440EX/LX AT
MAINBOARD
HARDWARE SETUP
3-14
2.
HL
IDE HDD LED Connector
Pin # Signal name
1
+ 5V DC Pull-up
2
HDD Active Signal
3.
TL
TURBO LED Connector
Pin # Signal name
1
+ 5V DC Pull-up
2
Ground
4.
SL
Sleep LED Connector (
valid only with ATX power
supply
)
This LED will be lightened when the AC power is connected and the
system is power off, darkened when the AC power is disconnected or the
system is powered on.
Pin # Signal name
1
Signal Pin
2
Ground
5.
PW
Power On / Off and External Suspend Switch Connector
5-a. When this mainboard has the ATX power supply connected, According to the
setup in CMOS, the PW connector has two functions. It can be the Power
Switch or Suspend Switch of your PC system.(please refer to Section- 4-7 and
section 4-8 for BIOS setup)
Q
If the setup in CMOS is “Delay 4 Sec.”, the switch function will be
:
A. When system is power off :
Press this switch, the system will power on. (when “password” is
selected in the CMOS setup program, you will be unable to use the PW
button to turn on the power of the PC system, please see Section 2-2
and Section 4-8 for more details. )
B. When system power is on :
a. The system is in Full-ON mode :
a-1. Click on this switch ( less than 4 seconds ), the system will be
turned into Suspend mode. (get into a GREEN mode)
a-2. Press and hold this switch for more than 4 seconds, the system
will be powered off.
