these are the bios settings i used for the 556 and 560fsb runs,everything that is blank was left on auto.and the 560 run the mems are running 1:1 using 2.00D and pl10 W/lower vdimm.
http://www.xtremesystems.org/forums/...&postcount=869
Code:Robust Graphics Booster []
CPU Clock Ratio [8]
Fine CPU Clock Ratio []
**********Clock Chip Control***************
CPU Host Clock Control []
CPU Host Frequency (Mhz) [556]or 560
PCI Express Frequency (Mhz) []
C.I.A 2 []
*********Advanced Clock Control**********
CPU Clock Drive []
PCI Express Clock Drive []
CPU Clock Skew []
MCH Clock Skew []
*******DRAM Performance Control********
Performance Enhance [turbo]
Extreme Memory Profile (XMP) [disabled]
(G) MCH Frequency Latch [333] auto for 1:1
System Memory Multipler [2.40B] 2.00D
Memory Frequency [1333]
DRAM Timing Selectable [manual]
CAS Latency Time [5]
tRCD [5]
tRP [5]
tRAS [15]
*******Advanced Timing Control***********
tRRD []
tWTR []
tWR []
tRFC []
tRTP []
Command Rate (cmd) []
***********Motherboard Voltage Control*******
Load-Line Calibration [enabled]
CPU Vcore [1.43]
CPU Termination [1.28]
CPU PLL [1.57]
CPU Reference [0.81]
MCH Core [1.40]
MCH Reference [0.750]
MCH/DRAM Refernce [normal]
ICH I/O [normal]
ICH Core [normal]
DRAM Voltage [2.42] i think.it might have been 2.40. 2.18 for 1:1
DRAM Termination [normal]
Channel A Ref [normal]
Channel B Ref [normal]
Channel Timing Settings
Static tRead Value [9] pl10 for 1:1
tRD Phase0 Adjustment []
tRD Phase1 Adjustment []
tRD Phase2 Adjustment []
tRD Phase3 Adjustment []
tRD 2rd (Differnt Rank) []
tWR 2wr (Differnt Rank) []
tWR 2rd (Differnt Rank) []
tRD 2wr (Same/Difft Rank) []
Dimm 1 Clock Skew Control []
Dimm 2 Clock Skew Control []
DDR Write Training []
Channel Driving Settings
Drive Strength Profile []
Data Driving Pull Up Level []
cmd Driving Pull Up Level []
ctrl Driving Pull Up Level []
clk Driving Pull Up Level []
Data Driving Pull Down Level []
cmd Driving Pull Down Level []
ctrl Driving Pull Down Level []
clk Driving Pull Down Level []
*****************Advanced BIOS Features*********
CPU Multithreading [disabled]
Limit CPUID Max to 3 [disabled]
No-Execute memory Protect [disabled]
CPU Enhance Halt (CIE) [disabled]
C2/C2E State Support [disabled]
C4/C4E State Support [disabled]
CPU Thermal Monitor [disabled]
CPU EIST Function [disabled]
Virtualization Technology [disabled]