as you can read above, i'v tried to get 4 gb of kingston memory to work, but it didn't. Now i'v got me some OCZ reaper memory, 2x 2gb dimm's, cl4 800, a matching pair. Trouble is, only one works at the same time.
I think, as i'm just an hobby'ist, i'm doing something wrong. I got 4gb to work...