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**zander** · 01-06-06, 08:23 AM

@PrakashP: current NVIDIA Linux drivers use the processor's PAT to mark frame buffer and/or AGP aperture mappings write-combined, a MTRR is not installed for the relevant I/O apertures.

01-06-06, 08:23 AM	#13
zander NVIDIA Corporation Join Date: Aug 2002 Posts: 3,740	Re: horrible 2D performance @PrakashP: current NVIDIA Linux drivers use the processor's PAT to mark frame buffer and/or AGP aperture mappings write-combined, a MTRR is not installed for the relevant I/O apertures.