Magneto-Optical Disk Unit

The RWZ21 Magneto-Optical Disk Unit Maintenance Guide is a technical manual for service personnel. It contains the following key sections:

• Error Code Information: A comprehensive list of Sense Keys and Additional Sense Codes used to diagnose drive conditions and hardware errors, ranging from simple medium errors to complex spindle and tracking failures.
• Diagnostic Information: Includes a block diagram of the drive and controller architecture, and notes on VAX ROM diagnostics compatibility.
• Parts List: Detailed tables for hardware components (disk unit, cartridges, cleaning kits, filters, terminators), SCSI cable configurations, and international power cord specifications.

This document is dated August 1992.