2.5 ATX 6PIN Connector (POWER OUT)
Connector
location
PWROUT1
Connector pin
definition
Pin
Signal
Pin
Signal
1
+12V
2
+12V
3
EXT_DI1
4
GND
5
GND
6
EXT_DI2
3.0 IGNITION POWER MANAGEMENT
Startup/shutdown conditions from the IGNITION signal:
•
IGNITION startup signal must be valid during 3 sec. (anti noise protection).
•
IGNITION shutdown – IGNITION signal must be inactive during 3 Sec, then PIC
controller initiate Power Button signal (
OS must be set to shutdown from the
Power
Button
). It generate Main Button shutdown event and then goes to
complete power off.
Typically the system can start only from IGNITION signal, because startup PIC controller is
disconnected from the power source.
6
