My settings for decided stable spot on E8400 E0 stepping,

ASUS P5Q DLX Template :

JumperFree Configuration Settings
AI Overclock tuner: Manual
CPU Ratio Setting: 9
FSB Strap to North Bridge: 266
FSB Frequency: 475
PCI-E Frequency: 103
DRAM Frequency: 1185
DRAM CLK Skew on Channel A1: AUTO
DRAM CLK Skew on Channel A2: AUTO
DRAM CLK Skew on Channel B1: AUTO
DRAM CLK Skew on Channel B2: AUTO
DRAM Timing Control: Manual

1st Information :

CAS# Latency: 5
DRAM RAS# to CAS# Delay: 5
DRAM RAS# Precharge: 5
Activate to Precharge: 15
RAS# to RAS# Delay : auto
Row Refresh Cycle Time: auto
Write Recovery Time: auto
Read to Precharge Time: auto

DRAM Static Read Control: disabled
DRAM Read Training: disabled
MEM. OC Charger: Enabled
AI Clock Twister: Moderate
AI Transaction Booster: 8
Pull-In of CHA PH1: Enabled
Pull-In of CHA PH2: Enabled
Pull-In of CHA PH3: Enabled
Pull-In of CHA PH4: Enabled
Pull-In of CHB PH1: Enabled
Pull-In of CHB PH2: Enabled
Pull-In of CHB PH3: Enabled
Pull-In of CHB PH4: Enabled

CPU Voltage: 1.42 "actual in windows was 1.38 idle 1.34v~ load"
CPU GTL Voltage Reference (0/2): .63
CPU GTL Voltage Reference (1/3): .63
CPU PLL Voltage: 1.56
FSB Termination Voltage: 1.22

NB Voltage: 1.30
NB GTL Reference: AUTO
SBridge Voltage: 1.2
PCIE SATA Voltage: 1.6

Load Line Calibration: Disabled "enabled caused issues galore"
CPU Spread Spectrum: Disabled
PCIE Spread Spectrum: Disabled
CPU Clock Skew : AUTO
NB Clock Skew : AUTO

Advance CPU Settings
CPU Ratio Setting: 9
C1E Suppport: Disabled
Max CPUID Value Limit: Disabled
Intel® Virtualization Tech: Disabled
Vanderpool Technology: Disabled
CPU TM Function: Disabled
Execute Disable Bit: Disabled


Hope this helps some people.