Atx Power Connectors (Cn29 And Atx2); Internal Power Connector (Cn30) - AXIOMTEK IMB207 Series User Manual

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.
Pin Signal
1 3.3V
2 3.3V
3 GND
4 +5V
5 GND
6 +5V
7 GND
8 PWR OK
9 5VSB
10 +12V
11 +12V
12 3.3V
The ATX2 is an 8-pin +12V ATX power connector for connecting CPU core voltage.
Pin Signal
1 GND
2 GND
3 GND
4 GND
2.4.17

Internal Power Connector (CN30)

The internal power interface is available through this connector.
Pin Signal
1 GND
2 GND
3 5VSB
4 3.3V
5 -5V
6 +5V
7 -12V
8 +12V
Board and Pin Assignments
Pin Signal
13 3.3V
14 -12V
15 GND
16 PS_ON
17 GND
18 GND
19 GND
20 -5V
21 +5V
22 +5V
23 +5V
24 GND
Pin Signal
5 +12V
6 +12V
7 +12V
8 +12V
IMB207 LGA1155 ATX Motherboard
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