NEC POWERMATE 8100 Series Service And Reference Manual page 32

The Zip drive is installed in a 5 1/4-inch accessible bay. The installed Zip drive
is connected to an IDE cable that connects to the riser board. The PCI/IDE
channel, and the master/slave configuration of the drive depend on the specific
configuration of the system.
Zip drive cable connections are given in Section 5, "Riser Board." Zip drive
specifications are given in Section 10, "Specifications."
1-16 System Overview