User`s manual

MANO873 Series All-In-One Mini ITX Board
Board and Pin Assignments 13
2.4.1 ATX Power Connectors (CN2 and ATX1)
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 CN2 is a 24-pin ATX power connector. Its pin assignments are given in table below.
The ATX1 is a 4-pin +12V ATX power connector for connecting CPU core voltage, see
table below.
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
3
+12V
2
GND
4
+12V