Copyright
©
2016
congatec
AG
ICSLm13.indd
44/95
Connector Type
X28: 2.54 mm, 1x6-pin header
5.8.2.3
Front Panel (HD Audio/AC97)
The front panel HD audio signals of the Realtek ALC888S HDA audio codec are routed to connector X27. The pinout description of the
connector is shown below:
Table 33 HDA/AC97 Front Panel (Connector X27) Pinout Description
Pin Signal
Description
1
MIC2_L
2nd analog stereo microphone input - left channel
2
GND_HDA
Audio ground
3
MIC2_R
2nd analog stereo microphone input - right channel
4
PRESENCE#
Active low signal that indicates that an Intel HD Audio dongle is
connected to the analog header.
5
LINE2_R
2nd analog line output - right channel (headphone)
6
MIC2_JD
Microphone jack detection
7
SENSE
Jack detection for HDA codec
8
KEY
No pin
9
LINE2_L
2nd analog line output - left channel (headphone)
10
LINE2_JD
Line output jack detection
Connector Type
X27: 2.54 mm, 2x5-pin header
Front Panel Audio - Connector X27
No Pin
Pin 1
Pin 10