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9) SPEAKER (Buzzer Header)
Connects to the buzzer on the chassis front panel. The system reports system startup status by issuing a
beep code. One single short beep will be heard if no problem is detected at system startup.
Pin No.
Definition
1
VCC
2
NC
3
NC
4
SPK-
DEBUG
PORT
G.QBOFM
1
10) 2W_SPKR (Speaker Header)
This header provides a 2W (4ohm) speaker on your AIO chassis.
Pin No.
Definition
1
SPK_LP
2
SPK_LN
1
11) CI (Chassis Intrusion Header)
This motherboard provides a chassis detection feature that detects if the chassis cover has been removed.
This function requires a chassis with chassis intrusion detection design.
Pin No.
Definition
1
Signal
2
GND
1
