GeForce Dual Head AND TV-out
I have been using a GF 4 MX for 1 Head and TV-out and another GF 4 for a second head. I just recently bought a GeForce FX 5600 card.
I have been trying to get a dual vga setup with tv-out working..... not successful.
Is it because TwinView only works with two displays? I have tried setting up 2 independent heads with tv-out on one but X-Windows just locks up......
I've tried using TwinView on one head and just a crt on the other.... I guess I'm just going to have to put my pci GF 4 MX back in my box.... any help please....
I've been wondering a similar thing... I have the DVI as one display (through a CRT converter) and the CRT as another display... is it possible to have TV-out as well? Maybe on resolution changes? I know it's TwinView, but I was hoping triplets might be in the cards (to make a bad pun)
There are only two DACs in GeForce4 GPUs. This means only two displays can be driven simultaneously. Thus, a dual-VGA card can drive VGA+VGA or VGA+TV, but never VGA+VGA+TV.
Likewise a DVI+VGA+TV card can drive only two displays at the same time. Because NVIDIA TV output is always on DAC B, the port that shares DAC B with TV cannot be used with TV. Some VGA+DVI+TV cards can do VGA+TV and others can do DVI+TV, but you'll never find a NVIDIA card that can do VGA+TV also capable of DVI+TV.
What I find really bogus is when a VGA + TV card has both TV and VGA on DACB. I have a number of GeForce2 and GeForce4 cards that can't do VGA+TV because both are on DACB and nothing is connected to DACA.
EDIT here's a post I made a while back to help explain nView.
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