Some E8400 Setting That Are 100% Stable On My Board.

CPU Type DualCore Intel Core 2 Duo E8400, 4033 MHz (8.5 x 474)
CPU multiplier 8.5
FSB 1900
RAM Link
RAM 8-8-8-20 @ 1T
CPU 1.4000v
CPU PLL 1.50v
CPU VTT 1.36v
Memory 1.88v In Bios 1.92v Real
NB Core 1.50v
SB Core 1.55v
CPU GTL_Ref0 Auto
Ref 1 Auto
Ref 2 Auto
Ref 3 Auto