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Most video cards include two outputs that you can install a dual-monitor system using a single card. I've never heard of doing this with two separate cards.
It's much more efficient to use a single video card and an extended desktop.
Yes, I understand. But I actually have arranged three 24" 1920x1200 monitors into one large desktop, so I needed the two cards.
Sorry, I can't help you then.
Over in the Premiere Pro area (or maybe it was in the Hardware section... didn't pay a lot of attention 'cause it really didn't matter to me) I read a message about using two nVidia cards with no problems (other than no dual-card SLI support)
I **think** that was with two SAME model nVidia cards
And, of course, PPro is completely different code, so PreEl may simply not work with two nVidia cards
It might depend on which monitor you show moving video in.
Make sure you have monitor 1 as your primary monitor for a start
I have an older computer with a single 760GS dual card that crashes with some videos using even Windows Media Player showing in other than the 'first' screen position.and enabled as the primary monitor.
It will even crash as I drag the picture over to the other screen.
Also what could be monitor 1 can become another monitor number when you add another monitor depending on what port you had plugged the first one in before you turned the computer on. 2 can become 1 if you start the computer without a monitor in port 1. ! & 3 should be the ports furthest away form the motherboard.
I have had many problems in the past mixing different cards even though they 'use' the same driver so I always use the same dual cards. (I have installed many with 6 monitors used ot advertising purposes without any problem)
Do you have your dual cards setup as SLI, or Cross-fire? If so, those schemes do cause all sorts of issues with Adobe products.
No, they're not Cross-fire or SLI. And I'm running PRE9 on the first
screen. I have no troubles running Photoshop CS4 or CS5 this way...just
I've got 4GB of memory, too. I'd been warned about PRE 8 and 9 on
NVIDIA-based systems, but of course didn't think it would happen to me, so I
went ahead and ordered the product anyway. I guess I'll edit the current
little project on the single monitor configuration, and then just stop using
PRE9. It's a hassle switching back and forth because I also have to go
delete the dreaded BadDrivers.txt file, too. But thanks for all the
suggestions. Maybe Adobe will get it together in a few months and it'll be
worth trying again.
Steve has mentioned most of the limitations of dual/multi-monitor setups with PrE. With some exceptions, things work well.
Now, I run PrPro on a dual-monitor with nVidia Quadro FX 4500, with no issues, what so ever. My PrE is on my laptop only, so I am not running dual-monitors there.
Good luck, and thanks for ruling out SLI/Cross-fire.