30
Pin
Signal Name
Pin
Signal Name
1
3
5
7
9
11
13
15
Active LINE Out ( R )
GND (aLO)
GND (+12)
+12V (1A)
MIC
Front LINE Out ( R )
Front LINE Out ( L )
GND (fLO)
2
4
6
8
10
12
14
16
Active LINE Out ( L )
GND (aLO)
GND (+12)
Cut away
GND (MIC)
LINE Next ( R )
LINE Next ( L )
Cut away
J2: External SMI
This header allows the user to install auxiliary front-oriented
microphone and line-out ports for easier access.
Pin
Signal Name
1
2
SMI
GMD
USB2: USB port 3, 4 connector
The mainboard has two USB ports installed on the rear edge
I/O port array. Additionally, some computer cases have USB
ports at the front of the case. If you have this kind of case, use
auxiliary USB connectors USB2 to connect the front-mounted
ports to the mainboard.
Pin
Signal Name
Pin
Signal Name
1
3
5
7
9
USBVCC
-DATA1
+DATA1
Cut away
GROUND
2
4
6
8
10
GROUND
Cut away
+DATA3
-DATA3
USBVCC
SIR1: Serial infrared port
The mainboard supports a Serial Infrared (SIR) data port. In-
frared ports allow the wireless exchange of information
between your computer and similarly equipped devices such
as printers, laptops, Personal Digital Assistants (PDAs), and
other computers.