User`s manual

ENDAT-D2550 USERS MANUAL

UNICORN COMPUTER CORP.

J6, J7, J11: Pin Header for USB 4, 5, 6, 7 ports (2x5 with 2.54mm)

Pin No. Function Pin No. Function

1 USB_VCC 2 USB_VCC

3 USBD4- 4 USBD5-

5 USBD4+ 6 USBD5+

7 USB_GND 8 USB_GND

9 KEY 10 USB_GND

Notice: JUSBP7 sets USN PORT7 as PCIe slot or USB Header.

J4: Digital I/O Header (2x7 with 2.0mm)

Pin No. Function Pin No. Function

1 +5V 2 +5V

3 DIO-OUT0 4 DIO-IN0

5 DIO-OUT1 6 DIO-IN1

7 DIO GND 8 DIO GND

9 DIO-OUT2 10 DIO-IN2

11 DIO-OUT3 12 DIO-IN3

13 +3.3V 14 +3.3V

J3: Digital I/O Header (2x7 with 2.0mm)

Pin No. Function Pin No. Function

1 +5V 2 +5V

3 DIO-OUT4 4 DIO-IN4

5 DIO-OUT5 6 DIO-IN5

7 DIO GND 8 DIO GND

9 DIO-OUT6 10 DIO-IN6

11 DIO-OUT7 12 DIO-IN7

13 +3.3V 14 +3.3V

J8: LINE-OUT & CD-IN Header (2 x 4 with 2.54mm)

Pin No. Signal (KB) Pin No. Signal (MS)

1 LINE_OUT_L 2 CD_IN_R

3 JACK_DETECT 4 GND_AUD

5 GND_AUD 6 GND_AUD

7 LINE_OUT_R 8 CD_IN_L

Notice: Please connect the jack detect pin to “GND_AUD” if the actual

connector cannot support the jack detect function!