H3C UniServer R6900 G3 User Manual page 8

Procedure ····················································································································· 7-20
Verifying the replacement ································································································· 7-21
Replacing the power fail safeguard module for a storage controller ·················································· 7-21
Replacing a GPU module ······································································································· 7-23
Replacing the GPU module in a compute module ·································································· 7-23
Replacing a GPU module at the server rear ········································································· 7-24
Replacing an Ethernet adapter ································································································· 7-24
Replacing an mLOM Ethernet adapter ················································································ 7-25
Replacing a PCIe Ethernet adapter ···················································································· 7-26
Replacing an M.2 transfer module and a PCIe M.2 SSD ································································ 7-26
Replacing the M.2 transfer module and a PCIe M.2 SSD in a compute module ···························· 7-26
Replacing an M.2 transfer module and a PCIe M.2 SSD at the server rear·································· 7-28
Replacing an SD card ············································································································ 7-28
Replacing the dual SD card extended module ············································································· 7-29
Replacing an NVMe SSD expander module ················································································ 7-30
Replacing the NVMe VROC module ·························································································· 7-31
Replacing a fan module ·········································································································· 7-32
Replacing a processor ··········································································································· 7-34
Guidelines ···················································································································· 7-34
Prerequisites ················································································································· 7-34
Removing a processor ····································································································· 7-34
Installing a processor ······································································································ 7-36
Verifying the replacement ································································································· 7-37
Replacing a DIMM················································································································· 7-37
Replacing the system battery ··································································································· 7-38
Removing the system battery ···························································································· 7-39
Installing the system battery ····························································································· 7-39
Verifying the replacement ································································································· 7-40
Replacing drive backplanes ····································································································· 7-40
Replacing the management module ·························································································· 7-41
Removing the management module ··················································································· 7-41
Installing the management module ····················································································· 7-42
Replacing the PDB ················································································································ 7-42
Removing the PDB ········································································································· 7-43
Installing the PDB ··········································································································· 7-44
Replacing the midplane ·········································································································· 7-46
Removing the midplane ··································································································· 7-46
Installing the midplane ····································································································· 7-47
Replacing the diagnostic panel ································································································ 7-48
Replacing chassis ears ·········································································································· 7-48
Replacing the TPM/TCM ········································································································ 7-50
8 Connecting internal cables ···························································· 8-1
Connecting drive cables ··········································································································· 8-1
Connecting drive cables in compute modules ········································································· 8-1
Storage controller cabling in riser cards at the server rear ························································· 8-5
Connecting the flash card on a storage controller ··········································································· 8-8
Connecting the GPU power cord ································································································ 8-9
Connecting the NCSI cable for a PCIe Ethernet adapter ································································ 8-10
Connecting the front I/O component cable from the right chassis ear ··············································· 8-11
Connecting the cable for the front VGA and USB 2.0 connectors on the left chassis ear ······················· 8-11
9 Maintenance ·············································································· 9-1
Guidelines ····························································································································· 9-1
Maintenance tools ··················································································································· 9-1
Maintenance tasks ·················································································································· 9-1
Observing LED status ······································································································· 9-1
Monitoring the temperature and humidity in the equipment room ················································ 9-1
Examining cable connections ······························································································ 9-2
Technical support ··················································································································· 9-2
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