Well, you could possibly do it but you'd need to make sure the following are compatible with the motherboard:
Socket 748 on everything, including motherboard
Video card must be compatible
Case must be compatible (Common is ATX)
RAM must be compatible (Ex: PC 3200)
Your motherboard must support the processor
Plus, make sure your power supply is strong enough to handle everything, as well as the new motherboard, and I'm sure there are some other things I missed that you'll need to check are compatible.