21
Installing the Motherboard
Connecting Optional Devices
Refer to the following for information on connecting the motherboard’s optional devices:
AUDIO1: Front Panel Audio header (Optional)
This header allows the user to install auxiliary front-oriented microphone and line-out ports
for easier access.
Pin
Signal Name
Function
1
FMICIN_L
Left Front Microphone input signal
2
AUD_GND
Ground used by Analog Audio Circuits
3
FMICIN_R
Right Front Microphone input signal
4
NC
Not connected
5
LOUTR
Right line out
6
NC
Not connected
7
FMIC_JD
Front microphone jack detect
8
Key
No Pin
9
LOUTL
Left line out
10
FOUT_JD
Front line-out jack detect
Pin
Signal Name
Function
1
PORT 1L
2
AUD_GND
3
PORT 1R
4
PRESENCE#
5
PORT 2R
6
SENSE1_RETURN
7
SENSE_SEND
8
KEY
Pin
Signal Name
Pin
Signal Name
9
PORT 2L
10
SENSE2_RETURN
Summary of Contents for RS485M-M
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Page 2: ......
Page 10: ...4 IntroducingtheMotherboard Motherboard Components...
Page 12: ...6 IntroducingtheMotherboard Memo...
Page 32: ...26 InstallingtheMotherboard...
Page 54: ...48 Using BIOS...
