Re: VIA KT133A / athlon / MMX

Steffen Persvold (sp@scali.no)
Mon, 30 Jul 2001 09:15:42 +0200


Gav wrote:
> Just FYI, I've been running 2.4.7-pre6 for a few weeks on a Abit-KT7-a
> (hpt370) that uses the KT133/VIA chipset, with a 1.33Ghz Athlon and the
> kernel compiled for an Athlon.
>
> The machine is now rock solid. I've given it the usual tests, k7burn for 5
> hours, cp'ing 30G+ across drives a few times etc, and all is good.
>
> The broken sound (crackle/pop) with my SB128PCI (same problem as SBLive)
> still didn't go away though, but enabling PCI DRAM PREFETCH on the VT8363
> Bus-PCI Bridge does cure it. This took me a while to find as I can't set this
> in my bios, but powertweak came to the rescue.
>
> While DRAM Prefetch is supposed to be an option to increase performance, my
> sound is totally unusable without this set. I've heard numerous people
> explain the same problem and it would be interesting to find out if this
> cures their sound troubles too. If this is the case, is this something that
> belongs in quirks, or is it too hardware specific? and would enabling this by
> default hurt anything anyway? Or is this just masking the underlaying problem
> ?

Hmm, I think "DRAM Prefetch" is the one you _don't_ want to turn on, because (and correct
me if i'm wrong) it's causing all the problems with the IDE controller (data trashing).

Regards,

-- 
  Steffen Persvold               Systems Engineer
  Email : mailto:sp@scali.no     Scali AS (http://www.scali.com)
  Tlf   : (+47) 22 62 89 50      Olaf Helsets vei 6
  Fax   : (+47) 22 62 89 51      N-0621 Oslo, Norway
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/