IDE Tape drive detection

I have a customer with an Intel 815EEA motherboard, 2 hardrives mirrored using a Promise Ultra66 PCI controller. The OS is Win2000 Pro. A Seagate Hornet 20GB IDE tape drive has been attached to any of the motherboard IDE ports with no success of bootup detection. The drive, however, will detect every time using Add New Hardware and works perfectly until the next restart or shutdown. Any fix or workaround the manual detect is required. Nothing else has a problem.