A power supply unit (PSU) usually converts mains AC to low-voltage regulated DC power for the internal components. Most modern desktop personal computer power supplies conform to the ATX specification. Although there are a lot of other standard and proprietary power supply variants.

Forward to / Apple / Compaq / Iomega / obsolete computers / Sun / Zenith pinouts or follow to 56 MODERN hardware pinouts.
See also Chargers and power adapters connectors for various hardware pinouts

Apple Pinouts

Compaq Pinouts

  • 24 pins unspecified
    Compaq PDP116P power supply  24 pin

Iomega Pinouts

obsolete computers Pinouts

Sun Pinouts

Zenith Pinouts

  • 9 pin mini-DIN male proprietary
    Zenith Z-Sport ZA-300-3 Power supply Zenith ZA-300-3 Power supply pinout. Compatible with zenith laptops models: ZWL-300, ZWL-300-X, ZWL-300-XX, ZWL-400, ZWL-400-X, ZWL-400-XX, IWL-300, IWL-300-X, IWL-400 and IWL-400-X

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