[SeaBIOS] SeaBios for Stout Lenovo X131e chromebook

Inez G inezgarciab at gmail.com
Mon Mar 10 10:49:59 CET 2014


My apologies for posting, if this is the wrong forum.

I would like to add SeaBios to my coreboot.rom (google_stout.2817.52.0) for
a Lenovo X131e chromebook (Celeron 1007u cpu, 4 GB ram, 8 MB Winbond bios
flash chip).

I was thinking of building seabios using the repository at
https://chromium.googlesource.com/chromiumos/third_party/seabios/+/master/src/
and come up with a SeaBios.CBFS file as suggested in the 15th post in
https://plus.google.com/117057264318218846563/posts/FXn39JtNUAa

Since the above article is for a Pixel chromebook, where would I
insert/merge this SeaBios file with the backup.bin file that I read from the
Winbond chip with
flashrom -p internal -r backup.bin -o backup.log

The merged file would be "newrom.bin" which I can then hopefully write with

flashrom -w newrom.bin

In the linked article they suggested 
flashrom -w image.rom -i RW_LEGACY
but that is for the Pixel chromebook (which has the legacy boot).  

The Lenovo X131e does not have legacy boot (so there is no RW_LEGACY
section, just "fallback/payload".  

Should I replace the "fallback/payload"section in my current backup.bin file
with the new SeaBios??






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