IBM SY33-0193-00 Installing a Dram, Exchanging the Fast-Write Cache Card, Removing the Cache Card

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Installing a DRAM

1. Ensure that the DRAM to be installed is the correct type.

2. Insert the DRAM into the keyed socket.

3.Press the DRAM into the socket, then rotate the .DRAM1/ clickuntil intothe clips place.

4.Reinstall the adapter into the system unit (see the service information for th system unit).

5. Turn on the power to the system.

6. Start up the system.

Exchanging the Fast-Write Cache Card

The following procedures explain how to remove and replace the Fast-Write Cache card.

Removing the Cache Card

Attention

ŸAdapter cards contain parts that are electrostatic-discharge (ESD) sensitive. Use the tools and procedures defined by your organization to protect such parts.

Ÿ The Fast-Write Cache might contain customer data.

1.Shut down the operating system.

2.Remove power from the system.

3.Remove the adapter from the using system.

Removing and Replacing FRUs23

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Contents IBM Page October Maintenance Manual1998 FirstContents Identify How This Book Is Organized About This SupplementRelated Publications SerialRAID Adapter Installation and , User’s S33-3283GuideIBM SerialRAID Adapter Technical ,ReferenceSA33-3275-01 SerialRAID SerialRAID Adapter Installation and Usersfor moreGuidetailsGeneral Information SRN Table Using the SRN TableSee Installation Displaying SRNsRepair Verification Verify Adapters Unless You are instructedService Request Numbers SRNs5 SSA Service Request Numbers SRNs7 FRU List Service Request Numbers SRNs9 40% Service Request Numbers SRNs11 SSA Loop Configurations that Are Not Valid Software and Microcode ErrorsDealing with Fast-Write Problems Service Request Numbers SRNs13 IBM SerialRAID Adapter Maintenance Information Example SSA Link Error Problem DeterminationLink Status Lights Light Locating a Broken LoopIBM SerialRAID Adapter Maintenance Information Exchanging a Non-Array Disk Drive Replacement Disk DrivesUsing the DOS Configurator DiskRSM ConfiguratorUsing GuideList UsingExchanging an Array Disk Using the RSM Configurator Exchanging an Array DiskModule IBM SerialRAID Adapter Maintenance Information Exchanging the Fast-Write Cache Card Installing a DramRemoving the Cache Card Refer to Figure Remove Pin2/ Removing the Fast-Write Cache Card CardDirection shown by the arrow in the diagram, and plug it Installing the Collar and Pin of the Fast-Write Cache Card Accessing Service Aids from Service Aids and OtherDisk Service Aids Adapter Installation Users GuideConfigurator Accessing Service AidsTo Set Service Mode with the DOS Configurator Service ModeHere Loop Is broken Between Third Fourth disk Drives Status To Set Service Mode With the RSM Configurator Format Disk To Format Using the DOS Configurator To Certify using the DOS Configurator To Format With the RSM ConfiguratorCertify Disk To Certify With the RSM Configurator Download Microcode Function To Identify with the DOS ConfiguratorTo Identify With the RSM Configurator Identify FunctionFinding the Device Are AvailableFinding the Physical Finding the Device WhenView SSA Event Log Event/Error LoggerError Summary LogIBM SerialRAID Adapter Maintenance Information To a Maintenance TasksUsing the RSM Configurator Nvram FromList ArrayModifying Attributes of Resources Maintenance ManualSelectNot Present Blank Slot To select the disk drives for the array Creating an Array To create an arrayIBM SerialRAID Adapter Maintenance Information Attaching a Resource IBM SerialRAID Adapter Maintenance Information Introduction UtilitiesEvent IBM SerialRAID Adapter Maintenance Information BOOK? YOUSRN? Is the SRN 45PAA? MAP015 2010-4IBM SerialRAID Adapter Maintenance Information MAP 2320 SSA Link IBM the SerialRAID Adapter Installation . Users GuideANY Are TextBreak 012FAILING? 013016 018 TextBreakIs a Yes 0172320-6IBM SerialRAID Adapter Maintenance Information MAP 2323 SSA Intermittent ErrorPAA Example 2323-4IBM SerialRAID Adapter Maintenance Information MAP 2324 SSA RAID SelectDisk Service AidsDo YOU have SRN 49500? Did the Diagnostics Give YOU ANY Other SRN?Yes No 002 Action Not Necessarily by You?Are ANY Disk Drives LISTED? Disks022 019Yes 020 021Did Did the Certify Service AID Fail AGAIN? 038 Open LOOP?041 Adapter Installation . Users GuideYes 039 040047 Yes 046048 Modify Attributes Use Hot051 054 Is the Problem SOLVED?SelectSSA Adapter List On ANY ARRAY?062 059060 Yes No 061066 065Yes No 067 071 RAID Checkout069 Yes No 070Or More 075Yes No 076 077Into 092 089090 Yes 091How 2324-20IBM SerialRAID Adapter Maintenance Information Yes No 005 MAP 2410 SSA Repair VerificationAPPLICABLE? Are ALL Check Lights OFF?006 You have just exchanged a disk drive Page IBM