Ultra 440BX ATX Mainboard
INSTALLATION
3-12
1.
RS
Reset Button Connector
Pin #
Signal name
Pin1&2
Function
1
Reset Control
Open
No action
2
Ground
Short
System Reset
2.
HL
IDE HDD LED Connector
Pin #
Signal name
1
+ 5V DC Pull-up
2
HDD Active Signal
3.
SL
Sleep LED Connector
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
4.
PW
Power On / Off and External Suspend Switch Connector
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 4.9 for BIOS setup)
•
If the setup in CMOS is “Delay 4 Sec.”, the function of “PW” 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 4.9 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. (turn into the GREEN mode)
a-2. Press and hold this switch for more than 4 seconds, the system
will be powered off.
b. When the system is in Suspend mode :
b-1. Click on this switch ( less than 4 seconds ), the system will return
to Full-ON mode.
b-2. Press and hold this switch more than 4 seconds, the system will
be powered off.
