Aplex ACS-2645, User Manual

Page: 32 / 69

ACS-2645 User Manual 32
Pin1/Ground: HDD LED , They are used to connect hard disk activity LED. The LED blinks when
the hard disk is reading or writing data.
Pin2/Pin4: 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.
Pin7/Ground: RESET Button , They are used to connect reset button. The two pins are
disconnected under normal condition. You may short them temporarily to realize
system reset.
Pin6/Pin8: 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.
Pin9/Pin10: BUZZER , They are used to connect an external buzzer.
Pin11~Pin18: GPIO IN/GPIO OUT, General-purpose input/output port, it provides a group of
self-programming interfaces to customers for flexible use.
Pin19~Pin24: PS2 KB/MS, PS/2 keyboard and mouse port, the port can be connected to PS/2
keyboard and mouse via a dedicated cable for direct used.
Note:
When connecting LEDs and buzzer and GPIO and USB, 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.
41. GPIO:
(3.5mm Pitch 2x5 Pin Connector),General-purpose input/output port, it provides a group of
self-programming interfaces to customers for flexible use.