Hi all,
my pc spec:
AM2 X2 3600+, Biostar TA690G (Bios R69AM605.BST), GSkill F2-6400CL4-2GBPK
Yesterday i mange to oc my X2 3600+ brisbane to 9.5x290 = 2.75GHZ with 1.35v, orthos stable for 6 hours, passed 3dmark06, OCCT and dual superpi, HTT set to 600MHZ or 3x, RAM SPEED is below 800MHZ cause i use 533MHZ in bios...
Everything are working fine.
But today when i start my pc, it show me some weird sympton...
this msg appear in CMOS --> "warning!! your system running safe mode. please setup CPU host clock"
when i press F1 to continue, window can load but the processor speed was back to 1.9GHZ.
when i restart it and check in bios, the CPU FSB show in bios still is 290MHZ... after reboot
msg --> "warning!! your system running safe mode. please setup CPU host clock" still appear in CMOS
and when load into window, it still show 1.9GHZ and CPUZ show 200x9.5.
then i have to reset bios to default by using load optimise default;
msg --> "warning!! your system running safe mode. please setup CPU host clock" disappear from CMOS when boot; and i have to set FSB, 200, 220, 250, 270, 290 and restart for few times to get my window load at 2.75GHZ.... crazy...
i'm not sure where was wrong.... izzit coz by bios version?
help...

update ur bios with the modded or latest one...
use the most stable one.....
try anything till it is ok....