[mythtv-users] latest recommendation for VDPAU PCI card

R. G. Newbury newbury at mandamus.org
Tue Oct 27 15:28:10 UTC 2009


Christopher Kerr wrote:
>         With the soon to be released .22, I hope to move to a real video
>         card.
>         Currently I'm using the TV-OUT of a PVR-350. What is the recommended
>         NVIDIA PCI card? Will I run into PCI bus saturation problems if I'm
>         running a PVR-150, PVR-350 and a video card all on the PCI bus?
> 
>  
> The answer to your question is "Nvidia Geforce GT220". But something in 
> your phrasing makes me unsure if it's suitable for your system:
> 
> When you say "PCI" and refer to capture cards on the same bus, it sounds 
> a lot like you mean PCI in the classic sense, rather than the modern PCI 
> Express sense.
> 
> If you're running a legacy system with PCI slots + an AGP slot for 
> graphics (or even no graphics slot at all), you'll be out of luck. VDPAU 
> is only supported on quite recent nvidia cards, which all use PCIe.
> 
> If, on the other hand, your system is relatively newish and has PCI 
> Express slots, the answer to your question is the new GT220.
> 
> Classic PCI ports and PCI express ports don't share the same bus, so 
> that won't be an issue, so long as you have PCI express slots to use. 
> Else, the whole point is moot, because there are no graphics cards 
> available which are suitable.
> 
> If you don't know whether you have PCI Express ports, as a rough guide, 
> they were first released in 2004 and became standard in 2005. If using 
> an Intel processor, you probably have PCIe if it's a Pentium-D or later 
> (Core, Core 2, Pentium Dual Core). If it's an AMD, I can't say off the 
> top of my head. Consult the manufacturers website/manual.
> 
> - Chris

A PCIE slot is about one and half inches (40 mm ) long.

A PCI slot is about 4 inches (100 mm) long.

Geoff



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