testbios loops?

Dave Aubin daubin at actuality-systems.com
Fri Oct 8 09:17:01 CEST 2004

  I went back to trying to get the Nvida 6800gt card's bios, but still
even with dd -if=/dev/mem of=vgabios.rom skip=786432 bs=1 count=32768
I get the same binary as dd -if=/dev/mem of=vgabios.rom skip=1536
I used dhex (free util) to verify they are the same.
  What happens when I run them trough testbios is that once it is done
0xc7fff it jump to 0x9 something or other and the video bios isn't
programmed correctly.
My iomem looks like this:

00000000-0009fbff : System RAM
0009fc00-0009ffff : reserved
000a0000-000bffff : Video RAM area
000c0000-000c7fff : Video ROM
000f0000-000fffff : System ROM
00100000-1ffeffff : System RAM
  00100000-002b00be : Kernel code
  002b00bf-003d78bf : Kernel data
1fff0000-1fffefff : ACPI Tables
1ffff000-1fffffff : ACPI Non-volatile Storage
c9f00000-c9ffffff : PCI Bus #01
ca000000-ca0fffff : PCI Bus #02
ca100000-ca1fffff : PCI Bus #03

  Any ideas as to what is wrong?




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