Asus P4B533 User Manual page 57

13. Internal audio connectors (4-pin CD1, AUX, MODEM)
(on audio models only)
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.
P4B533 Internal Audio Connectors
14. Line in connector (5-pin FP_LINE_IN) (on audio models only)
This connector is for a front panel Line In jack with a return path for
automatic signal switching. By default, pins 1-2 and pins 4-5 are
shorted with jumper caps to make the Line In source available from the
rear panel Line In jack. Remove the jumper caps if you desire to install
the Intel front panel audio cable.
P4B533 LINE_IN Connector
ASUS P4B533 motherboard user guide
P4B533
FP_LINE_IN
P4B533
AUX (White) CD(Black)
Left Audio Channel
Ground
Ground
Right Audio Channel
MODEM
Modem-Out
Ground
Ground
Modem-In
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