[LinuxBIOS] asus A8N-VM CSM

Ward Vandewege ward at gnu.org
Fri Oct 13 23:10:57 CEST 2006


On Fri, Oct 13, 2006 at 09:32:12PM +0200, Stefan Reinauer wrote:
> * Ward Vandewege <ward at gnu.org> [061013 20:37]:
> > Pm49FL004 found at physical address: 0xfff80000
> > Flash part is Pm49FL004 (512 KB)
> > Flash image seems to be a legacy BIOS. Disabling checks.
> > Programming Page: 0007 at address: 0x00070000
> > Verifying flash address: 0x00000008 - FAILED
>  
> oh right after 8 bytes... thats wild, it did not really get far.
> 
> > Tried it a couple of times, same problem each time.
>  
> ok, some timing problem in the code, almost sure. I remember the
> same code worked fine with my PMC4 bios savior... 

It works fine with our bios savior in the tyan boards.

> > > Can you also try and check whether there's something else then 0xff in
> > > the addresses that failed?
> > 
> > How do I do that?
> 
> flashrom -r failed_bios.rom
> xxd -g1 failed_bios.rom|head -10

Ah, ok, of course. Here is the image I'm trying to burn back to the bios
savior:

# xxd -g1 orig.img |head -n10
0000000: ff ff ff ff ff ff ff ff 8c a5 02 00 96 fb 3e 2f  ..............>/
0000010: 10 00 5a aa ff ff 1b 00 00 00 00 00 89 a5 02 00  ..Z.............
0000020: 1f 58 05 00 2d c8 8d de fd d6 24 ae d7 fd fb 7b  .X..-.....$....{
0000030: cc 33 30 c0 73 31 55 15 69 01 a2 ca e4 b6 42 12  .30.s1U.i.....B.
0000040: cd 18 b0 a8 0a ac b6 06 2a e0 08 01 4b f9 ab 95  ........*...K...
0000050: 71 73 37 b1 aa a9 d9 0a 29 9b 67 8f 29 aa e5 c5  qs7.....).g.)...
0000060: f7 8a b5 ce 35 72 e7 b9 29 30 05 26 0e c4 05 39  ....5r..)0.&...9
0000070: 48 2b ce 45 37 38 88 91 7e cb 62 a4 b4 00 04 6f  H+.E78..~.b....o
0000080: ff f6 f0 1a bd f7 9c be ef 75 dd 77 dd 6b bd d6  .........u.w.k..
0000090: bd ef 83 de fd ae eb 5f 6b bd fb c5 fb c5 ef 97  ......._k.......

So; first 8 bytes are all ff.

Thanks,
Ward.

-- 
Ward Vandewege <ward at fsf.org>
Free Software Foundation - Senior System Administrator




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