Asrock extreme6+sli and pcie issues

[Koiking]

I have the as rock p67 extreme6 motherboard (non-b3) running two gtx 480s in pcie slot 2 and 4. I want to install a dedicated sound card. Using slot 6 will cause the gpus to randomly freeze or produce very poor performance. Is this a bandwidth problem or do I need to get a new board with a nf200 controller?Thanks

[fate]

Re: Asrock extreme6+sli and pcie issues

what kind of sound card u want to use? ur windows? ur nVidia driver?

[Koiking]

Re: Asrock extreme6+sli and pcie issues

i'm on windows 7 ultimate

wanting to use a creative titanium HD PCIe sound card

i am using the nvidia 275.33 drivers

currently the gpus are working 100% now. with the sound card it will freeze or crash

[fate]

Re: Asrock extreme6+sli and pcie issues

try to un-SLI and use that soundcard (at the same slot), getting no problem then please pay attention to update UEFI and the vga driver because UEFI is totally new (dunno whether it influence how the board read pci devices especially that board use PLX PEX8608 which is 'special') and nVidia driver sometimes 'confusing'

[fate]

Re: Asrock extreme6+sli and pcie issues

read this dude http://forums.tweaktown.com/asrock/45171-uefi-problem-asrock-880g-pro3.html and i thought u may contact AsRock for a solution - whether it's about UEFI or other matters