testbios loops?
Dave Aubin
daubin at actuality-systems.com
Fri Oct 8 09:43:01 CEST 2004
I got it and here are the results:
daubin at buildserver1:~/tmp/utils> ./romheaders
/common/home/daubin/vgabios-1.rom
Image 1:
PCI Expansion ROM Header:
Signature: 0x55aa (Ok)
CPU unique data: 0x74 0xeb 0x4b 0x37 0x34 0x30 0x30 0xe9
0x4c 0x19 0x77 0xcc 0x56 0x49 0x44 0x45
Pointer to PCI Data Structure: 0x0090
PCI Data Structure:
Signature: 'PCIR' (Ok)
Vendor ID: 0x10de
Device ID: 0x0045
Reserved: 0x0000
PCI Data Structure Length: 0x0018 (24 bytes)
PCI Data Structure Revision: 0x00
Class Code: 0x000300 (VGA Display)
Image Length: 0x0074 blocks (59392 bytes)
Revision Level of Code/Data: 0x0001
Code Type: 0x00 (Intel x86)
Indicator: 0x80 (last image in rom)
Reserved: 0x0000
Platform specific data for x86 compliant option rom:
Initialization Size: 0x74 (59392 bytes)
Entry point for INIT function: 0x50
Can you please help explain this to me:)
Thanks,
Dave:)
-----Original Message-----
From: Stefan Reinauer [mailto:stepan at openbios.org]
Sent: Friday, October 08, 2004 10:49 AM
To: Dave Aubin
Cc: linuxbios at clustermatic.org
Subject: Re: testbios loops?
* Dave Aubin <daubin at actuality-systems.com> [041008 16:35]:
> Hi,
>
> 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
> count=64.
Does the bios have a valid pci option rom signature? (55aa plus the
other stuff, see romheaders utility in the openbios tree)
Stefan
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