mtrr setup?
David A. Bandel
david
Mon May 17 11:42:52 PDT 2004
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On Mon, 6 Jan 2003 10:56:37 -0500
begin Douglas J Hunley <doug at hunley.homeip.net> spewed forth:
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> David A. Bandel spewed electrons into the ether that resembled:
> > What's in your /proc/mtrr file anyway and are you sure you can do
> > better?
>
> reg00: base=0x00000000 ( 0MB), size=2048MB; write-back, count=1
you have 2Gb of memory?
>
> I'm pretty sure that is not optimal
reg00: base=0x00000000 ( 0MB), size= 256MB: write-back, count=1
reg01: base=0xe4000000 (3648MB), size= 64MB: write-combining, count=1
reg02: base=0xdc000000 (3520MB), size= 4MB: write-combining, count=1
IIRC, you can only have one write-back entry, the rest will be
write-combining. Do you have other entries? Those others are the ones
you should worry about.
Ciao,
David A. Bandel
- --
Focus on the dream, not the competition.
-- Nemesis Racing Team motto
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