User Guide

16
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
Pin 1
USB1
VCC
-
DATA
GND
+DATA
VCC
OC
-
DATA
GND
+DATA
(4) IDE Activity LED: HD-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
SPEAK
SPKR
GND
NC VCC5
Pin 1
JW
_
FP1
Pin 1
RESET
PWR-BTN
HDLED
VCC5
HDDLED
PWR-LED
PWRBTN
GND
ACPILED
VCC5
RSTSW
GND
NC
(9) Wake On-LAN/Modem Headers
(3-pin) : WOM, WOL
This connector connects to a LAN/Modem card with a WAKE ON-LAN/Modem
output. This connector power up the system when a wake up signal is received through
the LAN/Modem card.
NOTE: This feature requires that Wake On LAN or Ring In Wake up is enabled.