> BIOS 1.21 or earlier does not exhibit this problem, *BUT* because of
> event #2, any BIOS earlier than 1.23 will play back audio
> approximately 10% too fast on currently shipping hardware. So we can't
> just backlevel boards to a working BIOS version.
>
> We have alternative sources, and we're working to activate them, but
> it means changing some mechanical bits and that has an annoying
> leadtime.
>
> I've spent many hours comparing BIOSes using AwardMod and a
> disassembler. All the BIOSes I have examined from 1.14 through 1.21
> inclusive have the same VSA code, vsa.vkd, binary identical. 1.22 and
> later have *radically* different code (gx55306.bin) - subroutines
> shuffled around, a lot of changes. Clearly, a hell of a lot more than
> just a little serial Rx code was changed.
Just an idea - maybe applying the audio fix from 1.23 to the code of 1.21, means you only have to find the audio block in 1.23 ? Have you tried talking with the Award bios people, or is Advantechs a unique varaint ?
-jg