9
3-2 Headers
(1)
Line-Out/MIC Header for Front Panel (9-pin):
AUDIO1
These headers connect to Front Panel Line-out, MIC
connector with cable.
(2)
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.
(3) Speaker connector: SPEAK
This 4-pin connector connects to the case-mounted
speaker. See the figure below.
(4) Power LED: PWR LED
The Power LED is light on while the system power
is on. Connect the Power LED from the system
case to this pin.
(5) IDE Activity LED: HD LED
This connector connects to the hard disk activity
indicator light on the case.
(6) Reset switch lead: RESET
This 2-pin connector connects to the case-mounted
reset switch for rebooting your computer without
having to turn off your power switch. This is a preferred method of rebooting in order
to prolong the lift of the system’s power supply. See the figure below.
(7) Power switch: PWR BTN
This 2-pin connector connects to the case-mounted power switch to power ON/OFF the
system.
(8) FAN Power Headers: SYSFAN1, SYSFAN2 (3-pin), CPUFAN (4-pin)
These connectors support cooling fans of 350mA (4.2 Watts) or less, depending on the
fan manufacturer, the wire and plug may be different. The red wire should be positive,
while the black should be ground. Connect the fan’s plug to the board taking into
consideration the polarity of connector.
USB Port Headers
Pin 1
USB1
VC
C
-
DAT
A
GND
+DAT
A
VC
C
OC
-
DAT
A
GND
+DAT
A
Pin 1
USB2
VC
C
-
DA
TA
GN
D
+D
AT
A
VC
C
OC
-
DAT
A
GN
D
+DAT
A
System Case Connections
HD
L
E
D
RE
S
E
T
V
CC5
G
ND
V
CC5
P
W
R L
E
D
PW
R
B
T
N
P
W
RBT
N
PW
R
L
ED
HDDLE
RS
T
S
W
NC
G
ND
JW FP
Pin 1
SPEAK
S
P
KR
GN
D
NC
V
CC5
Pin 1
PWRLED
Pin 1
ALC662
Line-Out, MIC Headers
AUDIO
Pin 1
MI
C2-
L
LI
NEO
UT
2-L
MI
C2
-
R
LIN
EOU
UT
2-R
SEN
SE
-FB
AU
D
_
GN
D
AU
D
_
GN
D
AU
D
_
GN
D
AU
D
_
JD
9
2
9
10
