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.

Dell Precision T3400 System BIOS, A11

AUTO INSTALLED This file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.
Precision T3400 System BIOS version A11.
Recommended

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Fixes & Enhancements

1. Cpu microcode update.
Read More

Version

A11, A11

Release date

14 Dec 2010

Download Type

System BIOS

Category

BIOS

Importance

Recommended
Dell Technologies recommends applying this update during your next scheduled update cycle. The update contains changes to maintain overall system health. It ensures that the system software remains current and compatible with other system modules (firmware, BIOS, drivers, and software) and may include other new features.
Available formats
File Format: Flash BIOS executable
File Name: T3400A11.EXE
File Size: 862.4 KB
This is a large file. Depending on your connection speed, it may take some time to download.
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.
MD5:
014be875b45028dbc4e022db1dd87a38
SHA1:
Not available
SHA-256:
Not available
File Format: CPG BIOS Executable for Linux
File Name: T3400A11.BIN
File Size: 619.36 KB
This is a large file. Depending on your connection speed, it may take some time to download.
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.
MD5:
c6d81565176b2fdaf9db9d8b0d456963
SHA1:
Not available
SHA-256:
Not available

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

Additional details

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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

    appears


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

    down Windows, Flash the BIOS, then reboot.     appears.


  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

    located).







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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.


Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting and usage guide.

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