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DGX B300 System Firmware Update Guide Version 26.07.1#

Highlights#

Added Support#

  • Updated motherboard tray package, as shown in Firmware Package Details.

  • Released firmware update for Micron E1.S drive.

BMC Fixes#

  • Enhanced handling of sudden temperature spikes to reduce sudden shutdowns.

  • Filtered corrupt temperature readings outside valid silicon boundaries.

  • Fixed issue that might result in system not powering on after shutdown.

  • Improved thresholding to reduce (will not eliminate) duplicate event generation.

SBIOS Fixes#

  • Incorporated security updates.

GPU Tray Fixes#

  • No GPU tray fixes for this release.

The nvfwupd Tool#

Firmware Package Details#

This firmware release supports the following systems:

  • NVIDIA DGX B300 System

This firmware release supports the following operating systems:

  • NVIDIA DGX OS 7.5.0 and later

For more information about the operating systems, refer to the NVIDIA Base OS documentation.

You can download firmware packages from the NVIDIA Enterprise Support Portal.

The following table shows the firmware package files:

Package

Sample File

Combined archive

DGXB300_26.07.1.tar.gz

The combined archive includes the firmware for the system components and the firmware for the GPU tray.

  • Motherboard tray package (1.1.6)

  • Component package (TPM only)

  • GPU tray package (1.5.00)

  • nvfw_DGX_260706.1.1.fwpkg

  • nvfw_DGX_251208.1.0.fwpkg

  • nvfw_DGX-HGX-B300x8_260520.1.1.fwpkg

Firmware Versions and Update Duration#

If you are updating from version 26.05.1, the total update duration is approximately:

  • 1h 49m 5s for the motherboard tray using sequential updating

  • 34m 43s for the motherboard tray using parallel updating

  • 10m 13s for the GPU tray using parallel updating

The following tables provide component firmware version information with updated versions highlighted in green.

Motherboard Tray Component Firmware Versions#
Component
Version
Update Duration
from v26.05.1 (MM:SS)

Host BMC

01.01.44

Refer to BMC Changes for DGX B300 Systems for the list of changes.

24:12

Host BMC ERoT

04.0061

00:35

SBIOS ERoT

04.0061

00:29

SBIOS

01.00.08

Refer to SBIOS Changes for DGX B300 Systems for the list of changes.

08:55

CPLD DC-SCM

0.1.1.4

16:37

Motherboard CPLD

0.1.3.1

30:26

Backplane CPLD

0.1.0.8

12:15
Broadcom Gen5 PCIe Switch
(PEX89072-B01)
Switch 0: 0.0.8
Switch 1: 1.0.8
Switch 0: 00:31
Switch 1: 00:30
NVIDIA® BlueField®-3 [1]
(MT_0000001188)

32.47.1088

Intel NIC 1G

3.30

PSU (Delta ECD17010013)
Primary 0105
Secondary 0105
Community 0105
E1.S Drive FW
(Micron Gen5 750-0586-000)

F3MU111

E1S-SW-CPLD

0.1.0.7

14:35
M.2 NVMe
(SKH 750-0605-000)

51092A30

TPM

15.24
GPU Tray Component Firmware Versions#
Component
Version
Update Duration
from v26.05.1 (MM:SS)

VBIOS

97.10.73.00.09

Total: 10:13

ERoT

01.04.0046

HMC

B3-2602-04.0

ConnectX-8

40.48.1126

NVSwitch

35.2014.4784

FPGA

1.54

Firmware Update Procedure#

Refer to Firmware Update Steps.