Chapter 2 – DFI HD100-H81 User Manual

Page 19

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19

Chapter 2 Hardware Installation

Chapter 2

Digital I/O Power Select

Digital I/O Output State

JP15

2-3 On: +5V

1-2 On: +5V_standby

(default)

JP15 is used to select the power of DIO (Digital I/O) signal.

Based on the power level of DIO (Digital I/O) selected on JP15, JP16 (DIO pin 0-3) and JP17

(DIO pin 4-7) are used to select the output state of Digital I/O: pull high or pull low. When

selecting pull high, the power selection will be the same as the JP15’s setting.

3

1

2

3

1

2

DIO 0-3

(JP16)

DIO 4-7

(JP17)

1-2 On: +5V or +5V_standby

(default)

2-3 On: GND

3

1

2

3

1

2

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