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Old September 23rd 04, 11:07 PM
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Rez Manzoori wrote:
Hi Folks,

I've been using multi monitor setup for a while now using the GeForce 3Ti500
(Remember when these where the Bees Knees!) for the 21" CRT and a really old
Matrox Mystique PCI card to run a 17" CRT.


Did it work differently with that old setup? Then with ...

The 17" unit has been sold off and a second identical 21" CRT taken it's
place. I'm trying to use the VGA and DVI outputs of the GF3 card to drive
the two 21" CRTs but all I can manage is 2 identical screens... not much
good to me! :-(

I've download 61.77 which tells me multi-monitor is enabled but I still
can't seem to find a way to let me span the screens. I should point out that
the Matrox card has been disabled in Device manager but is still physically
in the machine. Could this be causing it?


A Geforce 3 GPU contains only one RAMDAC. And as far i understand
it, the output from one RAMDAC can possibly be stretched over
several displays or the same output-picture cloned onto different
displays. But to get different independent pictures you need more
RAMDAC's ..

In desperation I've ordered an FX5700LE 256MB DDR TV OUT/DVI from Tekheads
(after the second 21" CRT the budget is stretched!)... am I going to get the
same problems with screen spanning? (by that point I will have taken all the
old cards out)


I don't know the RAMDAC number situtaion in anything then the
GF3-series cards.

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