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IBM 5150  -  Upgrading PSU from 120V to 230/240V


     
  High_voltage_warning.svg.png WARNING:

Opening the 5150's PSU may expose you to hazardous voltages and currents.
Do not assume that those hazards will disappear shortly after disconnecting the PSU from AC mains (house) power.
Before opening the power supply, adequately educate yourself as to the hazards.
Some hazard examples at here.



IBM periodically used different variations of the PSU.  Therefore the following procedures may not be applicable for your PSU.

Use these procedures at your risk (risk to your safety, and risk of damage to your equipment).


• PSU variation xxxx:  Click here for the procedure (produced by Paul of the VCFF)  (dated MAR17)

• PSU variation yyyy:  Click here for the procedure (produced by nztdm of the VCFF)  (dated DEC18)

• PSU variation zzzz:  Click here for the procedure.