That doesn't scientifically make any sense you realise. There's nothing in a cable that prevents its use with a certain card. Let me guess though, one of the S-Video connectors was 4-pin and the other was 9-pin?
Thats what I said... They were both 9 pin.. I dont see why the ATI cable wont work with anything other than the ati card itself.. When I use it on anything else svideo, the colors always distort. I think its the same concept as this: http://www.svideo.com/hdtvaiwr8500.html Ive heard some people tried with nvidia cards and intergrated graphics and got black screens.
That's DVI to Component, that will only work for ATI cards, because it's the card that actually converts the signal from Digital (DVI) to Analog (Component), not the adapter itself. Sorry, I assumed you were converting from a graphics card with a native VGA port, because I'm pretty sure the HD3650 had one.
no I was converting svideo to component, but I was saying that maybe ATI signal converters only work right with ATI cards.