[flashrom] Need help with failed flash. part 2.1

[simon]

Den 13-11-2012 14:06, Stefan Tauner skrev:
> On Tue, 13 Nov 2012 11:33:32 +0100
> Simon Riget <simon at paragi.dk> wrote:
>
>> Biso was flashed with backup and are hopefully restored.
>>
>>
>> flashrom -p internal -V: http://paste.flashrom.org/view.php?id=1442
>> lspci -nnvvvxxx: http://paste.flashrom.org/view.php?id=1443
>> superiotool -deV : http://paste.flashrom.org/view.php?id=1444
>> flashrom -p internal -r readout.rom:
>> http://paste.flashrom.org/view.php?id=1445
> as discussed on IRC it is believed that the chip's "boot block lockout"
> is enabled and not possible to be disabled by software and that it is
> safe to update the bios by only writing to the unprotected parts.
>
> flashrom supports writing arbitrary address ranges out of the box
> (reading, verifying and erasing support has not been merged though).
> to do so one has to tell flashrom the flash "partition table" with the
> help of a layout file. please consult the manpage about the details for
> example how to select an address range to operate on.
>
> your layout file should look like this:
> 00000000:0003bfff main
> 0003c000:0003ffff bootblock
>
> and you want to flash the main part only. presuming that the layout
> file is named "layout.txt", you will probably want to execute something
> like this:
>
> flashrom -p internal -V -l layout.txt -i main -w <imagename>
> it should say verified at the as you have seen already. if it does not
> for any reason, but tell you the "unknown state" message, please write
> the backup again. you should always be able to go back to this safe
> state, as long as you dont reboot.
>
> if it says verified then the new contents mixed with the old bootblock
> are written correctly. as i explained to you we are not 100% sure that
> his is a legit state, but have little doubt and you can reboot then.
>
Result:
The flashrom program terminated succesfully
The BIOS settings where wiped. (Reinstated with BIOS setup)
The mashine can boot

However the BIOS version are still the same and I have seen no other 
signs that the BIOS was upgraded.





-- 
Simon Rigét
Kløvermarksvej 17
Annisse
3200 Helsinge
Tlf. 4096 8217
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