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(2) USB Port Headers (9-pin): USB1/USB2/USB3/USB4
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: SPEAKER1
This 4-pin connector connects to the case-mounted speaker. See the figure
below.
(4) Power LED: PWR LED1/ 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) Hard disk 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.
USB
Pin 1
USB Port Headers
PWRLED1
Pin 1
JW FP1
SPEAK1
Pin 1
Pin 1
System Case Connections
16
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