I agree with Chozart 100% on DDR3 ram. besides, OCZ are not playing nice with the 790i. I would recommend the eVGA 750i FTW:
Here is a great review showing it running a 470 FSB with a quad core:
These boards run a 500 FSB easily with dual cores:
Originally Posted by mascaras
500 FSB 1:1
Intel E8400 @ 4Ghz (500x8)
Vcore Bios = 1.35v
4GB Gskill PQ @ DDR2-1000Mhz / 5-5-5-15 (Linked)
Vdim = 2.05v
SPP = 1.40v
All other Voltages = AUTO
Windows Vista Ultimate 64bit
Very Good Results , specially the excellent Latency = 47.2ns !!
Special thnks to EVGA for the Sample !
Here it is running 470FSB with a Quad:
Edited by ericeod - 5/15/08 at 4:14pm