Advantech SOM-DB5920 A1 User Manual page 38

Development board for com express type 7 pin-out

Table of Contents

Table 3.18: J15, Carrier Board SPI Power Supply

1-2

1-X

Table 3.19: J16 Front Panel Connector

3-5

6-8

12-14

11-13

18-20

Table 3.20: J18 Normal Operation / Clear COMS Selection

1-2

2-3

Table 3.21: CB_PWROK Power ok signal Pull Down/Floating Selection

1-2

2-3

2-X

SOM-DB5920 User Manual

Function

Carrier Board SPI power supply [Default]

Carrier Board SPI no power

Function

Power LED (Pin1 is positive)

Buzzer Enable

HDD LED (Pin14 is positive)

Power Button

Reset Button

Function

Clear CMOS

Normal Operation [Default]

Function

POWROK Signal Pull Down

POWROK Signal connect to Module [Default]

POWROK Signal Floating

Table of Contents

Som-db5920 a2