Power Supply Connectors

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  Motherboard Power Connector

  +------+------+------+
  |Orange| Red  |Brown |   Information still needed: how does the Power Good
  | +12V | -12V |PwrGd |   signal work?
  |------+------+------|
  |Yellow| Blue | Blue |
  | +5V  |Ground|Ground|
  +------+------+------+

  Disk Drive Power Connectors

  Large Connector
    __________
   /          \
  | O  O  O  O |   Connector viewed from front (open end).
  +---+--------+   The two center pins are grounds.

  +12V      +5V

  Small Connector

   |       |
   +-------+       Connector viewed from front (open end).
   |o o o o|       The two center pins are grounds.
    -----+-

  +12V   +5V