IEI Integration NOVA-HM551 v1.10 - Manual (Page 32)

NOVA-HM551 5.25" SBC
Page 18
3.2 Internal Peripheral Connectors
The section describes all of the connectors on the NOVA-HM551.
3.2.1 Audio Connector
CN Label: AUDIO1
CN Type: 10-pin header (2x5)
CN Location: See Figure 3-2
CN Pinouts: See Table 3-3
The audio connector is connected to external audio devices including speakers and
microphones for the input and output of audio signals to and from the system.
Figure 3-2: Audio Connector Location
Pin Description Pin Description
1 MIC-L 2 ANALOG GND
3 MIC-R 4 PRESENCE#
5 LINE-R 6 MIC-JD
7 FRONT-IO 8 NC
9 LINE-L 10 INE-JD
Table 3-3: Audio Connector Pinouts