KM18G PRO/ KM18G PRO II
20
Audio Connectors
This mainboard provides three connectors as part of its audio Subsystem.
CD-ROM Audio-In Header: CD-IN
This header is used to connect to a CD-ROM / DVD audio cable.
S/PDIF Header: SPDIF
S/PDIF (Sony/Philips Digital Interface) is an audio transfer file format, which provides high quality
audio using optical fiber and digital signals. This mainboard is capable of delivering audio output
through the SPDIF header. One way you would use this header is by using an SPDIF bracket
attached to your computer. This bracket will have a cable that you can attach to the SPDIF header.
Note that the SPDIF bracket is optional in the packaging that comes with this mainboard.
Front Panel Audio Header: FRONT AUDIO
If your computer case has been designed with embedded audio equipment. You can attach these
components to the FRONT_AUDIO panel of the mainboard. First remove the jumper caps covering
the FRONT_AUDIO pins. Use pins 1, 3 to connect to the case microphone. Use pins 9,5 to connect
to the earphone. If you do not intend to use the FRONT_AUDIO panel, do not remove the jumper
caps.
If the jumper caps are in place, jumper cap 1 is on pin
5, pin 6 and jumper cap 2 is on pin 9, pin 10.
T
V
OU
T
1
1
Ph
o
en
ix
Bi
os
A
LC
65
0
SP
D
IF
1
U1
9
WOL
JP
4
CH
A
SF
A
N
CP
U
F
A
N
SP
E
A
KE
R
Winb
on
d
W8
3627H
F
S
o
ck
et
4
6
2
U6
KB
/MS
US
B
/L
A
N
PR
T
/CO
M
/V
G
A
A
T
X
_P
W
R
SO
U
N
D
A
U
X
F
A
N
1
CD
-IN
1
1
1
1
n
VI
DI
A
nF
or
ce
2
IG
P
A
GP
PC
I1
PC
I2
PC
I3
1
1
B
A
T1
n
VI
D
IA
nF
or
c
e
2
MC
P
-T
DIM M2
DIM M3
DIM M1
PW
R
L
E
D
SW
/LE
D
1 2
1
ID
E
2
ID
E
1
FD
C
US
B
3
US
B
2
2
2
11
9 10
13
94
CN
1
1
3
9
4
C
N
2
11 22
Ir
D
A
15 26
C
A
SE
O
P
E
N
1
9 10
CO
M
2
1 2
JP
1
1
FRONT AUDIO
CD-IN
1
2
3
4
1 2
Left In
Right In
Ground
Ground
MIC
MIC_VREF
Front out_R
Front out_L
NC
NC
Rear out_L
Rear out_R
+5V
Ground
SPDIF
1
2
3
4
5
+5V
NC
SPD_OUT
Ground
SPD_IN
FR
ON
T
A
UD
IO
19 21
0
1
JP
3
