just wondering is it possible to change change the bios on my 4600c to a different one that i can use to tweak my system out? if so how can i do so? cuz main reason i wanna do this is czu i gotta 3.2 ht p4 that only reading 2.8

System specs.

Dell 4600c
3.2 P4 HT w/ a GB of ram
128mb chaintech Geforce Fx5700LE

thnxk a bunch