4-2 Connectors
KeyLock Connector (J27)
The KeyLock & Power LED connector is a 5-pin connector for a
physical lock that may be installed on the system casing for locking
the keyboard. It is also connected to the casing’s Power LED. Pins 1
and 3 are for the power LED, pins 4 and 5 are for keylock, and pin 2 is
empty.
Speaker Connector (JP24)
You may attach a 4-pin PC speaker cable to the PC speaker connector.
HD LED Connector (S3)
A 2-pin IDE drive LED cable is attached to this connector.
The LED lights up when an IDE device is active.
ATX Power On/Off Switch Connector (S1)
A 2-pin momentary type switch is attached to this connector.
The switch is used to turn your ATX power supply on and off.
Back Panel Connectors
Figure 4-2 below shows the back panel connectors of your
motherboard.
COM1/COM2 Connectors
Attach COM1/COM2 device cables to these connectors.
Figure 4-2: The back panel connectors.
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