Acnodes PCH 3582 - Manual (Page 17)

Open ATX Power Mode
Close Power Auto on (Default)
6. BAT: (1.25mm Pitch 1x2 box Pin Header) 3.0V Li battery is embedded to provide
power for CMOS.
Pin#
Signal
Name
Pin1 VBAT
PIN2 Ground
7. F_PANEL: (2.0mm Pitch 2X5 Pin Header), Front panel connector.
Signal Name Pin# Pin# Signal Name
HD LED+ 1 2 POWER
LED+
HD LED- 3 4 POWER LED-
Ground 5 6 PWRBTN
RESET 7 8 Ground
BUZZER+ 9 10 BUZZER-
Pin1-3: HDD LED, They are used to connect hard disk activity LED. The LED blinks
when the hard disk is reading or writing data.
Pin2-4: POWER LED, They are used to connect power LED. When the system is
powered on or under S0/S1 state, the LED is normally on; when the
system is under S4/S5 state, the LED is off.
Pin5-6: POWER on/off Button, They are used to connect power switch button.
The two pins are disconnected under normal condition. You may short
them temporarily to realize system startup & shutdown or awaken the
system from sleep state.
Pin7-8: RESET Button, They are used to connect reset button. The two pins are
dis-
connected under normal condition. You may short them temporarily to
realize
system reset.
Pin9-10: BUZZER, They are used to connect an external buzzer.
Note:
When connecting LEDs and buzzer, pay special attention to the signal
polarity. Make sure that the connector pins have a one-to-one
correspondence with chassis wiring, or it may cause boot up failure.