hi guys, i'm trying to oc my e8400 on asus p5p43td. its not an oc mobo but it still can oc. i'm using value ram ddr3 1gb + 2gb. the thing is i cant oc past fsb 420 with 9x multiplier.
below are my settings

fsb-420
multiplie- x9
ram setting/ timing - 7-7-7-20 / anything tighter than this i cant POST. tighter means the number is lower than 7-7-7-20 rite? correct me if i'm wrong
fsb:ram - 1:1 which is 840mhz / my ram is rated 1333Mhz
Vtt voltage -1.3V
NB voltage - 1.1V

i can post a screenshot of my BIOS if it can help. thanks. i would like to oc past 420FSB if possible. pls do advice me