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Old 05-21-09, 02:21 PM   #4
zander
NVIDIA Corporation
 
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Join Date: Aug 2002
Posts: 3,740
Default Re: the truth about MTRR's and PAT?

@surfer300ZX: unless you see an error message from the NVIDIA kernel module indicating that PAT support is unavailable/disabled (which shouldn't normally happen), the driver should do the right thing(tm) without modifying the MTRR configuration. If it can't use the PAT, it falls back to MTRRs to the extent possible, in which case /proc/mtrr would reflect any changes made by the driver.
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