AXIOMTEK IMB207 Series, User Manual

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IMB207 LGA1155 ATX Motherboard
Board and Pin Assignments
17
2.4.16 ATX Power Connectors (CN29 and ATX2)
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 this 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.
The CN29 is a 24-pin ATX power connector. Its pin assignments are given in table below.
The ATX2 is an 8-pin +12V ATX power connector for connecting CPU core voltage.
2.4.17 Internal Power Connector (CN30)
The internal power interface is available through this connector.
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 Pin Signal
1 GND 5 +12V
2 GND 6 +12V
3 GND 7 +12V
4 GND 8 +12V
Pin Signal
1 GND
2 GND
3 5VSB
4 3.3V
5 -5V
6 +5V
7 -12V
8 +12V