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Connector pinout: AT connector


AT motherboard power supply

at power



pinnamedirectiondescriptioncolor
1PG P8 startPower Good, +5 VDC when all voltages have stabilizedOrange
2+5V+5 VDC (or n/c)Red
3+12V+12VYellow
4-12V-12VBlue
5GNDGNDBlack
6GNDGNDBlack
1GNDP9 startGNDBlack
2GNDGNDBlack
3-5V-5VWh or Ye
4+5V+5VRed
5+5V+5VRed
6+5V+5VRed