15
(3) USB Port Headers (9-pin) : USB3
The header is 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
Pin 1
USB3
VCC
-
DAT
A
GND
+
DAT
A
VC
C
OC
-
DAT
A
GN
D
+
DAT
A
(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) Speaker connector: SPEAK
This 4-pin connector connects to the case-mounted speaker. See the figure below.
(7) 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.
(8) Power switch: PWR BTN
This 2-pin connector connects to the case-mounted power switch to power ON/OFF the
system.
System Case Connections
FP
PWR LED
Pin 1
Pin 1
HD
LE
D
RE
SE
T
VC
C5
GN
D
VCC5
AC
PI
LE
D
PW
RB
TN
PW
RB
TN
AC
PI
LE
D
HD
DL
ED
RS
TS
W
NC
G
ND
SPK
SPKR
GND
NC
VCC5
Pin 1
