how and what to overclock please help

[prt]

Hi All,

I have got a Gainward GeForce GTX 260 Golden Sample 896MB GDDR3 PCI-Express Graphics Card in this ocuk pc.

what can i over clock on it and how do i over clock it.
I am not sure on what is what with gfx cards, as in shader core clock etc

as it is now it is set to

core clock = 625
memory clock = 1100
shader clcok = 1348

i have not changed anything in bios pci is set to 100 still


thank you in advance

 

[prt]

Riva tuner

I gathered that but my question was and still is what can i over clock on it and how do i over clock it.

as i dont know what each part is

thank you anyway