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How to setup AMD Quad CrossFireX and CrossFireX

Last response: in Components
December 8, 2012 12:04:54 PM

i have brand new

ASRock 970 EXTREME3 AM3+ AMD 970 SATA 6Gb/s USB 3.0 ATX AMD Motherboard

Supports AMD Quad CrossFireX and CrossFireX

with only 2 PCI Express 2.0 x16

with no onboard video

so how can this board be Quad CrossFireX when there only 2 video card slot's and no onboard video ?

can some one please tell how this work's cant find any infore on this at all the Quad CrossFireX video's i seen are use'ing 4 video card's to get Quad CrossFireX is there something im missing here
December 8, 2012 12:50:54 PM

quad x fire for dual gpu cards such as 7990 x2 = x4 you see?
as i understand it anyway
December 8, 2012 2:00:43 PM

In every generation of radeon graphics card from about 48xx onward there have been a dual processor graphics card, 4870 x2, 5970, 6990, 7990. These are literally two graphics cards built onto a single board and are internally crossfired. If you add a second dual processor card of the same model and link them using the crossfire cable you now have four graphics cards between two boards all linked in quad xfire.

An alternative which is possible in some boards is to populate the x8 and x4 slots with graphics cards as well.