MSI MICRO ATX AL12 User Manual page 25

This type of connector already supports the remote ON/OFF function.
However, you need to connect the Remote Power On/OFF switch
(JRMS1).
PIN DEFINITION
PIN
1
2
3
4
5
6
7
8
9
10
Warning: Since the mainboard has the instant power on function, make sure
that all components are installed properly before inserting the power connector
to ensure that no damage will be done.
SIGNAL
3.3V
3.3V
GND
5V
GND
5V
GND
PW_OK
5V_SB
12V
2-20
1
11
ATX
Power Connector
PIN SIGNAL
11 3.3V
12 -12V
13 GND
14 PS_ON
15 GND
16 GND
17 GND
18 -5V
19 5V
20 5V
10
20