Re: Pentium Pro MTRR & Graphics Card

From: Kurt Garloff (
Date: Thu Jan 20 2000 - 20:30:17 EST

On Thu, Jan 20, 2000 at 04:25:58PM +0100, karsten wrote:
> I've noticed an extremly slow Graphics Perfomance on a Pentium Pro Machine
> and rememberd that i have to do something with the Memory Type Range
> Registers to fix this, but i don't know exactly what it was, can
> someone help me ?

Setting up MTRRs won't boost your performance, but you might get a factor of
two ...
See /usr/src/linux/Documentation/mtrr.txt
and check for the framebuffer your PCI graphics with lspci or cat /proc/pci.

Kurt Garloff                 <>		    [Eindhoven, NL]
Physics: Plasma simulations  <>	 [TU Eindhoven, NL]
Linux: SCSI, Security        <>	      [SuSE Nuernberg, FRG]
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