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Acnodes PC 8719 User Manual

Page 26

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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.