a friend of mind gave me new in the box Intel Celeron E3400 Wolfdale 2.6GHz LGA 775 65W Dual-Core Desktop Processor BX80571E3400 not sure which motherboard I need or what type of memory to use can I use a motherboard that support ddr 3 memory or board that support ddr2 I only want to spend about $100.00 for both items thanks for your help