CHAINTECH 6VJD2, User Manual

Page: 13 / 51

Chapter 2
10
2-4 Connector and Jumper Settings
Connectors are used to link the system board with other parts of the system, including
the power supply, the keyboard, and the various controllers on the front panel of
the system case.
The power supply connector is the last connection to be made while installing a
mainboard. Before connecting the power supply, please make sure it is not
connected to the power source.
ATX Power Supply Connector (PW1)
The power cord leading from the system's power
supply to the external power source must be the
very last part connected when assembling a
system.
The ATX power supply provides a single 20-pin
connector interface which incorporates st/
-5V, +/-12V, optional 3.3V and Soft-power signals.
The Soft-power signal, a 5V trickle supply is
continuously supplied when AC power is available.
When the system is in the Soft-Off mode, this trickle
supply maintains the system in it's minimum power
state.
Software Power-Off Control
This mainboard can be powered down using theWindows 95 Software Power-Off
function. To power down your computer, click the START button on the Windows 95
task bar. Select "Shut Down The Computer" and the system turns off. The message "It
is now safe to turn off your computer" will not be shown when using this function.
Power-On By Modem
While in Soft-off state, if an external modem ring-up signal occurs, the system wakes up
and can be remotely accessed. You may enable this function in BIOS's Power
Management Setup menu. (See section 3-5)