MP-P Power Supply

The MP-P Power Supply is the supply designed to power the Mother Board (MP-B) and its complement of plug-on boards including the MP-A Microprocessor / System Board, up to four MP-M full 4,096 word memory boards and eight interface boards. It includes the power transformer, bridge rectifier, filter capacitor and power inter-connect board. The Power Inter-Connect Board is a 3 1/2 inch x 2 3/4 inch circuit board supporting the protection fuse +/-12 volt rectifier with filter, and the MP-B Mother Board wiring connector.

Introduced by Southwest Technical Products Corporation in 1975. The MP-P power supply cost $35 in kit form and the MP-F case cost $30 in kit form.

Power Supply Photo (96k JPG)

MP-P Board (75k JPG)

MP-P Board (reproduction) (75k JPG)

Wiring Diagram (99k JPG)

Schematic (87k JPG)

Assembly Instructions (120K PDF)

Molex Connectors (21K PDF)

Modified Power Supply

Michael Holley's SWTPC Collection Home