Vcore 1.16v to low set 1.25-1275v more maybe needed for 4ghz
cpu pll 1.632 set to 1.50- 1.54 in bios
NB v 1.632 to high try below 1.50
Dram 2.32 to high try lower <2.20
FSB term 1.344 ok for 4ghz