dfi infinity nf sli-m2 nf4 775 oc help?

[odie2190]

im having problems with my oc, i get it to 211 mhz and its starts to reboot when it wants. amd 4200

dfi infinity nf sli-m2 nf4 775

that my mobo

[odie2190]

ok update i rose the volts running to the cpu to 1.500

i did an 8 hr cpu stability test at 2.4 gigs

now im raising till 2.5 or 2.6 depending on temps