[flashrom] Phoenix BIOS with NVIDIA MCP55 ROM MAC Address Help Needed

compevo communications customer-support at compevo.com
Fri Aug 21 04:22:54 CEST 2015


Thank you Rudolf!
Our team was able to solve it by using two dumps and comparing them.


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On August 18, 2015 6:17:06 AM PDT, Rudolf Marek <r.marek at assembler.cz> wrote:
>Hi,
>
>You can try to use
>
>https://github.com/coreboot/bios_extract/blob/master/change-mcp55-mac.pl
>
>But! First you need to change it accroding to romstrap tables position
>see
>
>coreboot/src/southbridge/nvidia/mcp55
>
>See romstrap.inc/romstrap.ld
>
>Question is if the legacy BIOS has a checksum of bootblock or not...
>
>Or, you can try to find the MAC in the image and then change it and see
>if the
>machine still boots...
>
>Alternatively you can check dumps from 2 machines to see where the
>checksum is...
>
>Thats all I can do for you
>
>Thanks
>Rudolf
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