Quote Originally Posted by Don_Dan View Post
You forgot a "0", but your kit is Samsung ICs ( K4B4G0846B-xxx ). On some AM3 boards they refuse to boot up ( only 990FX from what I've seen ).
yes, what im experiencing just now (gigabyte ud3 1.0 990Fx)

Gigabyte support told me that same modules as mine , booted up on the same mobo there. Ways to figure out is to check my mem at a shop and to get know S/N that worked for Gigabyte technician in order to clear out the mystery