[OpenBIOS] sorry to ask this again
James
james at tbp.berkeley.edu
Tue Apr 4 18:36:22 CEST 2000
> By virtue of the fact that two cards cannot share a single VGA region,
> you can only init a single card. So that makes perfect sense. The
> standard BIOS reaction to multiple video cards is to -not- execute the
> BIOS init sequence for secondary/tertiary cards, but to instead disable
> their MMIO and PIO decoding altogether. This is why XFree86 must map
> and execute the video BIOS for a secondary card, before it can be used
> as a secondary head.
I am curious: Does XFree86 drop _back_ into 16-bit mode to initialize
the second video BIOS?
- James
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