NVIDIA DGX A100 Service Manual
$ sudo nvsm show ∕systems∕localhost∕memory∕alerts∕alert0
Inspect the component_id = line to determine the DIMM ID. The following example shows a
DIMM ID of A1.
Properties:
system_name = ....
component_id = CPU1_DIMM_A1
...
The output provides other information about the alert that can be provided to NVIDIA Enterprise
Support.
3. Determine the DIMM manufacturer.
$ sudo nvsm show memory
4. Request the replacement DIMM from NVIDIA Enterprise Support, specifying the manufacturer.
12.3. Replacing the DIMM
Before attempting to replace any of the dual inline memory modules (DIMMs), be sure to have per-
formed the following:
▶ Determined the location ID of the faulty DIMM needing replacement as explained
in:ref:identifying-failed-dimm. The location ID is an alphanumeric designator, such as A0,
A1, B0, B1, etc.
▶ Obtained the replacement DIMM and have saved the packaging for use when returning the faulty
DIMM.
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.
1. Power down the system.
2. Label all cables connected to the motherboard tray for easy identication when reconnecting.
3. Remove the motherboard tray.
Refer to the instructions in the section Removing the Motherboard Tray.
4. Using the diagram label on the lid as a guide, locate the faulty DIMM to be replaced.
52 Chapter 12. DIMM Replacement
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