Switch Settings; Switch (Sw1); Connector; Debug Header (Cn2) - AXIOMTEK SCM188 User Manual

2.4 Switch Settings

2.4.1 SWITCH (SW1)

SCM188 switch settings mode as followed.
Function
Boot by Carrier Board's setting
(SCM188 Default)
OS Flash
(Flash image)
Boot from eMMC
Boot from SD Card

2.5 Connector

2.5.1 Debug Header (CN2)

This board has a Debug Port (CN2) for debugging.
Pin Signal
1 UART2_TXD (1.8V TTL Level)
2 UART2_RXD (1.8V TTL Level)
3 GND
Board and Pin Assignments
SCM188 NXP i.MX 8M Plus ARM-based SMARC Module
Setting
SW1 OFF
SW2 OFF
SW3 OFF
SW4 OFF
SW1 ON
SW2 OFF
SW3 OFF
SW4 ON
SW1 ON
SW2 OFF
SW3 ON
SW4 OFF
SW1 ON
SW2 OFF
SW3 ON
SW4 ON
Switch Setting
1 3
9