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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