19
AUDIO1: Front panel MIC/speaker-out header
This header allows the user to install auxiliary front-oriented microphone and
line-out ports for easier access.
Pin
Signal Name
Pin
Signal Name
1
3
5
7
9
MICIN
MICBIAS
SPKOUTR
KEY
SPKOUTL
2
4
6
8
10
AGND
5V
XSPKOUTR
EMPTY
XSPKOUTL
LAUDIO1: Front Audio Connector
This connector is used to attach to Audio equipment embedded into or at-
tached to the case.
Pin
Signal Name
Pin
Signal Name
1
3
5
7
9
11
13
15
ALOR
AGND
AGND
+12V
MIC
FLOR
FLOL
AGND
2
4
6
8
10
12
14
16
ALOL
AGND
AGND
KEY
AGND
LNR
LNL
KEY
LUSB 1/2: Internal USB connector
The mainboard has two USB ports (which is specially designed for OEM cus-
tomers) installed on the rear edge I/O port array that comply with the OEM
specifications. However, some computer cases have a special module that
mounts USB ports at the front of the case.
Pin
Signal Name
Pin
Signal Name
1
3
5
7
9
USBPWR0
-DATA0
+DATA0
GROUND
GROUND
2
4
6
8
10
GROUND
KEY
+DATA1
-DATA1
USBPWR1
If you have this kind of case, use the auxiliary USB connectors USB2 and
USB1 to connect the front-mounted ports to the mainboard.
Note:
Please make sure that the USB cable has the same pin assignment as indi-
cated above. A different pin assignment may cause damage or system
hang-up.