Gateway MX6450 Notebook "quanta 30d1" Questions

...Quanta 30D1 S1 motherboard please, If yes, by how much? I have just been given HP Pavillion DV9500 notebook pc laptop, and would like to upgrade the ram, can I do this with a Quanta 30d1 s1 ...

...quanta 30D1 motherboard on a notbook pavilion dv 9700 My optical drive is not working anymore ! I can open the optical drive and put a cd in ,I can hear reading but after a willd is stoping .I check ...