I've got 2 ram sticks, 1 x 256 pc 2700 and 1 x 256 pc3200. So since i updated my bios with Flashmenu only 256 shows up. The sticks work by itselfs when i remove one so they are not broken. It always worked b4 System specs: ABIT NF7-S athlon xp 2200+ 2 x 256 DDRam if you need to know anythin else just ask