dosto mary pass phelay ram 512 hai main ab 1gb lagwana chahta ho puchna ye tha k kiy ak aur 512 ki lagwa lo ya ye day kar ak hi 1 gb ki lagwa lo q k mujhy kisi nay kaha tha k ak 1gb ki speed taz hati hai is kay k 512 ki 2 ram lagai jay ab ap kiya mashwara daty hain...aur kon si ram best hai mera system hp compaq hai..