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(4) 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.
(5) IDE Activity LED: HD LED
This connector connects to the hard disk activity indicator light on the case.
(6) Power switch: PWR BTN
This 2-pin connector connects to the case-mounted power switch to power ON/OFF the
system.
(7) Speaker connector: SPEAK
This 4-pin connector connects to the case-mounted speaker. See the figure below.
(8) 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.
(9) FAN Headers (3-pin) : SYSFAN1, SYSFAN2, CPUFAN
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.
PWRLED
Pin 1
JW FP
SPEAK
Pin 1
Pin 1
System Case Connections
CPUFAN
3
1
SYSFAN1
3
1
SYSFAN2
3
1
FAN Headers
16
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