Check to see what HAL is installed. Go to device manager, and it's under the Computer section. It should be set to ACPI multiprocessor (since with the VP6 ACPI is always enabled, or at least I haven't found a way to disable it). Since win2k is only reporting one cpu for you, then it might say something with uniprocessor. I've heard it's bad to switch the HAL mode from here and that a reinstall is best, which is why having two processors installed while you're installed win2k is a good thing. I guess you can try changing the HAL and see what happens, but it could go wrong.