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Advanced VGA Pinout?

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SailorSat:
Hi!
I am trying to connect two Arcade Monitors with Ultimarcs VideoAmp to ONE Videocard.
My problem is quite simple.

Neither my NVidia card, nor my ATI card detect a monitor on the DVI port.
It DOES work if I use a normal VGA Monitor, so I suppose I need to connect more than just R, G, B, H-, V-Sync and GND.
Anyone know which pins i need to connect? I've heard something about Pin 11 connected to GND, but didn't try that one yet.

Thenasty:
Standard Arcade Monitors are 125khz
Pc Monitors Svga/Vga are 31khz+

First you need to drive your Video Card to output the 15khz before you see anything on the Standard Arcade Monitor. Or the easy way (a bit of $$ involve), get yourself an Arcade VGA Video Card.

SailorSat:
Thanks for your reply.
Yeah, my cards output 15KHz on both heads.
Also, an ArcadeVGA won't output 15KHz on the DVI Port :)

Like I said, my only problem is that the cards don't "sense" a monitor with the J-PAC or the VideoAmp.
Multiple Monitors should be visible in your video cards settings, i.e. the Catalyst Control Center.

Thenasty:
I'm assuming your card only has DVI connections. Is there a VGA adapter/converter used ?
If so, some Arcade monitors need the V/H sync separated so, you need the open the half moon shape on the AMP and wire the V/H synch separately.

SailorSat:
Hi.
My cards have one VGA, one DVI and a TV-Out.
Yeah, there is a DVI-VGA Adapter used, thats not the problem.

As soon as I plug a normal VGA Monitor in the system say "Hey! Theres a second monitor".
But it doesn't with the J-PAC or the VideoAmp.

Also, both heads are active on boot, and the DVI disables as soon as Windows loads up.
The ATI card does not detect a Monitor on the VGA connecter either, but I guess they leave VGA enabled as a fallback.

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