mtrr setup?

[David A. Bandel]

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On Fri, 10 Jan 2003 22:09:14 -0500
begin  Tim Wunder <tim at thewunders.org> spewed forth:

> On Tuesday 07 January 2003 8:43 pm, someone claiming to be David A.
> Bandel wrote:
> > On Mon, 6 Jan 2003 10:56:37 -0500
> <snip>
> >
> > 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.  
> <snip>
> 
> Perhaps only one write-back per type of RAM module? I have two sticks of
> RAM, a 512MB and a 256MB and I get
> $ cat /proc/mtrr
> reg00: base=0x00000000 (   0MB), size= 512MB: write-back, count=1
> reg01: base=0x20000000 ( 512MB), size= 256MB: write-back, count=1

yep -- the values jive w/ your memory

> reg02: base=0xe4000000 (3648MB), size=  32MB: write-combining, count=1
> reg05: base=0xe0000000 (3584MB), size=  64MB: write-combining, count=2
> 
> reg02 is my video card. Dunno what reg05 is. I've only got 1 video card 
> installed. I have a SCSI card for one of my CD-RW's, a sound card and a
> NIC.

a PCI host bridge perhaps? (look in /proc/iomem)

Ciao,

David A. Bandel
- -- 
Focus on the dream, not the competition.
		-- Nemesis Racing Team motto
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