So he has the K8N Neo4 board?
Does the bios look something like this? Try these settings:
Cell Menu
High Performance Mode - Optimized
Aggresive Timing -
disabled
Dynamic Overclocking -
disabled
Adjust CPU FSB Frequency -
210
HT Frequency - 4x
HT Width - (arrow down) 16 (arrow down) 16
Sata Spread Spectrum - Disabled
PCIE Spread Spectrum - Disabled
PCIE Clock - 100Mhz
SSE/SSE2 Instructions - Enabled
Adjust CPU Ratio -
X 10
Adjust CPU VID -
1.45V
CPU Voltage - By CPU Voltage
Memory Voltage -
2.75V
NF4 Voltage -
1.55V
Let me know
