22 pin MOLEX 39-29-9222 connector at
the motherboard.
| Pin | Name | Color | Description |
|---|---|---|---|
| 1 | 5Vsense | red | Sense +5 VDC |
| 2 | 3.3Vsense | orange | Sense +3.3 VDC |
| 3 | res | reserved | |
| 4 | com | black | Ground |
| 5 | com | black | Ground |
| 6 | 12Vio | yellow | +12 VDC (I/O) |
| 7 | -12V | blue | -12 VDC |
| 8 | I2C clk | I2C Clock (optional?) | |
| 9 | FanC | purple | Fan Control |
| 10 | PS-OK | grey | PoweSupply Ok |
| 11 | res | reserved | |
| 12 | 5Vsensertn | black | Ground Sense +5 VDC |
| 13 | 3.3Vsensertn | black | Ground Sense +3.3 VDC |
| 14 | res | reserved | |
| 15 | com | black | Ground |
| 16 | 12Vio | yellow | +12 VDC (I/O) |
| 17 | 12Vio | yellow | +12 VDC (I/O) |
| 18 | sleep | white | Sleep |
| 19 | I2C data | I2C Data (Optional?) | |
| 20 | FanM | brown | Fan Monitor |
| 21 | PS-on | green | PowerSupply On |
| 22 | res | reserved |