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L7VTA3 V3.1a
LAUDIO1: Front panel audio header
This header (which is specially designed for OEM customers) allows the user
to install auxiliary front-oriented microphone and line-out ports that comply
with the OEM specifications.
Pin
Signal Name
1
ALOR
3
GROUND
5
GROUND
7
+12V
9
MIC
11
FLOR
13
FLOL
15
GROUND
USB2: USB panel connector
The mainboard has USB ports installed on the rear edge I/I port array. How-
ever, some computer cases have a special module that mounts USB ports at
the front of the case. If you have this kind of case, use auxiliary USB connec-
tor USB2 to connect front-mounted ports to the mainboard
Pin
Signal Name
1
VCC
3
Data0-
5
Data0+
7
Ground
9
Key
LUSB1: Internal USB connector
This USB panel connector (which is specially designed for OEM customers)
connects to the front panel or case USB ports that comply with the OEM
specifications.
Pin
Signal Name
1
VCC
3
Data0-
5
Data0+
7
Key
9
Ground
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.
Pin
Signal Name
2
ALOL
4
GROUND
6
GROUND
8
KEY
10
GROUND
12
LNR
14
LNL
16
EMPTY
Pin
Signal Name
2
VCC
4
Data1-
6
Data1+
8
Ground
10
OC-
Pin
Signal Name
2
Ground
4
Key
6
Data1+
8
Data1-
10
VCC
22
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