[coreboot] cmos.layout, nvramtool, options

Joseph Smith joe at settoplinux.org
Mon Oct 6 04:26:31 CEST 2008

On Sun, 5 Oct 2008 17:00:31 +0200, Uwe Hermann <uwe at hermann-uwe.de> wrote:
> Hi,
> please checkout
> http://www.coreboot.org/Nvramtool#Commonly_used_CMOS.2FNVRAM_options
> where I tried to document all CMOS/NVRAM options coreboot v2 currently
> recognizes and uses in the code, as well as options used by FILO and
> Etherboot. Any other payloads using NVRAM bits which I missed?
> The option table in the wiki may not be complete yet, and it's also
> missing a lot of documentation about what the options actually do,
> and which boards/chipsets are able to make use of them etc.
> Please help filling in the blanks.
Great work Uwe: -)
This is the kind of thing I was asking for. One question though, does it
matter what bits/bytes are used for each value? Or does it not matter? If
it does we should list that in the table also?

Joseph Smith

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