Asus P4B266-C - Manual (Page 52)

2-30 Chapter 2: Hardware information
10. Internal line in connector (5-pin LINE_IN) (on audio models only)
This connector connects to an optional front panel audio module using
a 5-pin audio cable. If your chassis has this audio module, you may
conveniently connect a microphone on the front panel.
11. Front panel audio connector (10-1 pin AAPANEL)
(on audio models only)
This is an interface for the Intel front panel audio cable that allow
convenient connection and control of audio devices.
Make sure to remove the caps from the LINE_IN connector, and the
LO_L and LO_R jumpers if you installed the Intel front panel audio
cable. Refer to page 2-23 for the location of the jumpers.
P4B266-C
®
P4B266-C LINE_IN Connector
LINE_IN
AGND BLINE_IN_L ALINE_IN_L ALINE_LIN_R BLINE_LIN_R
1
P4B266-C
®
P4B266-C Audio Panel Connector
AAPANEL
MICPWR
AGND
BLine_out_R
1
BLine_out_L
+5VA
ALine_out_R
ALine_out_L
NC
6
5 10
By default, pins 1 & 2 and pins 4 & 5 are shorted with jumper caps to
make the Line In source available from the rear LINE IN jack. Remove
these caps if you installed the Intel front panel audio cable.