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ASUS P4S533-E motherboard user guide
39
16. Digital Audio connector (6 pin SPDIF1) (optional)
This connector connects an S/PDIF audio module that allows digital
instead of analog sound output and input. Connect one end of the audio
cable to the S/PDIF connector on the motherboard, and the other end to
the S/PDIF module.
P4S533-E
®
P4S533-E Digital Audio Connector
SPDIF1
GND
+5V
SPDIF_IN
SPDIF_OUT
GND
1
The S/PDIF module is not included in the motherboard package.
P4S533-E
®
P4S533-E Chassis Alarm Lead
CHASSIS1
+5VSB_MB
Chassis Signal
GND
17. Chassis Open Alarm lead (4-1 pin CHASSIS1)
This lead is intended for a chassis that supports intrusion detection. The
lead requires an external detection mechanism such as a chassis intrusion
monitor/sensor or microswitch. When any chassis component is removed,
the sensor is triggered and a high-level signal is sent to this lead to record
a chassis intrusion event. The event is then be processed by software
such as LDCM. When not using the chassis intrusion lead, place a jumper
cap over the pins to close the circuit. Removing the jumper cap prevents
the system from booting up.