TC11 DECtape System Manual

Company:Digital Equipment Corporation
Part:DEC-11-HTCB-D
Date:1972-10
Keywords:PDP-11

Table of Contents

  • Chapter 1 General Description
    • 1.1 Introduction
    • 1.2 General Description
      • 1.2.1 TU56 Tape Transport
      • 1.2.2 TC11 Controller
      • 1.2.3 Magnetic Tape
    • 1.3 Specifications
    • 1.4 Engineering Drawings
    • 1.5 Terminology
  • Chapter 2 Installation
    • 2.1 Scope
    • 2.2 Configuration
    • 2.3 Unpacking
    • 2.4 Inspection
    • 2.5 Space Requirements
    • 2.6 Power and Cable Requirements
    • 2.7 Installation
    • 2.8 Final Checkout
  • Chapter 3 Operation
    • 3.1 Introduction
    • 3.2 Controls and Indicators
      • 3.2.1 Tape Transport Control Panel
      • 3.2.2 Controller Maintenance Panel
      • 3.2.3 Function Indicators
    • 3.3 Operating Procedure
      • 3.3.1 Mounting Tape
      • 3.3.2 On-Line Operation
      • 3.3.3 Off-Line Operation
      • 3.3.4 Removing Tapes
      • 3.3.5 Formatting Tapes
  • Chapter 4 Programming Information
    • 4.1 Scope
    • 4.2 Device Registers
    • 4.3 Interrupts
    • 4.4 Function Commands
    • 4.5 Timing Considerations
      • 4.5.1 Data Rate
      • 4.5.2 Transport Motion
      • 4.5.3 Latency
    • 4.6 Programming Notes
    • 4.7 Program Examples
  • Chapter 5 Theory of Operation
    • 5.1 Introduction
    • 5.2 Tape Format
    • 5.3 Functional Description
    • 5.4 Block Diagram Description
    • 5.5 Address Selection
      • 5.5.1 Address Selector Module
      • 5.5.2 Gating Logic
    • 5.6 Bus Control
      • 5.6.1 NPR Transfers
      • 5.6.2 Interrupt Request
      • 5.6.3 Slave Response
    • 5.7 Bus Drivers and Receivers
    • 5.8 Registers
      • 5.8.1 Register Control
      • 5.8.2 Command Register
        • 5.8.2.1 Error Bit (15)
        • 5.8.2.2 Maintenance Bit (13)
        • 5.8.2.3 Delay Inhibit Bit (12)
        • 5.8.2.4 Reverse Bit (11)
        • 5.8.2.5 Unit Select Bits (10-08)
        • 5.8.2.6 Ready Bit (07)
        • 5.8.2.7 Interrupt Enable Bit (06)
        • 5.8.2.8 Extended Bus Address Bit (05 and 04)
        • 5.8.2.9 Function Bits (03, 02, 01)
        • 5.8.2.10 DO Bit (00)
      • 5.8.3 Status Register (TCST)
        • 5.8.3.1 End Zone Error
        • 5.8.3.2 Parity Error
        • 5.8.3.3 Mark Track Error
        • 5.8.3.4 Illegal Operation Error
        • 5.8.3.5 Selection Error
        • 5.8.3.6 Block Miss Error
        • 5.8.3.7 Data Miss Error
        • 5.8.3.8 Nonexistent Memory Error
        • 5.8.3.9 Up-To-Speed
        • 5.8.3.10 Clock
        • 5.8.3.11 Maintenance Mark Track
        • 5.8.3.12 Data Tracks
        • 5.8.3.13 Extended Data
      • 5.8.4 Data Register (TCDT)
      • 5.8.5 Word Count Register (TCWC)
      • 5.8.6 Bus Address Register (TCBA)
      • 5.8.7 Read/Write Buffer Register (RWB)
    • 5.9 Tape Control
      • 5.9.1 Unit Select
      • 5.9.2 Tape Motion Control
      • 5.9.3 Mark Track Decoder
      • 5.9.4 Shift Register (Window)
        • 5.9.4.1 Block Mark Decoding
        • 5.9.4.2 Data Sync and Block Start Decoding
        • 5.9.4.3 Data Word Decoding
        • 5.9.4.4 Block End Decoding
        • 5.9.4.5 Block Sync Decoding
      • 5.9.5 Timing State Generator
      • 5.9.6 Timing Track Decoder
    • 5.10 Timing Logic
    • 5.11 Parity Logic
    • 5.12 Maintenance Mode Logic
    • 5.13 Read Operation
    • 5.14 Write Operation
  • Chapter 6 Maintenance Aids
    • 6.1 Scope
    • 6.2 Preventive Maintenance
      • 6.2.1 Visual Inspection
      • 6.2.2 Tape Handling
      • 6.2.3 Cleaning Tape Reels
      • 6.2.4 Storing Tapes
      • 6.2.5 Physical Distortion
      • 6.2.6 Accidental Erasure (or Saturation)
      • 6.2.7 Head Care
  • Chapter 7 Module Descriptions
    • 7.1 Introduction
    • 7.2 DEC Logic
    • 7.3 Measurement Definitions
    • 7.4 Loading
    • 7.5 Module Characteristics
      • 7.5.1 G879 Transport Detector
      • 7.5.2 G888 Manchester Read/Write Amplifier
  • Appendix A DECtape Format
    • A.1 Introduction
    • A.2 Recording Device
      • A.2.1 Writing
      • A.2.2 Reading
    • A.3 Recording Method
      • A.3.1 Return-to-Zero (RZ)
      • A.3.2 Pulse Recording
      • A.3.3 Non-Return-to-Zero (NRZ)
      • A.3.4 Phase Modulation (Manchester Method)
    • A.4 Bidirectional Reading and Writing
      • A.4.1 Mark Track Reading
      • A.4.2 Data Track Reading
    • A.5 Tape Format
      • A.5.1 Basic Tape Format
      • A.5.2 Block Format
      • A.5.3 Nonstandard Formats
  • Appendix B Comparison of DECtape Formats

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