Can someone please explain this VGABIOS Error

Li-Ta Lo ollie at lanl.gov
Thu Jul 15 10:27:00 CEST 2004


On Thu, 2004-07-15 at 08:01, David Aubin wrote:
> Hello,
> 
>   I got the testbios built and tried it and got the following error
> doing:
> ./testbios -d 0x200 -t vgabios.bin
> 
>   I made my vgabios.bin by doing:
> dd if=/dev/mem of=vgabios.bin skip=1536 count=128
> 
> The error is:
> c000:00dc 6e                  OUTSB
>         AX=1cff  BX=ffff  CX=ff00  DX=60ac  SP=fff4  BP=0000  SI=0002 
> DI=0002
>         DS=0040  ES=0000  SS=0030  CS=c000  IP=00de   NV UP DI PL NZ
> NA PE NC
> c000:00dd f4                  HALT
> halt_sys: file ops.c, line 9804
> halted
>         AX=1cff  BX=ffff  CX=ff00  DX=60ac  SP=fff4  BP=0000  SI=0002 
> DI=0002
>         DS=0040  ES=0000  SS=0030  CS=c000  IP=00de   NV UP DI PL NZ
> NA PE NC
> c000:00de 6e                  HALT
> 
> 
> Can someone please explain this error to me and how to possibly fix
> it?
> 

It means there was NO ERROR. It ran perfectly. If it is the case, you 
should see acrambled screen at this point. 
 
> I have a Tyan mb with a 2885 chipset.  AMD64 chip.  And an Nvidia FX
> 5950 video card.
> Any help would be appreciated:)
> 

The correct command line would be:

   ./testbios -s 65536 -d 0x200 -t --abseg /dev/mem ../nvbios.bin

BTW, you need recent CVS tree to make it work on s2885.

Ollie

> Thank you,
> Dave




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