M
X
3
4
M
X
3
4
M
o
d
e
m
A
u
d
M
o
d
e
m
A
u
This connector is used to connect Mono In/Mic Out cable from internal modem card to onboard
sound circuit. The pin 1-2 is Mono In, and the pin 3-4 is Mic Out. Please note that there is no
standard for this kind of connector yet, only some internal modem cards implement this connector.
Pin 1
i
o
C
o
n
n
e
c
t
d
i
o
C
o
n
n
e
c
t
o
r
o
r
42
O
n
l
i
n
e
M
a
n
u
O
n
l
i
n
e
M
a
n
Mono-In (To Modem)
GND
GND
MIC-Out (From Modem)
a
l
u
a
l