A applefanboy4739 macrumors member Original poster Jul 10, 2011 58 0 Sep 25, 2011 #1 just wondering if I could buy a second one and put it in?
miles01110 macrumors Core Jul 24, 2006 19,260 38 The Ivory Tower (I'm not coming down) Sep 25, 2011 #2 Yes, you could.
D digitalhen macrumors regular Jan 10, 2006 221 64 Sep 25, 2011 #3 Check here:- https://forums.macrumors.com/threads/1076970/ It won't work without doing a mod to provide power.
Check here:- https://forums.macrumors.com/threads/1076970/ It won't work without doing a mod to provide power.
BigJohno macrumors 65816 Jan 1, 2007 1,489 627 San Francisco Sep 25, 2011 #4 This guy made it work without the mod. http://www.youtube.com/watch?v=lMiAgsr8m9M
Redneck1089 macrumors 65816 Jan 18, 2004 1,211 467 Sep 25, 2011 #5 Yes you can. You'll need some molex cables to run power from the second optical drive bay to the card, however. I'm doing it in my 2006 Mac Pro with a 5870 and an 4870.
Yes you can. You'll need some molex cables to run power from the second optical drive bay to the card, however. I'm doing it in my 2006 Mac Pro with a 5870 and an 4870.
Z Zwhaler macrumors 604 Jun 10, 2006 7,291 2,046 Sep 25, 2011 #6 Yes but no Crossfire on OSX as far as I know
CaptainChunk macrumors 68020 Apr 16, 2008 2,142 6 Phoenix, AZ Sep 25, 2011 #7 If it were me, I'd play it safe with a PSU mod in the unused optical bay. Apple doesn't publish power rail specs for their PSUs, so to me, it's a shot in the dark over the long term. I would be worried about over-stressing the Molex feed.
If it were me, I'd play it safe with a PSU mod in the unused optical bay. Apple doesn't publish power rail specs for their PSUs, so to me, it's a shot in the dark over the long term. I would be worried about over-stressing the Molex feed.
BigJohno macrumors 65816 Jan 1, 2007 1,489 627 San Francisco Sep 25, 2011 #8 I would be worried about heat with those two 5870's. What is apples next card they are going to up in there?
I would be worried about heat with those two 5870's. What is apples next card they are going to up in there?