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Extracted it via
echo 1 > /sys/devices/pci0000:00/0000:00:02.0/rom cp /sys/devices/pci0000:00/0000:00:02.0/rom vgabios.bin
That's your problem. ROM needs to be extracted, not dumped. You can workaround immediate problem by disabling checksum in SeaBIOS but dumped oprom for intel is not fully functional, i.a. LCD stays black with windows.
I already experienced buffer artifacts and wrong colors - quite unusable ..
As written in docs[1] i assumed this should work this way.. :-/
What is the difference between dumped and extracted vbios?
What is the correct way to extract a fully working oprom? Via bios-extract i just get:
Using file "bios-dump.rom" (4096kB) Error: Unable to detect BIOS Image type.
[1] http://www.coreboot.org/VGA_support#Retrieval_via_Linux_kernel
Best regards,
n3ph
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