Intel Atom N2800 User Manual

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3.2.3.1 Signal Tables for the Connectors and Headers
Table 15. Front Panel Audio Header for Intel HD Audio
Pin
Signal Name
Description
1
PORT_1L
Analog Port 1  Left channel (Microphone)
2
GND
Ground
3
PORT_1R
Analog Port 1  Right channel (Microphone)
4
PRESENCE#
Active low signal that signals BIOS that an Intel HD Audio
dongle is connected to the analog header. PRESENCE#=0
when an Intel HD Audio dongle is connected
5
PORT_2R
Analog Port 2  Right channel (Headphone)
6
SENSE1_RETURN
Jack detection return for front panel (JACK1)
7
SENSE_SEND
Jack detection sense line from the Intel HD Audio CODEC
jack detection resistor network
8
KEY
No pin
9
PORT_2L
Analog Port 2  Left channel (Headphone)
10
SENSE2_RETURN
Jack detection return for front panel (JACK2)
Table 16. Front Panel Audio Header for AC’97 Audio
Pin
Signal Name
Description
1
MIC
Front panel microphone input signal (biased when
supporting stereo microphone)
2
AUD_GND
Ground used by analog audio circuits
3
MIC_BIAS
Microphone power / additional MIC input for stereo
microphone support
4
PRESENCE#
Active low signal that signals BIOS that an Intel HD Audio
dongle is connected to the analog header. PRESENCE#=0
when an Intel HD Audio dongle is connected
5
FP_OUT_R
Right channel audio signal to front panel (headphone drive
capable)
6
AUD_GND
Ground used by analog audio circuits
7
RESERVED
Reserved
8
KEY
No pin
9
FP_OUT_L
Left channel audio signal to front panel (headphone drive
capable)
10
AUD_GND
Ground used by analog audio circuits

Intel Atom N2800 Specifications

General

Brand	Intel
Model	Atom N2800
Category	Computer Hardware
Language	English