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HP 28642A manual Product Description

Models: 28642A

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Product Description

The HP 2S642A/HP2S655AHP-PB adapter is a computer interface card for usein HewIett-Packard computers that usethe HP-PB (HP Precision Bus) backplane. The HP 2S642Aproduct is for MPE XL systems.The HP 2S655Aproduct is for HP-UX systems.

The adapter card provides a SCSIport (Small Computer SystemInterface) for connecting up to sevenSCSIperipherals. In addition, the adapter card provides a standard HP parallel port for connecting an output-only device. The parallel port is not supported for useon MPE XL systems.

Hardware Supplied

HP 28642A’

lSCSI/parallel adapter card (2865540001)

mSCSI bus external terminator (1252.3920)

mSCSI port cable, 1 meter (5062-3383)

lThis Znstallationand ServiceManual (5960-3126)

*Note: The parallel port is not supported for useon MPE XL systems.

HP28655A

nSCWparaIlel adapter card (2865560001) n SCSI bus external terminator (1252-3920) m SCSI port cable, 1 meter (5062-3383)

m Parallel port cable, 2 meter (51804010)

m This Znstallationand ServiceManual (5960-3126)

Tools and Accessories Not Supplied

n

n

n

Screwdriver,Torx T-10 or 3/164nch flat blade

HP-PB slot divider (5062-3336)

Loopback hood, single-endedSCSIsignals (5061-6565)

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HP 28642A manual Product Description

Contents

HP 28642A HP-PB Scsi HP 28655A HP-PB SCSI/ Parallel HP HP 5960-3126 El091Safety Considerations @Hewlett-Packard Company, 1991. AI1rights rcservcdPrint History 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 Prepare to Install the Adapter Card Observe Antlstatic PrecautionsVerify Product Contents Gather Tools and Accessories Needed Record Adapter Card Identification InformationDependent requirements that are not noted here Peripheral to 92222ATable l-l. Scsi Cables LengthsDescription meters Remove Data corruption Installing the AdapterShut Down the System and SwZtch Off the Computer CreateCheck the Card’s Hardware Configuration Figure l-4. Default Switch Settings Installing the Adapter Set the Desired Parity-Checking CapabUityScsi Bus = closed = open Installing the Adapter l-9Set the Scsi Bus Address AddressVerify that Resistor Packs are Properly Installed Two resistor packsmust be installedInstall and Connect the Card Select an Appropriate SlotHP-Pa Standard Power Symbol Record the Slot Number Computer hardware limitations for l/O cards, if anySystemperformance implications, if any Prepare the Slot For Use Ignment Hole Page Card guides. If the problem persists,get help Insert the Card into the SlotSupplied with this product provides a thumbscrew connector Attach the Card CablesConnect Your Single-Ended Scsi Devices Installing the Adapter l-19Connect Your Peripheral Devices Properly on the SCSIbusTerminate the Scsi Bus Device operation on the SCSIbus 12. Scsi Bus Example Installing the Adapter Scsi Cable Length ExampleReassemble your computer TurnPowerOn to Peripherals, Then to the ComputerConnect Your Parallel Device, If Applicable Two metersSignal Name 24Installing the AdapterIn/Out Pin25 Turn Power On to Peripherals, Then to the Computer Data corruption or loss,or damageto hardwareSet Up the Operating System HP-UX SystemsMPE XL Systems Verify Operation ServiceInformation Service Information Field Replaceable Units Exchange AssemblyExchange adapter card assembly Flgure 2-1. Location of Board Component FRUsBoard Components Other FRUsTroubleshooting Tools Should be performed by authorized servicepersonnel onlySelf-lestFailure Boot failure occurs Self-Test Failure LEDOperation. Refer to your systemreference manuals Scsipba and Centpba Diagnostics Troubleshooting ChecklistDoes any device require a special SCSIterminator? Removal/Replacement Instructions Removal/Replacement of the Card For card removal, follow the procedures belowAlso be determined from the,scsipbadiagnostic Removal/Replacement of Card ComponentsMinimize touching the connector pins Service Information 2-lDamagewasextensive, you may need a new component Type and ratingDiagnostic Flgure 2-3. Replacing the Termpwr Fuse Service InformationCan continue to operate normally Reshipment Guidelines Technical Specifications General1green IElectrical +5 Vdc IPhysical IEnvironmentalConfiguration GlossaryAmerican National StandardsInstitute Backplane FRU Host adapter Seeadapter HP-PBComplies with the Scsi specification X3.131 Glossary Parallel portPrecision Bus See HP-PB SCSI-2 Termination Index Index tCable Card version...14FRUs...2-3 Identification information...l-4 installingPart number...2-3 Field replaceable units se-eFRUS HP Precision Bus SeeHP-PB HP-PBPhysical specifications...2-16 Index Loopback hood...2-4Resistor pack...&10 PowerProduct contents...13 Self-test failure LED...2-6 shut downTroubleshooting..2-8 Storing adapter cards...l-3 switchDuring installation/removal..J-6,1-19,2-10 Ylrlbo~5960-3126 El091