6 Video cards at once

I'm working on putting together a SETI@Home rig and want to run 6 8800 GTs on one motherboard. So far the GIGABYTE GA-990FXA-UD7 is the only motherboard that might work. There website says it has 2 slots that run at x16, 2 that run at x8 and 2 that run at x4 with support of Quad SLI, but I can't seem to find if you can really use all 6 PCIe slots at once.

So does anyone know if the GIGABYTE GA-990FXA-UD7 could run 6 8800 GTs at once?

LOL... First 4, now 6? And a duplicate thread... ;p

I beleive you can do that, but wont some of those slots cut back to 1x with others populated?