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[#1]

Hi,

I have a Quadro FX 3800 graphics card. I am attempting to hook up the Spdif connection between the card and the Spdif-out on my motherboard. The motherboard pins are identified (GRND, etc) but the Spdif pins on the card are not.. I have checked the circuit, top and sides of the board; documentation, web search - including the Nvidia and PNY websites (PNY markets the same board). I was wondering if anyone could identify the Ground and Spdif pin orientation from their own setup? (For example.: Is the Ground pin or the Spdif pin closest to the 4 pin mini-din connection located adjacent to the Spdif pins.)

I know a simple solution might be to try the cable in either orientation and see what way provides sound through the display port, but here is why I would rather not: Motherboard Spif > Quadro > displayport > hdmi adapter > video processor > video processor pass-through > receiver. As you can see, I need to ensure proper pin placement first, as there are too many other variables that may be responsible for no audio being produced out of the speakers!

Thanks in advance,

Greg

[#2]

the FX 3800 would somehow need an audio signal connected to the board for it to output audio.   as far as i know, the 3800 does not have an internal audio connector.   i have a 4800 and know for a fact that it cannot output audio over displayport.   i'm sure the rest of the workstation cards are the same.

some of nvidia's desktop cards have a two-pin audio connector on the side of the card that can connect with your sound card to output audio over HDMI.   if you need this feature, perhaps you should consider a desktop card rather than a workstation card.

[#3]

Hi,

The FX 3800 does indeed have a connector. All current Quadro boards, except the  FX 4800 and FX 5800, have a two pin Spdif for output of sound through display port. I am still trying to find out the pin orientation, though.

Thanks,

Greg

[#4]

ahh... i did not know the new cards had audio input.

if the connector isn't labeled with polarity, i'd suggest calling PNY support (800-234-4597) or nvidia support (866-540-1140).   the quadro techs at nvidia are very knowledgeable and usually respond quickly in the event that you have to leave a message.   i've not called PNY yet to know how they compare.