On Mon 11 Dec 00, 7:44 PM, Nate Amsden said... > Peter Jay Salzman wrote: > > > > dear all, two questions. > > > > 1- is there a resource on the web that explains how to correctly set up > > your MTRR's? > > didn't know you had to..i just enabled support and left it at that :) after digging around for a bit, i found the answer to this. enabling mtrr's vastly increased by quake3 performance. i have now officially broke the 40fps barrier. :-) hooray! for my system, the appropriate command is echo "base=0xe8000000 size=0x4000000 type=write-combining" >| /proc/mtrr which produces mtrrs at: $ cat /proc/mtrr reg00: base=0x00000000 ( 0MB), size= 128MB: write-back, count=1 reg01: base=0xe8000000 (3712MB), size= 64MB: write-combining, count=1 this is for a voodoo5/5500 with 64MB of video ram. thanks for the tips and tricks info. i'll go check it out right now! pete
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