Dell ChengMing 3900/3901 System BIOS

Restart required
Do not turn off your computer or disconnect from the power source while updating the BIOS as this could harm your computer. During the update, your computer will restart and you may briefly see a black screen.

Before updating, please read the installation instructions and important information noted below.
hi testing
Driver Id : 0TFG0
Importance : Critical
Version : 1.29.0, 1.29.0 Latest version Recommended version Latest and Recommended version
Release Date : 08 Aug 2025
Download Type : System BIOS
Category : BIOS
This package contains the Dell system BIOS update. BIOS is a firmware package that is embedded on a small memory chip on the system board. It controls the keyboard, monitor, disk drives, and other devices. This update addresses the Dell Security Advisories (DSA). A security advisory is a statement when a security vulnerability impacts a product, and a remedy is available for the vulnerability.

Download Files

File Format: This file format consists of a BIOS executable file. The Universal (Windows/MS DOS) format can be used to install from any Windows or MS DOS environment.
File Name: ChengMing_3900_3901_01.29.00.exe
File size: 34.55 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 5a53e6a222cc5295e1fa4ace87b4d0b6
SHA1: 76a06b4a138610eda68b1f1bd3cf0fbc92b2612e
SHA-256: ca6cdbcbe1df24cc90da6ed6c3abba6c15edab777b4b4dd221533b7e1af83da0
Download .EXE
File Format: This file format consists of a BIOS Recovery image file. This file is used for the System BIOS Recovery process to recover a system from a corrupted BIOS.
File Name: BIOS_IMG.rcv
File size: 34.53 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 2343d535a60c438cbc0c494a91b536e1
SHA1: f7dd42ef478bff915d50a4cf82c9c0d1b1e2bd27
SHA-256: ef28dafa7b1fac05656382ee45d88d321194ef2ee7c7376d503b2d036ea2460b
Download .RCV