DGX B200 System Firmware Update Guide Version 26.03.1#

Highlights#

Added Support#

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

BMC Fixes#

  • Fixed occasional IPMI hang with NVSM.

  • Fixed debug log collection.

  • Improved BMC performance.

  • Enhanced SEL logging performance and minimized thermal and fan speed monitoring messages.

  • Improved BMC stability.

SBIOS Fixes#

  • No SBIOS fixes for this release.

GPU Tray Fixes#

  • Fixed a vBIOS firmware issue causing Blackwell NVLink GPU hangs and XID 150 errors after 60+ days uptime.

    Refer to GPU Tray Firmware Fixes for details.

The nvfwupd Tool Updates#

Firmware Package Details#

This firmware release supports the following systems:

  • NVIDIA DGX B200

This firmware release supports the following operating systems:

  • NVIDIA DGX OS 7.4.0

  • NVIDIA DGX EL9-26.02

  • NVIDIA DGX EL10-25.11

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:

Components

Sample File Name

Combined archive

DGXB200_26.03.1.tar.gz

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

  • Motherboard tray package (1.4.0)

  • Component package

  • GPU tray transition package

  • GPU tray latest package (1.4.30)

  • nvfw_DGX_260304.1.0.fwpkg

  • nvfw_DGX_260324.1.0.fwpkg

  • nvfw_DGX-HGX-B100-B200x8_250114.1.0.fwpkg

  • nvfw_HGX_DGXB100-B200x8_260317.1.0.fwpkg

If you are updating from version 25.12.1, the total update time is approximately

  • 85 minutes for the CPU tray using sequential updating.

  • 63 minutes for the CPU tray using parallel updating.

  • 10.5 minutes for the GPU tray using parallel updating.

The following table shows the information about component firmware versions.

Component
Version
Update Time
from 25.12.1
(MM:SS)

Host BMC

26.03.03

Refer to BMC Changes for DGX B200 Systems for the list of changes.

24:44

Host BMC ERoT

04.0058

00:34

SBIOS ERoT

04.0058

00:34

SBIOS

1.7.8

08:00

Motherboard CPLD

0.2.1.9

18:15

Midplane CPLD

0.2.1.3

13:31

PSU (Delta ECD16020137)

Primary 0205
Secondary 0201
Community 0204
PSU_0: 02:02
PSU_1: 02:40
PSU_2: 02:38
PSU_3: 02:00
PSU_4: 02:02
PSU_5: 02:29

LiteOn

0.5.0.5

Broadcom Gen5
PCIe Switch
(PEX89072-B01)
Switch 0: 0.0.7
Switch 1: 1.0.7
Switch 0: 00:38
Switch 1: 00:39
Astera Labs Gen5 PCIe Retimer
(PT5161L)

2.07.19

Retimer 0: 02:01
Retimer 1: 02:03

VBIOS

97.00.E4.00.1E

GPU Tray (total): 10:30

NVSwitch (GPU Tray)

35.2014.4770

ERoT (GPU Tray)

01.04.0046

HMC (GPU Tray)

25.05-1-ga35

FPGA (GPU Tray)

1.A1

Astera Labs Gen5 PCIe Retimer (GPU Tray)
(PT5161L)

2.20.20

Intel 10G Ethernet

v3.60

Intel Ethernet Network Adapter
(E810-C-Q2)

v4.50

M.2 NVMe
(Samsung PM9A3)

GDC7502Q

M.2 NVMe
(Micron 7450)

E2MU200

U.2 Kioxia Gen5 CM7

1UET7104

U.2 Samsung
(EVT2 PM1733)

MPK95B5Q

U.2 Samsung
(Gen5 PM1743)

OPPA8B5Q

FRU

0.9

TPM

v15.21/15.23/15.24

Firmware Update Procedure#

Refer to Firmware Update Steps.