Connector And Jumper Settings - CHAINTECH 9EJL4 User Manual

2-4 Connector and Jumper Settings

Connectors are used to link the system board with other parts of the system,
including power supply, 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 motherboard. Before connecting the power supply, please
make sure it is not connected to the power source.
All cables that provided by CHAINTECH come with a security-proof.
PW 1 / 2 (ATX Power Supply Connector):
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
standard +/-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 its
minimum power state.
The ATX 12V power supply has a new +12V (4-pin) and +5V / 3.3V (6-pin)
auxiliary power connector to enable the delivery of more +12 VDC and + 5/ 3.3V
VDC current to the motherboard.
Power-On By Modem:
While in Soft-Off state, if an external modem ring-up signal occurs, the system will
be activated and therefore can be remotely accessed. You may enable this function in
BIOS's Power Management Setup menu. (See section 3. 5)
Chapter 2
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