18
USB Port Headers
Pin 1
USB2
VCC
-
DA
TA
GN
D
+D
ATA
VCC
OC
-
DA
TA
GN
D
+D
ATA
(3) IDE Activity LED: HDLED
This connector connects to the hard disk activity indicator light on the case.
(4) 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.
(5)
Speaker connector: SPK2
This 4-pin connector connects to the case-mounted speaker. See the figure below.
(6) Power
LED
: ACPILED
The Power LED is light on while the system power is on. Connect the Power LED
from the system case to this pin.
(7) Power
switch
: PWRBT
This 2-pin connector connects to the case-mounted power switch to power ON/OFF the
system.
System Case Connections
HDL
ED
RE
SET
VCC5
GND
VCC5
AC
PI
LE
D
PW
RB
T
PW
RBT
N
ACPI
LE
D
HDD
LED
RS
TS
W
NC
GND
SPK2
SP
KR
GND
NC
VCC5
FP1
Pin 1
Pin 1
(8) Wake On-LAN Headers
(3-pin) : WOL