Data General Service ECLIPSE MV/7800 Product Information Package Download

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Summary of Contents for ECLIPSE MV/7800

Page 1: ...l Service Inc A Subsidiary of Data General Corporation PRODUCT INFORMATION PACKAGE ECLIPSE MV 7800 COMPUTER Model 8883 ECLIPSE MV 7 800 C COMPUTER Models 8884 8885 043 003621 00 DGC CONFIDENTIAL INTERNAL USE ONLY ...

Page 2: ...2 B12 2 1 1 Switches 2 2 2 B13 2 1 2 Indicator LEDs 2 3 2 B14 2 2 CPU PCB INDICATOR 2 3 2 B14 2 3 VOLTAGE NONREGULATED UNIT VNR 2 3 2 B14 2 4 POWER UP PROCEDURE 2 4 2 CO1 2 5 SYSTEM TERMINAL MODES OF OPERATION 2 5 2 CO2 2 5 1 Normal Operating Mode 2 5 2 CO2 2 5 2 Console Program Mode 2 5 2 CO2 2 5 3 Changing Modes 2 5 2 CO2 2 6 ECLIPSE MV 7800 AND MV 7800 C RESET PROCEDURES 2 6 2 CO3 2 7 POWER DOW...

Page 3: ...mory Subsystem 3 4 2 E01 3 1 3 Input Output Subsystem 3 4 2 E01 3 1 4 Diagnostic Subsystem 3 4 2 E01 3 1 5 System Bus S bus 3 5 2 E02 3 1 6 Timing 3 5 2 E02 3 1 7 Address Phase 3 5 2 E02 3 1 8 Address Modes 3 6 2 E03 3 1 9 Data Phase and Transfer Control 3 7 2 E04 3 1 10 Priority Arbitration 3 7 2 E04 3 2 SYSTEM OPERATION 3 7 2 E04 3 2 1 Operational Overview 3 7 2 E04 3 2 2 Central Processing Unit...

Page 4: ...LINE CORD 5 4 3 CO1 5 4 VNR UNIT 5 4 3 CO1 5 4 1 VNR Unit Removal 5 5 3 CO2 5 4 2 VNR Unit Replacement 5 5 3 CO2 5 5 FAN AND FAN MODULE 5 7 3 C04 5 5 1 Removal of Fan Module and Fans 5 7 3 C04 5 5 2 Replacement of Fan Module and Fans 5 9 3 C06 5 6 FRONT PANEL PCB 5 9 3 C06 5 6 1 Removal of the Front Panel PCB 5 9 3 C06 5 6 2 Replacement of the Front Panel PCB 5 11 3 C08 5 7 INSTALLING THE ELECTROS...

Page 5: ... 22 3 F07 5 V Booster Board Jumpers 6 24 3 F09 SYSTEM VERIFICATION 6 24 3 F09 INITIALIZING THE COMPUTER 6 27 3 F12 AUTOMATIC LOADING 6 29 3 F14 APL Menu Options 6 29 3 F14 Change Preset Values Program Responses 6 30 3 GO1 COMSWITCH II INSTALLATION 6 33 3 004 Cabling 6 33 3 004 Modem Installation 6 35 3 006 Federal Communications Commission FCC Compliance Regulations 6 36 3 007 System Modem Switch ...

Page 6: ...e Conversation Mode Block Diagram 3 34 2 G03 3 13 DRP Configuration for User Mode Block Diagram 3 35 2 G04 3 14 DRP Configuration for User Conversation Mode Block Diagram 3 36 2 G05 4 1 Troubleshooting Flowchart for ECLIPSE MV 7800 Computer 4 6 3 B01 4 2 Automatic Program Load Menu 4 10 3 B05 4 3 Change Preset Values Menu 4 11 3 B06 5 1 Decorative Front Panel Release Latch Locations 5 2 3 B13 5 2 ...

Page 7: ... 15 3 E14 6 8 Installing the ESD Kit 6 16 3 F01 6 9 CPU Chassis Configuration 6 18 3 F03 6 10 Power Supply Captive Screw 6 18 3 F03 6 11 BMC Cable Connections 6 20 3 F05 6 12 Internal and External VNR Loopback Plug Locations 6 21 3 F06 6 13 System Console Interface Cable Location 6 21 3 F06 6 14 CPU Chassis I O Slot Priority Chain Jumpering 6 22 3 F07 6 15 PCB Jumper Locations Baud Rate Switch 6 2...

Page 8: ...t 5 Slot Chassis 1 11 2 B06 1 11 Models USK2 D_ and USK4 D2 S 120 FCC Compliant 16 Slot Chassis 1 11 2 B06 1 12 Models USK2 D_ and USK4 D_ S 120 Noncompliant FCC Compliant 16 Slot Chassis 1 12 2 B07 1 13 Models USK2 E_ and USK4 E_ S 140 FCC Compliant 16 Slot Chassis 1 13 2 B08 1 14 USMV 47_ ECLIPSE MV 4000 Chassis 1 13 2 B08 1 15 USMV 27 S 280 Chassis 1 14 2 B09 1 16 MV 7800 17 Supporting PIP Docu...

Page 9: ...Loopback Plugs 6 19 3 F04 6 4 CPU PCB Jumpers 6 23 3 F08 6 5 Baud Rate Jumper Switch SW 1 6 23 3 F08 6 6 Power Up Self Test Failed XX Definitions 6 26 3 Fll 6 7 Device Codes 6 28 3 F13 6 8 System Modem Configuration Switch Settings 6 37 3 G08 6 9 Remote Modem Configuration Switch Settings 6 38 3 G09 043 003621 xii DGC CONFIDENTIAL INTERNAL USE ONLY ...

Page 10: ... APPROVAL NOTES PAGES AFFEC i ED 07 86 10 86 12 86 EE00 EE01 00 00 00 00 Original Issue Revised Sections 1 through 6 for inclusion of COMSWITCH functionality Complete document issue 4 DGC CONFIDENTIAL INTERNAL USE ONLY iii iv 043 003621 ...

Page 11: ...ters use power up and FRU diagnostics to detect and isolate failures to the FRU level The computer also supports remote diagnosis via internal COMSWITCH II protocol In addition to the internal memory on the CPU PCB an expansion memory PCB in the form of a daughter PCB to the CPU is available as an option The expansion memory PCB is offered in 2 4 and 10 Mbyte increments The maximum ECLIPSE MV 7800...

Page 12: ... the on site and the remote user There are three system access levels NONE Remote port is unable to connect to the MV 7800 computer system and cannot change any of the configuration data The local operator can change password dialstring and configuration data LIMITED Remote port can connect to the MV 7800 computer IAC port or only communicate with the user terminal but cannot change any of the con...

Page 13: ...ys generated 1 2 MODELS The ECLIPSE MV 7800 and MV 7800 C computer systems are available in two different memory size models Table 1 1 running under one of four different operating systems The 15 x 15 inch CPU PCB plugs into slot 1 but occupies slots 1 and 2 of a CPU 16 slot chassis Model prefixes denote cabinet color with suffixes indicating on board CPU memory size and operating system The ECLIP...

Page 14: ... 4 S or 4 C 16 slot to ECLIPSE MV 7800 U with 4MB on board main memory and operating system RTU USK4 C_ S 120 FCC compliant 5 slot to ECLIPSE MV 7800 U with 4MB on board main memory and operating system RTU USK4 D_ S 120 16 slot to ECLIPSE MV 7800 U with 4MB on board main memory and operating system RTU USK4 E_ S 140 1MB to ECLIPSE MV 7800 U with 4MB on board main memory and operating system RTU U...

Page 15: ...day clock and 2 or 4 megabytes of main memory with ERCC 2 Power supply 3 I O controllers 4 Optional expansion memory models MV 7800 MV 7800 C Memory Size 8900 2 megabytes 8901 4 megabytes 8902 10 megabytes 1 3 1 Central Processing Unit CPU The CPU consists of the following major components 32 bit MV architecture CPU uSEQ I O chips 2 or 4 megabytes of main memory with ERCC Floating Point Unit chip ...

Page 16: ...plane that accepts the CPU I O PCBs After the regulated power supply the first and second slots are for the CPU PCB The CPU PCB plugs into slot 1 and if there is a memory expansion PCB it occupies the space of slot 2 The memory expansion PCB is a daughter card that connects to CPU PCB The remaining slots are allocated for I O controllers Figure 1 2 FAN MODULE 5 V BOOSTER BUS REPEATER OR I O 5 V BO...

Page 17: ...e 1 5 lists the optional Memory Expansion PCBs Tables 1 6 through 1 13 lists the MV17800 U FRUs with DGC part numbers To coordinate information for the MV 7800 U it may be necessary to reference the Product Information Package written for the system prior to its upgrade to a MV 7800 U Table 1 4 Models 8883 8884 8885 FRUs DESCRIPTION PART NUMBER CPU PCB w 2MB Memory 1 of 2 005 024614 CPU PCB w 4MB ...

Page 18: ...rd 100 120 V 109 000719 Plug hardware 123 001947 Line filter assembly 005 021141 Additional suffix for Operating System RTU A AOS VS B AOS DVS C DG UX RTU Right to Use Table 1 7 Models USIC2 A2 and USK4 A NOVA 4 C FCC Compliant 5 Slot Chassis DESCRIPTION PART NUMBER Front RFI shield 002 022920 Terminator A side 005 013932 Terminator B side 005 013933 Loopback plug 100 120 V 005 019024 Loopback plu...

Page 19: ...harness 005 018793 Internal wiring harness 005 018994 Internal I O cable console 005 020189 Terminator A side 005 015361 Replaced by 005 015361 but may still be in use 005 012438 Terminator B side 005 012439 Back panel assembly 005 019907 Margining plug 005 012863 Power cord 220 240 V 109 000708 Power cord 100 120 V 109 000719 Configuration plug internal 100 200 V 005 018772 Configuration plug int...

Page 20: ...000163 Fan 100 V 115 000287 Fan harness 005 018793 Internal I O cable console 005 020189 Terminator A side 005 015361 Replaced by 005 015361 but may still be in use 005 012438 Terminator B side 005 012439 Margining plug 005 012863 Back panel assembly 005 019907 Power cord 220 240 V 109 000708 Power cord 100 120 V 109 000719 Configuration plug internal 100 200 V 005 018772 Configuration plug intern...

Page 21: ...e 10 A 250 V Slo Blo 113 000140 Additional suffix for Operating System RTU A AOS VS B AOS DVS C DG UX RTU Right to Use Table 1 11 Models USK2 D_ and USK4 D_ S 120 FCC Compliant 16 Slot Chassis DESCRIPTION PART NUMBER Plate cover 002 021318 B side terminator 005 012439 Margining plug 005 012863 A side terminator 005 015361 Power supply w o bbu 100 V 005 017673 Loopback plug internal 100 200 V 005 0...

Page 22: ... to Use Table 1 12 Models USK2 D_ and USK4 D_ S 120 Noncompliant 16 Slot Chassis DESCRIPTION PART NUMBER Console PCB 005 014135 Fan assembly 005 012076 Fan 115 000163 Back panel PCB assembly 005 012073 Power supply w o bbu 005 018878 Front panel 005 012065 VNR assembly 005 012429 Terminator A side 005 015361 Terminator B side 005 012439 Internal wiring harness 005 012489 Margining harness 005 0128...

Page 23: ... 012439 Loopback plug internal 100 200 V 005 018772 Loopback plug internal 220 240 V 005 018773 Loopback plug external 100 200 V 005 018774 Loopback plug external 220 240 V 005 018986 VNR line filter 220 240 V 005 018993 Internal wiring harness 005 018994 VNR cable 005 019153 Internal cable for system terminal 005 020189 Power cord 220 240 V 109 000708 Power cord 100 120 V 109 000719 Power cord 22...

Page 24: ...e listed below Instruction set 32 bit word size Intrinsic Instruction Set IS Decimal Instruction Set DIS Commercial Instruction Set CIS 16 to 80 bit instruction length Accumulators Fixed Point Four 32 bit 2 useable as index registers Floating Point Four 64 bit Control Store 16 384 40 bit Processor Cycle Time 320 nanoseconds Virtual Address Space 4 Gbytes Physical Address Space 14 Mbytes maximum Tr...

Page 25: ...g instructions start at subsection 2 8 2 1 CPU CHASSIS CONTROL PANEL The CPU chassis control panel Figure 2 1 contains four switches and three indicator Light Emitting Diodes LEDs OFF LOCK ON switch CONSOLE RST reset switch BOOT SYSTEM RST reset switch 0 OFF POWER ON 1 switch PWR power indicator LED BATT battery indicator LED RUN indicator LED A switch panel PCB resides behind the control panel OF...

Page 26: ...released the switch always returns to the rocker type momentary middle idle position which is unlabled Pressing RST three position LOCK switch OFF causes the computer to start the system reset sequence performs a hardware reset and invokes the SCP CLI BOOT BOOT when released the switch always returns to momentary the middle idle position which is unlabled Brings up the APL which then auto loads th...

Page 27: ...unning and the system terminal is not in console program mode 2 2 CPU PCB INDICATOR The CPU PCB has a power up LED indicator Figure 2 2 that lights when the power up testing is complete and stays on until the next power up If there is a board fault this lamp will not turn on LED FS 12703 Figure 2 2 Central Processor Unit PCB Fault LED 2 3 VOLTAGE NONREGTJLATED UNIT VNR The VNR has one indicator Fi...

Page 28: ...ripheral devices in a ready condition Some peripherals will not be ready until the processor is powered on and others will require time to reach a ready state after power on For information on placing peripherals in the ready state refer to the technical documentation for that peripheral 3 Power up the computer by changing the position of the POWER switch from 0 OFF to ON 1 The system will go thro...

Page 29: ...panic code that is displayed when the operating system detects a fatal system error are described in the respective user operating system manuals 2 5 2 Console Program Mode In console program mode the system terminal functions as a diagnostic soft console When SCP CLI prompt is present the user enters the commands and control characters recognized by the console program These commands allow the us...

Page 30: ... position and then press the SYSTEM switch to the RST reset position Use the Reset command 2 7 POWER DOWN PROCEDURES To power down the system first reset the system and then place the POWER switch from the ON 1 position to the 0 OFF position 2 8 MV17800 COMSWITCH II OPERATION MODES AND ACCESS LEVELS This subsection contains information to operate the COMSWITCH II NOTE To enable disable COMSWITCH I...

Page 31: ...llation of the MV 7800 and the normal power up sequence performed each time the MV 7800 is turned on thereafter 1 Initializing Power up Sequence This sequence is performed when the MV 7800 is installed The first time power is turned on whether done at the factory or on site an internal nonvolatile RAM test is carried out If the test passes the following parameters are initialized a Password is set...

Page 32: ...NDS All responses generated by COMSWITCH II are bracketed by to easily differentiate the responses from normal traffic COMSWITCH H commands consist of a single character upper or lower case preceded by a BREAK When the BREAK is detected the following prompt is displayed If the letter following the BREAK is one reserved as a command the command label is displayed with the date and time If the lette...

Page 33: ...GE 2 10 10 BREAIC R Local Console Read only ON OFF 2 10 11 BREAIC U USER Mode 2 10 12 BREAIC V Configuration VIEW CHANGE 2 10 13 BREAK Status 2 10 14 Table 2 2 COMSWITCH H Functional Commands VALID ACCESS LEVEL COMMAND DESCRIPTION SYSTEM CONSOLE REMOTE TERMINAL A Password VIEW CHANGE N B Send BREAK na L F C Conversation Mode ON OFF N L F L F D Local Console DISABLE ENABLE F E END Session N L F N L...

Page 34: ...et to NULL The response is NOTE On the next prompt type the new selected password up to a maximum of 40 characters and terminate with a NEW LINE or CR Enter a 1 and the following prompt will be displayed The following prompt will then be displayed Enter 1 to make a further change or 0 to exit 043 003621 2 10 DGC CONFIDENTIAL INTERNAL USE ONLY ...

Page 35: ...e caller knowing the password In this mode the caller will still receive the prompt but will be able to proceed with just a NEW LINE or CR 2 10 2 BREAK B Send BREAK This command is valid only at the remote terminal The command sends a BREAK to the CPU port which forces SCP CLI console entry or a BREAK character to the AOS VS user application in remote USER mode This command is necessary because an...

Page 36: ...ata transmitted by the computer is suspended until conversation mode is terminated The command operates in toggle fashion If conversation mode is OFF when this command is issued conversation mode will turn ON If conversation mode is ON when the command is issued conversation mode will turn OFF The following events will also turn conversation mode OFF BREAIC E Command BREAK N Command BREAK U Comman...

Page 37: ...or position requests i e When the local terminal is paper device and current activity assumes a video terminal NOTE A terminal disabled by the BREAIC D is still able to issue COMSWITCH II BREAK commands This command operates in toggle fashion If the local terminal is ENABLED when this command is issued it will be DISABLED If the local terminal is DISABLED when this command is issued it will be ENA...

Page 38: ...al terminal will be The response at the remote terminal will be If the local terminal is DISABLED when the BREAK D command is issued the response at the local terminal will be The response at the remote terminal will be Possible error message 043 003621 2 14 DGC CONFIDENTIAL INTERNAL USE ONLY ...

Page 39: ...the commanding terminal to the BREAK E command is The phone connection will be broken When the carrier loss is detected the following message will be displayed on the system console 2 10 6 BREAK H HELP This command lists all available commands and the revision of the firmware The response to the BREA1C H command is DGC CONFIDENTIAL INTERNAL USE ONLY 2 15 043 003621 ...

Page 40: ...e dialing T Touchtone dialing W Wait for diahone if available on modem used Start of portion of dialstring to match with number left by caller End of portion of dialstring to match with number left by caller The response to the BREAIC I command at the system console Enter I for dialstring change Enter the selected dialstring and terminate with a NEW LINE or a CR Once the dialstring has been inputt...

Page 41: ...alstring and what portion of the actual phone number must be matched by the remote caller This dialstring phone number extension arrangement may be setup in many different ways and can also handle remote centers with multiple operators Two examples of how a remote center might handle the multiple phone number follow Example 1 Remote center setup with only one number and multiple extensions Area co...

Page 42: ... modem 2 10 8 BREAK M Remote Mode SYSTEM This command is used to connect the remote terminal to the ITO TTI port of the MV 7800 computer and can only be issued by the remote terminal The command gives system console capabilities to the remote operator to command the local system console The command also does the following ENABLE local console if DISABLED Read only or Conversation Terminate USER mo...

Page 43: ...ss level at the MV17800 computer The command can only be issued at the system terminal In response to the BREAIC Q command the following message will be displayed at the system console and on the user terminal if in USER mode 2 10 11 BREAK R Local Console Read only ON OFF This command is valid from the remote terminal when in the SYSTEM mode and is used to prevent the local terminal from sending a...

Page 44: ...mmand BREAK N Command BREAK U Command Loss of carrier end remote session enter SYSTEM mode enter NORMAL mode enter USER mode If the local terminal is ENABLED when the BREAK R command is issued the response at the remote terminal will be The response at the other terminal of the pair will be If the local terminal is Read only when the BREAIC R command is issued the response at the remote terminal w...

Page 45: ...onfiguration VIEW CHANGE This command is used to view and change the parameters of the various serial I O ports This command allows the remote operator to verify the configuration of the host system Some of these parameters are stored in the nonvolatile RAM with some of them being fixed The only parameter to be configured using this command is the Baud rate of the IAC USER port The remaining infor...

Page 46: ...After a BREAK V command is issued the following will be displayed If parameter changes are required the following will also be displayed 043 003621 2 22 DGC CONFIDENTIAL INTERNAL USE ONLY ...

Page 47: ... to change the password dialstring and configuration data Remote port will only be able to connect the host system IAC port or communicate with the user terminal Unable to change any of the configuration data The local operator cannot change password dialstring or configuration data Remote port can connect to both port pairs of the host system and can change the configuration parameters The local ...

Page 48: ...t and cannot send data to the host CONVERSATION Conversation mode is ON traffic is directly between the remote and local terminals system console or user terminal depending on mode READ ONLY The local terminal system console in SYSTEM mode user terminal in USER mode will receive data from the host but cannot send data to the host 2 11 REMOTE CONNECT SEQUENCE After a Remote Call has been initiated ...

Page 49: ...list is provided for maintenance personnel who are acquainted with the original Model 10188 COMSWITCH II stand alone unit ECLIPSE MV 7800 COMSWITCH II 1 Access level set via BREAK Q CMD 2 BREAK S is not supported Date Time System boot clock changeable via Automatic Program Load APL menu 3 One 40 character dialstring 4 BREAK commands are not available to Local User console 5 In User mode Local cons...

Page 50: ...OMSWITCH II commands BREAK is always taken as a COMSWITCH II precursor at the Remote terminal regardless of the mode 3 If User mode is configured and System operator hits BREAK at System console to enter the SCP CLI then the Remote terminal will receive the message terminating User mode This difference also is caused due to a hardware limitation 4 BREAIC V configuration view change All information...

Page 51: ...is contained in a 16 slot chassis Additional expansion cabinets can be added Figure 3 1 shows the system configuration MODEL 8883 FS 12701 MODELS 8884 8885 Figure 3 1 ECLIPSE MV 7800 System The ECLIPSE MV 7800 computer is a single board computer that provides the 32 bit processing power of the ECLIPSE MV architecture The single 15 by 15 inch system board contains the system processing unit memory ...

Page 52: ...U chip microsequencer uSEQ chip floating point unit FPU chip input output PIO DCH controller chip a burst multiplexor channel BMC controller chip and a memory control unit MCU chip These chips collectively deliver the processing performance to the MV 7800 computer The CPU uSEQ and FPU chips form the nucleus of the system processing unit SPU The MCU chip is the center of the memory subsystem The PI...

Page 53: ...FS 12748 Figure 3 3 ECLIPSE MV17800 System Block Diagram DGC CONFIDENTIAL INTERNAL USE ONLY 3 3 043 003621 ...

Page 54: ...ide up to 14 Mbytes of physical memory 3 1 3 Input Output Subsystem The MV 7800 input output I O subsystem handles all communications with the system peripherals These communications take place over the standard ECLIPSE I O bus or the Burst Multiplexor Channel BMC bus ECLIPSE I O bus transactions are either programmed I O PIO or data channel operations Both types of transactions are handled by the...

Page 55: ...s locking mechanism allows for indivisible read modify write operations 3 1 7 Address Phase The most significant six bits of the data placed on the S bus during the address portion of the T period are interpreted as the following command information 0 _ 1 _ VBO PHY LCK BUS OPERATION 0 1 2 3 4 5 _ The most significant bit VBO or Valid Bus Operation indicates that the remaining 31 bits have signific...

Page 56: ...nables access to local address space nonphysical address space By specifying nonphysical address space the VLSI chips use the S bus to communicate with one another for programmed I O and access to other storage within the system There are also nonphysical local accesses made to the SCP TOD clock calendar and the DRP Transfers that do not access physical memory are indicated by a nonphysical addres...

Page 57: ...ng the address transfer portion of the T period READY is a bidirectional signal 3 1 10 Priority Arbitration A priority chain and well defined rules for bus usage guarantee exactly one bus master driving an address onto the bus at the appropriate time The READY and bus lock LCK signals and the priority arbitration logic determine which requestor uses the bus in the next T period If unasserted the R...

Page 58: ...n entry in the control store that contains the next vertical microinstruction in the microroutine and a further sequencing instruction The vertical microinstructions whether from the uSEQ decode logic or the control store form the first level of the two level ECLIPSE MV 7800 microcode scheme These microinstructions supply horizontal addresses each of which specifies a location in the 256 word hori...

Page 59: ...it CPU in the SPU is a 32 bit microprogranuned processor The CPU executes the standard ECLIPSE MV Family 32 bit instruction set translates logical addresses and accesses memory The CPU also interfaces with other SPU elements and system elements via the S bus znicrocontrol bus and various control signals Physically the CPU is a single VLSI chip Figure 3 5 shows the major functional elements of the ...

Page 60: ...HER 1 I Z I I I AW WRITE DATA N I i gi A BUS t 11 BBUS READ DATA LATCH INSTRUCTION REGISTER PIPELINE I PROGRAM COUNTER PIPELINE 4 II I III I I ARITHMETIC LOGIC UNIT k SHIFT REGISTER I I I I T_ ADDRESS TRANSLATION PHYSICAL I LA CAM I PA RAM ADDRESS BUS 26 BITS FS 12750 CONTROL UNIT MICROCONTROL BUS 24 BITS FROM CONTROL STORE Figure 3 5 Central Processing Unit Block Diagram 043 003621 3 10 DGC CONFI...

Page 61: ...ysical address These same processes occur when an instruction in the instruction register pipeline requires access to memory To efficiently perform this conversion process the ATU maintains a cache This cache consists of a physical address RAM PA RAM and a logical address content addressable memory LA CAM that together store 16 pagetable entries along with the page referenced page modified and pro...

Page 62: ...y executed The IR pipeline is a double first7jri first out queue consisting of five_167 bit_storage elements containing prefetched instructions at various _stages of decode and execution As the entry point to the pipeline the instruction prefetcher retrieves the next assembly language instruction and passes it to the uSEQ decode logic The logic decodes the instruction into a starting address of th...

Page 63: ...ch generates the proper sequence of address for the control store Physically the uSEQ is a single VLSI chip Figure 3 6 shows the major functional elements of the uSEQ Instruction register IR pipeline Decode logic Sequencing logic Control store TO FROM SYSTEM MEMORY S BUS 32 BITS S BUS INTERFACE INIOMMI MNOMM MMIM Al DECODE LOGIC INSTRUCTION REGISTER FPLA SPLA PIPELINE LIMMIN11 LIONDMIMM MICROADDRE...

Page 64: ...ecode logic consists of the starting programmable logic array SPLA and the flag programmable logic array FPLA 3 2 8 4 Starting Programmable Logic Array The starting programmable logic array SPLA decodes the 16 bit output of the IR pipeline to access one of its entries which consists of a 24 bit vertical microinstruction and a 16 bit sequencing instruction decode or the address of a control store e...

Page 65: ... parallel One register contains the currently executing vertical microinstruction while the other register contains the currently executing vertical microinstruction while the other register contains the next vertical microinstruction from the uSEQ instruction stream The HPLA sequencer takes a starting address from the currently executing vertical microinstruction and uses it to access horizontal ...

Page 66: ...I Z S ttti 1 EXECUTION UNIT FLOATING POINT 1 ACCUMULATORS 0 3 I I DECIMAL GENERAL PURPOSE I CONSTANT REGISTERS ROM 0 3 A BUS 64 BITS __ MANTISSA ALU EXPONENT ALU SIGN ALU I B BUS 66 BITS 0 ft 0 DIVISION LOGIC I NORMALIZATION SCANNER I AND PLA I NIBBLE SHIFTER I L J FS 12752 Figure 3 7 Floating Point Unit Block Diagram 043 003621 3 16 DGC CONFIDENTIAL INTERNAL USE ONLY ...

Page 67: ... memory expansion daughter board for a total of up to 14 megabytes The 7 inch x 15 inch daughter board mounts on top of the system mother board and contains surface mounted dynamic RAMs DRAMs various latches drivers and control logic 3 2 10 1 Memory Bus The memory bus M bus is a 32 bit bidirectional bus which connects to the system bus through a registered transceiver and is used primarily for pas...

Page 68: ...udes a 32 bit output multiplexor refresh address counter and syndrome save latch The 32 bit output multiplexor selects one of three inputs to be placed on the M bus The three inputs are outputs from either the ERCC logic in the data section the refresh address counter or the syndrome save latch The refresh address counter is a 23 bit ripple counter that is incremented for each refresh operation Re...

Page 69: ...ion If the operation is a memory read the MCU enables the contents of the data out buffer onto the M bus The MCU forces the S M transceiver to drive the data from the M bus to the S bus If the operation is a double word memory write the MCU waits until the data phase the second half of the M bus cycle for the data to appear on the S bus and then drives the data onto the M bus It then loads the dat...

Page 70: ...BSYSTEM 84 BIT IMMJ TO FROM BMC DEVICE CONTROLLERS ALI ALO Figure 3 8 Input Output Subsystem Block Diagram 3 2 11 1 Programmed I O Data Channel PIO DCH Controller The PIO DCH chip performs several key functions within the I O subsystem including control of PIO and data channel operations implementation of basic I O devices and support for the system control program SCP 3 2 11 2 Operational Overvie...

Page 71: ...ss specifies a port address and individual local space locations at that address port 3 2 11 5 PIO Control Logic The PIO control logic decodes PIO commands and handles interrupts from the PIO devices and the SCP error logging facility device code 45 PIO operations executed by the PIO DCH controller are initiated by the transfer of a PIO command from the CPU to the PIO DCH controller over the syste...

Page 72: ...TEM MEMORY SYSTEM BUS SBUS 0 32 Ilall 111 1 11111111 INTERNAL I O BUS INTERFACE DCH CONTROL LOGIC _1 SYSTEM BUS IT INTERFACE DCH DCH MAP OUTPUT I CACHE CACHE DCH MAP POINTER INTERNAL I O BUS PROGRAMMED I O CONTROL LOGIC CONFIGURATION AND CONTROL REGISTERS 1 INTERNAL I O DEVICES ECLIPSE I O BUS 48 BIT TO FROM I O DEVICE CONTROLLER FS 12754 Figure 3 9 PIO DCH Controller Block Diagram 043 003621 3 22...

Page 73: ...ler microcode then clears the request Information about NMIs is stored in the PIO DCH controller s 16 bit system status register The contents of this register indicate the state of the power fail signal and whether the potential causes of the NMI is internal or external to the PIO DCH chip The register contents are accessed by executing the appropriate I O instruction 3 2 11 9 PIO Priority Since P...

Page 74: ...e CPU for logging by the operating system It also allows system software to direct the operation of certain portions of the system hardware such as the memory subsystem s error checking and correction ERCC logic The SCP error log facility detects system power failures memory ERCC errors etc This facility together with the microcode for the SCP and NMI handlers reports these errors to the operating...

Page 75: ...desired map entry is contained in the data field of the cache entry An unsuccessful comparison causes the DCH control logic to retrieve the required address translation from the DCH map stored in system memory When this occurs a location in the DCH map cache is allocated to receive the accessed map entry Any unused cache locations are filled first if all six cache locations contain valid DCH map i...

Page 76: ...he ECLIPSE MV 7800 computer system Data and addresses are transferred on this bus along 16 parallel bidirectional data lines Data and address transfers are synchronous so no handshaking occurs between the peripheral controller interface and the PIO DCH controller Dedicated control lines carry 32 signals that specify the unique function to be performed Each control signal generated by the PIO DCH c...

Page 77: ... Thus an address transfer cannot occur simultaneously with a data transfer BMC Control Device controllers using the BMC channel operate synchronously based on a synchronization signal that the BMC controller generates when data is available for input or output A BMC state machine and its associated logic requests the S bus when necessary and determines the BMC operation based on the availability o...

Page 78: ...e BMC bus typically transfers a block of data to or from adjacent locations in memory The BMC controller takes advantage of the sequential nature of these memory accesses by saving the most recently used address translations in the BMC map cache Each logical address supplied by a device controller is compared to an entry in this cache also associated with the particular device controller to determ...

Page 79: ...supplied by the BMC device specifies both the number of 16 bit words to be transferred and the number of registers to be loaded Because two words are required to load or read each map slot the starting address and word count must be even to read or write a number of complete map slots BMC Input Data Buffering The BMC controller s input buffering facility consists of four input data latches parity ...

Page 80: ...jor functional elements of the diagnostic subsystem SYSTEM CONSOLE KERNEL MICROCODE ROM NONVOLATILE RAM TIME OF DAY CLOCK CALENDd DIAGNOSTIC REMOTE PROCESSOR POWER UP DIAGNOSTICS ROM MICROCONTROL BUS INTERFACE 8 BIT REMOTE BUS REGISTERED TRANSCEIVERS 32 BIT SYSTEM BUS FS 127S6 Figure 3 11 Diagnostic Subsystem Block Diagram 3 3 1 Diagnostic Remote Processor The diagnostic remote processor DRP is th...

Page 81: ...that the system software can be loaded from the program load device These diagnostics test the uSEQ CPU and control store the PIO DCH controller the MCU gate array and first 32 kilobytes of system memory and verify the path from memory to control store Sizes and tests all system memory Writes a control byte to the DRP indicating pass of each power up microdiagnostic When a s POWER UP TESTING COMPL...

Page 82: ...tor performs these functions by entering commands of the SCP Command Line Interpreter SCP CLI on the system console or terminal with remote access to the SCP The SCP CLI is invoked under the following conditions At system power up if autoboot is not selected When the front panel console RESET switch is pressed When the BREAK key is pressed on the system console When the operator of a terminal that...

Page 83: ... 3 13 for the DRP configuration for this mode 3 3 5 3 Local SCP Mode In this mode the CPU is running the operation system or is halted via the SCP command HALT CPU system console output is held off by holding the PIO DCH controller s clear to send CTS line busy If the CPU is running the operating system the IAC and user console connection are available The SCP CLI prompt appears at the system cons...

Page 84: ...vity is echoed to the local system console over DUART port B See Figure 3 12 for the DRP configuration for this mode 3 3 5 7 User Mode In user mode a remote modem terminal gains access to the system IAC port thus becoming an active user running under the operating system or customer software This happens when the access level is set at either limited or full The system console is connected directl...

Page 85: ... back This mode can only be entered remotely if the access level is set to full Because there is one command to enter both system conversation mode and user conversation mode system conversation mode is entered when the BREAK C command sequence is entered if the last mode was not user mode See Figure 3 13 for the DRP configuration for this mode 3 3 5 10 User Conversation Mode User conversation mod...

Page 86: ...The time slice timer and alarm cannot be used simultaneously with the programmed interval timer PIT in the PIO DCH controller because they both use the PIT register The clock calendar chip is accurate to within 100 microseconds during normal runtime and drops to one second accuracy during hardware reset and power down periods During these periods the time of day is kept by the clock calendar chip ...

Page 87: ...isolate repair and verify repair of the ECLIPSE MV 7800 computer faults within the specified field MTIR at the FRU level of remedial maintenance 4 1 TOOLS INFORMATION GUIDELINES AND BASIC PROCEDURE 4 1 1 Primary Troubleshooting Tools Section 4 uses the following primary troubleshooting tools Power up self tests that run automatically when the computer is powered on or when a command to execute the...

Page 88: ...MMED I O VERIFIER PRIOR X 2500 ECLIPSE I O PRIORITY CHAIN EXERCISER UPSCD 2851 UNIVERSAL POWER SUPPLY CNTRLR DIAG MVSYSTEMX 2430 MV SYSTEM EXERCISER Microcode files for their respective FRU diagnostics listed above 077 MV78CPUD1U 624 MCODE FILE USED BY MV78CPUD1 MV78FPUD1U 626 MCODE FILE USED BY MV78FPUD1 MV78MEMD1U 629 MCODE FILE USED BY MV78MEMD1 MV7810D1U 628 MCODE FILE USED BY MV78I0D1 COMMENT...

Page 89: ...F 7 302000 091 000163 96 TPI FLOPPY 4 OF 7 302000 091 000164 96 TPI FLOPPY 5 OF 7 30200G 091 000165 96 WI FLOPPY 6 OF 7 302000 091 000168 96 TPI FLOPPY 7 OF 7 MV 7800 SYSTEM MEDIA Release notice number 085 000735 31323H 074 000241 System microcode distrubtion media mcode filename MV7800 077 000623 COMMENTS This media contains only the system microcode file and the software necessary to load microc...

Page 90: ... questions to determine the FRU inventory necessary to repair the computer System configuration Memory size and board configuration Terminal type used as the system terminal Configuration of I O devices CPU chassis with or without an expansion chassis Battery backup unit BBU option Fault analysis NOTE If a problem is encountered with the system that may require remote support DO NOT POWER DOWN AND...

Page 91: ...bable failing FRU given in the error report b Different error report but the same FRU replace the next most probable FRU if one is given in the error report otherwise replace the same FRU with a known good FRU c Different error report and different FRU replace most probable failing FRU given by the error report 4 1 4 ECLIPSE MV17800 Basic Troubleshooting Procedure This basic troubleshooting proced...

Page 92: ...LOAD MENU DISPLAYED SOP CLI NOTE READY FOR SEE SUBSECTION 4 3 3 OPERATOR TO ENTER SCP SELECT 2 COMMANDS THEN Change preset values Menu displayed SELECT CHOICE 6 TO ENTER SCP IF MICROCODE HAS NOT BEEN LOADED SELECT CHOICE 3 FROM Change preset values Menu AND LOAD MICROCODE FROM DEVICE FS 12762 Figure 4 1 Troubleshooting Flowchart for ECLIPSE MV17800 Computer 043 003621 4 6 DGC CONFIDENTIAL INTERNAL...

Page 93: ...D PROCEDURE The PCB s within the ECLIPSE MV 7800 computer contain metal oxide semiconductor MOS devices which are sensitive to and can be damaged by static electricity discharges The proper method to eliminate ESD is to ground the individual who is removing or replacing the PCBs To ensure that the PCBs are protected from ESD an ESD kit DOC Part No 129 002200 should be used when removing replacing ...

Page 94: ...l cases except one is the CPU PCB located in slot 1 The only exception is category 3 error code 31 Here the expansion memory has failed Table 4 4 defines the displayed code definitions 4 3 2 Initalizing the Computer The power up test is complete at this point and the following message appears on the system console screen If the Automatic Program Load Menu appears instead of SCP CLI proceed to subs...

Page 95: ... console screen for the following message 4 Enter the two digit device code of the disk subsystem that will store the operating system and press NEW LINE The device code entered will now be the default device code for automatic program loading of this operating system on subsequent power ups On future power ups the code will be displayed in the brackets Table 4 5 lists commonly used device codes f...

Page 96: ...ame drive Make sure that the tape is at BOT and the drive is on line 8 After SCP CLI type BOOT 22 and press NEW LINE or CR Watch the screen for further messages If using a Data General operating system refer to the startup procedures in the system managers manuals or the release notice that accompanies the operating system software 4 3 3 Automatic Loading The power up testing is complete and the f...

Page 97: ...1 CR or NEW LINE 2 3 4 5 6 PROGRAM RESPONSE Immediately continues the normal power up sequence Interrupts the power up sequence and allows the system data and time to be changed Interrupts the power up sequence and allows the software from a device other than the automatic program load device default device to be loaded Interrupts the power up sequence and allows selection of a different automatic...

Page 98: ...EW LINE PROGRAM RESPONSE Leaves unchanged the default values for date time and offset to GMT which are displayed in the brackets Accepts the new date immediately as the default Accepts the new time immediately as the default Accepts the new time immediately as the default If your computer system is connected to a network that has nodes in different time zones Greenwich Mean Time may be selected Op...

Page 99: ...lt Device Enter new default device code 22 INPUT PROGRAM RESPONSE NEW LINE Leaves the default device code which is displayed in brackets unchanged The default device code specifies the automatic program load device for the next power up Device code followed J Accepts the new code as the default device code This code specifies the by NEW LINE device for automatic program loading on the subsequent p...

Page 100: ...ime delay of 10 to 45 sec followed by NEW LINE Leaves the default time delay which is displayed in brackets unchanged Accepts the new time as the default time delay 4 4 REMOTE TROUBLESHOOTING See Subsection 2 9 or ECLIPSE MV 7800 Remote Assistance User s Guide 015 000265 043 003621 4 14 DGC CONFIDENTIAL INTERNAL USE ONLY ...

Page 101: ...C AND INTERBOARD CABLES WARNINGS Primary disconnect from the AC MAINS is made by the removal of the ac power connector High voltage is present To prevent injury to personnel wait AT LEAST 5 MINUTES after powering down the system before removing the cover on the VNR assembly or power supply PCB to permit all high voltage capacitors to completely discharge NOTES Use metric tools in all procedures Do...

Page 102: ...the release latches in and pull the decorative front panel off the chassis 3 To replace the decorative front panel line up the release latches with the guide pins Figure 5 2 on the cabinet side rails and press the decorative front panel on the guide pins until locked in place 4 Check the latch engagement by pulling gently on the front panel REMOVABLE STUD STUD FS 12706 Figure 5 2 Location of Guide...

Page 103: ...p the handle on the front shielding Lift the front shield up and out of the EMI hardened chassis 7 6 To replace the shielding align it with the sides of the front of the chassis 7 Hold the front shielding by the front handle Push the cover onto the chassis until all sides are snug against the chassis 8 Align the right latch over the stud on the chassis and the left side latch to the screw hole 9 F...

Page 104: ...gure 5 4 and the appropriate ac electrical outlet 4 Set the main circuit breaker to the ON position and power up the system J1 QUARTER TURN FASTENER LOOPBACK PLUG AC POWER CORD FS 12708 Figure 5 4 VNR Power Line Cord Removal Replacement 5 4 VNR UNIT Use the following procedure to remove and replace the VNR WARNING High voltage is present To prevent injury to personnel wait five minutes after power...

Page 105: ...o the chassis using the hinge pin and clip 2 Connect P5 and P6 of the internal chassis harness to J11 and J12 of the VNR 3 Connect the two GND wires located on the side of the VNR 4 Replace the internal chassis harness clamp and screw on the VNR 5 Swing the VNR in toward the back panel 6 Loosen the four hex screws along the VNR rear and one screw at the VNR side accessible through an opening in th...

Page 106: ...A VNR OPEN CLAMP SCREW OUTSIDE VNR HINGE PIN GND WIRES II I 4 4 4 4 j le e If s a 4 it c______ 4 4 3 t 4 4 4 ir K 3 c g a r a Ic a f C ALIGNMENT B VNR REMOVED SCREW 5 CHASSIS SIDE VIEW C VNR ALIGNMENT FS 12709 AFTER REPLACEMENT Figure 5 5 VNR Removal Replacement 043 003621 5 6 DGC CONFIDENTIAL INTERNAL USE ONLY ...

Page 107: ...LE STUD FS 12710 Figure 5 6 Fan Module Attachment 4 Grasp the fan module at the top and bottom and pull out S Place the fan module on a table with the fan side down 6 Remove the screw s which fasten the defective fan to the casing One screw for a bottom fan two screws for a top fan Figure 5 7 7 Carefully lift the fan module up if a top fan is being removed it will be loose and turn the fan module ...

Page 108: ...FS 12711 HEX HD SCREW BOTH SIDES Figure 5 7 Fan Attachments FAN MODULE CABLE FS 12712 Figure 5 8 Fan 4 Attachment Access 043 003621 5 8 DGC CONFIDENTIAL INTERNAL USE ONLY ...

Page 109: ...front panel casing to the fan module casing four screws 4 Carefully turn the fan on its side holding the new fan to make sure that it stays in the correct position 5 Fasten the fan to the casing one screw for a bottom fan two screws for a top fan 6 Slide the fan module into the chassis and push until it locks in place 7 Fasten the fan module to the chassis two nuts and lockwashers 8 Install the RF...

Page 110: ...ure 5 9 Fan Casing Screws and PCB Connector Locations 4 Disconnect connector P1 of the fan module cable from the front panel PCB 5 Remove the front panel PCB from its standoffs six screws flat washers and lockwashers Figure 5 10 043 003621 5 10 DGC CONFIDENTIAL INTERNAL USE ONLY ...

Page 111: ...the standoffs six screws flat washers lockwashers 2 Reconnect connector P1 of the fan module cable to the front panel PCB Figure 5 9 3 Attach the front panel PCB casing to the fan casing two screws on the top two screws on the bottom 4 Replace the fan module 5 Power up the system 6 Verify system operation DGC CONFIDENTIAL INTERNAL USE ONLY 5 11 043 003621 ...

Page 112: ...203 192 002204 192 002205 192 002206 192 002207 Black mat Straight cord 2 743 m 9 ft Coil type cord 3 048 m 10 ft Blue wrist band Beige wrist band Alligator clips 2 Recolseable bag WRIST BAND ALLIGATOR CLIP STRAIGHT CORD ALLIGATOR SNAP FASTENER 2 FASTENER FS 12788 Figure 5 11 Installing the ESD Kit 1 Remove the black mat from its carrying bag remove the wrist bands and other materials from the sto...

Page 113: ...e ESD kit is now installed and the PCBs can now be removed handled and installed 5 8 PLUG IN PCB Removal and replacement procedures for any of the plug in PCB in the CPU chassis follow The front panel and RFI shield must be removed first Standard PCB titles part numbers chassis slot assignments and jumper configuration references are listed in Table 5 1 Slot location assignments are shown in Figur...

Page 114: ...em dependent ________ 7 I O system dependent __________ 6 I O system dependent ONNIMINPOI MINNIIII 5 I O system dependent 4 ____ I O system dependent 3 Blank empty See below 2 CPU PCB W 2 MByte Memory 005 024614 1 CPU PCB W 4 MByte Memory 005 024496 1 Power Supply 005 020141 2 MByte Expansion Memory PCB 005 024619 2 4 MByte Expansion Memory PCB 005 024618 2 10 MByte Expansion Memory PCB 005 024616...

Page 115: ...FF ON 50 OFF OFF OFF OFF P2 0 II l 461 P7 P3 PG P1 Table 5 2 CPU PCB Jumpers JUMPER Figure 5 13 DESCRIPTION P1 IN for RS 232 C console OUT for Current loop console P2 IN for current loop console OUT for RS 232 C console P3 IN for current loop console OUT for RS 232 C console P4 NA P5 NA P6 IN for current loop console OUT for RS 232 C console P7 _ IN MV 7800 MV 7800 C OUT MV17800 U P8 ALWAYS IN FS ...

Page 116: ... 22 21 2 1 J16 UNDER P36 J17 J36 I c er a c WHEN 5 V BOOSTER BOARD IS INSTALLED WIRE WRAP J36 A22 TO SLOT 16 PIN B36 J36 A21 TO SLOT 16 PIN 838 If c c K a ic_____ a c a a A c a a K a 4 se a a 4 K K c a c FS 12718 Figure 5 14 5 V Booster PCB and Back Panel Jumper Locations 043 003621 5 16 DGC CONFIDENTIAL INTERNAL USE ONLY ...

Page 117: ... on the rear connector bulkhead and swing the panel down from the back panel c Remove the power supply bus bar safety shield Figure 5 15 d Remove the 5 V and GND bus bar bolts that are located under the safety shield e Disconnect J2 of the internal chassis harness from P4 at the rear of the power supply PCB Figure 5 15 f Loosen the power supply captive screw in the back panel support bracket freei...

Page 118: ...SAFETY SHIELD TWO BOLTS ARE UNDER THE SHIELD FS 12719 J 2 AND P4 CAPTIVE SCREW Figure 5 15 Bus Bar Safety Shield Removal OR KEY FS 12720 Figure 5 16 PCB Removal 043 003621 5 18 DGC CONFIDENTIAL INTERNAL USE ONLY ...

Page 119: ...rew can cause noise to generate degrading the system performance a Tighten the power supply captive screw b Reconnect connector J2 of the internal chassis harness to P4 on the rear of the power supply PCB c Replace the 5 V and GND bus bar bolts Figure 5 14 d Install the power supply bus bar safety shield e Swing the rear connector bulkhead up until closed and fasten in place by tightening the pane...

Page 120: ... way up towards the back panel and by lifting the rear connector bulkhead from its groove in the bottom of the chassis 6 Remove the decorative front panel 5 1 7 Remove the front RFI shield one screw and one nut 8 Remove all the plug in PCBs from the chassis 5 7 9 Unfasten the chassis from the cabinet side rails by removing from captive nuts two screws per rail in the front and one screw per rail i...

Page 121: ... I _ CAPTIVE NUT FS 12721 Figure 5 17 Chassis Attachments Left Side BACK PANEL 6 SCREWS P1 AND J16 J1 AND SUPPORT BRACKET FOR FAN MODULE SUPPORT BRACKET MARGINING P2 P3 2 SCREWS LOOPBACK PLUG AND J36 FS 12722 Figure 5 18 Back Panel Attachments DGC CONFIDENTIAL INTERNAL USE ONLY 5 21 043 003621 ...

Page 122: ...opback plug and any jumpers removed on the new back panel in the same back panel locations used on the defective back panel 7 With one person on each side of the chassis slide it onto the rack rails and fasten it to the rails two screws per rail in front one screw per rail in rear 8 Install the plug in PCBs in the same slots on the chassis that they occupied previously 5 7 9 Install the front RFI ...

Page 123: ...nnect the following connectors on the internal chassis harness refer to Figure 5 19 P1 AND J16 VNR J11 J12 AND AND P5 P6 OPENED TO 180 DEGREES FOR CLARITY ACTUALLY LIMITED TO APPROX 115 DEGREES P2 P3 AND J36 1 3 1 2 C C C 2 C e 2 4 4 1 c J1 AND r 0 c fir c c c FAN MODULE c c 1 e SUPPORT c c 4r c c c g f t r x BRACKET A SIDE B SIDE P4 AND J2 FS 12723 Figure 5 19 Internal Chassis VNR Harness Connect...

Page 124: ... Swing the VNR towards the back panel until it is closed and fasten it in place by tightening the VNR fastener 6 Plug the power cord into the rear of the VNR 7 Reconnect the chassis power cord to a proper electrical outlet and power up the system 8 Verify system operation Section 4 5 11 EXTERNAL VNR PLUG Use this procedure to remove and replace the external VNR loopback plug Make your selection ac...

Page 125: ...east five minutes after powering down the system before removing the external VNR loopback plug 2 Unplug the power cord from P1 on the rear of the VNR 3 Loosen the fastener on the right side of the VNR and swing the VNR away from the back panel 4 Remove the ten VNR cover screws and then the cover Figure 5 21 5 Remove the internal loopback plug from J12 of the PCB within the VNR 6 Install the new i...

Page 126: ...stem operation Section 4 5 13 MARGINING LOOPBACK PLUG Use this procedure to remove and replace the margining loopback plug 1 Power down the system 2 Note the location of the margining plug on the back panel and remove the margining loopback plug Figure 5 22 3 To replace install the margining loopback plug with pin 1 of the plug in the topmost position in the same position on the back panel 4 Power...

Page 127: ...ve the decorative front panel 5 1 3 Remove the front RFI shield one screw and one nut 4 Remove the appropriate cables Figure 5 23 5 To replace connect the appropriate cables 6 Replace the front RFI shield one screw and one nut CAUTION The attachment tabs on the front RFI shield must not be bent The shield must be installed flush with the chassis DGC CONFIDENTIAL INTERNAL USE ONLY 5 27 043 003621 ...

Page 128: ...MEM SLOT 1 CPU MEMORY EXPANSION DAUGHTER BOARD 0 0 0 FS 12727 Figure 5 23 BMC Cable Locations 7 Replace the decorative front panel 5 1 8 Power up the system 9 Verify system operation Section 4 043 003621 5 28 DGC CONFIDENTIAL INTERNAL USE ONLY ...

Page 129: ...t the necessary facility electrical systems to ensure correct voltages Arrange for personnel to unpack and inventory the equipment under service personnel supervision and Arrange for service personnel to connect the system cables to the site power outlets Each installation procedure is dependent upon the preceding one Therefore the procedures must be performed in the sequence presented The install...

Page 130: ... mm 30 00 in Rear 762 mm 30 00 in Right 762 mm 30 00 in Left 762 mm 30 00 in 6 1 3 USA Electrical Specifications Cabinet Power Requirements 1605 A Single Bay Only Voltage Vac 120 Frequency Hz 47 to 63 Phase 1 Current Rating 15 amps phase Cabinet Power Requirements 1605 B 1 Bay Primary Voltage Vac 120 240 or 120 208 Y Frequency Hz 47 to 63 Phase 1 phase center tapped or 2 phases of 3 phase 120 208V...

Page 131: ...L 14 30 Receptacle Drop L 14 30 Body 1605 C D Wall L 21 30 Receptacle Drop L 21 30 Body CPU Chassis Power Requirements Voltage Vac 120 10 15 Frequency Hz 47 to 63 Phase 1 Current Rating 12 amps phase Maximum Peak Surge 17 amps typical for 0 5 sec Cables supplied with equipment Supply Part Number Line cords 120V 109 000719 Length 1 8 m 6 0 ft Connector type NEMA code 5 15P Mating connector type NEM...

Page 132: ...d directly to a terminal block 1606 D located in the ac distribution box in the bottom rear of the cabinet CPU Chassis Power Requirements Voltage Vac 100 1 10 Frequency Hz 47 to 63 Phase 1 Current Rating 15 amps phase Maximum Peak Surge 14 amps typical for 0 5 sec Cables supplied with equipment 220 240 10 15 47 to 63 1 8 amps phase 34 amps typical for 0 15 sec Supply Part Number Line cords 100V 10...

Page 133: ...perature Range Degrees Celsius 40 to 65 Degrees Fahrenheit 40 to 149 Relative Humidty Range 10 to 90 noncondensing Altitude Meters 0 to 7 620 Feet 0 to 25 000 6 2 LINE VOLTAGE CHECKOUT for USA Installation WARNING Primary disconnect from the AC MAINS is made by the removal of the ac power connector Before connecting any equipment to the customer s electrical system the ac line must be checked to m...

Page 134: ...inet Line Voltage Check for USA Installation 1 Determine the working voltage and connector type refer to Figure 6 1 of the customers ac circuit 2 Set the voltmeter to the appropriate range and scale 125V 15A 3 WIRE 0 0 w 120V 50A 9 WIRE co 0 a w 250V 15A 3 WIRE U _ v 125V 20A 3 WIRE W 250V 15A 3 WIRE 0 o o 125 250V 30A 4 WIRE c a3 D C 250V 20A 3 WIRE trz 8 250 600V 50A 3 WIRE c I o x 120 208V 30A ...

Page 135: ...eptacle one at a time In each case the meter should read the single phase voltage in Table 6 1 13 Remove both meter probes from the receptacle 14 Inform the customer if the line voltage is not within the acceptable margins listed in Table 6 1 CAUTION To prevent equipment damage do not allow the customer to connect any equipment until the line voltage is within specification 6 3 CABINET INSTALLATIO...

Page 136: ...the right side of the cabinet and the pallet 9 Raise the end of the pallet sufficiently to relieve the pallet pressure from the cushion module or hardigg cushions by simultaneously rotating both jack screws clockwise Remove the cushion s 10 Lower the end of the pallet to the floor by simultaneously rotating the jack screws counterclockwise 11 Hold the machine in place and remove the two remaining ...

Page 137: ...LI HALF SLOTTED CONTAINER STRAPPING CORRUGATED FRONT PANEL COVER POLYBAG SHIPPING PALLET Ul PALLET STRAPPING FS 12729 Figure 6 2 Unpacking the 1605 1606 Cabinet DGC CONFIDENTIAL INTERNAL USE ONLY 6 9 043 003621 ...

Page 138: ...OF CABINET al SIMULTANEOUSLY TURN 2 JACK SCREWS TO RAISE 4 CUSHION MODULE FROM FLOOR e 0 6 REMOVE CUSHION MODULE 0 lei II o el 0 I II col REMOVE 2 BOLTS FROM CUSHION MODULE SIMULTANEOUSLY TURN 2 JACK SCREWS TO 7 LOWER END OF PALLET TO FLOOR HOLD MACHINE IN PLACE AND REMOVE 2 REMAINING eb BOLTS AT BOTTOM OF 0 CABINET 9 EASE MACHINE OFF PALLET JACK SI 1 NUT FLOOR FS 12730 Figure 6 3 Removing Model 1...

Page 139: ...Chassis Refer to Figure 6 4 and perform the chassis unpacking procedure FS 12737 FOAM PIECE panicimn I CT STRAPS Figure 6 4 CPU Chassis Unpacking Refer to cabinet packing list and perform inventory and damage check of all items listed Note any items missing or damaged on the packing list NOTES It is the customer s responsibility to negotiate with the carrier for any visible damage to the exterior ...

Page 140: ... NEMA cabinet 1 Fasten the left and right bracket supports part of 005 019199 rack mount kit to the 19 inch NEMA cabinet LEAVE THE LEFT REAR NUT AND BOLT LOOSE AT THIS TIME Figure 6 5 2 Install the guide pins for the decorative front panel Figure 6 6 WARNING The chassis may weigh up to 50 kgs 111 lbs when fully loaded Two people are required to safely place the chassis on the bracket slide support...

Page 141: ...LEAVE NUT AND BOLT LOOSE UNTIL CHASSIS IS INSTALLED LEFT BRACKE SLIDE SUPPOI 002 007986 FS 12732 Figure 6 5 Installation of Bracket Supports DGC CONFIDENTIAL INTERNAL USE ONLY 6 13 043 003621 ...

Page 142: ...133 35 146 1 5 25 5 75 DIMENSIONS IN MM IN LEFT RIGHT FRONT FRONT RAIL RAIL FS 12733 Figure 6 6 Installation of the Front of the Rack 043 003621 6 14 DGC CONFIDENTIAL INTERNAL USE ONLY ...

Page 143: ...Discharge ESD Many of the PCBs within Data General equipment contain metal oxide semiconductor MOS devices which are sensitive to and can be damaged by ESD Because of the danger of ESD an ESD kit must be used when removing and handling PCBs including bus repeaters The ESD kit Part No 129 002200 contains the following items DGC CONFIDENTIAL INTERNAL USE ONLY 6 15 043 003621 ...

Page 144: ...ing bag remove the wrist bands and other materials from the storage pockets of the black mat 2 Spread open the black mat and place it on a flat work surface with the storage pockets facing down and the snaps facing up 3 Press the snap fastener of the straight cord onto any of the four snaps of the black mat until the snap fastener is firmly in place WRIST BAND ALLIGATOR CLIP STRAIGHT CORD ALLIGATO...

Page 145: ...an now be removed handled and installed 6 4 3 2 Removing the ESD Kit To remove the ESD kit reverse the installation procedure and store all components of the kit in the storage pockets of the black mat 6 4 4 CPU Chassis Internal Electrical Connections Check Refer to to both the configuration sheets packed with the system and Figure 6 9 Use the following procedure to check the internal electrical c...

Page 146: ...IT POWER SUPPLY FS 12782 Figure 6 9 CPU Chassis Configuration VNR OPENED TO 180 DEGREES FOR CLARITY ACTUALLY LIMITED TO APPROX 115 DEGREES JIMP1C 3 4 1 C C C C it 4 C C 4 C 1 MV 7800 WIRING HARNESS CAPTIVE CONNECTOR TTY CABLE CPU CONSOLE 005 018445 SCREW PANEL 005 019213 INTERFACE FS 12726 Figure 6 10 Power Supply Captive Screw 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 043 003621 6 18 DGC CONFIDENTIA...

Page 147: ...ms for loose or disconnected internal cables and back plane terminators BMC internal cables between the CPU PCB and each BMC I O controller Figure 6 11 Table 6 2 shows the required cable and part number 4 VNR loopback plugs internal to the VNR and external Figure 6 12 See Table 6 3 and the DGC Universal BBU technical documentation for the required plug part numbers location and colored wire 5 VNR ...

Page 148: ...TO BMC CONTROLLERS SLOT 3 I O SLOT 2 OPT MEM SLOT 1 CPU MEMORY EXPANSION DAUGHTER BOARD D o FS 12727 Figure 6 11 BMC Cable Connections 043 003621 6 20 DGC CONFIDENTIAL INTERNAL USE ONLY ...

Page 149: ... marked CONSOLE INTERFACE 7 Check each I O controller interface cable between each I O controller and its connector on the RFI bulkhead Ensure label on each side of shield at the connector has the appropriate peripheral marked VNR OPENED TO 180 DEGREES FOR CLARITY ACTUALLY LIMITED TO APPROX 115 DEGREES FS 12738 1 C s c 0 DP 4 ot ac A SIDE B SIDE SYSTEM TERMINAL INTERFACE CABLE 005 019213 Figure 6 ...

Page 150: ... USE JUMPER 005 015135 2 OPEN I O SLOTS MUST BE JUMPERED OVER AS SHOWN AT RIGHT 3 FOR MORE INFORMATION CONCERNING INTERRUPT AND DATA CHANNEL PRIORITY TO PIN B11 SLOT 1 A93 A95 A94 A96 i 16 i 1 I 15 i 14 t i I I 13 1 12 1 11 10 9 1 1 4 I 0 A MO I la i 11 11 2 I O CONTROLLER 9 co OR BUS REPEATER OPEN SLOT OPEN SLOT I O CONTROLLER 8 co I O CONTROLLER 7 k I O CONTROLLER 6 I O CONTROLLER 5 I O CONTROLL...

Page 151: ... console P7 IN MV 7800 MV 7800 C OUT MV 7800 U P8 _ ALWAYS IN Table 6 5 Baud Rate Jumper Switch SW 1 BAUD S1 1 S1 2 S1 3 S1 4 50 OFF OFF OFF OFF 75 OFF OFF OFF ON 110 OFF OFF ON OFF 134 5 OFF OFF ON ON 150 OFF ON OFF OFF 200 OFF ON OFF ON 300 OFF ON ON OFF 600 OFF ON ON ON 1200 ON OFF OFF OFF 1800 ON OFF OFF ON 2000 ON OFF ON OFF 2400 ON OFF ON ON 4800 ON ON OFF OFF 9600 ON ON OFF ON 19200 ON ON O...

Page 152: ...e steps in this subsection to verify operation of the ECLIPSE MV17800 system Refer to Section 4 for troubleshooting procedures if necessary 1 Power up the ECLIPSE MV 7800 system including the peripherals 2 If data on the ECLIPSE MV 7800 disks are valuable take off the removable disks and replace them with formatted scratch disks and write protect the fixed disks 3 Turn on the computer power Check ...

Page 153: ...r the Program Load Menu If SCP CLI appears go to the subsection for INITIALIZING THE COMPUTER If the Program Load Menu appears go to the subsection for AUTOMATIC LOADING If the power up self test failed an error code is displayed The failing FRU in all cases except one is the CPU PCB located in slot 1 The only exception is category 3 error code 31 Here the expansion memory has failed Table 6 6 def...

Page 154: ...st time the board is powered on Just hit the on switch OFF ON again and it should not fail 2 The call out for expansion memory will only be called out on memory failures that occur in addresses greater than 4 Mbyte This means that if the system board is 2 Mbyte with expansion memory a failure could occur on the expansion memory board and the call out will indicate the system board memory There is ...

Page 155: ...00 displayed SCP CLI instead of the Program Load Menu which automatically loads the operating system from disk The APL was disabled APL can be enabled by performing steps 2 and 3 that follow and then automatically load the operating system by pressing the System Control Panel SYSTEM switch to BOOT 1 Load the MV 7800 SCP SYSTEM tape or the MV ADEX Model 30200 tape onto tape drive 0 of the primary t...

Page 156: ...MV 7800 SYSTEM tape continue to step 6 when SCP CLI reappears NOTE If the system was loaded from the MV ADEX tape a menu will appear that allows a choice of what to do next Refer to the ADEX Operator s Guide DGC 014 000744 for additional information 5 If you you only want to load microcode select the appropriate menu option After microcode is loaded select the menu option for entering the SCP or S...

Page 157: ...or CR Watch the screen for additional messages Subsequent steps depend on the MV 7800 operating system and are listed in either the system managers manuals or the release notice that accompanies the systems operating system software 2 To change the default values such as the automatic program load device the system date and time enter 2 Watch the screen for the Change Preset Values Menu Figure 6 1...

Page 158: ...e from a device other than the automatic program load device default device to loaded 4 Interrupts the power up sequence and allows selection of a different automatic program load device default device 5 Interrupts the power up sequence and allows you to change the time that the computer waits before continuing the normal power up sequence when you do nothing in response to the Automatic Program L...

Page 159: ...ch Mean Time followed by NEW LINE Leaves unchanged the default values for date time and offset to GMT which are displayed in the brackets Accepts the new date immediately as the default Accepts the new time immediately as the default Accepts the new time immediately as the default If your computer system is connected to a network that has nodes in different time zones GMT may be selected Option 3 ...

Page 160: ...ult Device Enter new default device code 22 INPUT PROGRAM RESPONSE NEW LINE Leaves the default device code which is displayed in brackets unchanged The default device code specifies the automatic program load device for the new power up Device code followed I Accepts the new code as the default device code This code specifies the by NEW LINE device for automatic program loading on the subsequent p...

Page 161: ...2 drivers Data General customers with ALMs that wish to use the COMSWITCH H User port option must upgrade to an IAC and User console that support RS422 6 8 1 Cabling The MV 7800 and MV 7800C is shipped with either internal System Terminal Interface cable 005 019213 Figure 6 18 or internal System Terminal Interface MV 7800 COMSVVITCH II cable 005 025369 Figure 6 19 COMSWITCH II requires cable 005 0...

Page 162: ...le 005 019213 Location A SIDE B SIDE FS 12744 Figure 6 19 System Terminal Interface MV 7800 COMSWITCH II Cable 005 025369 Location WARNING High voltage is present To prevent injury to personnel wait AT LEAST 5 MINUTES after powering down the system before removing the cover on the VNR assembly or power supply PCB to permit all high voltage capacitors to completely discharge 043 003621 6 34 DGC CON...

Page 163: ...location where the old cable connector was removed from 5 Connect end marked P1 of external MV 7800 COMSWITCH II cable 005 025368 Figure 6 20 to the bulkhead connector installed in step 4b External MV 7800 COMSWITCH cable 005 025368 is furnished with the modem P1 MALE FEMALE INTERNAL D 25 005 025359 005 025368 P4 USER CRT 0 3048M 1 FT fl MALE RS 422 D 25 SYSCON 0 3048M PS 1 FT 0 MALE RS 232 D 25 F...

Page 164: ...ither an RJ41S or RJ41P 2 Do not connect the modem to a party line or public pay telephone NOTE Any change to the modem configuration including use on a different telephone line must be reported to the local telephone company 6 8 4 System Modem Switch Settings The switch located on the bottom of the Novation modem Figure 6 22 must be configured for use with the DRP prior to installation There are ...

Page 165: ...OSITION SWITCH ENABLES SYSTEM MODEM TO 1 OFF Recognize commands 2 OFF Send numeric commands 3 OFF Send responses 4 OFF Not echo commands 5 ON Automatically answer incoming calls after first ring 6 OFF Accept incoming calls at 1200 bps 7 ON Use response from the full response set 8 ON Allow Data Set Ready and Carrier Detect to follow the carrier s signal DGC CONFIDENTIAL INTERNAL USE ONLY 6 37 043 ...

Page 166: ...sponses 4 ON Modem commands echoed 5 ON Automatically answer incoming calls after first ring 6 OFF Accept incoming calls at 1200 bps 7 OFF Use response from the full response set 8 OFF RS 232 signals DSR and DCD are always high POWER WALL CORD I PHONE CORD MODEM 005 025368 P2 FS 11375 110 VAC OUTLET TELEPHONE OPTIONAL Figure 6 23 Modem Connections 043 003621 6 38 DGC CONFIDENTIAL INTERNAL USE ONLY...

Page 167: ...ne to the modem plug the cord attached to the telephone into the PHONE CORD jack located at the back of the modem 6 Locate the power cord pack included in the modem package and plug the end with the round plug into the POWER connector on the back of the modem 7 Plug the power pack end of the power cord into 110 vac outlet 8 Turn the modem ON OFF power switch to the ON position 6 8 6 System Termina...

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