CT25664AC667 Crucial RAM 2 GB DDR2 667 MHz (PC2-5300) CL5 200pin SODIMM (Personal Computers)
I have always been fair computer to save space I have purchased the laptop of my beautiful daughter in Windows 7 pro, but of origin had two bars of 1 GB so a true patience mill. in the book they say that the maximum can go mounted in 4, your memory +