I found the reference to the memory issue here:
http://hardocp.com/reviews/mainboards/abit/kt7a/
"One thing we did run into on the KT7 was the fact that if you populated all three DIMM slots, it led to some board instability using Win2K. However, this problem continued even when only two slots were populated. It was suggested to us by an engineer that we use slots 1 and 3 when using two DIMMs. This is not a solution that has been tested by us, but we wanted to pass the info along."