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Can i cross fire tree different ATI , 5870 series cards ?

Last response: in Graphics & Displays
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January 30, 2011 10:56:02 AM

how to cross conection tree different ATI , 5870 series cards ?
pls help me i use for mobile phone code calculate gpu

More about : cross fire tree ati 5870 series cards

a c 169 U Graphics card
January 30, 2011 4:49:39 PM

You need a motherboard with 3 PCI-E slots along with an adequate PSU(850W+)
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January 31, 2011 3:36:49 AM

i put 3 ATI , 5870 and i use cross conection after 5 min pc sutdoun
and use 2 ati5870 all ok working
my PSU (550W) i think my power lower
pls help me thanx
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a c 169 U Graphics card
January 31, 2011 5:15:08 AM

Maybe the third card is defective.Do all the cards work fine simultaneously ?
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January 31, 2011 5:17:45 AM

but my one by one all working
pls help me thanx
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a c 169 U Graphics card
January 31, 2011 5:18:51 AM

This topic has been moved from the section Mobile Computing to section Graphics & Displays by Maziar
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January 31, 2011 5:23:37 AM

can u pls tell me wat the problem pls
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a b U Graphics card
January 31, 2011 5:35:22 AM

Maybe your power supply is too low?

Assuming that the 5870 pulls at least 150W:
150W x 3 = 450W

This is only on the 12V rail, which most likely your 550W psu could only produce lower than 450W.

You probably need at least 750W to power the whole thing.
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January 31, 2011 5:39:54 AM

ok i put 1000w coolermaster
and tell u agen
thanx for help
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