JJyiz28, all I can link you to is the PDF version of the manual for the 8KNXP/8IK1100.
http://tw.giga-byte.com/Download/Download.asp?DownloadPath=/MotherBoard/FileList/Manual/manual_8knxp_e.pdf
I'll just stick with 4x512MB for now.
Canterwood, you are right and I am wrong. 3GB can be done with...