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2.08 – Keyboard Lock Jumper (J41)
OPEN
(Default)
To enable PS/2 keyboard
CLOSED
To disable PS/2 keyboard
2.09 – External Speaker Header (J42)
Pin_1 :
S
Pin_2 :
Pin_3 :
Speaker/
Buzzer -
Pin_1
Pin_4
Pin_4 :
Speaker -
Close Pin-2and Pin-3
(Default)
Enable onboard buzzer
Open Pin-1 ~ Pin-4
Disable onboard buzzer and can
connect to chassis 1x4 speaker