Not my results (as my build hasn't started), but I found this post on another forum (xtremesystems.org). Hope it helps:
AI Tuning: Manual
Nvidia GPU Ex: Disabled
LinkBoost: Disabled
FSB - Memory Clock Mode: Unlinked
FSB - Memory Raio: If unlinked used above...then this should default to AUTO.
FSB (QDR), Mhz: 1600mhz
MEM (DDR), Mhz: 1000mhz
Vcore Voltage: Depends on your cpu really...but mine is stable at 1.36
Memory Voltage: Depends on your memory...mine is at 2.2v
1.2v HT Voltage: 1.4v
NB Core Voltage: 1.45v
SB Core Voltage: 1.5v
CPU VTT Voltage: 1.45v
DDRII Controller Ref Voltage: AUTO
DDRII Channel A Ref Voltage: AUTO
DDRII Channel B Ref Voltage: AUTO
(these settings is totaly up to your memory...start with slack timings and work your way down.)
tCL (CAS Latency): 4
tRCD: 4
tRP: 4
tRAS: 10
Command Per Clock (CMD): 2 clock (2T)
Advance Memory Settings
tRRD: AUTO
tRC: AUTO
tWR: AUTO
tWTR: AUTO
tREF: AUTO
Async Latency: AUTO
CPU Spread Spectrum: Disabled
PCIE Spread Spectrum: Disabled
MCP PCIE Spread Spectrum: Disabled
SATA Spread Spectrum: Disabled
LDT Spread Spectrum: Disabled
CPU Internal Thermal Control: Disabled
Limit CPUID MaxVal: Disabled
Enhanced C1 (C1E): Disabled
Execute Disable Bit: Enabled
Virtualization Technology: Disabled
Enhanced Intel Speedstep Tech: Disabled
LDT Frequency: 4x
(you can gain som performance if you got an "NVIDIA" card buy tweaking these)
PCIEX16_1 Frequency (Mhz): 115-120
PCIEX16_2 Frequency (Mhz): 115-120
PCIEX16_3 Frequency (Mhz): 115-120
SPP<->MCP Ref Clock, Mhz: 205
(original post at
http://www.xtremesystems.org/forums/showpost.php?p=2017392&postcount=139)