TroikaTronix Forum: Isadora: General: analog output for macpro


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analog output for macpro

keftaparty
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Sep 3, 2007, 9:16 AM

Post #1 of 2 (842 views)
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analog output for macpro	Can't Post

hello

I have a big problem on my macpro, my graphic cards are 3*7300GT, and it's impossible to have any analog output with this cards. The DVI to analog apple adapter doesn't works.
I'm looking for any solution to transform the DVI signal to analog video. I don't have a lot of money, but I need to have a quite good quality ( colors respected,... )
Has anybody tried the blackmagic Intensity Pro with Isadora as an output card? How does it works (latency,...)?
Is it possible to put two of this cards in a macpro?

Thanx

william
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Sep 3, 2007, 8:43 PM

Post #2 of 2 (829 views)
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Re: [keftaparty] analog output for macpro [In reply to]	Can't Post

Just had this same problem, since Apple isn't manufacturing DVI to RCA/S-Vide adapters for their standard nVidia cards (yet).

For basic scan conversion, I recommend using a simple external device, such as the AV Toolbox AVT-3150 Scan Converter, Mac & PC (HD-15) Input, Composite (RCA) and Y/C (S-Video) Video Output, NTSC rather than swapping out the card entirely.

You will still need to use an Apple DVI to VGA adapter, but then it plugs straight into this scan converter from there. It's a $90USD solution to the problem, and there are other more expensive options out there.

B&H sells it and ships quick - http://www.bhphotovideo.com/c/product/322041-REG/AV_Toolbox_AVT_3150_AVT_3150_Scan_Converter.html

NOTE: this device uses an odd VGA coupling to handle an in and out from the same cable. don't be confused, just plug it in to the box and the male end into the computer. you get rca or s-video composite signal out.

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