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Power connector (cn23), Speaker/buzzer (cn 24), Atx power connector (cn23) – Intel SBC-776 User Manual

Page 47

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SBC-776 Chapter 2 37

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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

CN24

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