RZ22, RZ23, and RZ24 Disk Drive Subsystem

This service manual provides comprehensive information for the RZ22, RZ23, and RZ24 disk drive subsystems. It covers the drives' features, technical specifications, and configuration. The core of the manual details troubleshooting, diagnostic procedures (including various self-tests and SCSI-related diagnostics), and removal/replacement instructions for these disk drives. These procedures are specifically tailored for integration and servicing within two host systems: the DECstation 2100/3100 and the VAXstation 3100. The document also includes error code listings, detailed flowcharts for fault isolation, and a list of recommended spare parts, intended for service personnel and users performing self-maintenance.