SoF Posted June 30, 2012 Share Posted June 30, 2012 (edited) Hi, I spent 2 days messing around with 3x 580 GTX but no way to enable Tri-Way Sli in the drivers... CPU: 3770K Board: Asus Maximus V Formula RAM: G.Skill Ripjaws OS: Win 7 64bit, 32bit, Vista 32 bit Driver: 285, 295, 301 DAWHQ(F)LUCK Just show me some board with space enough that is working - I'm on it ^^ Wanna sandwich my 580 ref between matrix...so 3 slots for 1st card, 2 for snd, and 3rd card don't give a damn... Btw: Manual of the Formula only mentions SLI-config but 3-Way CFX...strange EDIT: List of Z77 mainboard with undocumented feature of 3x SLI by HyperSli Asus Maximus V Formula ASRock Z77 Fatality Pro Edited July 2, 2012 by SoF Quote Link to comment Share on other sites More sharing options...
sin0822 Posted July 1, 2012 Share Posted July 1, 2012 Get a board with a PLX8747, without the best you can do is 3-way CF> you only have 16X PCI-E 3.0 lanes there, you can't run SLI with 4x in any slot of the major GPUs Quote Link to comment Share on other sites More sharing options...
snappy1 Posted July 2, 2012 Share Posted July 2, 2012 Get a board with a PLX8747, without the best you can do is 3-way CF> you only have 16X PCI-E 3.0 lanes there, you can't run SLI with 4x in any slot of the major GPUs Um, you can... I was running GTX 285 tri sli yesterday on a Z77 Fatality Pro which doesn't support tri sli. Install the Hyper SLI hack for skt 775, use two small flexible bridges and one vey long flex bridge, no problems Quote Link to comment Share on other sites More sharing options...
SoF Posted July 3, 2012 Author Share Posted July 3, 2012 That was a VERY helpfull trick - running perfectly now http://www.awardfabrik.de/images/stories/sof_oc_stories/3x_gpu_vantage_46346.JPG Quote Link to comment Share on other sites More sharing options...
snappy1 Posted July 3, 2012 Share Posted July 3, 2012 That was a VERY helpfull trick - running perfectly now http://www.awardfabrik.de/images/stories/sof_oc_stories/3x_gpu_vantage_46346.JPG Nice result...saves spending an extra couple of hundred on a new mobo Quote Link to comment Share on other sites More sharing options...
sin0822 Posted July 3, 2012 Share Posted July 3, 2012 ahh nice i didn't know you could do that. Quote Link to comment Share on other sites More sharing options...
SoF Posted July 4, 2012 Author Share Posted July 4, 2012 Nice result...saves spending an extra couple of hundred on a new mobo Yeah, thanks again for the hint! For many old benches 1x or 2x is more effective but I am not sure what happens to 3DM03 past 6500 Also there are still categories in the bot for 3x so let's give them a nice bump with IB Quote Link to comment Share on other sites More sharing options...
K404 Posted November 1, 2012 Share Posted November 1, 2012 Are any special tricks needed with HyperSLI to get tri-SLI working? I just tried it on my UD3H and could only get SLI working Third slot is never included in the SLI and is only running at x1 ??? Quote Link to comment Share on other sites More sharing options...
sin0822 Posted November 1, 2012 Share Posted November 1, 2012 he third slot on the UD3H is routed to the PCH NOT the CPU, the UD5H has it routed to the CPU. What is what you need. You can try asking Pro, i think he got it working at some point. Quote Link to comment Share on other sites More sharing options...
K404 Posted November 1, 2012 Share Posted November 1, 2012 I know next to nothing about multi-GPU configs because I spend so little time with them Am I right in saying that Crossfire doesn't care how the PCI-E lanes are connected, but SLI does? Quote Link to comment Share on other sites More sharing options...
Massman Posted November 2, 2012 Share Posted November 2, 2012 Yeah. SLI requires minimum PCIe speeds to be working, CF just works on everything. Quote Link to comment Share on other sites More sharing options...
K404 Posted November 3, 2012 Share Posted November 3, 2012 I had more "luck" with my UD3H..... at theast that knew there was a third card installed. UD5H only saw two. *sigh* Quote Link to comment Share on other sites More sharing options...
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