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(2) USB Port Headers (9-pin) : USB1 / 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.
(3) Speaker connector: SPEAK1
This 4-pin connector connects to the case-mounted speaker. See the figure below.
(4) Power LED: PWR LED1
The Power LED is light on while the system power is on. Connect the Power LED from
the system case to this pin.
(5) IDE 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.
System Case Connections
HDLED
RESET
VCC5
GND
VCC5
PWR LED
PWRBTN
PWRBTN
PWRLED
HDDLE
RSTSW
NC
GND
JW FP
Pin 1
SPEAK
SPKR
GND
NC
VCC5
Pin 1
PWRLED
Pin 1
USB Port Headers
Pin 1
USB1
VCC
-DATA
GND
+DATA
VCC
OC
-DAT
A
GND
+DATA
Pin 1
USB2
VCC
-DAT
A
GND
+DATA
VCC
OC
-DATA
GND
+DATA