Nvidia DGX A100

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NVIDIA DGX A100 Service Manual

4.2. Replacing the Motherboard Tray

1. Close the lid to the motherboard tray.

2. Tighten the two thumbscrews and then push the motherboard tray into the system.

4.2. Replacing the Motherboard Tray 13

Main Page

Table of Contents3
Introduction7
Customer-Replaceable Components7
Recommended Tools8
Customer Support8
Front Fan Module Replacement9
Front Fan Module Replacement Overview9
Identifying the Failed Fan Module9
Viewing the Fan Module LED10
Using the BMC Dashboard and NVSM10
Replacing and Returning the Front Fan Module11
Power Supply Replacement13
Power Supply Replacement Overview13
Identifying the Failed Power Supply13
Identifying the Failed Power Supply from the Back13
Identifying the Failed Power Supply from the Console14
Determining the Manufacturer15
Replacing the Power Supply16
Motherboard Tray - Accessing in Place17
Accessing the Motherboard Tray17
Replacing the Motherboard Tray19
Motherboard Tray - Removal and Installation23
Removing the Motherboard Tray23
Reinstalling the Motherboard Tray27
Nvme Cache Drive Upgrade from 4 to31
Nvme Cache Drive Upgrade Overview31
Determining the Nvme Drive to Order31
Installing the Optional Nvme Drives32
Nvme Cache Drive Replacement Overview35
Identifying the Failed U.2 Nvme35
Identifying the Failed Nvme from the Front35
Identifying the Failed Nvme from the Console36
Identifying the Nvme Manufacturer and Model37
Replacing the U.2 Nvme Drive37
Nvme Cache Drive Upgrade to 7.68 TB Drives39
Nvme Cache Drive 7.68 TB Upgrade Overview39
Installing the 7.68 TB Nvme Drives39
Nvme Cache Drive Post-Installation Tasks43
Recreating the Cache RAID 0 Volume43
Returning the Nvme Drive44
Nvme Boot Drive Replacement Overview45
Identifying the Failed M.2 Nvme45
Replacing the M.2 Nvme Drive46
Rebuilding the Boot Drive RAID 1 Volume50
Returning the Nvme Drive51
Boot Drive Riser Assembly Replacement Overview53
Determining a Failed M.2 Nvme Riser Assembly54
Replacing the M.2 Nvme Riser Assembly54
Returning the Riser Assembly56
DIMM Replacement57
DIMM Replacement Overview57
Identifying the Failed DIMM57
Replacing the DIMM58
DIMM Upgrade63
DIMM Upgrade Overview63
Upgrading the DIMM63
Network Card Replacement69
Network Card Replacement Overview69
Identifying the Failed Network Card69
Replacing the Vertical Network Card70
Replacing the Horizontal Network Card71
Adding the Optional Dual-Port Horizontal Network Card77
Dual-Port Network Card Upgrade Overview77
Adding the Horizontal Network Card78
Updating the Mellanox Network Card Firmware83
Front Console Board Replacement85
Front Console Board Replacement Overview85
Replacing the Front Console Board85
Motherboard Tray Battery Replacement89
Motherboard Tray Battery Replacement Overview89
Replacing the Motherboard Tray Battery90
Trusted Platform Module Replacement95
Trusted Platform Module Replacement Overview95
Replacing the Trusted Platform Module95
Removing and Attaching the Bezel99
Installing the Rack Mount Kit101
Installing the Rails101
Installing the Cage Nuts103
Third-Party License Notices105
Micron Msecli105
Mellanox (OFED)106
Notices107
Notice107
Trademarks108
Copyright108

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