[mythtv-users] VDPAU playback on ION

[Raymond Wagner]

On 1/4/2011 17:07, Richard Morton wrote:
> However, I have found with a Zotac ion A board that it requires two
> DDR800 DIMMS installed to achieve this. The manual states that it is
> preferable to install pairs of memory but doesnt make it any clearer
> than that. I tried 1 x DDR800 and also 2 x DDR667 and this was
> insufficient.

That sounds like the problem with older AMD chips downclocking their 
memory controller when they went idle, and starving the nVidia GPU for 
bandwidth.