20
(3)
IDE Activity LED: IDELED
This connector connects to the hard disk activity indicator light on the case.
(4)
Turbo LED switch: TBLED
Since the motherboard’s turbo function is always on. The turbo LED will remain
constantly on while the system power is on. You may wish to connect the Power LED
from the system case to this lead. See the figure below.
(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)
Keyboard lock switch: KEYLOCK
This 2-pin connector connects to the case-mounted key switch for locking the keyboard
for security purposes.
(7)
Speaker connector: SPKR
This 4-pin connector connects to the case-mounted speaker. See the figure below.
(8)
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.
(9)
Power switch: PWR BTN
This 2-pin connector connects to the case-mounted power switch to power ON/OFF the
system.
System Case Connections
GND
Turbo LED
GND
Reset SW
VCC
GND
Turbo SW/
Speaker
VCC
NC
GND
GND
Keyboard
Lock
Power LED
NC
GND
VCC
SMI
IDELED
PWR BTN
(10) Wake On-LAN Headers ( 3-pin) : WOL
This connector connects to a LAN card with a WAKE ON-LAN output. This
connector power up the system when a wake up signal is received through the
LAN card.
