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Posted
All I could find was this from the Logicmaster Six manual: CPU error flags are stored in Scratch Pad memory. The CPU uses these flags to record faults encountered during normal operation, or during self-checks. This display is always controlled by the CPU. If any of the error flags is set, a message appears on the line below the error flags line.
Posted
Thanks Steve, I'm having an intermittent 'Input Parity' fault that shuts my CPU down. I've isolated to a single I/O chain with 3-racks that have 8 to 10 cards per rack. Trying to isolate to a input address and was hoping the scratch pad would point me in the right direction.
Posted
Intermittent I/O parity errors like that can sometimes be caused by a bad backplane connection. Try removing and reseating the modules. Be sure to use the tool so as to get the maximum seating force.

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