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35 posts

Geek


# 37858 20-Jul-2009 16:34
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Following on from this post: http://www.geekzone.co.nz/forums.asp?forumid=84&topicid=31873

I got a new card from my supplier, same model.  Chucked it in, and now I can watch TV3 in HD with only occasional glitches.  However it's still not doing hardware decoding - CPU is managing to stay under 100% most of the time, but never below 90%.

I am wondering if it could be because my mb has only a PCIE-1 slot, and of course the card is PCIE-2 - I was of the understanding that there was currently no difference bewteen PCIE-1 and 2, it was just that PCIE-2 is faster, but 1 is compatible with 2 and vice versa.

Is anyone getting Windows 7 to decode in hardware HD video on a graphics card plugged into a PCIE-1 slot?
My ATI 3450 card did hd decoding on the same mb and PCIE1 slot...

Any thoughts anyone?

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217 posts

Master Geek
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  # 237875 22-Jul-2009 14:12
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Have you tried intsalling WinXP or Vista and seeing whether you can do HW decoding? That'll at least narrow down the cause of the issue to hardware or software.



35 posts

Geek


  # 237888 22-Jul-2009 14:36
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Windows XP I know of, but what's this Vista you speak of? :)
I had an ATI 3450 installed, and this decoded the same video in hardware (CPU used 1% or less), trouble with the ATI is that while it worked great for Tv1, 2 and 3, it screwed up with channels like C4, tvnz6 and 7 for some reason, which is why I bought the nvidia.
It will Hardware Decode in WinDVD 9, I'm pretty sure, altho not entirely convinced because WinDVD 9 doesn't play the wtv files with the HD content from Media Center.

 
 
 
 


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  # 237928 22-Jul-2009 15:47
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Might have missed it but why are you trying to use a video card plugged into a pcie 1x slot? I wonder if it is a power issue ie it is not getting enough power though the 1x slot.







Media centre PC - Case Silverstone LC16M with 2 X 80mm AcoustiFan DustPROOF, MOBO Gigabyte MA785GT-UD3H, CPU AMD X2 240 under volted, RAM 4 Gig DDR3 1033, HDD 120Gig System/512Gig data, Tuners 2 X Hauppauge HVR-3000, 1 X HVR-2200, Video Palit GT 220, Sound Realtek 886A HD (onboard), Optical LiteOn DH-401S Blue-ray using TotalMedia Theatre Power Corsair VX Series, 450W ATX PSU OS Windows 7 x64



35 posts

Geek


  # 237985 22-Jul-2009 17:26
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Bcos I only have a single PCIE-1 slot - it's not a x1 slot, it's a PCIE generation 1 slot - if that doesn't confuse the matter further!
I don't think it's a power issue - the card works fine in every regard except that it doesn't do hd decoding. It could be, I suppose... That'd be easy to change...

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