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 System BIOS, A00

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 WorkStation 490 A00 System BIOS
Recommended

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Fixes & Enhancements

Initial Release
Read More

Version

A00, A00

Release date

15 Jun 2006

Download Type

System BIOS

Category

BIOS

Importance

Optional
Dell Technologies recommends reviewing this update to determine if it applies to your system. The update contains changes that impact only certain configurations or provides new features that may or may not apply to your environment.
Available formats
File Format: Flash BIOS executable
File Name: WS490A00.EXE
File Size: 536.96 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:
f54d5d5474512355d6c6745be7698e3d
File Format: CPG BIOS Executable for Linux
File Name: WS490A00.BIN
File Size: 360.87 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:
c649096b1cd2077f3df4fa48c38df74a

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

Additional details

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Installation Instructions


The file WS490A00.EXE is using the Hard Drive format and is designed to be directly executed from Windows environments.




    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.





    1. Double click the Icon on your desktop labeled WS490A00.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.





    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 guide

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