Alright !!! Settings on my system currently (Y = YES/ENABLED AND N = NO/DISABLED)

dram timing control - cas latency (default spd) set to 3.

agp fast write enabled

H/W Monitor:-

sys temp - 43*c/109*f
cpu temp - 59*c/143*f
cpu fan speed - 3629 rpms
sys fan speed - 0 rpms (Y IS IT 0?)
VCORE - 1.612 V
+12.0V - 11.969V - 12.03V
-12.0V - -11.828V
+5.0V - 5.109V
BATTERY - 3.018V

CellMenu:-

Cool 'n' quiet - n
spread spectrum - n
cpu ratio - 10x
dynamic overlocking - n
cpu FSB clock - 240 MHZ
dram clock mode - Manual
dram clock - ddr 333 (as u suggested)
agp voltage Adjust(v) - Default Auto (Set to 1.70)(1.55 to 1.85 max values available)(ON Yellow=HIGH PERFORMANCE)(RED = RISKY)
dram voltage adjust(v) - Default 2.60 (Set to 2.70)(2.55 to 2.85 max values available)(ON YELLOW=HIGH PERFORMANCE)(RED = RISKY)

SYSTEM NOW = AMD 64 ATHLON 3200+ @2.4 GHZ AFTER OVERLOCKING (20% OVERLOCKED,240 X 10 AS U SAID)DRAM CHANGED TO DDR 333 INSTEAD OF 400.WHY? CANT WE USE 400?

THIS IS IT.
BEFORE I PUT THE VOLTAGE TO STOCK AND MY SYSTEM DIDNT BOOT PROPERLY,IT GAVE AN ERROR AND RESTARTED.THE CAS LATENCY WAS SPD B4.

AFTER THIS I CHANGED THE CAS LATENCY TO 3 AND DRAM VOLTAGE AND AGP VOLTAGE TO 1.70 AND 2.70 RESPECTIVELY.THEN EVERYTHING WORKED AND ITS STABLE.EVEN I TRIED PLAYING UT04 FOR HALF HOUR ONLINE WITH MAXIMUM PLAYERS BUT IS ALWAYS STABLE.