Power Input Connectors (Atx1 And Cn26) - AXIOMTEK IMB523 User Manual

2.5.16

Power Input Connectors (ATX1 and CN26)

Steady and sufficient power can be supplied to all components on the motherboard by
connecting the power connector. Please make sure all components and devices are
properly installed before connecting the power connector.
An external power supply plug fits into ATX1 and CN26 in only one orientation. Properly
press down power supply plug until it completely and firmly fits into the connector. Loose
connection may cause system instability.
ATX1 CPU power input connector:
Pin ATX1 Signal
1 GND
2 GND
3 GND
4 GND
CN26 24-pin power input connector:
Pin CN26 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
Board and Pin Assignments
IMB523 / 524 / 525 LGA1151 ATX Motherboard
Pin ATX1 Signal
5 +12V
6 +12V
7 +12V
8 +12V
Pin CN26 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
1
5
8
4
24
12
13
1
21