At Intel site there are Linux drivers for 915 GM: http://downloadfinder.intel.com/scripts-df-external/filter_results.aspx?strTypes=all&ProductID=1862&OSFullName=Linux*&lang=eng&strOSs=39&submit=Go%21 A good program to test computer memory is memtest86: http://www.memtest86.com. Create a diskette or CD and boot with it.