Aplex Technology APC-3519 - Manual (Page 32)

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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.
40. 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.
41. 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.
SATA_P2 (2Pin or 4Pin)
Pin# Signal Name
1 +DC5V
2 Ground
3 Ground (NC)
4 +DC12V (NC)
SATA_P4 (option):
Pin# Signal Name
1 +DC5V （NC）
2 Ground （NC）
3 Ground （NC）
4 +DC12V （NC）
Note:
Output current of the connector must not be above 1A.