The KM266-MVB Mainboard
Page 16
Hardware Installation
2.5.5. CD-IN/AUX-IN Connector
Connector: CN21/CN45
Type: 4 pin un-housed
The mainboard has one CD-IN connector and one AUX-IN connector. The CD-
IN connector is used to connect the CD ROM audio out and allows the system
to receive audio input from the CD ROM. The AUX-IN connector allows the
system to receive signals from other audio devices like a radio or tape.
2.5.4. ATX Power Supply Connector
Connector: CN15-A
Type: 20 pin block
The mainboard comes with an onboard power supply connector labeled CN15-
A. CN15-A is a regular ATX power supply connector. This must be connected to
an ATX power supply. The plug from the power supply can only be inserted in
one orientation. Make sure the pins are correctly aligned. Find the correct ori-
entation and push the plug down firmly.
ATX Power Supply Connector
Pin 1
+3
.3
VDC
+3
.3
VDC
COM
+5
VD
C
COM
+5
VD
C
COM
PWR
_OK
+5
VS
B
+1
2V
DC
+3
.3
VDC
-1
2V
DC
COM
PS
_O
N#
COM
COM
COM
-5
VDC
+5
VD
C
+5
VD
C
Pin 11
1 Left Channel CD/AUX-IN
2 Ground
3 Ground
4 Right Channel CD/AUX-IN
Top View of a CD/AUX-IN
Connector
Front View of a CD/AUX-IN
Connector
Right Channel
CD-IN/
AUX-IN
Left Channel
CD-IN/
AUX-IN
Ground
Ground
