Diskette Drive Controller - IBM PS/2 80 Hardware Maintenance Reference

IBM PS/2 Model 80 HMR
Diskette-Drive Controller
1.2.7 Diskette-Drive Controller
The controller connects to the diskette drives through a single 40-pin
connector on the system board. Signals and voltages are supplied through
the diskette-drive cable that plugs into the connector. These signals and
voltages can operate two IBM 3.5-inch diskette drives.
¦ Copyright IBM Corp. 1990
1.2.7 - 1