User`s guide

PM-9800 MAINBOARD MANUAL
11
ATX POWER FEATURES
J1 - ATX Power Supply Connector
PIN DESCRIPTION
1 3.3V
2 3.3V
3 Ground
4 +5V
5 Ground
6 +5V
7 Ground
8 Power OK
9 5VSB
10 +12V
11 3.3V
12 -12V
13 Ground
14 PS-On
15 Ground
16 Ground
17 Ground
18 -5V
19 +5V
20 +5V
The functions that described in this chapter will not be available unless the ATX power
connector is being used.
JP2 (POW SW) - POWER SWITCH
•When the system is off, push the power button to turn the system on.
•When the system is on, push the power button rapidly to switch the system to the
Suspend mode and by pushing and holding the button for more than 4 seconds, it will turn
the system completely off.
•When the system is in the Suspend mode, push the power button rapidly to turn the
system on.
MODEM RING POWER-ON
•While in soft-off/suspend state, if an external modem ring-up signal occurs, the system
wakes up and can be remotely accessed.
•Make sure that the Resume On Ring option is set to ENABLED in the BIOS setup section
(Refer to the Power Management section in Chapter 4).
RTC SOFT POWER-ON
•If you want to auto boot the system at a certain time, set the function of RTC Alarm time
properly and the function of RTC Alarm Resume From Soft-Off option in the BIOS Setup
section will be set to ENABLED.
WINDOWS 95 SHUT DOWN
•If ATX Power is used, the “It is now safe to turn off your computer” message will not be
shown when you are shutting down the computer.