Intel SBC-776 manual Power connector CN23, Speaker/Buzzer CN

Power connector (CN23)

ATX power connector (CN23)

The ATX power supply uses 20-pin connector shown below. Make sure you plug in the right direction.

ATX power connector (CN23)

Pin	Signal	Pin	Signal
1	+3.3V	11	+3.3V
2	+3.3V	12	-12V
3	GND	13	GND
4	+5V	14	POWER ON
5	GND	15	GND
6	+5 V	16	GND
7	GND	17	GND
8	POWER OK	18	-5V
9	+5VSB	19	+5V
10	+12V	20	+5V

Speaker/Buzzer (CN 24)

You can choose to use the internal buzzer on the SBC-776 baord, or you may use your own external speaker.

Speaker/Buzzer (CN24)

Speaker				On Board Buzzer
1	2	3	4	1	2	3	4

CN24

SBC-776 Chapter 2 37