Re: K6-2 MTRR Problem

Matthew Vanecek (mev0003@unt.edu)
Fri, 18 Jun 1999 14:37:56 -0500


Richard Gooch wrote:
>
> Michael McLinn writes:
> >
> > It seems something isn't right with MTRR support for the K6-2,
> >
> > I have a K6-2 450, running 2.2.10.
> >
> > When I boot, there is a /proc/mtrr, but it is empty.
> >
> > When I
> > echo "base=0xe8000000 size=0x10000000 type=write-combining" >| /proc/mtrr
> ^^^^^^^^^^
>
> So you have 256 MiB of RAM on you graphics card? Where can I buy one?
>
> Regards,

That would be an awesome card, wouldn't it? ;)

I've a K6-2/350, and it's mtrr's seem to be working fine with 2.2.10.
In rc.local I have:

echo "base=0x0e7800000 size=0x800000 type=write-combining" > /proc/mtrr

which results in:

me2v:reliant rc.d$ cat /proc/mtrr
reg00: base=0xe7800000 (3704MB), size= 8MB: write-combining, count=1

My base address was, of course, taken from my X startup messages.
Perhaps you should look there for the base? and size should equal
whatever the size is on your video card--I think all this is described
in Documentation/mtrr.txt...

-- 
Matthew Vanecek
Course of Study: http://www.unt.edu/bcis
Visit my Website at http://people.unt.edu/~mev0003
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$i=pack(c5,(41*2),sqrt(7056),(unpack(c,H)-2),oct(115),10);'
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