Well to upgrade ... get a new chip. To OC you'll have to mess with BIOS settings but i wouldnt imagine you could OC by all that muchdoes somebody know how to overclock or upgrade amd k6-2 3dnow cpu on a 7 socket motherboard
UT99 has an absolutely amazing software rendering engine... very VERY efficient!but now I can play unreal tournament and hl and other games under 400 or a little above it pretty well