RX8/RX11 Floppy Disk System

This document is a preliminary maintenance manual for the RX8 and RX11 floppy disk systems from Digital Equipment Corporation. It provides comprehensive technical information, including:

• General Information: System descriptions, compatibility, and specifications.
• Installation and Operation: Site requirements, diskette handling, and storage procedures.
• Interface Programming: Detailed register descriptions, function codes, and programming examples for both the RX11 (Unibus) and RX8E (Omnibus) interfaces.
• Theory of Operation: Block diagrams, logic discussions, and microprogrammed controller details.

This manual is intended for personnel responsible for the maintenance and integration of these floppy disk subsystems.