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(2) USB Port Headers (9-pin header): 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
USB2
VCC
−
DATA
+DATA
GND
NC
VCC
−
DATA
+DATA
GND
NC
Pin 1
(3) IDE Activity LED: HDLED
This connector connects to the hard disk activity indicator light on the case.
(4) Turbo LED switch: TRBLED
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.
(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) Speaker connector: SPKE
This 4-pin connector connects to the case-mounted speaker. See the figure below.
(7) Power LED: PW LED
The Power LED is light on while the system power is on. Connect the Power
LED from the system case to this pin.
(8) Power switch: PWRIN
This 2-pin connector connects to the case-mounted power switch to power
ON/OFF the system.