Maintenance Board

This document provides technical diagrams and parts lists for the KM11 maintenance option, specifically components W130 and W131, designed for the KA11 processor. It includes:

• Parts References: Detailed lists for the W130 and W131 boards, including resistors, capacitors, transistors, and switches.
• Schematics: Circuit diagrams detailing component placement and pin assignments for maintenance functions.
• Operational Notes: Instructions for using the M CLK (Manual Clock), S CLK, and manual bus response signals (NO TIME OUT, SSYN) to step through processor cycles and diagnose system errors.
• Maintenance Modules: Includes overlay diagrams for the KD11-A and KT11-D/KE11-E,F maintenance modules.