25
(3) Speaker connector: SPEAK
This 4-pin connector connects to the case-mounted speaker. See the figure below.
(4) IDE Activity LED: IDE LED
This connector connects to the hard disk activity indicator light on the case.
(5) 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.
(6) 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.
(7) Power switch: PWR BTN
This 2-pin connector connects to the case-mounted power switch to power ON/OFF the
system.
System Case Connections
JW_FP
SPEAK
SP
KR
GND
NC
VCC5
Pin 1
Pin 1
HDL
ED
RE
SE
T
VCC5
GN
D
VCC5
PW
RL
ED
PW
RB
TN
PW
RB
TN
PW
RL
ED
HDD
LE
D
RS
TS
W
NC
GND
(8) FAN Headers (4-pin) : CPUFAN
FAN Headers (3-pin) : SFAN1, SFAN2
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.
FAN Headers
SFAN1
CPUFAN
SFAN2
1
3
1
3
1
4