Chapter 15. Motherboard Tray Battery
Replacement
Caution: Static Sensitive Devices: Be sure to observe best practices for electrostatic discharge
(ESD) protection. This includes making sure personnel and equipment are connected to a common
ground, such as by wearing a wrist strap connected to the chassis ground, and placing components
on static-free work surfaces.
15.1. Motherboard Tray Battery Replacement
Overview
You can replace the DGX H100 system motherboard tray battery by performing the following high-level
steps:
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. Conrm the system is healthy by running nvsm show health.
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