You might find it in system information. See help and support pages for system information. 1/3 of highway deaths are caused by drunks. The rest are by people who can't drive any better than a drunk.
Connect it to the Crucial website and use it's System Scanner:
http://www.crucial.comClick "System Scanner", then click "Scan My Computer" when it slides into view at the top.
thanks everyone...
already figured it out it was a DDR2 type