Regarding ATI cards, (and i assume this board has such card), you can grab the bios from /proc under linux. That worked for R300/R500 radeon video cards, maybe it still works on more recent ones :
as root: cd /sys/bus/pci/devices/<pci bus id>/ echo 1 > rom cat rom > /tmp/vbios.rom echo 0 > rom Keep in mind, i am not sure it's 100% complete ram bios, but that's what xorg ati devs suggested as steps to dump the bios when identifying some bugs with radeon hardware on linux. 2012/3/12 Andrew Goodbody <[email protected]> > On 11/03/12 05:04, Scott Duplichan wrote: > >> I know of two ways to extract the legacy video option rom: >> >> a) Download the image from the manufacture's web site: >> 1. >> ftp://174.142.97.10/bios/CPU/**E350M1(1.50)ROM.zip<ftp://174.142.97.10/bios/CPU/E350M1%281.50%29ROM.zip> >> 2. Extract the 4MB UEFI image (E350M11.50) >> 3. Use 7-zip (version 9.21 beta) to decompress. >> 4. Hex edit this file: E350M1(1.50)ROM\2\CSMCORE\1.**raw >> 5. Find the start of the video option rom. It starts with >> 55 AA and contains text "AMD Fusion Wrestler generic VBIOS" >> 6. The length is the byte after 55 AA (71) * 200h = E200h. >> 7. Extract E200 bytes starting at 55 AA. >> >> b) When the board arrives... >> 1) Boot MSDOS and start DOS debug >> 2) At the - prompt, enter these commands: >> -n vga.bin >> -rbx >> -1 >> -w >> 3) The option rom is vga.bin in the current directory. >> >> Thanks, >> Scott >> > > a) is good. > b) is just going to get you 64KB of unintialised data. There is nothing in > those instructions to access the video BIOS AFAICT. > > Andrew > > > -- > coreboot mailing list: [email protected] > http://www.coreboot.org/**mailman/listinfo/coreboot<http://www.coreboot.org/mailman/listinfo/coreboot> >
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