Trifire setup - General Question Tags: Radeon Crossfire Catalyst Graphics Last response: February 13, 2011 2:55 AM in Graphics & Displays Share ubercake February 6, 2011 12:23:22 PM I have 11.1a catalyst drivers (11.1 won't install on my crossfire setup, though it works just fine on my single card setup). I just added another 5850 to my setup. So I now have 3 5850s on an X58A-UD3R motherboard. When I go to the crossfire settings in the AMD catalyst software, it gives me the option to use '2 GPUs (6 9)' for crossfire or '3 GPUs (6 9 4)' for crossfire. What do the numbers (6 9 4) mean? Are they channels of some type? IRQs? DMA channels? Thanks to anyone providing the answer. More about : trifire setup general question ubercake February 7, 2011 2:12:05 PM The other possibility I thought of is they could be PCIe link assignments or designations? Anyone? ubercake February 11, 2011 5:38:31 PM I sent an e-mail message to ATI support asking this same question... Still waiting for an answer... Related resources Gaming Rig crossfire vs trifire - Forum Trifire 4870 benchies fc2... - Forum 5870 Trifire vs 5970 Xfire vs GTX480 SLI Performance Heat and Noise? - Forum Tri-fire hd7950 pulled the trigger!!!!!!!!!!!!!! - Forum Performance Gaming - CF to TriFire - 1 to 3 monitors - $2k+ - Forum Can't find your answer ? Ask ! Get the answer ubercake February 12, 2011 1:34:44 PM Additional info: When I switch to 2 GPUs, the numbers in parentheses change to (7 10) and my choice for 3 GPUs changes to '3 GPUs (7 10 4)'. ubercake February 13, 2011 2:55:22 AM More info... Now I re-enabled the '3 GPUs (7 10 4)' option. Everything works fine, though the numbers in parentheses have changed... Anybody? Can't find your answer ? Ask ! Publish Related resources: ForumPCIe bottleneck in trifire ? ForumGigabyte Odin 800W GT Tri-fire possible? ForumTrifire 4870 & 4 monitors Forum4870X2+ 4870 1GB Tri-Fire Benchmarks! Now with Quad Core results! ForumGTX 690 to 7970 TriFire ...? ForumGeneral Setup Question ForumGeneral Setup Question ForumGeneral Multi Monitor Setup [eyefinity/surround] Forum2550k for $150 or 3570k for $230? ForumJust bought a 7970... ForumNoob graphics card question prior to new card purchase Forum[Solved] 6870 crossfire question Forum[Solved] Reverted Back to ATI 10.5 drivers for my crossfire setup to see gains Forum[Solved] Help With question ForumBasis question More resources Read discussions in other Graphics & Displays categories Ati GPUs Graphics Cards Gtx HD Monitors SLI Crossfire Tuner Cards Radeon Video Diamond Multimedia Matrox Nvidia Palit PowerColor Asus Games !