In my quest for stability, here's my bios config now:

AI Overclock tuner: Manual
CPU Ratio Setting: 8.0
FSB Strap to North Bridge: 333
FSB Frequency: 450
PCI-E Frequency: 101
DRAM Frequency: 1081
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 (timings: 5-5-5-15)

CPU Voltage: 1.33125
CPU GTL Voltage Reference (0/2): 0.67
CPU GTL Voltage Reference (1/3): 0.64
CPU PLL Voltage: 1.56
FSB Termination Voltage: 1.24
DRAM Voltage: 2.14
NB Voltage: 1.28
NB GTL Reference: 0.63
SBridge Voltage: 1.20
PCIE SATA Voltage: 1.60

Advance CPU Settings
CPU Ratio Setting: 8.0
CPU VID: Disabled
C1E Suppport: Disabled
Max CPUID Value Limit: Disabled
Intel® Virtualization Tech: Disabled
Vanderpool Technology: Disabled
CPU TM Function: Enabled
Execute Disable Bit: Enabled

IntelBurnTest after 50 runs:



Currently running Prime95 with blend test...