Nvidia DGX A100 Service Manual

NVIDIA DGX A100 Service Manual
5. Lift the network card o the motherboard and replace with the new network card.
6. Install the motherboard tray lid and then install the motherboard tray.
Refer to the instructions in the section Replacing the Motherboard Tray.
7. Connect all the cables to the motherboard tray, connect all power cords, then power on the sys-
tem and log in.
8. Conrm that the system is healthy.
$ sudo nvsm show health
There should be no new alerts listed.
Verify that the rmware is up to date according to the instructions in Updating the Mellanox Network
Card Firmware.
14.4. Replacing the Horizontal Network Card
Before attempting to replace any of the network cards, be sure to have performed the following:
▶ Determined the location ID of the faulty network card needing replacement.
See Identifying the Failed Network Card.
▶ Obtained the replacement network card have saved the packaging for use when returning the
faulty component.
14.4. Replacing the Horizontal Network Card 65

Nvidia DGX A100 Specifications

General

GPU	8 x NVIDIA A100 Tensor Core GPUs
System Memory	1 TB DDR4
Storage	15 TB NVMe SSD
GPU Memory	320 GB total (40 GB per GPU)
CPU	2 x 64-Core AMD EPYC 7742
Networking	8 x 200 Gb/s InfiniBand or Ethernet
Interconnect	NVIDIA NVLink