Chapter 12. Dimm Upgrade; Dimm Upgrade Overview; Identifying The Dimm Manufacturer; Upgrading The Dimm - Nvidia DGX A100 Service Manual

Chapter 12. DIMM Upgrade
You can upgrade the system memory by installing 16 additional DIMMs.
12.1. DIMM Upgrade Overview
This is a high-level overview of the procedure to add 16 additional dual-inline memory
modules (DIMMs) on the DGX A100 system.
1. Obtain the memory upgrade (16 DIMMs) from NVIDIA
2. Shut down the system.
3. Label all motherboard tray cables and unplug them.
4. Remove the motherboard tray and place on a solid flat surface.
5. Remove the motherboard tray lid.
6. Use the reference diagram on the lid of the motherboard tray to identify the empty DIMM
locations (spots with air baffles installed).
7. Replace the air baffles with the new DIMMs.
8. Close the lid on the motherboard tray.
9. Insert the motherboard tray into the system.
10.Plug in all cables using the labels as a reference.
11.Power on the system.
12.Verify that all DIMMs as well as the system are healthy using nvsm.
12.2. Identifying the DIMM Manufacturer
1. Determine the DIMM manufacturer.
sudo nvsm show memory
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2. Request the additional DIMMs from NVIDIA Enterprise Support, specifying the
manufacturer.
12.3. Upgrading the DIMM
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