[plug] video card nonsense

[Beau Kuiper]

On Mon, 31 Jul 2000, Matt Kemner wrote:
> On Mon, 31 Jul 2000, Beau Kuiper wrote:
> 
> > hehe, I probably have the fastest video card with x86free and it is stiill
> > rather slow. (I am talking about my matrox G400) X just isn't fast like windows
> > is fast :-)
> 
> Define "fast"
> 
> my G200 feels faster under X than it does under W98SE
> 
> Have you tagged the G400's RAM as write-combining through /proc/mtrr?
> That gives a _huge_ speed up.

Ah, that explains it :-) I ran out of mtrrs since my system allocates 2 for
main memory (for that classic XT feel, try turning off the write-back mtrr on
the main memory) and another for the agp.

Beau Kuiper
kuiperba at cs.curtin.edu.au