Aaeon EMB-Q77A Manual de usuario Pagina 35

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Chapter 2: Motherboard information
EMB-Q77A Speaker Out Connector
+5V
GND
GND
Speaker Out
SPEAKER
PIN 1
EMB-Q77A MINICARD connector
MINICARD
12. Minicard connector
Use this connector to connect a Minicard reader.
13. Internal monophonic speaker connector (2-pin INT_SPKR1)
The internal mono speaker header allows connection to an internal, low-
power speaker for basic system sound capability. The subsystem is capable
of driving a speaker load of 4 Ohms at 2 Watts (rms).
11. Speaker connector (4-pin SPEAKER)
The 4-pin connector is for the chassis-mounted system warning speaker. The speaker
allows you to hear system beeps and warnings.
EMB-Q77A  INT_SPKR connector
R_OUT+
R_OUT-
PIN 1
INT_SPKR1
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