This purpose of this page is to provide an overview of the BIOS upgrade possibilities when running GNU/Linux (or other operating systems for that matter) when you do not have neither Windows nor DOS installed to run the BIOS updates.

  1. Linux
    1. Primary resource is the Linux wiki available here, which will give you automatic updates for at least Ubuntu. However, that repository is not updated with the latest firmwares and may thus not be of much help to you.
    2. If the firmware repository cannot help you, see below.
  2. Other
    1. See below

If you cannot use the repository OR you are on an unsupported platform, follow these steps.

  1. Download the WIndows/DOS BIOS installer for your hardware from
  2. Copy the Windows/DOS BIOS installer to a FAT formatted USB stick
  3. Download the latest SystemRescueCD and burn it to a blank CD
  4. Boot from the CD
  5. Type in "freedos" at the boot prompt
  6. When FreeDOS boots make sure you do NOT load HIMEM and EMM386
  7. Change to the USB stick (typically C: if you do not have any FAT partitions on your HDD)
  8. Run the installer

The above mentioned steps worked for me on a Latitude E6400.