Hardware:
p5b dlx wi-fi // Corsair PC2 6400 // E6400 Allendale // Full system watercooller


I try to make OC with 401fsb using this setting:

CPU frequency: 401
Dram Frequency: 801+-
PCI-E Frequency: 100
PCI Clock Sync. Mode: 33.33
Memory Voltage: 2.1
CPU Vcore Voltage: 1.400
FSB Termination Voltage: 1.450
MB Vcore: 1.65
SB Vcore: 1.60
Ratio CMOS: 7
5-5-5-18-4-35-10-10-10-10
Static Read Control: Faster

works fine with temps stable in 30 degrees but whhen i go stress CPU and RAM with ORTHOS give me errors.what can i do?