through FF800000 is used for the 8 MB block consisting of two 4 MB memory modules in the pair These two address ranges do not mean that one is used for mo...

Page 126: ...ocks FFFFFFFF FFC00000 FFBFFFFF FF800000 FF7FFFFF FF400000 FF3FFFFF FF000000 FEFFFFFF FEC00000 FEBFFFFF FE800000 FE7FFFFF FE400000 FE3FFFFF FE000000 FDFFFFFF FDC00000 FDBFFFFF FD800000 FD7FFFFF FD400000 FD3FFFFF FD000000 FCFFFFFF FCC00000 FCBFFFFF FC800000 FC7FFFFF FC400000 FC3FFFFF FC000000 Module Pair Module Pair Module Pair Address LSD of F E D C 7 6 5 and 4 are on the A board Address LSD of B ...

Page 127: ...00000 FF7FFFFF FF000000 FEFFFFFF FE800000 FE7FFFFF FE000000 FDFFFFFF FD800000 FD7FFFFF FD000000 FCFFFFFF FC800000 FC7FFFFF FC000000 FBFFFFFF FB800000 FB7FFFFF FB000000 FAFFFFFF FA800000 FA7FFFFF FA000000 F9FFFFFF F9800000 F97FFFFF F9000000 F8FFFFFF F8800000 F87FFFFF F8000000 Module Pair Module Pair Address LSD of F E D C 7 6 5 and 4 are on the A board Address LSD of B A 9 8 3 2 1 and 0 are on the ...

Page 128: ... address range is shown for each pair of modules Each mod ule has its address least significant digits listed Table 4 16 Example Memory Map for 400s with 80 MB of Memory Slot Number Address Range Memory Module Module Address LSD 0A FFFFFFFF FE000000 16MB F E D C 7 6 5 4 0B 16MB B A 9 8 3 2 1 0 1A FDFFFFFF FC000000 16MB F E D C 7 6 5 4 1B 16MB B A 9 8 3 2 1 0 2A FBFFFFFF FB800000 4MB F E D C 7 6 5 ...

Page 129: ...Isolation 4 59 Set Defaults Typing the command D sets the Test Memory default value to yes for testing Run Tests When you are ready to run the self tests with the options you have selected type the command R ...

Page 130: ...ey should be performed by qualified service personnel only CAUTION Make sure that you are properly grounded before you attempt any of the following procedures Use an antistatic mat with static straps and other static prevention devices whenever possible You must remove the system unit cover to perform the following procedures Refer to Figure 4 17 which illustrates the system unit cover removal Fig...

Page 131: ...Fault Isolation 4 61 Figure 4 17 System Unit Cover Removal Model 400t and Model 400dl ...

Page 132: ...4 62 Fault Isolation Figure 4 18 Power Connections Model 400t and Model 400dl ...

Page 133: ...oltage to the display monitor outlet at the rear of the system unit The system fan which is housed in the rear of the power supply is not a sepa rate FRU If the fan doesn t operate you must replace the power supply You need a voltmeter and an ohmmeter to perform this procedure NOTICE BeforeyoureplacethepowersupplyorarelatedFRU always visually check the power supply harness and other FRU cables for...

Page 134: ...wer Supply Voltages and Tolerances Voltage V dc Tolerance at J004 Connector J004 Connector Pin No Wire Color 5 Ground 12 12 12 9 4 85 to 5 25 V dc 11 4 to 12 6 V dc 11 28 to 12 72 V dc 11 4 to 12 6 V dc 8 7 to 9 3 1 3 and 9 14 16 18 and 20 7 6 4 Differential between Pins 17 and 19 Red Black Violet Green Brown Orange Yellow Voltage V dc Tolerance at P2 and P3 Connector P2 and P3 Connector Pin No Wi...

Page 135: ...o 20 V dc replace the power on switch panel If the new switch doesn t fix the prob lem replace these FRUs in the following order Ribbon Cable connects LED board to CPU board LED Board CPU Board You can check these FRUs before you replace them by checking the pow er on switch circuits for continuity as shown in Table 4 18 Check for con tinuity with Connectors J004 and J002 unplugged Refer to Figure...

Page 136: ...eck the voltages If necessary repeat this step on a second disk drive Replace the disk drive if the voltages are now within specifications see Chapter 5 E If the problem persists replace the CPU Motherboard see Chapter 5 and repeat this procedure F After you verify that the power supply voltages are within the specified ranges power off the system and unplug the ac cord from the wall outlet Replac...

Page 137: ...inuity Between These Two Connectors FRU CPU Board Cable from LED Board to CPU Board LED Board CPU Board Cable from LED Board to CPU Board LED Board Connector Pin to Connector Pin J004 9 J001 4 J001 4 J001 4 J001 4 J002 1 ToLEDRegister On CPU Board J001 14 J001 14 J001 14 J001 14 J002 2 end of procedure ...

Page 138: ...the fan starts spinning and the system unit s green Power LED is on go to Step 3 in this procedure 3 Use the voltmeter to test the voltages at the power supply input connector to the Winchester drive Unplug P2 or Pi to check the voltages Figure 4 19 shows the connector voltages Figure 4 19 Disk Drive Power Supply Input Connector P2 or P3 4 If the voltages are not within specifications see Table 4 ...

Page 139: ...tem or if the clock has never been set Figure 4 20 Calendar Battery Message 2 Turn off the system unit and unplug its ac power cord from the wall outlet Remove the system unit cover 3 Check to see if the calendar backup battery is properly seated on the CPU board If the battery is seated properly replace it If it is not seated properly seat it cor rectly and replace the system unit cover Plug in t...

Page 140: ... before the voltages come up to their normal values NOTICE Before you replace the power supply or a related FRU always visually check the power supply harness and other FRU cables for loose broken or pinched wires If you find a defective FRU follow the removal and replace ment procedures in Chapter 5 to replace it 1 Startthisprocedurewiththesystemunitpoweroffandthepowercordunplugged Remove the top...

Page 141: ...tinue with Step 4 or Step 5 depending on the result of your voltage checks 4 If the DC output voltages are not present at the CPU board test points perform the following steps A If the system unit has an ISA backplane remove the right side and RFI covers Check the voltages on the ISA power distribution cable on the ISA backplane as listed in Figure 4 24 If the voltages are present replace the CPU ...

Page 142: ...the CPU board and recheck the voltage test points If the voltages are not present replace the motherboard 5 If the voltages are present at the CPU board or power supply test points but not within tolerance perform the following steps A Power off the system unit and unplug the ac power cord from the power supply Replace the power supply B If the problem persists reinstall the original power supply ...

Page 143: ...ectors attached to the power supply Check the voltages through the rear of the connectors Pin Voltage Pin Voltage 1 2 3 4 5 6 7 8 9 10 11 12 Ground Ground Ground Ground Ground Ground Ground Sense 5V Ground Ground Sense 13 14 15 16 17 18 19 20 21 22 23 24 5 V 5V 5V 5V 5V 5V 5V 5V 5V Iso 9V Iso 9V IntrLock Figure 4 22 Model 400s System Unit Power Supply Large Cable Connector Pin Voltage 1 2 3 4 5 6 ...

Page 144: ...und 5V Ground Figure 4 24 Model 400s System Unit ISA Backplane Power Cable Connector Figure 4 25 shows the voltages for a storage device connector on the motherboard Figure 4 25 Model 400s System Unit Motherboard Mass Storage Power Distribution Connector Procedure 4 9 Using the HP UX ce utilities 1 If not already connected connect a tape drive on the system for the System Support Tape 2 Verify tha...

Page 145: ...ly be performed with the HP UX operating system running 6 To list all tests on the tape type the following command where drive is the de vice file name of the tape drive lifls dev drive Return 7 To find out what files are available for a certain test type the following com mand lifcp r dev drive filename1 cpio ictv Return where filename1 is one of these six ce utility tests CRTADJ FLOAT ECC CS80 S...

Page 146: ...be found as follows CRTADJ refer to System Support Tape User s Guide CS 80 refer to the Series 300 Test Tools Manual NOTICE If the CS 80 test is run in single user mode the sys tem halts when the exerciser is stopped You must reboot HP UX to continue FLOAT type the following commands and a help file appears on the screen cd usr CE utilities Floatcard Return help Return SFT refer to the Series 300 ...

Page 147: ... clock has never been set Figure 4 26 Calendar Battery Message 2 Turn off the system unit and unplug its ac power cord from the wall outlet Remove the top cover from the system unit 3 Check to see if the calendar backup battery is properly seated on the CPU board If the battery is seated properly replace it If it is not seated properly seat it cor rectly and replace the system unit cover Plug in t...

Page 148: ......

Page 149: ...systems have the following maintenance strategy where the FRUs are dif ferent at each level Level 1 is the Subassembly level At this level the CE performs system repairs at the customer site with a replaceable part These parts include PCBs power supplies monitors keyboards fans cables and complete Winchester disk drives These replacement parts are stocked at each branch office Level 2 is the Major...

Page 150: ... system unit Figure 5 3 shows a rear view of the system unit Figure 5 20 at the end of Part 1 shows an exploded view of the system unit FRUs Accompanying tables list the FRU part numbers CAUTION Make sure that you are properly grounded before you at tempt any of the following procedures Use an antistatic mat with static straps and other static prevention devices when ever possible NOTICES Always r...

Page 151: ...FRU Removal and Replacement 5 3 Figure 5 1 System Unit Cover Removal Model 400t and 400dl ...

Page 152: ...5 4 FRU Removal and Replacement Figure 5 2 System Components Model 400t and 400dl ...

Page 153: ...FRU Removal and Replacement 5 5 Figure 5 3 Rear View of the Model System Unit Model 400t and 400dl ...

Page 154: ... 4 shows how to remove a memory board Push in the edges of the hold down bracket and lift off the bracket Remove the defective board To replace a memory board insert it into the slot and firmly press on the top of the board Replace the hold down bracket Figure 5 4 Memory Board Removal Model 400t and 400dl ...

Page 155: ... to remove a graphics controller board Unscrew the two screws and slide the board from the slot Refer to Appendix A to verify that the board is jum pered correctly To replace the board reverse the removal procedure Be sure that the board s connectors seat securely Figure 5 5 Graphics Controller Removal Model 400t and 400dl ...

Page 156: ...m the network board s connector plate To remove the network board push the board from the connector side to disengage the board from the CPU board connector Refer to Appendix A to verify that the replacement board is jumpered correctly To replace the board reverse the removal procedure Be sure that the board s connector plate is seated properly in the chassis Figure 5 6 Network Interface Board Rem...

Page 157: ...the graphics board Disconnect the cable from the HP IB board Remove the two mounting screws and slide the board from the slot Remove the mounting plate from the HP IB board by removing the two mounting plate screws Attach the mounting plate to the new HP IB board To replace the board reverse the removal procedure Figure 5 7 HP IB Interface Board Removal Model 400t and 400dl ...

Page 158: ... 3 Disconnect the data and power cables from the drive 4 Reverse these steps to replace the disk drive Refer to Appendix A to verify that the disk drive is jumpered correctly 5 After replacing a Domain OS drive you must run options 7 and 1 of the invol utility to add the badspot list and format the drive For more information on the invol command see the Domain Hardware Utilities Reference After re...

Page 159: ...ws then carefully lift the board to disengage the IC pins from the socket on the CPU board Slide the board through the empty graphics board slot out the top of the system unit To replace the Emulator board reverse the removal procedure When you seat the Emulator board carefully insert the Emulator board s IC pins into the socket on the CPU board Figure 5 9 Emulator Board Removal Model 400t and 400...

Page 160: ...ent remove the network interface board from the system unit 4 Disconnect all internal cables connected to the CPU board see Figure 5 10 for the locations of the cable connectors If the system has two disk drives re move one drive so that you can easily disconnect the disk drive data cables from the CPU board NOTICE When you disconnect the graphics cable from the CPU board note the connector from w...

Page 161: ...FRU Removal and Replacement 5 13 Figure 5 10 Disconnecting Internal Cables from the CPU Board Model 400t and 400dl ...

Page 162: ...d Replacement 5 Push in the handles of the CPU board support bracket and slide the CPU board assembly out the front of the unit see Figure 5 11 Figure 5 11 Sliding the CPU Board out of the System Unit Model 400t and 400dl ...

Page 163: ...e CPU board Seat the emulator board on the new CPU board by carefully inserting the IC pins of the emulator board into the socket on the CPU board Install the five screws NOTICE The EEPROM on the CPU board stores the node id used by Domain Compatible systems and the I O configuration information used by HP UX Compatible systems To retain this information when you replace a CPU board move the origi...

Page 164: ...EPROMs make sure that you orient the flat corner of the EEPROM to the flat corner of the socket and that the writing on the EEPROM faces up Figure 5 13 Removing the EEPROM Model 400t and 400dl 9 Install the new CPU board Make sure that you align the board s external con nectors with the slots in die rear of the system unit 10 Install the cables boards and memory modules that you removed earlier 11...

Page 165: ...ROM 1 Remove the graphics controller board 2 Use the EEPROM puller AMPpart no 821903 1 to remove the EEPROM from the two CPU boards 3 Align the flat corner of the new EEPROM with the flat corner of the EEPROM socket and press the EEPROM into the socket Make sure the writing on the EEPROM is facing up 4 Place the defective EEPROM into the socket of the new CPU board and return the board to HP Figur...

Page 166: ...connect the ac power and monitor power cables from the rear of the supply Disconnect the power supply cables from the CPU board and any disks that are present Remove the two screws and slide the power supply out of the front of the system unit To replace the power supply re verse the removal procedure Figure 5 15 Power Supply Removal Model 400t and 400dl ...

Page 167: ... and Replacement Model 400t and 400dl To remove the power on off switch panel disconnect connector J002 and remove the screw as shown in Figure 5 16 To replace the switch panel reverse the removal proce dure Figure 5 16 Power Switch Panel Removal Model 400t and 400dl ...

Page 168: ...nd Replacement Model 400t and 400dl Figure 5 17 shows how to remove the LED board Disconnect connectors J001 and J002 from the board then remove the screw To replace the LED board reverse the removal procedure Figure 5 17 LED Board Removal Model 400t and 400dl ...

Page 169: ...e side facing up If the system is running Domain OS run the calendar program after you replace the battery WARNINGS Danger of explosion if battery is incorrectly replaced Re place only with the same or equivalent type recommended by the equipment manufacturer Discard used battery accord ing to manufacturer s instructions Dispose of the defective battery properly The battery may explode if mistreat...

Page 170: ...ble Units FRUs for the Model 400t and 400dl work stations Figure 5 19 shows an IPB of the Model 400t and 400dl system unit Match the numbers in the IPB to the FRUs listed in Table 5 1 Refer to Table 5 2 for a list of FRUs that are external to the system unit Figure 5 20 Illustrated Parts Breakdown of the System Unit ...

Page 171: ...A1630 40009 A1630 40024 A1630 60006 0950 2055 98229 66520 98229 66521 98574 66513 1420 0314 A1630 62008 A1630 66001 A1630 66005 A1630 62022 A1630 60008 A1630 40005 A1658 66004 A1658 66005 A1421 66545 A1630 00005 A1630 456003 A1416 66571 5041 2467 62013 A1630 62014 A1630 62014 A1630 62020 A1630 62021 A1630 62018 A1630 69006 98229 69520 98229 69521 98574 69513 A1630 69001 A1630 69003 A1416 69571 Not...

Page 172: ...move any assembly you should safely shut down the system by logging out and turning OFF the system unit Remove the power cord CAUTION Make sure that you are properly grounded before you attempt any of the following procedures Use an anti static mat with static straps and other static prevention devices whenever possible NOTICE Always replace the system unit covers during troubleshoot ing sessions ...

Page 173: ...II accesso ries Refer to Figure 5 21 and follow these steps Reverse these steps to replace the board 1 Remove all cables attached to the board 2 Loosen the DIO II board attaching screws 3 Remove the DIO II board 4 Note any configuration switches or jumpers as their settings need to be used on the replacement board Figure 5 21 Model 400s DIO II Accessory Board Removal ...

Page 174: ...ll the power supply out about 4 inches 3 Disconnect the two power distribution cable connectors from the power supply A Use a flat tipped screwdriver to press the large connector s left and right tabs then pull the connector out B On the small connector press the tab in and pull the connector out 4 Remove the power supply The entire power supply including its sheet metal is replaced with a new one...

Page 175: ...e the top cover Reverse these steps to replace the top cover 1 Loosen the two screws on the back of the top cover 2 Lift up the back of the top cover then pull it back to release the two cover hooks from their catches on each side at the front of the chassis 3 Lift the top cover up and off the system unit Figure 5 23 Model 400s Top and Left Side Cover Removal ...

Page 176: ...ht side cover NOTICE Both the left and right side covers should be removed even though only one is required for access These covers are held in place by the top cover Without the top cover in place the side covers may easily fall off 2 Pull out on the cover s top and it snaps out of the chassis 3 Lower the cover to disengage its lower lip from the chassis at the bottom and remove the cover Figure ...

Page 177: ...Side Cover Removal and Replacement Model 400s Follow these steps to remove the left side cover 1 Remove the top cover before removing the left side cover NOTICE Both the left and right side covers should be removed even though only one is required for access These covers are held in place by the top cover Without the top cover in place the side covers may easily come off 2 Pull out on the cover s ...

Page 178: ...w these steps to remove the trim plates 1 Place your thumb on the top front edge of the trim plate then push the trim plate in Then push the trim plate towards the outside of the system unit to unlatch it from the chassis 2 Repeat step 1 at the bottom of the trim plate 3 Remove the trim plate by pulling it straight out from the system unit Figure 5 25 Model 400s Trim Plate Removal ...

Page 179: ...re 5 26 and follow these steps to remove the front door Reverse these steps to replace the front door 1 Remove the top cover and right trim plate 2 Open the front door 3 Lift the front door up so its top and bottom hinge plates come off their hinge pins Then pull the door out to remove it ...

Page 180: ...ly align the trim plate s catches with their notches in the chassis On the system unit s right side there are two notches on the back edge of the chassis trim On the system unit s left side there are two rectangular holes on the front left side of the chassis 3 Push the top of the trim plate back Then push it towards the inside to hook the top trim plate catch in its chassis notch or hole 4 Repeat...

Page 181: ...FRU Removal and Replacement 5 33 Figure 5 26 Model 400s Front Door Removal ...

Page 182: ...ide 3 Insert a small flat tipped screwdriver into the bezel s right top catch access hole and push the catch up then pull out on the bezel s right top side 4 Insert a small flat tipped screwdriver into the bezel s right bottom catch access hole and push the catch down then pull out on the bezel s right bottom side 5 Grasping the bezel s top right and left sides pull the bezel off the system unit T...

Page 183: ...FRU Removal and Replacement 5 35 Figure 5 27 Model 400s Bezel Removal ...

Page 184: ...to the chassis or device 5 Disconnect the SCSI and power cable connectors from the back of the device 6 Remove the bracket holding the device by sliding it out of the front of the unit 7 Remove the screws holding the device in its mounting bracket and remove the device These screws are different from the other screws in the system unit keep them separate For full height devices one screw attaches ...

Page 185: ...FRU Removal and Replacement 5 37 Figure 5 28 Model 400s Mass Storage Device Removal Figure 5 29 Model 400s Mass Storage Device Bracket Removal ...

Page 186: ...ing Remove the insulator 4 Lift the controller board from right to left with the drive front facing you and disconnect the three ribbon cables from the board 5 Remove the controller board 5 5 11 Internal SCSI Cable Removal and Replacement Model 400s Refer to Figure 5 30 and follow these steps to remove the internal SCSI cable 1 Remove the top and side covers right trim plate and mass storage cover...

Page 187: ...minator in place 2 Fit the SCSI cable to the top cable clip with the two top connectors above the top cable clip 3 Fit the SCSI cable to the bottom cable clip with one cable connector between the top and bottom cable clip 4 Connect the SCSI cable s end connector to the motherboard SCSI cable con nector 5 Connect the SCSI cable connector to the mass storage devices 6 Replace the mass storage device...

Page 188: ...and side covers right trim plate and mass storage covers Slide out all internal mass storage devices about two inches 2 Disconnect the mass storage power distribution cable from the back of the motherboard and all mass storage devices 3 Remove the power cable from the cable clips at the back of the mass storage device cage Then remove the cable from the unit Figure 5 31 Model 400s Mass Storage Pow...

Page 189: ...wer cable to the top cable clip with the two top connectors above the top cable clip 3 Fit the power cable to the bottom cable clip with one cable connector between the top and bottom cable clip 4 Connect the power cable s end connector to the motherboard s back power cable connector 5 Connect the power cable to the mass storage devices 6 Replace the mass storage devices and all other assemblies t...

Page 190: ...eps to replace the RFI cover 1 Remove the top and right side cover 2 On the top inside edge of the RFI cover press down on the three tabs that fit into the center wall and pull the cover out 3 Lift the RFI cover up so its three bottom tabs clear their slots in the bottom outside edge of the ISA card cage and remove the RFI cover Figure 5 32 Model 400s RFI Cover Removal ...

Page 191: ...se these steps to replace an ISA board 1 Remove the cables connected to the ISA board the top and right side covers and the RFI cover 2 Remove the ISA board clamp 3 Remove the screw holding the ISA board plate to the card cage 4 Lift the ISA board up and out of its backplane connector 5 Remove the ISA board from the card cage Figure 5 33 Model 400s ISA Board Removal ...

Page 192: ... these steps to replace the backplane 1 Remove the top side and RFI covers and all ISA boards 2 Disconnect the power and card cage fan cables from the ISA backplane 3 Remove the screw holding the backplane to the chassis 4 Slide the backplane to the right disconnecting it from the converter board until it can be lifted clear of its mounting pins 5 Remove the backplane ...

Page 193: ...FRU Removal and Replacement 5 45 Figure 5 34 Model 400s ISA Backplane Removal ...

Page 194: ...ge and the ISA power cable connected to the mother board To replace the ISA card cage follow these steps CAUTION While replacing the ISA card cage verify that the power switch and LED board cables are clear of their notch in the ISA card cage 1 Ensure that the RFI clips are correctly installed on the ISA card cage bottom plate 2 Position the ISA card cage against the center wall placing the ISA po...

Page 195: ...FRU Removal and Replacement 5 47 Figure 5 35 Model 400s ISA Card Cage Removal ...

Page 196: ...se steps to remove the card cage fan 1 Remove the top and right side covers RFI cover all ISA cards ISA backplane and the ISA card cage 2 Pry each tab out with a flat tipped screwdriver Unhook the fan at each corner 3 Remove the fan routing its wires through the hole below the fan Figure 5 36 Model 400s Card Cage Fan Removal ...

Page 197: ...follow these steps 1 Route the fan wires through the card cage s hole below the fan hole 2 Position the fan in place with its flow direction arrow pointing back towards the inside of the card cage 3 Snap the fan into place 4 Replace the assemblies removed earlier ...

Page 198: ...HP IB plate 2 Disconnect the ribbon cable from the HP IB interface board 3 Remove the HP IB interface connector screws from the HP IB plate 4 Remove the HP IB interface board from the HP IB plate To replace the HP IB board reverse the removal procedures NOTICE When replacing the HP IB interface board you must insert it into the HP IB plate with its component side towards the right side of the syst...

Page 199: ...d Reverse these steps to replace the converter board 1 Remove the top side and RFI covers all ISA boards and the ISA backplane 2 Remove the seven screws from the HP IB or blank plate 3 If installed remove the ribbon cable from the HP IB board then set the HP IB plate aside 4 Remove the converter board by pulling it out of the motherboard ...

Page 200: ... to the chassis 5 Insert a flat tipped screwdriver through the rear one of the two large chassis holes on the left side near the LAN connectors and put its tip in the CPU board s removal slot The front hole is used to lever the CPU board into its connectors 6 Pry the CPU board free from its motherboard connectors then remove the flat tipped screwdriver NOTICE Apply mild pressure to unseat the CPU ...

Page 201: ...in a replacement EEPROM by using the EEPROM that ships on a new CPU board You cannot order new EEPROMs as separate FRUs Memory modules Emulator board HP IB board and ribbon cable Real Time clock battery The LAN jumper You can also change its position to enable the other LAN connector LAN selection is accomplished by setting the LAN jumper as shown in Appendix A ...

Page 202: ...o remove and replace the EEPROM refer to Figure 5 39 and follow these steps 1 Find the EEPROM U54 on the CPU board 2 Using an EEPROM puller part no 821903 1 remove the EEPROM noting its orientation in its socket 3 If you are replacing the CPU board remove the EEPROM from the new CPU board Otherwise skip this step 4 If you are replacing the CPU board install the EEPROM from the failed CPU board in ...

Page 203: ...LAN interface information in the power up display D Reconfigure the system software to match the new LAN ID number 8 If you are using the Domain operating system and have replaced the EEPROM with a new one follow these procedures A Power up the workstation and enter Configuration Control Mode B Enter the Boot Mode Selection Mode and set the Boot Mode to Domain compatible The system unit should now...

Page 204: ...e the memory modules in the same slots on the new CPU board as they were on the old CPU board Memory modules have several restrictions regarding their installation You may replace one module of a pair but modules of the same size must be installed in pairs There can be no empty slots between modules or module pairs The largest size pair must be in slots 0A and 0B Each higher numbered slot pairs mu...

Page 205: ...FRU Removal and Replacement 5 57 Figure 5 40 Model 400s Memory Board Removal ...

Page 206: ...ulator board Reverse these steps to replace the emulator board 1 Remove the five screws from the back of the CPU board that hold the emulator board in place 2 Hold the emulator board at its front edge next to the CPU board edge connectors close to U35 3 Carefully lift the emulator board from the CPU board Figure 5 41 Model 400s Emulator Board Screws ...

Page 207: ... 3 Lift the tab holding the battery in place and the battery should drop out To replace the battery lift the tab and insert the battery with its plus side marked with a toward the tab WARNING Lithium batteries may explode if mistreated Do not put lithium batteries in fires try to recharge or disassemble them Replace battery with only a Matsushita Electric BR 2325 3 volt lithium battery part number...

Page 208: ...ower distribution and main fan cables are wedged under the chassis cable tab above the front main fan 2 Place the center wall on the chassis ensuring the ISA power distribution cable is routed through its center wall slot NOTICE Ensure the motherboard tabs fit into their slots on the center wall 3 A tab at the chassis upper rear corner should fit into a hole on the center wall to hold the center w...

Page 209: ...FRU Removal and Replacement 5 61 Figure 5 43 Model 400s ISA Center Wall Removal ...

Page 210: ...rews from the right side of the chassis Pull the mass storage device out four inches 5 Disconnect the mass storage power distribution and SCSI cable from the back side of the motherboard 6 Remove the four screws holding the motherboard to the chassis 7 Remove the motherboard by sliding it to the right so that its mounting pins clear their holes Then pull it out Follow these steps to replace the st...

Page 211: ...FRU Removal and Replacement 5 63 Figure 5 44 Model 400s Standard ISA Motherboard Removal ...

Page 212: ...holding the DIO II card cage to the center wall The DIO II card cage is then disconnected from the center wall 6 Remove the DIO II card cage To replace the 3 slot DIO II card cage follow these steps 1 Position the DIO II card cage against the center wall Make sure that the mother board tabs fit into their notches in the card cage 2 Start one screw into the DIO II card cage top edge to hold the car...

Page 213: ...FRU Removal and Replacement 5 65 Figure 5 45 Model 400s 3 Slot DIO II Card Cage Removal ...

Page 214: ...the main power distribution and main fan cables are wedged under the chassis cable tab above the front main fan Ensure that the cables are not pinched anywhere 2 Place the center wall on the chassis ensuring that the motherboard s tabs fit into their slots on the center wall The back lower edge must fit inside the chassis 3 Start one screw in a left top center hole in the chassis to the DIO II cen...

Page 215: ...FRU Removal and Replacement 5 67 Figure 5 46 Model 400s DIO II Center Wall Removal ...

Page 216: ...at hold the motherboard to the chassis and to the 3 slot DIO II card cage front wall 7 Remove the motherboard by sliding it to the right so that its mounting pins clear their holes Then pull it out Follow these steps to replace the DIO II motherboard 1 Position the motherboard by placing it on its mounting pins Then slide it to the left so that its tabs fit into their slots in the chassis Ensure t...

Page 217: ...FRU Removal and Replacement 5 69 Figure 5 47 Model 400s DIO II Motherboard Removal ...

Page 218: ...overs CPU board with plate RFI cover all ISA and DIO cards RFI cover ISA or DIO II card cage and center wall 2 Disconnect the fan cable from the motherboard 3 Cut and remove the tiewraps from around the main power distribution cable and fan cables 4 Remove the fan bracket screw and remove the fan bracket 5 Slide the fan out from its clips Figure 5 48 Model 400s Main Fans Removal ...

Page 219: ...le to be next to the chassis wall and between both fans slide the fan into its clips 2 Replace the fan bracket and its screw 3 Reconnect the fan cable to its motherboard connector 4 Install new tiewraps around the fan and main power distribution cables Then ensure that those cables are routed behind the fans and under the cable tab 5 Replace the assemblies removed earlier ...

Page 220: ...teps to replace the LED board 1 Remove the top and side covers 2 Insert a flat tipped screwdriver behind the LED ribbon cable protector Pry its dips from the chassis Remove the ribbon cable shield 3 Remove the two screws that hold the LED board and its RFI cover to the chassis Remove the LED board and its RFI cover 4 Disconnect the LED ribbon cable from the LED board ...

Page 221: ...FRU Removal and Replacement 5 73 Figure 5 49 Model 400s LED Board Removal ...

Page 222: ...LED ribbon cable clear of its slot in the card cage next to the chassis Follow these steps to replace the LED ribbon cable 1 A replacement ribbon cable has one end further from the fold than the other Connect the short end to the LED board 2 Replace the LED cable protector 3 Route the long end of the replacement ribbon cable through the slot in the card cage next to the chassis 4 Connect the ribbo...

Page 223: ...he LED ribbon cable 4 On the back of the power switch pinch the two catches together Pull the power switch back out of the front plate and remove it guiding its cable around the sheet metal To replace die main power switch follow these steps 1 Insert the power switch into its slot in the front wall and snap the tabs into place 2 Route the main power switch cable to the motherboard through the notc...

Page 224: ...w these steps to replace the main power distribution cable 1 Install the main power distribution cable by passing its two connector end through the rear chassis hold from front to back Then fit it into the notch above the power supply compartment 2 Connect the main power distribution cable to its motherboard connector 3 Slidethepowersupplypartwayintoitscompartment Connectthetwomainpow er distribut...

Page 225: ...moval and Replacement 5 77 5 6 Model 400s Illustrated Parts Breakdown IPB This section presents information for the Model 400s Main system unit DIO II card cage ISA card cage Mass storage Motherboard Chassis ...

Page 226: ...Replacement Figure 5 50 shows the parts of the Model 400s main system unit Match the numbers in this figure to Table 5 3 for descriptions and part numbers Figure 5 50 Model 400s Main System Unit Illustrated Parts Breakdown ...

Page 227: ...660 MB Drive Controller Board Standard ISA Motherboard DIO II Motherboard Main Fan Parts Not Shown LED Ribbon Cable Power Switch Cable Assy HP IB Ribbon Cable Mass Stwg Pwr Dist Cbl SCSI Interface Cable 0950 2107 A1421 66510 98229 66521 98229 66524 98574 66513 A1421 66545 1420 0314 A1416 66580 A1630 60003 98702 66501 98735 66580 98735 66581 A1421 66540 1150 1832 011778 001 C2212 60061 C2213 60061 ...

Page 228: ...e Media Bkt Assy Fan Bracket LED Cable Protector LED RFI Shield LED Cable Cover Front Trim Right Left Front Door Parts Not Shown Top Cover Left Side Cover Right Side Cover Bezel Rear Trim Disk Bracket Filler Plate DIO II Bd Card Guide Memory Bd Card Guide Mass Stwg Cable Clamp 5001 9096 5001 9096 5001 9072 5001 9071 5001 7423 5001 9087 5001 9095 5001 9092 5001 7431 5001 7428 5001 7432 5041 2471 A1...

Page 229: ...ber Exchange Part Number 1 2 3 4 DIO Board 16 Bit Parallel HP IB Interface High Speed HP IB Datacomm 4 Port MUX EtherNET 802 3 LAN Serial RS 232 VMEbus SDLC Interface SCSI Interface 8 Port MUX DIO II Cardcage DIO II Center Wall DIO II to DIO I Converter 98622 66504 98624 66501 98625 66502 98628 66504 98642 66501 98643 66501 98644 66502 98646 66502 98649 66502 98658 66501 98638 60001 5001 9075 5001...

Page 230: ...nd Replacement Figure 5 52 shows the parts of the Model 400s ISA card cage Match the numbers in this figure to Table 5 5 for descriptions and part numbers Figure 5 52 Model 400s ISA Card Cage Illustrated Parts Breakdown ...

Page 231: ...ntronics Interface X 25 Serial Interface Domain DOS Co proc Serial Parallel ISA Backplane Cardcage Fan ISA Card Guide Fan Clip RFI Cover ISA Cardcage ISA Center Wall DIO II to ISA Converter Bd Part not Shown ISA Pwr Dist Cable 015892 SK015290 KTT ATBUS CENT A ADD SCAT A ADD PCC A ADD SPE A1421 66507 5180 5247 5041 2469 5001 9092 5001 9074 5001 9067 A1421 66512 A1421 61607 ...

Page 232: ...d Disk Drive HP 660 MB Hard Disk Drive Mic 660 MB Hard Disk Drive HP 330 660 MB Drive Ctlr Bd DAT Tape Drive Hard Disk Bracket Assembly Removable Media Bracket Assy Filler Plate Disk Cover Internal SCSI Cable Mass Storage Power Dist Cable LED Ribbon Cable Power Switch Cable Assy A1421 66501 A1421 66504 5001 7423 1150 1832 011778 001 C2212 60061 C2213 60061 017163 001 97548 61107 C1502A 5001 9087 5...

Page 233: ... 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Top Cover Right Side Cover Left Side Cover Rear Trim Handle Bezel Right Left Front Trim Front Door Assembly LED RFI Shield LED Cable Protector LED Cable Clamp Fan Bracket Main Power Distribution Cable HP IB Plate Blank Plate Chassis 5001 9066 5001 9070 5001 9069 5041 2470 5041 2435 5041 2471 A1421 87908 5001 7428 5001 7431 5001 7432 5001 9091 A1421 61601 5001 907...

Page 234: ......

Page 235: ...s This section defines the jumper and switch configurations for system boards Refer to the appropriate figure for configuration information for the board that you re replacing NOTICE If you are replacing an accessory board that has configuration switches and is not listed in this appendix set the switches on the replacement board the same as the original board Refer to the accessory board s instal...

Page 236: ...A 2 FRU Configurations Figure A 1 CPU Board Configurations ...

Page 237: ...r Figure A 2 shows the default switch configuration for the VRX Color Graphics Con troller board For alternative switch configurations refer to the HP A1416A Graphics Interface Familiarization Guide Figure A 2 HP A1416A Color Graphics Controller Switch Configuration ...

Page 238: ...shows the jumper locations for the VRX Monochrome Graphics Controller board Table A 1 lists the jumper configurations Figure A 3 VRX Monochrome Graphics Controller Jumpers Table A 1 Jumper Configurations for VRX Monochrome Controller JP2 JP1 Address Hex 1000000 1400000 1800000 1C00000 ...

Page 239: ...ernate jumper configuration Use the standard jumper configuration for the first or only 802 5 controller in the system Use the alternate jumper configuration for a second 802 5 controller or for the only 802 5 controller if another option board in the system uses the standard configuration parameters Figure A 4 Standard 802 5 Network Controller AT Jumper Configuration ...

Page 240: ...A 6 FRU Configurations Figure A 5 Alternate 802 5 Network Controller AT Jumper Configuration ...

Page 241: ...gurations A 7 A 1 5 Apollo Token Ring Network Controller AT Figure A 6 shows the jumper settings for the Apollo Token Ring Network Controller AT Figure A 6 Apollo Token Ring Network Controller AT Jumper Settings ...

Page 242: ...ows the standard jumper configurations for the PC Coprocessor board Figure A 8 shows the alternate jumper configurations for the PC Coprocessor board Figure A 7 PC Coprocessor Standard Jumper Configurations Figure A 8 PC Coprocessor Alternate Jumper Configurations ...

Page 243: ...configuration functions NOTICE Series 400 system units do not use SCSI bus terminators on internal storage drives No third party internal storage de vices can use terminators because other storage drives may not function properly Refer to the third party mass storage device s documentation for instructions A 2 1 200 MB Winchester Disk Drive Figure A 9 shows the jumper configurations for the 200 MB...

Page 244: ...1 Drive initiation of SDTR message 0 Inhibit initiation of SDTR message 1 Enable initiation at power on and RESET Parity 0 Parity checking is disabled 1 Parity checking is enabled Auto spin up 0 Drive does not spin up until host sends start unit command 1 Drive automatically spins up at power on SCSI address 7 is LSB 5 6 7 Address 5 6 7 Address 0 0 0 0 0 1 0 1 0 0 1 1 0 1 2 3 1 0 0 1 0 1 1 1 0 1 1...

Page 245: ...urce 1 0 0 0 1 1 0 0 1 Drive supplies power Host supplies power Drive supplies power to drive and SCSI bus termination Parity 1 Parity checking is disabled 0 Parity checking is enabled Auto spin up 1 Drive does not spin up until host sends start unit command 0 Drive automatically spins up at power on SCSI address 0 is LSB 2 1 0 Address 2 1 0 Address 0 0 0 0 0 1 0 1 0 0 1 1 0 1 2 3 1 0 0 1 0 1 1 1 ...

Page 246: ...red 0 Open A P D SCSI ID address 0 is LSB 1 2 4 Address 1 2 4 Address 0 0 0 0 0 1 0 1 0 0 1 1 0 1 2 3 1 0 0 1 0 1 1 1 0 1 1 1 4 5 6 7 Parity 0 Parity checking is disabled 1 Parity checking is enabled Disconnect Size 0 is LSB 1 2 4 Byte Size 1 2 4 Byte Size 0 0 0 0 0 1 0 1 0 0 1 1 2K 4K 6K 8K 1 0 0 1 0 1 1 1 0 1 1 1 12K 16K 24K 32K Figure A 12 HP A1449A 0 25 in QIC 60 MB Tape Drive ...

Page 247: ...and Settings 1 2 4 PRTY ARBT TEST SCSI ID address 1 is LSB 1 2 4 Address 1 2 4 Address 0 0 0 0 0 1 0 1 0 0 1 1 0 1 2 3 1 0 0 1 0 1 1 1 0 1 1 1 4 5 6 7 Parity 0 Parity checking is disabled 1 Parity checking is enabled Arbitration 0 Arbitration is disabled 1 Arbitration is enabled Test For repair facility use only Figure A 13 HP A1448A CD ROM Disk Drive ...

Page 248: ...isabled 1 Parity checking is enabled Power Supply Voltage to the On Board Terminating Resistors 0 Terminator Power Enabled 1 Terminator Power Disabled SCSI address 0 is LSB 2 1 0 Address 2 1 0 Address 0 0 0 0 0 1 0 1 0 0 1 1 0 1 2 3 1 0 0 1 0 1 1 1 0 1 1 1 4 5 6 7 Vertical Mounting Eject Button Down Horizontal Mounting Tape Slot Up Vertical Mounting Eject Button Up Figure A 14 HP A1447A DAT Tape D...

Page 249: ...n Compatible Mode Perform the following procedure to configure the system to run in Domain Compatible mode You must perform Procedure B 1 if any of the following occur You have replaced the system EEPROM with a new EEPROM that is config ured in HP UX Compatible mode or Undefined mode The EEPROM mode configuration is corrupted possibly because of electro static discharge when handled without using ...

Page 250: ...0 Rev n dd mm yy md nn rev n nn yyyy mm dd hh mm ss MC680n0 Processor Configuration Mode RESET to Power up Configuration Control Keys Mode Name Class 1 I O Configuration 2 Boot Mode Selection R use Remote terminal L use Local display A Abort without changes Type key Return B If you see the following display the HP UX Compatible mode display go to Step 3 Copyright 1990 Hewlett Packard Company All R...

Page 251: ...the following at the prompt Type key Return 1 RETURN 7 Permanently select Domain Compatible mode by typing the following com mand at the prompt Type T or P Return p RETURN If you select permanent the system retains its Domain Compatible mode con figuration if turned off 8 Store the Domain Compatible mode selection in the EEPROM by typing e RETURN RETURN If in SERVICE mode the system displays the M...

Page 252: ...From the MD prompt type pnet x RETURN where x corresponds to one of the following values e for 802 3 network r for Apollo Token Ring network t0 for 802 5 network with network controller 0 t1 for 802 5 network with network controller 1 If the system uses two 802 5 network controller boards you must specify con troller 0 t0 or controller 1 t1 as the primary controller The default is 0 4 Use the pnet...

Page 253: ... operating system can be booted If there is a mismatch you have to enter Configuration Control Mode and change the EEPROM configuration Table C 1 lists typical matched configurations Table C 2 lists typical mismatched configurations and what to do to enable the system console and boot the requested operating system Table C 1 System Unit System Console and Operating System Matched Situations at Pow...

Page 254: ...reen Remote at 9 Blank Screen Blank Screen Blank Screen Configure internal I O if needed Change Boot Mode to Op Sys installed Configure internal I O if needed Change Boot Mode to HP UX Change RS 232 to Local Configure internal I O if needed Change Boot Mode to Op Sys installed Change RS 232 to Local Configure internal I O if needed Change Boot Mode to HP UX Select operating system if needed Change...

Page 255: ...unit by referring to the Using Configuration Control Mode section later in this appendix Configuration Control Keys Control Class 1 I O Configuration 2 Boot Mode Selection A Abort without changes Type key RETURN The following message appears Remote Console at 9 After beeps type L RETURN to use the local monitor as console If the above message appears the system unit s internal RS 232 interface or ...

Page 256: ...tem unit C 2 2 Terminal as System Console When your workstation uses a terminal as the system console and has no pre installed operating systems one of the following situations happen at the first power up The following Configuration Mode Main menu appears on the right hand side You may continue configuring your system unit by referring to the Using Con figuration Control Mode later in this append...

Page 257: ...ce Normal Switch and Reset Button 2 Press the RESET button to reset the system unit 3 To temporarily change the internal RS 232 interface to Remote so that the ter minal may be used as the system console listen for two beeps about 5 seconds after the message appears Then type the following command R Return The system unit resets and the Configuration Control Main menu appears in the termi nal disp...

Page 258: ...lay appears on the monitor Type the following command and the system unit resets R Return The following Configuration Control Mode Main menu then appears You may continue configuring your system unit by referring to the Using Configuration Control Mode section later in this appendix Copyright 1990 Hewlett Packard Company All Rights Reserved Series 400 Rev 1 5 Jun 90 md 12 rev 0 20 1990 03 12 16 31...

Page 259: ...patible operating systems New system units display their Boot Mode selection in following two ways A special LED pattern appears a few seconds after the system unit gets pow ered up The pattern appears after the power up display has completed on the left side of the screen and before the Configuration Control menu appears The power up display has a Configuration Control menu that may be accessed t...

Page 260: ...r Configuration EEPROM HP HIL Keyboard RAM 4194080 Bytes Configuration Mode RESET to Power up Configuration Control Keys Control Class 1 I O Configuration 2 Boot Mode Selection A Abort without changes Type key Return The next to the last line at the bottom identifies the system unit as being in the Configu ration Mode Note the line on the left side that reads Configuration EEPROM If the configurat...

Page 261: ... one of the compatibility modes Letter keys are the control keys for the menu A C is used to clear any mode s temporary status that s in dicated by a T in the status column The E key is used to execute the menu and store the status information in the EEPROM If the status is correct you may type the A key to abort the Boot Mode Selection without changing it Below the menu is the following prompt li...

Page 262: ...ly select the boot mode If you execute this selection and then cycle power or reset the system unit the system uses the permanently selected boot mode Type P Return to permanently select the boot mode selection If you execute this selection and then cycle power or reset the system unit the system uses the perma nently selected boot mode If you type P the following menu appears Boot Mode Selection ...

Page 263: ... For system units that have pre installed operating systems this is the correct procedure Type any key to stop the Boot ROM functions and place the system unit in an attended mode While in attended mode you may do one of the following as soon as the keyboard line appears in the power up display Type any key to stop the Boot ROM process and put the system unit in at tended mode From attended mode y...

Page 264: ...umentation for instructions C 4 1 Entering I O Configuration Mode The following menu appears when you first enter the Configuration Mode Configuration Control Keys Control Class 1 I O Configuration 2 Auto System Selection 3 Boot Mode Selection A Abort without changes Type key RETURN Type the following command 1 Return and a menu similar to the following appears Configurable Interfaces Keys Interfa...

Page 265: ...t values Some default and some changed values have been set All the configurations have been set to their changed values Some minor error occurred that shouldn t affect the system unit s configuration When an error message appears check your system unit s Boot Mode Selection and I O Configuration Mode selections and verify that they are correct for your application If an error message like the fol...

Page 266: ...igure system unit with fewer interfaces Only the interfaces select codes are listed in the main Configurable Interfaces menu HP IB is fixed at select code 7 and cannot be changed Most built in interfaces have several configurable features Interface default values are listed in the following table Table C 5 Built in Interface Default Configurations Interface Configuration Function Default Options O...

Page 267: ...ct code The standard speed HP IB in terface is fixed at select code 7 When you get the power up display in HP UX compatible mode or enter I O Configuration Mode default select codes are listed If you change an interface select code and save the new configura tion the new select code is listed the next time you turn on your system unit You may also revert back to the default settings C 4 2 Example ...

Page 268: ...ts select code type the following command 1 Return The following output appears 1 Select Code 9 used select codes are 12 14 15 21 Type 0 31 except used RETURN Note the select code function line appears like it does in the main part of the RS 232 menu The current select code appears at the right Select codes already used in your system unit are not available and are listed in the third line At the ...

Page 269: ...test without saving any new interface configurations you may have made The interfaces existing configu rations are used If the Boot ROM or EEPROM has problems after you enter N or D the mode lines display one of the error messages shown in the following table Table C 6 Configuration Mode Exit Error Messages Command Error Message Meaning and What To Do N or D N or D N or D A Too many configuration ...

Page 270: ...e the built in HP IB interface s system controller function System controller is the only function this interface has A Y in the value column means that the built in HP IB is the system controller To change your built in HP IB interface s system controller function to no 1 Type the command 1 and the HP IB menu prompt changes to 1 Sys Controller Y Type Y or N RETURN 2 Type the command N and the HP ...

Page 271: ...used select codes are 12 14 15 21 Type 0 31 except used RETURN The select code function line appears as it does in the main part of the RS 232 menu The current select code appears at the right Select codes already used in your system unit are not available and are listed in the third line The prompt line is at the bottom you ll see the prompt line Enter any select code be tween 0 and 31 except for...

Page 272: ... to 3 Remote Local L Type L or R RETURN Change the mode by typing the command L local if a keyboard and monitor will be used as the system console or R remote if a terminal will be used as the system con sole The RS 232 menu changes and the new mode is identified in the Value column RS 232 Modem Enable Mode Typing the command 4 from the RS 232 menu changes the prompt line to 4 Modem Enable Y Type ...

Page 273: ...14 used select codes are 9 12 15 21 Type 0 31 except used RETURN Note the select codes already used Type the command for the select code you want to use After you have entered the select code the SCSI menu changes to show your change SCSI Interrupt Level From the SCSI menu type the command 2 and the prompt line changes to 2 Interrupt Level 3 Type 3 4 5 or 6 RETURN Type the command for the interrup...

Page 274: ...all SCSI features have been changed as you need them from the SCSI menu type the command X to return to the Interface menu C 4 7 Local Area Network Configuration Enter the LAN menu by typing the command key for the LAN and this menu appears LAN Key Feature Value 1 Select Code 21 2 Interrupt Level 5 X to eXit menu Type key RETURN LAN Select Code From the LAN menu type the command 1 to change the pr...

Page 275: ...erface The following menu appears HP PARALLEL Key Feature Value 1 Select Code 23 2 Interrupt Level 3 X to exit menu Type key RETURN HP Parallel Select Code Type the command 1 to get this select code prompt 1 Select Code 23 used select codes are 10 14 15 21 Type 0 31 except used RETURN You can type the command for any unused select code The menu changes to reflect the new select code HP Parallel In...

Page 276: ...an operating system log out and stop any user pro cesses Otherwise go on to step 2 2 Reset the system unit and get the power up display then when the keyboard is identified type the command C Return 3 From the Configuration Control menu type this command to get the I O Con figuration menu 1 Return 4 From the I O Configuration menu type the number command for the interface you want to configure key...

Page 277: ...lection for HP UX and I O Con figuration you should use the Auto System Select Mode to determine what operating system is automatically booted when you turn on your workstation From the following Configuration Control menu Configuration Control Keys Mode Class 1 I O Configuration 2 Auto System Selection 3 Boot Mode Selection A Abort without changes Type key RETURN type the command 2 Return causes ...

Page 278: ...ess 0 unit 0 3 SRM interface at select code 21 4 LAN at select code 21 5 SCSI interface select codes 0 31 bus address 4 0 all units 6 HP IB interface select code 0 31 bus address 1 7 all units 7 SRM interface at select code other than 21 8 LAN at select code other than 21 The boot priority list is designed to make it easy to change and control which operating system is booted in the Search for Sys...

Page 279: ... searches for an operating system When you execute this menu the system unit resets and the following power up dis play appears Copyright 1990 HP7958 123 4 Hewlett Packard Company 1H SYSTEM_HPUX All Rights Reserved Series 400 Rev 1 5 Jun 90 HP7959 567 8 md 12 rev 0 20 1990 03 12 16 31 17 2H SYSTEM_HPUX Bit Mapped Video MC68030 Processor MC68882 Coprocessor Configuration EEPROM HP HIL Keyboard HP I...

Page 280: ... 90 RODIME 1404 0 md 12 rev 0 20 1990 03 12 16 31 17 2H SYSTEM_HPUX Bit Mapped Video MC68030 Processor MC68882 Coprocessor Configuration EEPROM HP HIL Keyboard HP IB DMA C0 RAM 4194080 Bytes HP98644 RS 232 at 9 HP98265 SCSI S 32 at 14 HP98643 LAN at 21 THIN 080009AAAAAA HP PARALLEL at 12 System Search Mode will store selection RESET to Power up SPACE clears input Select System Type RETURN For exam...

Page 281: ...nother mass storage device you must reconfigure the EEPROM To reconfigure for the new path to the operating system you want enter Configuration Control Mode select Auto System Select and reselect the operating system The selected and stored operating system automatically boot each time the system unit is turned on You may prevent that by entering Attended Mode when you turn the sys tem unit on At ...

Page 282: ......

Page 283: ...s a specially modified IXO model TC301 This device is battery powered with a 1 line 16 character LCD display The terminal communicates at 300 baud only and is configured as a DCE device It plugs into the system and its attached cable needs no adapters Use Procedure D 1 to activate the field terminal Procedure D 1 Activating a Field Terminal 1 Press the ON OFF key The terminal displays the message ...

Page 284: ...e1 default RETURN The workstation replies with the message emt EMT remote node F1 to exit To enter Terminal mode Remote mode press the F1 function key You are now ready to connect a cable from SIO line 1 on the EMT system to an SIO port on the system that you need to access You need to use an RS 232 extension cable because the system s SIO output is configured as a DTE Use a null modem between the...

Page 285: ...A 7 operation 3 16 assemblies Model 400t and 400dl system unit 5 4 AT compatible accessory boards Model 400s 1 13 AT compatible backplane board Model 400s 3 17 ATR theory of operation 3 16 Audio output generator 3 12 auto system select mode HP UX C 25 to C 30 scan for system C 26 selected system C 27 store selected system C 28 to C 30 B bezel Model 400s 5 34 block diagrams DIO II system operation ...

Page 286: ... disk drives A 11 660 MB Winchester disk drives A 10 802 5 network controller AT A 5 to A 6 Apollo Token Ring Network Controller AT A 7 CD ROM disk drive A 13 circuit boards A 1 to A 8 CPU boards jumpers and switches A 1 to A 2 DAT tape drive A 14 HP A1096A A 4 HP A1416A A 3 HP A1442A Winchester disk drives A 10 HP A1443A Winchester disk drives A 10 HP A1447A DAT tape drive A 14 HP A1444A Micropol...

Page 287: ...rboard removal and replacement 5 68 ISA converter board 3 17 disked systems Domain diagnostics 4 15 diskless node partnering problems Domain 4 10 diskless systems Domain diagnostics 4 15 display operation 3 19 options on Model 400t 1 2 1 9 problems Domain 4 9 types HP UX 4 32 DMA DIO controller 3 15 Domain systems accessing diagnostics 4 15 compatible mode selecting B 1 to B 3 connecting terminals...

Page 288: ...54 extended test section of self test diagnostics Do main 4 18 F failure self test diagnostics codes general description 4 41 to 4 43 indications 4 40 to 4 41 fans main Model 400s 5 70 field terminal Domain activating D 1 to D 2 using D 1 to D 2 Floating point coprocessor 3 10 Flowcharts troubleshooting Domain OS systems 4 3 to 4 13 HP UX systems 4 28 to 4 31 FPU 3 10 code LED display self test di...

Page 289: ...O configuration mode C 12 to C 15 extended SCSI test messages 4 51 4 52 extended self tests 4 54 FRU self test support 4 38 to 4 40 hardware initialization support 4 38 HP parallel interface configuration C 23 C 24 HP IB configuration C 18 human interfaces 4 34 to 4 36 I O configuration mode C 12 to C 25 input devices 4 35 to 4 36 interface menu C 15 to C 17 keyboard as system console setting with...

Page 290: ...Model 400s illustrated parts breakdown 5 82 removal and replacement 5 46 center wall Model 400s 5 60 tests self test diagnostics Domain 4 18 J jumpers 802 5 Network Controller AT A 5 to A 6 Apollo Token Ring Network Controller AT A 7 configurations A 1 to A 15 K keyboard 1 5 Model 400s 1 14 Model 400t and Model 400dl 1 6 L LAN boot error messages HP UX 4 37 booting over HP UX 4 36 4 37 configurati...

Page 291: ...EPROM 5 17 Emulator board 5 11 graphics controller board 5 7 LED board 5 20 memory module 5 6 network interface board 5 8 5 9 power supply 5 18 power switch panel 5 19 Winchester disk 5 10 Reset switch 2 1 Service LED 2 1 SERVICE Mode switch 2 1 switch circuit FRU pin numbers 4 65 system block diagram 3 5 system configuration 1 8 to 1 9 system level operation block diagram 3 5 system restrictions ...

Page 292: ... plates 5 30 Reset switch 2 5 Service LED 2 5 SERVICE Mode switch 2 5 standard system block diagram 3 6 system unit 3 versions available 1 11 to 1 12 configurations 1 15 to 1 16 connectors 2 5 controls 2 4 to 2 10 removing and replacing assemblies 5 24 to 5 37 system level operation DIO II block diagram 3 7 ISA block diagram 3 8 standard block diagram 3 6 three main configurations 1 9 troubleshoot...

Page 293: ...omain B 1 to B 4 operation FRU level 3 9 to 3 20 CPU Motherboard 3 9 to 3 15 output devices HP UX systems 4 34 to 4 35 overview of Domain OS 3 2 to 3 3 P parallel interface 3 13 configuration HP UX C 23 to C 24 controller 3 10 PC AT bus 3 14 interface modified 3 10 PC coprocessor board A 8 PDMA graphics interface board 3 18 phase II boot shell Domain 4 14 physical configuration Model 400s 1 11 to ...

Page 294: ... test section 4 18 VRX color controller board tests 4 18 VRX monochrome controller board tests 4 18 HP UX systems 4 59 control menu 4 53 to 4 59 failure indications 4 40 to 4 41 FRU support 4 38 to 4 40 general description of failure codes 4 41 to 4 43 serial I O ports 3 9 RS 232 interface theory of operation 3 14 theory of operation 3 11 Series 400 Workstations 3 1 SERVICE mode LED Model 400s 2 5...

Page 295: ... standard block diagram 3 6 ISA block diagram 3 8 Model 400dl 3 5 Model 400t 3 4 T terminal escape sequences HP UX 4 36 terminals D 1 D 2 as system console with monitor setting with EEPROM configuration HP UX C 6 to C 7 test section of self test diagnostics Domain 4 18 test mode HP UX 4 52 to 4 60 Test Stimulus Code TSC diagnostics Domain systems 4 14 4 24 to 4 25 testing memory HP UX 4 54 to 4 58...

Page 296: ... a workstation as a terminal Domain D 2 utilities 4 17 utility interface on CPU Motherboard 3 9 theory of operation Domain 3 11 V Virtual memory operating system Domain OS 3 2 to 3 3 VRX color controller board tests self test diagnos tics Domain 4 18 video board 3 18 monochrome graphics controller board 3 19 controller board tests self test diagnos tics Domain 4 18 graphics controller jumper and s...

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