Acnodes PC 8719 - Manual (Page 26)

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.
Pin25~40: USB0/USB1/USB2/USB3, Front USB connector, it provides 4 USB ports via
a dedicated USB cable, speed up to 480Mb/s.
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_P3:
(2.5mm Pitch 1x2 box Pin Header), 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.
42. SATA_P2/SATA_P4:
(2.5mm Pitch 1x4 box Pin Header), Two onboard 5V and 12V output connectors are reserved to
provide power for SATA devices.