16
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 (3-pin), 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.
System Case Connections
HD
L
E
D
RE
S
E
T
VC
C
5
GN
D
VC
C
5
PW
R
L
E
D
PW
R
B
T
N
PW
R
B
T
N
PW
R
L
E
D
HD
D
L
E
RS
T
S
W
NC
GN
D
JW FP
Pin 1
SPEAK
SP
K
R
GN
D
NC
VC
C
5
Pin 1
PWRLED
Pin 1
FAN Power Headers
SYSFAN1
SYSFAN2
CPUFAN
1
4
GN
D
+1
2V
CP
UF
AN
IN
CP
UF
AN
O
UT
1
3
1
3