I HAVE a P4
with amd support      64 bite 3000 amd + cpu
h.d.d   120 giga byte 
ram     512*2 = 1.024 
vga=128 soltek
main bors giabyte k8ns pro 64 bite suport
how know  which harware i can change for have a better system from then
i have system   xp sp1 
 plz help me