Running 2x 4870's, Crossfire Question.

U

Urban Core

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Sep 12, 2008
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First off, Hi. New to the Forum. But I've been a long time lurker and reader.

I am building a new box shortly, ASUS P5Q3 DELUXE, 8 gig of DDR3, but that is beside the point.

I am getting a nice deal on twin 4870's but I want to run 4 monitors. Now I assume, but wish to check, that it is possible to run both of them together and drive all 4 monitors if I do *not* enable crossfire. I've no need for it, I only run older games I mainly want to drive the monitors and have decent 3d capability.

Since I don't run Crysis or any of the new games I don't need or want Crossfire. So am I correct in thinking if I just disable crossfire I can run 4 mons? Inform me oh wise hard-gods.

- Urban Core.
 
No worries. You can actually leave Crossfire enabled and run all four monitors. That's one feature ATI has over NVIDIA but NVIDIA is supposed to be releasing a new driver that will allow for that in the near future.
 
Dan_D said:
No worries. You can actually leave Crossfire enabled and run all four monitors. That's one feature ATI has over NVIDIA but NVIDIA is supposed to be releasing a new driver that will allow for that in the near future.
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Really, I read I could only drive 2 monitors when I had crossfire enabled. Where did you come across this info? Can you link me? I don't doubt you I just want to read up on the details. I am a major multi-monitor whore. :)
 
Dan_D said:
No worries. You can actually leave Crossfire enabled and run all four monitors. That's one feature ATI has over NVIDIA but NVIDIA is supposed to be releasing a new driver that will allow for that in the near future.
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Dan, from many previous chats with existing ATI owners, crossfire multimon only supports displays on the 1st card, hence 2 monitors.

Please, can you confirm either way?
 
why don't you just send a support ticket to ATI and see what they say????:eek::eek:
 
Urban Core said:
Really, I read I could only drive 2 monitors when I had crossfire enabled. Where did you come across this info? Can you link me? I don't doubt you I just want to read up on the details. I am a major multi-monitor whore. :)
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Well I had only heard that you could use multiple monitors with Crossfire enabled. I hadn't heard of any limitations on the number of monitors enabled.

ALL4AMD said:
well if he works for [H] then he is your source

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While this may be true, I do not do video card evaluations. So take what I say with a grain of salt. Normally I bring personal experience to the table when I say something. Again I've never tried more than two monitors with Crossfire so I can't speak to that point with experience. I simply hadn't heard of any limitations on the number of monitors.

SpeedyVV said:
Dan, from many previous chats with existing ATI owners, crossfire multimon only supports displays on the 1st card, hence 2 monitors.

Please, can you confirm either way?
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I can only confirm having used two monitors with it. I haven't tried more.
 
Pretty sure it only works for 2 monitors when using Crossfire, and I'm pretty sure the 2nd monitor doesn't get any special performance perks... it's just the fact that it works without shutting off, displaying stuff on your desktop.
 
So then I can just use the two 4870's without Crossfire enabled correct? Then I should have two independent cards ans that should let me use all four monitors. Right?
 
Two video cards, only two monitors. Been a limitation since the 3800's.
 
Urban Core said:
So then I can just use the two 4870's without Crossfire enabled correct? Then I should have two independent cards ans that should let me use all four monitors. Right?
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If you run dual 4870's in Crossfire you can simply disabled Crossfire in order to run four monitors and then re-enable it when you play games. This will leave two monitors enabled.
 
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