Power Input Connectors (Cn33 And Cn34) - AXIOMTEK IMB502 User Manual

IMB502 LGA1151 ATX Motherboard
2.4.14

Power Input Connectors (CN33 and CN34)

Steady and sufficient power can be supplied to all components on the motherboard 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.
ATX2 CPU power input connector:
Pin CN33 Signal
1 GND
2 GND
3 GND
4 GND
ATX1 24-pin power input connector:
Pin CN34 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
18
Pin CN33 Signal
5 +12V
6 +12V
7 +12V
8 +12V
Pin CN34 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
Board and Pin Assignments