User`s manual

SBC86831 Series All-In-One Mini ITX Board User’s Manual
Jumpers and Connectors
31
2.4.15 Internal Audio Connector: CN21
Pin Signal
1 LINE_OUT_L
2 GND
3 LINE_OUT_R
4 GND
5 MIC_IN
CN21
2.4.16 ATX Power Connector: ATX1
Pin Signal Pin Signal
1 3.3V 11 3.3V
2 3.3V 12 -12V
3 GND 13 GND
4 5V 14 PS_ON
5 GND 15 GND
6 5V 16 GND
7 GND 17 GND
8 PW_OK 18 -5V
9 5V_SB 19 5V
10 12V 20 5V
ATX1
2.4.17 +12V ATX Power Connector: ATX2
Pin Signal
1 GND
2 GND
3 +12V
4 +12V
ATX2
1