Note: If your BIOS-Update tool says that no update is needed, then simply downgrade the Bios first: On Lenovo's drivers download page, the old Bios files are listed at the very bottom of the page. If you really want to do it with a floppy, some tips: BIOS, ECP, CD/DVD and Harddisk firmware disks can be booted over the network with PXELINX as part of the SYSLINUX package.A list of links to firmware downloads can be found at BIOS Upgrade Downloads for most Thinkpad models. This requires that you have a DHCP and tftp server configured and setup properly on your network, and is probably not for the faint of heart.You can also check the Lenovo Support website's driver matrix. Make sure the firmware bootdisk is in linux 'dd' format, as the self-extracting disks from the IBM website cannot be booted directly as such.

If the Flash Memory Writer utility was not able to successfully update a complete BIOS file, your system may not be able to boot up.

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. Contrary to the name, GRUB for DOS works fine on Linux.

If you have Windows on your Think Pad you can just boot into it and follow instructions on the Lenovo website. Follow these steps: Use "geteltorito" to extract the update image from ISO image, downloaded from Lenovo's drivers page.

: The Flash Memory Writer utility is included in the Win Zip format of BIOS file. ) The Flash Memory Writer utility can not be suitable for all ASRock motherboards.

It updates the BIOS by uploading a new BIOS file to the programmable flash ROM chip on the motherboard. Please use the Flash utility which is included in each BIOS file to update its BIOS.

To determine the BIOS version of your motherboard, press [F2] to enter the BIOS setup utility during bootup, and check the BIOS version from the Main menu. Also ASRock motherboard MUST use ASRock's Flash utility to update BIOS, those uncertified BIOS flashing tools will cause motherboard damage.If you encounter problems while updating the new BIOS, DO NOT turn off your system since this corrupt BIOS might cause your system failed to boot up.Updating the BIOS in Linux (with few exceptions) is not officially supported by Lenovo. By following any of the instructions here you are accepting the very real risk of turning your Think Pad into a big expensive paper weight, as a firmware update gone wrong can create unfix-able problems. A user on Notebook Review named 'Middleton' made these alternative BIOSes to enable SATA2 on certain Thinkpad models (X61/T61/R61/X300). Write the extracted image to a USB Flash drive using dd.These Think Pads are limited to SATA1 in their BIOS even though the hardware is SATA2. "geteltorito" is available in Ubuntu (at least in Trusty, 14.04) from package "genisoimage".This is a huge drawback for anyone wanting to use SSDs, because it is so much slower. So, even though Lenovo is now offering "Linux diskette" updaters, that will create a bootable floppy under Linux, using a floppy is still not recommended.Also, it is not possible to install some wireless cards, because only certain models are whitelisted by IBM/Lenovo. See the wikipage Middleton's BIOS for installation instructions, downloads, and more description. Besides, many people don't even have a floppy drive on their Think Pad.