Pentium 233 with G2?
If you have a 233, I bet that you are stuck. Go for the gusto! Get it all new. Here is why-
Faster bus system
Faster memory
Faster HDD
Faster everything!
My PC has "evolved" from an AMD 200 or 233 K6. Now it is at 550, but it has a new HDD, MB, CPU, Video, Sound..............