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Hi there, I have the following system A7N8X-E Deluxe AMD Athlon XP 3200 (Barton) 2 x Kingston 512MB 184Pin DIMM PC3200 DDR RAM Non-Parity CL2.5 Sapphire Radeon 9600 Atlantis 256mb Graphics Card Whenever I try and run the machine at 200MHz dual channel no sooner than the machine boots into XP then it reboots itself. The machine runs fine @ 166MHz... any idea's what may bethe problem? cheers 4 any help