[coreboot] Samsung 550 Chromebook own Coreboot
John Lewis
jlewis at johnlewis.ie
Mon Jul 22 18:18:13 CEST 2013
Hey Guys,
Thanks to some pointers that Ron Minnich gave me a few weeks back, I've
been able to debrick my Samsung 550 Chromebook. However, during the time
I waited for my Bus Pirate I started thinking it might be nice to build
my own Coreboot, with a SeaBIOS payload. Now I have a build, but
flashing it with the ChromiumOS version of Flashrom (in the hope of not
overwriting OTP areas) still gives me a brick. I haven't included the ME
firmware or the descriptor, and I'm guessing this is the problem? If so,
how can I extract these from my original copy of the BIOS (I see they
are in there using fmap_decode, but using the syntax for extracting the
BOOT_STUB in the VMX hacking doc on the Chromium website doesn't give me
what I expected. Also do I need a VGA BIOS?
Thanks in advance.
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