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DGX B300 System Firmware Update Guide Version 26.05.1#

Highlights#

Added Support#

  • Provides updated motherboard tray package and GPU tray package, as shown in Firmware Package Details.

  • Enhances CPLD capabilities to detect and log CPU internal errors (IERR).

BMC Fixes#

  • Fixed a minor memory leak in the BMC.

  • Resolved an issue where fan speeds unexpectedly dropped.

SBIOS Fixes#

  • No SBIOS fixes for this release.

GPU Tray Fixes#

  • Fixed an issue where certain URIs were missing after AC or DC power cycling.

  • Resolved v1.4.30 security vulnerabilities.

  • Fixed I2C rising time failure between ConnectX-8 and OSFP transceiver.

  • Fixed ConnectX-8 SPDM measurement failure.

Refer to GPU Tray Firmware Fixes for details.

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_26.05.1.tar.gz

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

  • Motherboard tray package (1.1.5)

  • Component package (TPM only)

  • GPU tray package (1.5.00)

  • nvfw_DGX_260605.1.0.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 26.03.1, the total update duration is approximately:

  • 1h 57m 42s for the motherboard tray using sequential updating

  • 39m for the motherboard tray using parallel updating

  • 10m 54s for the GPU tray using parallel updating

The following tables provide component firmware version information with updated versions shown in bold.

Motherboard Tray Component Firmware Versions#
Component
Version
Update Duration
from v26.03.1 (MM:SS)

Host BMC

01.01.35

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

31:26

Host BMC ERoT

04.0061

00:39

SBIOS ERoT

04.0061

00:37

SBIOS

01.00.06

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

09:19

CPLD DC-SCM

0.1.1.4

16:49

Motherboard CPLD

0.1.3.1

30:35

Backplane CPLD

0.1.0.8

12:24
Broadcom Gen5 PCIe Switch
(PEX89072-B01)
Switch 0: 0.0.8
Switch 1: 1.0.8
Switch 0: 00:37
Switch 1: 00:35
NVIDIA® BlueField®-3 [1]
(MT_0000001188)

32.47.1088

Intel NIC 1G

3.30

PSU (Delta ECD17010013)
Primary 0105
Secondary 0105
Community 0105

LiteON PSU

0.6.0.6
E1.S NVMe SSD
(Micron 9550 Gen5)

F3MU090

E1S-SW-CPLD

0.1.0.7

14:41
M.2 NVMe
(SKH 750-0605-000)

51092A30

TPM

15.24
GPU Tray Component Firmware Versions#
Component
Version
Update Duration
from v26.03.1 (MM:SS)

VBIOS

97.10.73.00.09

Total: 10:54

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.