Rx01 Engineering Drawings

This document is an engineering technical manual for the Digital Equipment Corporation (DEC) RX01 Floppy Disk Drive. It contains a comprehensive collection of engineering drawings, schematics, and firmware documentation necessary for the system's assembly and maintenance.

The document includes:

• System Overviews: A drawing directory and a hierarchical breakdown of the RX01 Disk Drive assembly, including its chassis, bezel, power supply, and control boards.
• Controller Schematics: Detailed circuit diagrams for the Floppy Disk Controller (M7726-0-1), including signal routing and parts lists.
• Read/Write Control: Extensive schematics and component lists for the Read/Write Control board (M7727-0-1).
• Power Supply Documentation: Detailed diagrams and parts lists for the H771 power supply, including variations for different voltages and frequencies.
• Firmware Listings: A complete assembly-level firmware source code listing for the RX01 controller, including instructions, error codes, and operational subroutines for disk initialization, reading, writing, and track seeking.
• Plenum/Fan Assemblies: Schematics and component data for cooling unit assemblies (7013503-0 and 7015622-0).