Re: FB and MTRR

Richard Gooch (Richard.Gooch@atnf.CSIRO.AU)
Wed, 5 Aug 1998 20:31:19 +1000

Martin Mares writes:
> Hello,
>
> > Isn't it a bad idea to touch the old VGA registers? I thought it was
> > better to use the new PCI space registers (so you can support multiple
> > heads)?
>
> Unfortunately, different PCI video cards have different register
> addressing :(

Sorry, I'm missing the significance of that. My point was that the old
VGA registers mapped to < 1 MByte limit you to one card, so would it
not be better to have the FB code access the registers mapped to the
PCI space?

Regards,

Richard....

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