Power Input Connectors (Atx1, Atx2, Cn18 And Cn19) - AXIOMTEK IMB700 User Manual

IMB700 LGA4189 ATX Motherboard
2.5.10

Power Input Connectors (ATX1, ATX2, CN18 and CN19)

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 ATX1/2 and CN18/19 in only one orientation.
Properly press down the power supply plug until it completely and firmly fits into the
connector. Loose connection may cause system instability.
ATX2 CPU power input connector:
Pin ATX2 Signal
1 GND
2 GND
CN19 CPU power input connector:
Pin ATX2 Signal
1 GND
2 GND
3 GND
4 GND
ATX1 ATX 12V power input connector:
Pin ATX2 Signal
1 GND
2 GND
CN18 24-pin ATX 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
16
Pin ATX2 Signal
3 +12V
4 +12V
Pin ATX2 Signal
5 +12V
6 +12V
7 +12V
8 +12V
Pin ATX2 Signal
3 +12V
4 +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
Board and Pin Assignments
13
1