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HP Model 744 - VME Workstation, Installation And Service Manual

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Contents

iv

Chapter 3

Troubleshooting

Diagnostic Information

3–2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Term Power LED

3–2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Off–Line Diagnostics

3–3

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

MAPPER

3–3

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

IOTEST

3–3

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Field Replaceable Units

3–4

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Removing and Replacing the Term Power Fuse

3–4

. . . . . . . . . . . . . . . . . . . . . . . . . . . 

Summary of Contents for Model 744 - VME Workstation

Page 1: ...Model A4268A FWD SCSI Adapter Installation and Service Guide Embedded Systems Operation Part No A4268 90601 Edition E1097 ...

Page 2: ...sequential damages in connection with the furnishing 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 a...

Page 3: ...s 1 4 Firmware Prerequisites 1 4 Software Prerequisites 1 4 Record Adapter Information 1 5 Check the Switch Settings 1 6 Chapter 2 Installing the FWD SCSI Adapter Remove SBC from the Card Cage 2 2 Remove blank plate from front panel 2 4 For Model 743 only install new Boot ROM if required 2 5 Install FWD SCSI Adapter card 2 6 Replace the SBC in the Card Cage 2 8 Connect the disk drives 2 9 Verify t...

Page 4: ...ntents iv Chapter 3 Troubleshooting Diagnostic Information 3 2 Term Power LED 3 2 Off Line Diagnostics 3 3 MAPPER 3 3 IOTEST 3 3 Field Replaceable Units 3 4 Removing and Replacing the Term Power Fuse 3 4 ...

Page 5: ...your computer for the installation It lists the contents of the kit and system prerequisites Chapter 2 This chapter describes the step by step procedure for installing the FWD SCSI adapter Chapter 3 This chapter tells you what to do if you experience problems after installing the new adapter Audience This guide is intended for use by anyone familiar with the Model 743 or 744 Single Board Computer ...

Page 6: ...led by our field personnel are charged the applicable field installation charge as covered under the standard terms and conditions For more information please contact your local sales representative Related Manuals For more information refer to the following documents Model 744 Owner s Guide A4511 90602 Model 743 Owner s Guide A2636 90606 Model 748 Owner s Guide A4511 90604 HP RT Operating System ...

Page 7: ...ii Revision History The revision history for each edition of the manual is listed below Edition Revision History E0495 First edition E1097 Second edition revised to include information relating to the Model 744 ...

Page 8: ...Preface viii Problems Questions and Suggestions If you have any questions or problems with our hardware software or documentation please contact your designated service representative ...

Page 9: ...ed Italic words or characters in formats and command descriptions values represent values that you must supply Italics are also used in text for emphasis screen display Information that the system displays appears in this typeface Enter A rectangle with rounded corners and a key label denotes a key on your keyboard In this manual we refer to the Enter key On your keyboard the key may be labeled ei...

Page 10: ...Preface x ...

Page 11: ... prepare your system for a FWD SCSI adapter installation Before installing your new adapter you need to complete the following tasks Check that you have the necessary equipment Make sure that your system meets the prerequisites Record adapter information Check switch settings ...

Page 12: ...ntrol and data lines Internal removable terminators allowing for installation anywhere on the SCSI bus 4 position DIP switch to set SCSI ID for the adapter Physical and Environmental Specifications The HP A4268A FWD SCSI Adapter s physical and environmental specifications are Temperature Operating 0 to 55 degrees C ramp rate 10 degrees C Storage 40 to 70 degrees C Humidity 95 relative humidity at ...

Page 13: ...nsure that the kit contains the following parts HP A4268A FWD SCSI adapter card Screws 2 Boot ROM upgrade for use with Model 743 only IC removal tool for use with Model 743 only Disposable anti static wrist strap Verify that you have the following tools to perform the installation Small flat blade screwdriver 1 Pozidriv screwdriver ...

Page 14: ...be replaced you need to determine the revision number which can be done in one of two ways use the Boot Console Handler BCH interface as described in the Model 743 Owner s Guide or you can examine the label on the Boot ROM a revision number is printed on the label If the revision number on the Boot ROM installed on the Model 743 is a lower number than the one included in this kit you should replac...

Page 15: ...later and the HP RT target system must have at least HP RT 3 01 For more information refer to the HP RT 3 01 Release Notes Contact your designated service representative for information on receiving an upgrade to the correct version of the operating system 3 Record Adapter Information Record the serial number of the adapter for future reference If your adapter needs service in the future the seria...

Page 16: ...your storage subsystem allows multiple controllers refer to your storage subsystem documentation The SCSI adapter address switches are shown set to SCSI address 7 in Figure 1 1 SCSI Address Switches 7 6 1 2 3 4 5 15 14 1 2 3 4 13 4 3 2 12 11 10 1 2 3 4 1 0 9 8 Depressed Side of Switch Figure 1 1 The SCSI Adapter Address Switches ...

Page 17: ...pter are as follows Remove the single board computer SBC For a Model 743 SBC install new Boot ROM if required Remove a blank cover Install FWD SCSI card Replace the single board computer Connect the disk drive s CAUTION The FWD SCSI adapter is susceptible to electrostatic shock When handling your graphics option board always wear the static grounding wrist strap that came in the kit Always handle ...

Page 18: ...ower cord s from the wall outlet and the card cage c Power off any external peripherals attached to your computer and unplug their power cables from the wall outlet d Attach the anti static grounding wrist strap to your wrist and an exposed piece of metal on your computer as described on the wrist strap s packaging ...

Page 19: ...ld have four captive screws two on the SBC and two on the expansion slot If you have these four captive screws you will need to remove all four See Figure 2 1 Captive Screws Captive Screws Figure 2 1 Removing the Single Board Computer f Push the ejector handles to the outside of the board and remove the SBC from the card cage as shown in Figure 2 1 ...

Page 20: ...ove blank plate from front panel Remove the blank plate from the opening of the front panel expansion plate at the site where you will install the FWD SCSI adapter Save the screws for use later See Figure 2 2 Figure 2 2 Removing a Blank Plate ...

Page 21: ...e the following procedure a Remove the Boot ROM from its socket on the Model 743 at location U54 using the IC removal tool as shown in Figure 2 3 b Align the new Boot ROM in its socket at location U54 with the keyed corner matching the sockets keyed corner Carefully press the new Boot ROM into its socket See Figure 2 3 Keyed Corner U54 Figure 2 3 Removing and Replacing the Boot ROM ...

Page 22: ...Figure 2 4 Installing the FWD SCSI Adapter b Align the connector on the bottom of the adapter with the connector on the GSC expansion adapter See Figure 2 4 c Gently press down on the adapter until the connectors are fully seated d Insert the the two screws provided in the kit through the top of the adapter into the two standoffs on the GSC expansion adapter See Figure 2 4 ...

Page 23: ...ewdriver to tighten the two screws f Install the two screws removed during Step 2 through the front panel extension plate on either side of the SCSI connector to secure the connector plate See Figure 2 4 g Use a 1 Pozidriv screwdriver to tighten the two screws ...

Page 24: ...he VME card cage b Push on the SBC s ejector handles until it is fully seated in the card cage as shown in Figure 2 5 Figure 2 5 Replacing the Single Board Computer c Use a small flat blade screwdriver to tighten the two captive screws on the SBC and the two captive screws on the expansion slot ...

Page 25: ...nnector on the FWD SCSI adapter as shown in Figure 2 6 Be sure to firmly tighten the screws on the connector Figure 2 6 Connecting the SCSI Cable b Connect the other end of the FWD SCSI cable to the peripheral box c Be sure to terminate the last device in the FWD SCSI bus or use an external terminator ...

Page 26: ...P UX 9 x usr sbin ioscan C ext_bus Enter for HP UX 10 x After a few moments the ioscan utility lists all of the bus interfaces it could find The list appears similar to the following For HP UX 9 x H W Path Description Status 2 0 1 scsi ok 0x7071 2 0 7 scsi ok 0x707c For HP UX 10 x H W Path Class Description 8 8 ext_bus GSC add on Fast Wide SCSI Interface 8 12 0 ext_bus Built in Parallel Interface ...

Page 27: ...3 1 Chapter 3 Troubleshooting This chapter describes how to solve installation problems with the following information Diagnostic Information Field Replaceable Units ...

Page 28: ...d on the adapter bulkhead is green it indicates the adapter is supplying termination power to the SCSI bus During proper operation the LED is on If the TERM POWER LED is off this adapter is not supplying termination power to the SCSI bus Possible faults include Blown fuse Faulty HP A4268A FWD SCSI Adapter Faulty SCSI device Faulty cable connection bent pins or improper seating of the cable connect...

Page 29: ...Version Hardware and Firmware Versions SCSI bus address of the host adapter Names and addresses of devices on the SCSI bus MAPPER automatically resets the SCSI bus IOTEST ISL ODE ODE iotest IOTEST run The IOTEST s strategy is to systematically check the basic functionality of the I O modules in the system This is accomplished by either making a PDC_IODC call to invoke selftest or by running a test...

Page 30: ...SCSI adapter Field Replaceable Units The following components are authorized for field replacement Description Part Number Adapter board A4268 60003 125V 2A LF Fuse 2110 0517 Terminating Resistor Pack 3 1810 1418 NOTICE In the event of replacing a a Model 743 SBC that has the HP A4268A Fast Wide Differential SCSI Adapter installed you must ensure the revision of the Boot ROM on the SBC is 304 2 Re...

Page 31: ... fuse has no polarity so fuse can be oriented in either position in the socket Fuse F3 Contact Pins Fuse Socket 125 V 2A LF Figure 3 1 Replacing Fuse F3 4 Replace the SCSI adapter 5 Replace the SBC If you verify that you correctly installed and configured your FWD SCSI adapter and you still have a problem contact your designated service representative ...

Page 32: ...Troubleshooting 3 6 ...

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