Centris, Quadra 610 and 660AV: Internal Power Connector Pinouts

This article supplies the internal pinouts (for the internal cord connecting the power supply to the logic board) for four Macintosh systems:

* Centris 610
* Quadra 610
* Centris 660AV
* Quadra 660AV

(The Quadra 650 and Centris 650 have a different power supply.)

The power supply provides three connectors: one for the hard drive, one for the CD-ROM drive, and one for the logic board.

Logic Board Connector

The pinouts for the 10-pin power connector that plugs into the logic board at J30 are (the location of Pin 1 and 10 are marked on the logic board):

1 - +5V
2 - +5V
3 - +5V
4 - Gnd
5 - Gnd
6 - N/C
7 - Gnd
8 - Gnd
9 - +12V
10 - -12V

Hard Drive and CD-ROM Drive

The pinouts for the power connector for the hard drive and CD-ROM drive:

1 - +12V
2 - Gnd
3 - Gnd
4 - +5V