11
Secondary IDE Connector
Pin 1
10. IDE activity LED: HDLED
This connector connects to the hard disk activity indicator light on the case.
HDLED
IDE (Hard Drive) LED
-
+
3
1
11. Front Panel connector:
This 16-pin connector to connect to case front panel switch.
A. Turbo LED switch: TBLED
The motherboard‘s turbo function is always on. The turbo LED will remain constantly lit
while the system power is on. You may also to connect the Power LED from the system
case to this lead. See the figure below.
B. Reset switch lead: RST
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 life of the system‘s power supply. See the figure below.
C. Keyboard lock switch lead & Power LED: KEYLOCK & PWLED
This 5-pin connector connects to the case-mounted key switch for locking the keyboard
for security purposes and Power LED together.
D. Speaker connector: SPKR
This 4-pin connector connects to the case-mounted speaker. See the figure below.
Sy stem C a se C o n n ectio n s
Power LED / ACPI LED
VCC
GND
TBLED LED
Reset SW
GND
Speaker
VCC
GND
NC
GND
NC
GND
VCC
GND
Turbo SW / SMI
Keyboard
Lock
12. IR infrared module connector: IR1
This connector supports the optional wireless transmitting and receiving infrared module.
This module mounts to small opening on system cases that support this feature you must
also configure the setting through BIOS setup. Use the five pins as shown on the Back View
and connect a ribbon cable from the module to the motherboard according to the pin
definitions.
IR1
IR Infrared Module Connector