From: Dave Jones <davej@redhat.com>
To: dleonard@dleonard.net
Cc: Mark Watts <m.watts@eris.qinetiq.com>, linux-kernel@vger.kernel.org
Subject: Re: Via KT400 agpgart issues
Date: Thu, 14 Aug 2003 19:50:03 +0100 [thread overview]
Message-ID: <20030814185003.GC10901@redhat.com> (raw)
In-Reply-To: <Pine.LNX.4.31.0308141129130.4489-100000@nymph.dleonard.net>
On Thu, Aug 14, 2003 at 11:53:02AM -0700, dleonard@dleonard.net wrote:
> For my geforce3 and geforce4 I didn't notice anything odd about using the
> KT400 chipset in spite of agpgart not fully supporting it.
KT400 has two modes of operation. If you have an AGP 2.x graphics card,
the registers are in the same place they are on earlier VIA chipsets.
If you plug in an AGP 3.x card, you have to read from alternative
registers, and some of the legacy ones change meaning.
Dave
--
Dave Jones http://www.codemonkey.org.uk
prev parent reply other threads:[~2003-08-14 18:50 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-14 9:25 Via KT400 agpgart issues Mark Watts
2003-08-14 10:50 ` Rahul Karnik
2003-08-14 18:48 ` Dave Jones
2003-08-15 7:59 ` Mark Watts
2003-08-15 11:07 ` Dave Jones
2003-08-14 18:53 ` dleonard
2003-08-14 18:50 ` Dave Jones [this message]
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