14
2-6-2 Headers
(1) Line-In/Out, MIC Header (9-pin): AUDIO
This header connect to Front Panel Line-In, Line-out, MIC connector with cable.
Line-In/Out, MIC Headers
AUDIO
Pin 1
AUD_MIC
AUD_FPOUT_L
AUD
_
MIC
_
BIAS
AUD_FPOUT_R
HP_ON
AUD_GND
AUD_RET_L
AUD_RET_R
AUD_VCC
2
9
10
(2) Serial Port2 COM2 Headers (9-pin) : COM2
COM2
Pin 1
Note: Orient the read marking on the
COM2 ribbon cable to pin 1
Serial Port2 COM2 Header
(3) USB Port Headers (9-pin) : USB1, USB2
These headers are used for connecting the additional USB port plug. By attaching an
option USB cable, your can be provided with two additional USB plugs affixed to the
back panel.
USB Port Headers
Pin 1
USB1
VCC
-
DA
TA
GN
D
+
DAT
A
VCC
OC
-
DAT
A
GN
D
+
D
AT
A
Pin 1
USB2
VC
C
-
DAT
A
GND
+
D
AT
A
VCC
OC
-
DAT
A
GND
+
DAT
A
(4) IDE Activity LED: IDE LED
This connector connects to the hard disk activity indicator light on the case.
(5) Turbo LED switch: TB LED
Since the motherboard’s turbo function is always on. The turbo LED will remain
constantly on while the system power is on. You may wish to connect the Power LED
from the system case to this lead. See the figure below.