im having some problems also

using MA790X-UD4P (AM2+ version)


first off, no matter what i do, 4GHZ is not stable, yet anything up to 3.99 is able to run, while any setting at 4ghz will not boot into windows.

second thing
no matter what i do, i cannot change NB multi past 10x.
my computer will try to save settings and reboot, then turns off and only cmos reset will do it.
luckily my chip/board can reach ht clocks of ~280 but im sure i could squeeze more with this chip and a working NB multi.

other then these couple problems the board is a gem, highly recommended for people looking for a cheap sturdy board