I ran into this rather extensive freeware app that tests & IDs your memory. It also shows good info on chipsets. Its called RightMark Memory Analyzer - I downloaded it from Major Geeks here -
http://www.majorgeeks.com/download4124.html
homepage - http://cpu.rightmark.org/
http://www.majorgeeks.com/download4124.html
homepage - http://cpu.rightmark.org/