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, 2.6.0

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 390 2.6.0 System BIOS
Recommended

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Fixes & Enhancements

The following changes have been made to BIOS rev 2.5.0 to create 2.6.0:

1. Improve OS licensing handling.
Read More

Version

2.6.0, 2.6.0

Release date

22 May 2008

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: CPG BIOS Executable for Windows/DOS
File Name: WS390-020600.EXE
File Size: 683.05 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. The Universal (Windows/MS DOS) format can be used to install from any Windows or MS DOS environment.
To ensure the integrity of your download, please verify the checksum value.
MD5:
70f8263dc19f610fa1b1fea9926431a9
SHA1:
Not available
SHA-256:
Not available
File Format: CPG BIOS Executable for Linux
File Name: WS390-020600.BIN
File Size: 491.93 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:
0e4e98adb86f2958ffb6ed1bb4fcc76a
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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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.





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 WS390-020600.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 WS390-020600.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 WS390-020600.EXE to a bootable floppy.


  2. Boot from the floppy to the DOS prompt.


  3. Run the file by typing Y:\WS390-020600.EXE (where y is the drive letter where the executable is located).






Need help with BIOS issues?

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

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