Asus P4T533 P4T533 User Manual - Page 54

Hardware information, Internal audio connectors Three 4-pin CD, AUX, MODEM, Chassis Open

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17. Internal audio connectors (Three 4-pin CD, AUX, MODEM) (optional) These connectors allow you to receive stereo audio input from sound sources such as a CD-ROM, TV tuner, or MPEG card. The MODEM connector allows the onboard audio to interface with a voice modem card with a similar connector. It also allows the sharing of mono_in (such as a phone) and a mono_out (such as a speaker) between the audio and a voice modem card. MODEM Modem-In Left Audio Channel Ground Ground Ground Ground P4T533 Modem-Out Right Audio Channel ® AUX (White) CD(Black) P4T533 Internal Audio Connectors 18. Chassis Open Alarm Lead (4-1 pin CHASSIS) 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. CHASSIS +5VSB_MB Chassis Signal GND P4T533 ® P4T533 Chassis Alarm Lead 40 Chapter 2: Hardware information

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40
Chapter 2: Hardware information
17. Internal audio connectors (Three 4-pin CD, AUX, MODEM)
(optional)
These connectors allow you to receive stereo audio input from sound
sources such as a CD-ROM, TV tuner, or MPEG card. The MODEM
connector allows the onboard audio to interface with a voice modem
card with a similar connector. It also allows the sharing of mono_in (such
as a phone) and a mono_out (such as a speaker) between the audio and
a voice modem card.
P4T533
P4T533 Internal Audio Connectors
MODEM
Modem-In
Ground
Modem-Out
Ground
CD(Black)
AUX (White)
Right Audio Channel
Left Audio Channel
Ground
Ground
P4T533
P4T533
Chassis Alarm Lead
CHASSIS
+5VSB_MB
Chassis Signal
GND
18. Chassis Open Alarm Lead (4-1 pin CHASSIS)
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.