AXIOMTEK MANO523 Series, User Manual

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MANO523 Mini ITX Motherboard
Board and Pin Assignments 13
2.4.3 ATX Power Input Connectors (CN8 and CN22)
Steady and sufficient power can be supplied to all components on the board by
connecting power connector. Please make sure all components and devices are
properly installed before connecting the power connector.
External power supply plug fits into the connector in only one orientation. Properly press
down power supply plug until it completely and firmly fits into this connector. Loose
connection may cause system instability.
CN8 is a 24-pin connector for DC power input.
CN22 is a 4-pin connector for +12V DC power input.
2 4
1 3
Pin Signal Pin Signal
1 3.3V 13 3.3V
2 3.3V 14 -12V
3 GND 15 GND
4 +5V 16 PS_ON
5 GND 17 GND
6 +5V 18 GND
7 GND 19 GND
8 PWR OK 20 -5V
9 5VSB 21 +5V
10 +12V 22 +5V
11 +12V 23 +5V
12 3.3V 24 GND
Pin Signal
1 GND
2 GND
3 + 12VIN
4 + 12VIN