Re: Multimedia Performance
David Steinberg wrote:
>
> On Tue, 2 Jan 2001, Philipp Schulte wrote:
>
> > From all I have heard the missing pentium optimizations shouldn't make
> > much difference.
> > You should check if your HD is working in UDMA-mode
> > $hdparm /dev/hda
>
> Hi Phil,
>
> Thanks for replying. From hdparm...
> using_dma = 1 (on)
>
> > because this is what the patch is ment for. I don't need the IDE-patch
> > on my Athlon-system, I just do a "hdparm -d1 -X68 /dev/hda" in my boot
> > scripts and it works.
>
> As I understand it, the Viper chipset isn't supported without the patch.
> I found that if I tried to do "hdparm -d1" without it, nothing happened.
>
> Are you using that chipset, or some other disk controller?
I've not seen the Viper explicitly supported except through Hedrick's
ATA patch, but using the following:
$ hdparm -c1 -d1 -X67 -k1 /dev/hdX
Should set you into ATA33 mode, even without the patch. It's been a
while since I've used a Viper board every day, but I can look into it a
bit. Note that -d1 does not always set 32bit I/0, so forcing -c1 is a
good idea, and -k1 is an even better idea, since IDE resets are common,
and often go without notifying root or the message log. You should not
be able to use -X68 without the patch, since the Viper was never meant
to do ATA66 in the first place, and Andre's ATA66 patch is a hack that
just /happens/ to work on most boards.
--
-=|JP|=- "Why, oh, why didn't I take the blue pill?"
Jon Pennington | Atipa Linux Solutions -o)
jpennington@atipa.com | http://www.atipa.com /\\
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