I ported Coreboot to the Thinkpad X270!
Posted on: 2026-02-20T17:39Z Tags:
In my post from 2026-02-18, I committed myself towards helping work on coreboot + libreboot with the goal of porting it to the X270. It’s less than a week later and I have done it. My X270 is a 20HM model and this means that it is a Kaby Lake CPU (and chipset), not Skylake.
§ The process
I started by dumping the BIOS image from the X270, initially for two reasons (although there are more):
to have a backup in case anything went wrong
to obtain the Intel Management Engine section to produce deltas for deguard
Remaining reasons that are important later are:
the GbE section of the BIOS is necessary for ethernet
the IFD (Intel Flash Descriptor) is necessary for producing a finished image
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