Dell Precision T3400 System BIOS, A11

Precision T3400 System BIOS version A11.

Fixes & Enhancements

1. Cpu microcode update.


Version A11, A11



Release date

14 Dec 2010

Last Updated

03 Nov 2011


Available formats

File Format:Linux
File Name:T3400A11.BIN
Download Type:HTTP
File Size: 619 KB
Format Description:This file format consists of a BIOS executable file. This format can be used to install from Linux.
To ensure the integrity of your download, please verify the checksum value.
Not available
Not available
File Format:Non-Packaged
File Name:T3400A11.EXE
Download Type:HTTP
File Size: 862 KB
Format Description:This file format consists of a BIOS-executable file. To use it, download the file and copy it to a DOS-bootable USB flash drive, then boot the system to the USB flash drive and run the program.
To ensure the integrity of your download, please verify the checksum value.
Not available
Not available

By downloading, you accept the terms of the Dell Software License Agreement.

Installation instructions
Custom Instructions for T3400A11.EXE:

Installation Instructions for the Universal (Windows/ DOS) format

  1. Download file to Desktop

  2. Use one of the methods below to flash the Bios.

Download file to Desktop

The file T3400A11.EXE is using the Universal (Windows/ DOS) format and is designed to be directly

executed from Windows environment.

  1. Click Download now.
    The File Download window appears.

  2. Click the Save button.
    The Save As window appears.

  3. Select Desktop using the drop-down menu to the right of Save in.

  4. Click the Save button.
    A progress meter moves as the download is completed.

  5. If necessary, click X in the upper right-hand corner of the Download Progress Window to

    close it upon completion.

NOTE: Shut down all other applications prior to running the BIOS update utility. The update utility

reboots your system in order to get the new BIOS loaded.

Run the BIOS update utility from Windows environment

  1. Double click the Icon on your desktop labeled T3400A11.exe
    The Dell BIOS Flash window


  2. Click the Continue button.
    The message Pressing OK will close all applications, shut

    down Windows, Flash the BIOS, then reboot.

  3. Click the OK button.
    The system will restart and the BIOS Flash will be completed.

Run the BIOS update utility from DOS environment (Non-Windows users)

NOTE: You will need to provide a bootable DOS diskette. This executable file does not create the

DOS system files.

  1. Copy the file T3400A11.EXE to a bootable floppy.

  2. Boot from the floppy to the DOS prompt.

  3. Run the file by typing Y:\ T3400A11.EXE (where y is the drive letter where the executable is


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Installation Instructions for Linux

  1. If not already logged in as root, change user ID to root.

  2. At the shell, switch to run level 1 by executing "init 1".

  3. Make the update program executable by executing "chmod u+x update_program_name".

  4. Run the update by executing "./update_program_name" from the shell.

  5. Follow the remaining prompts to perform the update.

  6. For help, type "./update_program_name --help" at the shell prompt.

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

This driver has been tested by both the independent software vendor (ISV) and Dell on the operating systems, graphics cards, and application supported by your device to ensure maximum compatibility and performance. Details

Dell recommends applying this update during your next scheduled update cycle. The update contains feature enhancements or changes that will help keep your system software current and compatible with other system modules (firmware, BIOS, drivers and software).