Archived from groups: alt.comp.periphs.mainboard.elitegroup (More info?
I have a KT600-A and the fan speed sensor works fine. On my son's KT600-A,
the CPU fan died and the motherboard refused to start. ECS issued new BIOS
that removed that "feature", which you must have, as your computer will
Try plugging in other 3 wire fan into CPU Fan socket to trouble shoot.