IBM Model 5155 PSU

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The IBM Portable Computer 5155 had a multivoltage PSU (IBM part number 6320306).

Specification

Power is provided via five connectors:

IBM Portable Computer Power Supply
Connector-Pin Purpose/Voltage Maximum Current
P8-1 (system board) Power Good -
P8-2 Key -
P8-3 +12V 0.1A
P8-4 -12V 0.25A
P8-5 GND -
P8-6 GND -
P9-1 (system board) GND -
P9-2 GND -
P9-3 -5V 0.3A
P9-4 +5V 3.3A
P9-5 +5V 3.3A
P9-6 +5V 3.3A
P10-1 (floppy drive) +12V 2.4A
P10-2 GND -
P10-3 GND -
P10-4 +5V 0.7A
P11-1 (floppy drive) +12V 2.4A
P11-2 GND -
P11-3 GND -
P11-4 +5V 0.7A
P12-1 (internal screen) +12Vd 1.5A
P12-2 GND -

In addition P13 provides 12V power to the system fan, an 80mm x 33mm 12V 0.32A two-pin unit (such as Panaflo FBP-08B12H).

Together this provides a maximum output of about 135W.


See Also