UDA50 Maintenance Guide

Company:Digital Equipment Corporation
Part:AA-M185C-TC
Date:1984-12
Keywords:

Table of Contents

  • 1 Introduction
    • 1.1 Scope of Manual
    • 1.2 UDA50 Field Replaceable Parts
    • 1.3 UDA50 Maintenance Features
    • 1.4 UDA50 Address Switches and Jumpers
    • 1.5 UNIBUS Tuning
      • 1.5.1 UNIBUS Device Positions
      • 1.5.2 UDA NPR Priority Jumper
    • 1.6 UDA50 Priority Plug
    • 1.7 Installation of Bootstrap ROM
    • 1.8 Related Documentation
  • 2 UDA50 Fault Isolation
    • 2.1 UDA50-Resident Diagnostics
      • 2.1.1 UDA50 LED Error Codes
      • 2.1.2 Status/Address Register Error Codes
    • 2.2 UDA50 Subsystem Diagnostics
      • 2.2.1 PDP-11 Subsystem Diagnostics
        • 2.2.1.1 CZUDE
        • 2.2.1.2 CZUDC
        • 2.2.1.3 CXDUB
      • 2.2.2 VAX Subsystem Diagnostics
        • 2.2.2.1 ZZ-EVRLB
        • 2.2.2.2 ZZ-EVRLA
    • 2.3 UDA50 Subsystem Troubleshooting
      • 2.3.1 UDA50-Resident Diagnostics
      • 2.3.2 UDA50 Host-Resident Diagnostic
      • 2.3.3 Subsystem Error Message Information
        • 2.3.3.1 Real-Time Drive State Message Interpretation
        • 2.3.3.2 Status Message Bytes
        • 2.3.3.3 Status Message Interpretation

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