[MPlayer-users] Help setting MTRR
tack at urandom.ca
Mon Nov 27 20:13:21 CET 2006
On Mon, 2006-11-27 at 08:51 -0800, Philip Walden wrote:
> 01:05.0 VGA compatible controller: nVidia Corporation NV5 [RIVA
> TNT2/TNT2 Pro] (rev 15) (prog-if 00 [VGA])
> Subsystem: ASUSTeK Computer Inc. AGP-V3800 SDRAM
> Flags: bus master, 66MHz, medium devsel, latency 40, IRQ 11
> Memory at f5000000 (32-bit, non-prefetchable) [size=16M]
> Memory at fc000000 (32-bit, prefetchable) [size=32M]
> Capabilities:  Power Management version 1
> Capabilities:  AGP version 2.0
> From what I read in most HowTos, I should set it as below, but what
> about that other 32MB memory region? One HowTos I saw says to use the
> last memory address?
> echo "base=0xf5000000 size=0x1000000 type=write-combining" >| /proc/mtrr
Use 0xfc000000, as this is the prefetchable region.
echo "base=0xfc000000 size=0x2000000 type=write-combining" >| /proc/mtrr
If there are problems, dmesg should give you some hints.
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