[mythtv-users] 0.19, XvMC, and Prebuffer pause

[Dawning Sky]

On 3/1/06, Dylan R. Semler <dsemler at macalester.edu> wrote:
>
> <http://www.mythtv.org/wiki/index.php/PCI_Latency>
>
>
> I just tried changing the latency on my three machines.  I have two Dell
> 8200 desktops from about 2002 and a Sager laptop from December 2005.  In
> all three machines, the initial IDE latency was 0 and changing it with
>
> setpci -v -s 00:1f.1 latency_timer=b0 (or any other value)
>
> did not seem to do anything.  At least lspci -v continued to display
> their latency as 0 (I have not been able to test this with Myth yet).
> Furthermore, I found that if tried this command on ANY controller whose
> intial latency was 0, the command did nothing.  If the initial latency
> was not zero, the command would change the latency to the desired
> value.  I Also tested that if a controller ititially had a non-zero
> latency, and I changed it to zero, I was still able to change it back to
> other values.  I have no idea why this is or what can be done, but I
> thought I'd add some more datapoints to the set.  If anyone wants the
> maker of these mobos, I can probably find that out somehow.
>
> Dylan
>

Ditto here.  Dell Dimension 8250 P4 2.4GHz Intel 828 chipset.

DS
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