So I installed the DX58OG with a Core i7-950 I had lying around from the bench rig. It doesn't overclock for shit! The BIOS setup program has all the options that should let you fine-tune a 4+ GHz stable OC (including VDroop control, clock skews, etc.,) but it simply does not POST with even the slightest shred of deviation from stock settings. My Corsair XMS3 kit has an XMP profile for DDR3-1600 MHz. I leave everything else on stock, and simply select this profile from the BIOS. Restart, and the dreaded memory failure beep sound. The board doesn't post with even 134 MHz BClk! (133 MHz is default) On the packaging, it reads "Designed by Enthusiasts, For Enthusiasts". Horseshit. It's more like "Designed by 55 year old soon-to-retire Intel engineers, for rich noobs who buy Core i7-990X and run it at stock".