Aplex Technology ACS-2663C - Manual (Page 32)

ACS-266XC User Manual 32
Ground 39 40 Ground
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. SATA_P1/SATA_P2:
(2.5mm Pitch 1x2 Pin wafer connector), Two onboard 5V output connectors are reserved to provide
power for SATA devices.
Pin# Signal Name
1 +DC5V
2 Ground
Note:
Output current of the connector must not be above 1A.