[flashrom] W836xx : HP Z820 : flashrom -V

Roberto roberto at godenis.com
Sat May 3 23:17:35 CEST 2014


I have been using a layout file but only flashing the bootblock at 0xff000
to 0xffffff.

I will do the full BIOS section and see if there is a difference. Let you
know
On May 3, 2014 2:09 PM, "Stefan Tauner" <stefan.tauner at alumni.tuwien.ac.at>
wrote:

> On Sat, 3 May 2014 14:02:17 -0700
> Roberto <roberto at godenis.com> wrote:
>
> > Timely email, succesfully used buspirate just two days ago. Still
> > struggling though because you lose the Intel ME/ATM functions. The code
> for
> > the ME co-resides with the BIOS code in the flash. But the rest works
> fine.
> > Those functions must be signed with the certificate being stored
> elsewhere.
>
> It does but probably in the 0x00005000-0x0050ffff range as written in
> the flash descriptor (and shown by flashrom). This is pretty much
> self-contained and should remain in a working condition if you leave it
> alone and just tamper with the BIOS region.
>
> --
> Kind regards/Mit freundlichen Grüßen, Stefan Tauner
>
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