[flashrom] W836xx : HP Z820 : flashrom -V

Roberto roberto at godenis.com
Sat May 3 23:02:17 CEST 2014


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.
On May 3, 2014 1:51 PM, "Stefan Tauner" <stefan.tauner at alumni.tuwien.ac.at>
wrote:

> On Thu, 17 Apr 2014 14:55:16 -0700
> Roberto Denis <roberto at godenis.com> wrote:
>
> > BIOS Lock Enable: enabled, BIOS Write Enable: disabled, BIOS_CNTL is 0x2a
> > WARNING: BIOS region SMM protection is enabled!
>
> That's the problem IMHO. See SMM_BWP in the chipset documentation
> (section 13.1.33 in intel document 326200). Short version: if you want
> to write there easily, use an external programmer.
>
> --
> Kind regards/Mit freundlichen Grüßen, Stefan Tauner
>
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