[mythtv-users] Latency timings...

Scott Petler scottp at sonic.net
Sat Apr 15 00:21:24 UTC 2006


Two issues with this:
1) Your device may not support DMA/Bursting, so latency would have no 
meaning.
2) You may have to set this in your bios.



Steven Adeff wrote:
> Couple questions....
>
> 1)
> Is there a reason setpci wouldn't work? I run:
> setpci -v -s 00:0a.0 latency_timer=80
> or
> setpci -v -s 00:09.0 latency_timer=80
> for my two SATA devices  and it shows:
> 00:09.0:0d 80
> but when I check with lspci -v they're both still set to zero?
>
> 2)
> The wiki page doesn't give much help in the advice area as to latency
> values or how to "calculate" them for Myth use (ie DVB cards, etc),
> except to say that your harddrives should have a higher value than
> your PVR card. Anyone have any advice in this area?
>
> --
> Steve
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