[mythtv-users] alternative GPU - graphics
cardswith opensourcedrivers question
spam at homeurl.co.uk
Thu Dec 15 09:44:57 EST 2005
Raphael Pooser wrote:
> Bob wrote:
>> Chad wrote:
>> 8< snip want S3 graphics card with open source drivers but can't find
>> them except on VIA motherboards but would rather not buy a new MB.
>>> As for 'not wanting to get a new motherboard' I wouldn't worry too
>>> much (depending on why you are concerned ;) ). I have found a couple
>>> of outlets where you can grab motherboards with the chipsets that
>>> support unichrome on them for ~20-30 bucks (that's less than the cost
>>> of an Nvidia standalone) that also have a few other niceties
>>> integrated. I know, most of us are probably anti-integrated, but it
>>> really isn't so bad for 25 bucks ;)
>>> Go hunting for a board to suite your needs before ruling it out, you
>>> may be happy with your find.
>> I appreciate the fact that a new motherboard would be inexpensive but
>> I also know the VIA chip-sets have been plagued by DMA problems, have
>> they fixed them? Can you recommend a good VIA board for AMD k7s with
>> Unichrome GPU, Gigabit LAN, P4 style heat-sync mounting holes in the
>> MB and working DMA?
> The KM400 chipset has unichrome. It is the KT400 with the integrated
> graphics added as the only difference. As far as I know the KT400 has
> no DMA issues. In fact, I had 3 via boards and none of them had
> issues. One was an old socket 7 mvp3, one was a kt266, and one was a
> kt400. All handled DMA just fine. I would say you are safe using the
> km400 for this. It's definitely not a guarantee that if you get a via
> board you will have dma problems. Then again, my good experience with
> them won't guarantee you will get perfect boards though. But my
> understanding is it's only with very old chipsets and the problem is not
> so prevalent these days.
> Now, a K7 board with P4 mounting holes, unicrome, AND GB Lan, I have no
> clue about the existence of a board like that as these matx boards
> generally aren't for the cooling-heavy, and hence don't sport the holes.
OK, thanks for the feedback, I’ll keep an eye out for one for testing
and either Freecycle an ECS board as mentioned up ^^ there or more
likely I’ll drop in an Duron 700 I’ve got somewhere and have a go at
setting up asterisk.
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