TK70 and TK50 CompacTape Cartridge Subsystems

This document provides an overview of the Digital TK70 and TK50 CompacTape cartridge subsystems. These tape drives are engineered for high reliability, data integrity, and low maintenance, making them suitable for backup, software distribution, and data interchange. Key features include:

• Capacity: TK70 (296 MB) and TK50 (95 MB).
• Data Integrity: Utilizes Cyclic Redundancy Check (CRC), Error Correction Code (ECC), and read-after-write verification.
• Design: Compact 5.25-inch form factor suitable for integration into MicroVAX and other systems.
• Compatibility: Supported by Digital’s Tape Mass Storage Control Protocol (TMSCP) and compatible with Q-bus and UNIBUS (TK50) interfaces.
• Ease of Use: Maintenance-free, automatic tape threading, and user-friendly front panel indicators.

The document includes detailed specifications, performance metrics, and configuration guidelines for these streaming tape drive subsystems.