External / Interal Speaker (Cn7, Pin 8~11) - Aaeon SBC-558 Manual

External/internal speaker
(CN7, Pin 8~11)
The CPU card has its own buzzer. You can also connect to the
external speaker on your computer chassis. Pin assignments for
CN1 (Pin8~11)are shown below:
CN7
External speaker (CN7, Pin 8~11)
Pin
8
9
10
11
* default
For external speaker connection :
Remove the default jumper cap from the pin 10~11away.
(+) : Please connect to pin 8
(-) : Please connect to pin 11
30 SBC-558 User Manual
8
9
10
11
Function
Vcc (For external speaker use)
N/C
BZ_IN*
BUZZ* (For external speaker use)