Re: K6-2 MTRR Problem

H. Peter Anvin (hpa@transmeta.com)
16 Jun 1999 09:44:55 GMT

Followup to: <199906160823.SAA04602@vindaloo.atnf.CSIRO.AU>
By author: Richard Gooch <rgooch@atnf.csiro.au>
In newsgroup: linux.dev.kernel
>
> 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,
>
> Richard....

The standard AGP aperture is 256 MiB; doesn't mean that the card
actually has that much. However, please note that the base address
(0xe8000000) and the size (0x10000000) are incompatible!

-hpa

-- 
"The user's computer downloads the ActiveX code and simulates a 'Blue
Screen' crash, a generally benign event most users are familiar with
and that would not necessarily arouse suspicions."
-- Security exploit description on http://www.zks.net/p3/how.asp


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