This manual serves as Section 6 of the KD11K Technical Description Manual for the PDP-11/60 processor. It details various maintenance features designed to assist field service engineers in isolating and repairing faults. Key topics include:
- Troubleshooting Approaches: Self-diagnosis, on-line diagnosis, and Diagnostic Control Store (DCS) usage.
- Error Servicing: Description of Error Logging registers (CSP) and error classification (Jam Errors vs. Service Errors).
- Register Details: Comprehensive information on error and status registers, including the Processor Status Word, Memory Management Status Registers, and various control registers.
- Diagnostics: Detailed information on the Diagnostic Control Store (DCS) module, microdiagnostics, and macrodiagnostics (XXDP).
- Procedures: Guidelines for module removal, replacement, console disassembly, and the use of the MED (Maintenance, Examine, and Deposit) instruction for system diagnostics.