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Nvidia DGX A100 Service Manual

Nvidia DGX A100
108 pages
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Contents
1 Introduction 1
1.1 Customer-replaceable Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.2 Recommended Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.3 Customer Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2 Front Fan Module Replacement 3
2.1 Front Fan Module Replacement Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.2 Identifying the Failed Fan Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.2.1 Viewing the Fan Module LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.2.2 Using the BMC Dashboard and NVSM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.3 Replacing and Returning the Front Fan Module . . . . . . . . . . . . . . . . . . . . . . . . . 5
3 Power Supply Replacement 7
3.1 Power Supply Replacement Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.2 Identifying the Failed Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.2.1 Identifying the Failed Power Supply from the Back . . . . . . . . . . . . . . . . . . . . . 7
3.2.2 Identifying the Failed Power Supply from the Console . . . . . . . . . . . . . . . . . . . 8
3.2.3 Determining the Manufacturer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.3 Replacing the Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4 Motherboard Tray - Accessing in Place 11
4.1 Accessing the Motherboard Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.2 Replacing the Motherboard Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5 Motherboard Tray - Removal and Installation 17
5.1 Removing the Motherboard Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
5.2 Reinstalling the Motherboard Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
6 U.2 NVMe Cache Drive Upgrade from 4 to 8 25
6.1 U.2 NVMe Cache Drive Upgrade Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
6.2 Determining the NVMe Drive to Order . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
6.3 Installing the Optional NVMe Drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
7 U.2 NVMe Cache Drive Replacement 29
7.1 U.2 NVMe Cache Drive Replacement Overview . . . . . . . . . . . . . . . . . . . . . . . . . . 29
7.2 Identifying the Failed U.2 NVMe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
7.2.1 Identifying the Failed NVMe from the Front . . . . . . . . . . . . . . . . . . . . . . . . . . 29
7.2.2 Identifying the Failed NVMe from the Console . . . . . . . . . . . . . . . . . . . . . . . . 30
7.2.3 Identifying the NVMe Manufacturer and Model . . . . . . . . . . . . . . . . . . . . . . . 31
7.3 Replacing the U.2 NVMe Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
8 U.2 NVMe Cache Drive Upgrade to 7.68 TB Drives 33
8.1 U.2 NVMe Cache Drive 7.68 TB Upgrade Overview . . . . . . . . . . . . . . . . . . . . . . . . 33
8.2 Installing the 7.68 TB NVMe Drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
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Nvidia DGX A100 Specifications

General IconGeneral
BrandNvidia
ModelDGX A100
CategoryComputer Hardware
LanguageEnglish

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