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NVIDIA DGX B300 Firmware Update Guide

NVIDIA DGX B300 Firmware Update Guide

Table of Contents

About Firmware Updates
About the nvfwupd Tool
Version 25.11.2
Firmware Changes
Firmware Update Steps
Known Issues
Introduction to NVDebug

Procedure Reference

Viewing the Installed Firmware and Package Versions
Firmware Update of Motherboard Tray: All Components
Updating Firmware for Individual Motherboard Tray Components
Updating NVMe Device Firmware
Updating ConnectX-8 and BlueField-3 Firmware
Updating the Intel NIC Firmware
Firmware Update of GPU Tray: All Components
Motherboard Tray Sample Configuration
GPU Tray Sample Configuration
Multiple System Firmware Updates
Parallel System Firmware Update
Performing a BMC Factory Reset
Forcing a Firmware Downgrade
Troubleshooting

Previous Releases

Version 25.11.1

Legal Information

Third-Party License Notices
Notices

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NVIDIA DGX Platform
NVIDIA DGX Systems

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Last updated on Dec 04, 2025.