http://www.ehow.com/guide_5-http://www.ehow.com/guide_5-computers.html.htmlwww.ehow.comhttp://www.ehow.com/how_2200428_install-ram.htmlInstalling RAM into a PC; learn how to build a custom PC in this free instructional video. Published on 2/13/2008http://www.ehow.com/tips_2200428.htmlHello, I already have 1gb 2x512. I want to add 2x1024 to my pc. I have the slots for it and im wondering if I can use a different brand then the ones I already have installed in my pc. Please reply. Thank youhttp://www.ehow.com/tips_2200428.htmlI wish these tutorials were longer and not all chopped up into little bits.