post your computer configuration
thanx a lot bro.bt how can i overclock a processor or grafic card
for overclocking gfx card, try 2 utilities :
1. sapphire Trixx (i would love to meet the people who named this software xD) - voltage modding is not supported for non-sapphire cards, afaik, shouldnt concern you, coz voltage modding removes any warranty
2. msi afterburner (not recommended, as it cant OC as much as Trixx, only goes to 900 mhz vs Trixx's 1100 mhz)
oc'ing gpu is ezeee.
bump up the frequency first.
in 50 mhz increments.
test using 3dmark11/3dmark vantage/3dmark 2006.
if you find any errors/glitches (any sort of glitch, like wrong colors or "stretched" pixels, or anything thats not ordinary) go back to the last stable overclock setting.
now increase frequency by 10 mhz.
repeat above steps.
when you hit the ceiling, reduce the increase steps from 10mhz to 1 mhz steps.
this will ensure that you get the max stable frequency, but it takes time. to save time, leave it at the first stable overclock which you found (at 50 mhz increase). it'll be good enough.
now, do the above steps for memory frequency.
so, first find max limit of core frequency, next, find max limit of memory frequency.
to have these OC as permanent, from the software u are using, check option to start as system boots, and save overclock.
WARNING : DONT BLAME ME IF ANYTHING GOES WRONG. WHEN YOU OVERCLOCK, YOU DO SO AT YOUR OWN RISK.