HP 28642A manual Board Components, Other FRUs

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Board Components

The foIIowing board components are available for replacement (seefigure 2-l for location):

PROM (location U52):	28655-81001
Fuse, termination power:	2110-0517
Onboard SCSIterminator,

(single in-line packages,SIPS): 1810-0676(two installed)

Other FRUs

Other PRUs associatedwith this product include the following:

SCSI card cable, 1 meter: External SCSIbus terminator: Loopback hood:

Parallel cable,* 2 meters:

5062-3383

12523920 (active,single-ended)

5061-6565(single-ended)

51804010 (sameasHP 92284A)

*Not applicable for the HP 28642Aproduct on MPE XL systems.MPE XL systemsdo not support the useof the parallel port.

2-4 Service Information

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Contents HP 28642A HP-PB Scsi HP 28655A HP-PB SCSI/ Parallel 5960-3126 El091 HP HPPrint History Safety Considerations@Hewlett-Packard Company, 1991. AI1rights rcservcd Installation and S&vice HP 28642A and HP 28655A at a Glance Product Description This Book Table of Contents Page Installing HP 28642A/28655AAdapter Lnstalllng the HP 28642A/28655A Adapter Verify Product Contents Prepare to Install the Adapter CardObserve Antlstatic Precautions Record Adapter Card Identification Information Gather Tools and Accessories NeededTable l-l. Scsi Cables LengthsDescription meters Dependent requirements that are not noted herePeripheral to 92222A Shut Down the System and SwZtch Off the Computer Data corruption Installing the AdapterRemove CreateCheck the Card’s Hardware Configuration Set the Desired Parity-Checking CapabUity Figure l-4. Default Switch Settings Installing the AdapterSet the Scsi Bus Address = closed = open Installing the Adapter l-9Scsi Bus AddressTwo resistor packsmust be installed Verify that Resistor Packs are Properly InstalledSelect an Appropriate Slot Install and Connect the CardHP-Pa Standard Power Symbol Systemperformance implications, if any Record the Slot NumberComputer hardware limitations for l/O cards, if any Prepare the Slot For Use Ignment Hole Page Insert the Card into the Slot Card guides. If the problem persists,get helpAttach the Card Cables Supplied with this product provides a thumbscrew connectorConnect Your Peripheral Devices Installing the Adapter l-19Connect Your Single-Ended Scsi Devices Properly on the SCSIbusTerminate the Scsi Bus Device operation on the SCSIbus Scsi Cable Length Example 12. Scsi Bus Example Installing the AdapterConnect Your Parallel Device, If Applicable TurnPowerOn to Peripherals, Then to the ComputerReassemble your computer Two metersIn/Out Signal Name24Installing the Adapter Pin25 Data corruption or loss,or damageto hardware Turn Power On to Peripherals, Then to the ComputerMPE XL Systems Set Up the Operating SystemHP-UX Systems Verify Operation ServiceInformation Service Information Exchange adapter card assembly Exchange AssemblyField Replaceable Units Flgure 2-1. Location of Board Component FRUsOther FRUs Board ComponentsSelf-lestFailure Troubleshooting ToolsShould be performed by authorized servicepersonnel only Operation. Refer to your systemreference manuals Boot failure occursSelf-Test Failure LED Troubleshooting Checklist Scsipba and Centpba DiagnosticsDoes any device require a special SCSIterminator? Removal/Replacement Instructions For card removal, follow the procedures below Removal/Replacement of the CardMinimize touching the connector pins Removal/Replacement of Card ComponentsAlso be determined from the,scsipbadiagnostic Service Information 2-lType and rating Damagewasextensive, you may need a new componentCan continue to operate normally DiagnosticFlgure 2-3. Replacing the Termpwr Fuse Service Information Reshipment Guidelines 1green Technical SpecificationsGeneral IPhysical IEnvironmental IElectrical +5 VdcAmerican National StandardsInstitute Backplane ConfigurationGlossary FRU HP-PB Host adapter SeeadapterPrecision Bus See HP-PB Complies with the Scsi specification X3.131 GlossaryParallel port SCSI-2 Termination Index t IndexCard version...14 CablePart number...2-3 Field replaceable units se-eFRUS Identification information...l-4 installingFRUs...2-3 HP Precision Bus SeeHP-PB HP-PBLoopback hood...2-4 Physical specifications...2-16 IndexProduct contents...13 PowerResistor pack...&10 Self-test failure LED...2-6 shut downDuring installation/removal..J-6,1-19,2-10 Storing adapter cards...l-3 switchTroubleshooting..2-8 Ylrlbo~5960-3126 El091