I’ll try to list out the pros and cons of both schools of thought.Feel free to let us know what you think in the comments.So what exactly does the BIOS do and do you need to update it?In this article, that’s what I am going to try and answer.As as computer user, you’ve probably heard of the BIOS by now, which stands for Basic Input/Output System.It’s that blue DOS-like screen that pops up if you press F8 or F2 while the computer is starting. It’s code that is stored on a chip attached to your motherboard and is the first code that is run when your computer starts.
Lenovo/IBM provides firmware upgrades in a variety of packages: The Linux diskette is just the Diskette package that runs on Linux instead of Windows/DOS. On the X22, it worked with ECP 1.30 but not with BIOS 1.32 Lenovo recommends reseting your BIOS settings to their factory defaults after a firmware update.
If you system is running smoothly and everything is working, why take a risk and possible corrupt your BIOS and end up with a dead machine.
Also, I always check the BIOS change log to see what the latest version of the BIOS has to offer.
This page is meant to describe ways to update the BIOS on a Think Pad that only runs Linux for users that don't have ready access to Windows. Follow these steps: Use "geteltorito" to extract the update image from ISO image, downloaded from Lenovo's drivers page.
If you have Windows on your Think Pad you can just boot into it and follow instructions on the Lenovo website. Write the extracted image to a USB Flash drive using dd.