Chapter 15. Motherboard Tray Battery Replacement; Motherboard Tray Battery Replacement Overview; Replacing The Motherboard Tray Battery - Nvidia DGX A100 Service Manual

Chapter 15. Motherboard Tray Battery
15.1. Motherboard Tray Battery
Replacement Overview
This is a high-level overview of the procedure to replace the DGX A100 system motherboard
tray battery.
1. Get a replacement battery - type CR2032.
2. Shut down the system.
3. Label all motherboard cables and unplug them.
4. Slide out the motherboard tray.
5. Open the motherboard tray IO compartment.
6. Pull out the M.2 riser card with both M.2 disks attached.
7. Pull out the dual port Mellanox card (slot 4).
8. Replace the battery on the motherboard.
9. Install the dual port Mellanox card (slot 4).
10.Install the M.2 riser card with both M.2 disks attached.
11.Close the lid IO compartment on the motherboard tray.
12.Slide the motherboard tray into the system.
13.Plug in all cables using the labels as a reference.
14.Power on the system.
15.Confirm the system is healthy by running
15.2. Replacing the Motherboard Tray
Battery
A battery failure can be determined in a few ways.
NVIDIA DGX A100 System
Replacement
nvsm show health
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