This is what I have and how I did it. I'm sure its not the best way to do it, but it has resulted in a ~20% processor utilization, no locks, not jumps, no blank recordings and a smooth as glass playback.
HARDWARE
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SOYO Dragon Lite (VIA KT333) MoBo
Athlon 1.3 GHz T-Bird
256 MB PC2100
On-Board C-Media 8738 4-channel audio
NVidia GeForce 4 MX 400 64 MB w/ TV out
WinTV PVR-250
Maxtor 160 GB 7200 RPM 8MB HDD
Intel 10/100 PRO NIC
SOFTWARE (In order)
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KnoppMyth Auto Install mode w/ defaults all the way.
install-i686-l
install-nvidia.sh
Fixed the Zaplistings.pm file (see
http://mysettopbox.tv/phpBB2/viewtopic.php?t=138 )
Edited the XF86Config-4 (see
http://mysettopbox.tv/phpBB2/viewtopic.php?t=653 )
Edited .fvwm2rc (see
http://mysettopbox.tv/phpBB2/viewtopic.php?t=570 )
Updated to Myth 0.14 (see
http://mysettopbox.tv/phpBB2/viewtopic.php?t=629 )
/etc/init.d/gdm stop
wget
http://download.nvidia.com/XFree86/Linu ... 0-4363.run
export IGNORE_CC_MISMATCH=1
sh NVIDIA-Linux-x86-1.0-4363.run
accept the agreement and have it install...
apt-get install xine-ui libxine-dev
Change mythdvd to use xine
Uncheck use MPEG-2 HDWR decoder in playback settings in Myth.