windows 7 home prem. 64bit

yes the fan spins on all 3 cards.
system information appears to recognize 3 cards are attached to pci-e slots.
device manager however disagrees, and only shows 2.
cgminer agrees with device manager, and only hashes w/ 2.


repeating an old question although it hasn't been brought up in a while: how do i disable crossfire? i was told it's software crossfire, no jumper required... and that it's on by default.