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Radeon 4870 and 8800 in late 08 Mac Pro?
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Posting Junkie
Join Date: May 2001
Location: Portland, OR
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It looks like Apple is going to sell the 4870 separately, and I'm wondering about putting both it and the 8800 in my early 08 Mac Pro.
One issue I see though is that I think the lower two slots are my PCI Express 2.0 slots, and the 4870 would block both...
Does anyone see any issues with running both?
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8 Core 2.8 ghz Mac Pro/GF8800/2 23" Cinema Displays, 3.06 ghz Macbook Pro
Once you wanted revolution, now you're the institution, how's it feel to be the man?
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Posting Junkie
Join Date: Nov 2000
Location: in front of my Mac
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Mac Elite
Join Date: Mar 2004
Location: Truckee, CA
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Irrespective of what fits, generally Mac Pros very much do not like running two non-identical graphics cards. Fuggedaboutit.
-Allen Wicks
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Posting Junkie
Join Date: May 2001
Location: Portland, OR
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Originally Posted by SierraDragon 
Irrespective of what fits, generally Mac Pros very much do not like running two non-identical graphics cards. Fuggedaboutit.
-Allen Wicks
In Windows, yes.
I've never had trouble in the past running two different cards in Mac OS X.
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8 Core 2.8 ghz Mac Pro/GF8800/2 23" Cinema Displays, 3.06 ghz Macbook Pro
Once you wanted revolution, now you're the institution, how's it feel to be the man?
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Grizzled Veteran
Join Date: Apr 2001
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Originally Posted by goMac
In Windows, yes.
I've never had trouble in the past running two different cards in Mac OS X.
Agreed. I've got an ATI 2600 and NVidia 8800GT in my Mac Pro working fine. I can drag World of Warcraft windows back and forth between the monitors running off the different cards with no issues, along with Quicktime, iPhoto, and so on.
Booting to Vista results in the 2600 not displaying anything, due to Vista not supporting two different display drivers. XP, and Windows 7 apparently support this properly. Though my attempts with the beta of Win 7 would disable the 2600 if I upgraded the drivers from the version installed by Windows.
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<This space under renovation>
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Grizzled Veteran
Join Date: Apr 2000
Location: Athens, Greece
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So that means that the 2006 (was it 2006??) 2x2.66GHz machines aren't supported?
So our graphics card choices are the extremely old 1900XT and the 8800???? Wow
This is one really f***** up thing to do to your customers....
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Admin Emeritus  Join Date: Oct 1999
Location: Zurich, Switzerland
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Well that and the ATI Radeon 3870, which is a kick-ass card, too. (8800GT is the top gaming card, the 3870 the top Core Image card.)
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Posting Junkie
Join Date: May 2001
Location: Portland, OR
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Errr, I just noticed... the thread topic should read early 2008 Mac Pros. Late 2008 is for the Macbook Pros...
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8 Core 2.8 ghz Mac Pro/GF8800/2 23" Cinema Displays, 3.06 ghz Macbook Pro
Once you wanted revolution, now you're the institution, how's it feel to be the man?
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Grizzled Veteran
Join Date: Apr 2000
Location: Athens, Greece
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I need to check the ATI 3870. I bet it's faster than 1900XT? It should be but you never know about those things.
Any good reading links anyone??
UPDATE: I did some reading and it looks like the 3870 isn't much faster than the 1900XT and in some tests it was slower. I guess I'll just stick to my 1900XT card...
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Last edited by phobos; Mar 4, 2009 at 02:39 AM.
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