Rk05 Exerciser Operators Guide

This document serves as an operator's guide for the RK05 Exerciser, a device designed to test Digital Equipment Corporation (DEC) RK05 hard disk drives without needing a CPU or separate drive controller.

Key features of the guide include:

• System Purpose: The exerciser allows technicians to verify proper drive operation, isolate hardware failures, and perform specific tests, such as seek operations and data writing/erasing.
• Controls and Indicators: The guide provides a detailed breakdown of the front panel, including switches for cylinder addressing, function selection (Step, Alternate, Oscillate, and Random), write control, and status lamps for drive errors (Address Invalid, Seek Incomplete, and Power On).
• Setup Procedures: It outlines the physical connection process, including cabling requirements for the Unibus and power supply, and the necessary power-up sequence.

• Operational Modes:

  • Positioner Exerciser: Details how to perform single-track, expanding (alternate), oscillate, and random-seek operations to test the drive's mechanical positioning.
  • Writer Exerciser: Explains how to select specific sectors or heads, set data patterns for write testing, perform constant writes, and conduct DC erasures.

• Technical Diagrams: The document concludes with logic flowcharts for the G502 Writer Module and the G503 Positioner Module (Step/Alt, Oscillate, and Random modes), illustrating the internal signal processing during operation.