SBC comm SBC-770 manual Clear Cmos J2, LCD driving voltage select J4

Clear CMOS (J2)

You can use J2 to clear the CMOS data if necessary. To reset the CMOS data, set J2 to 2-3 closed for just a few seconds, and then move the jumper back to 1-2 closed.

Clear CMOS (J2)

	Protect*			Clear CMOS
J2	1	2	3	1	2	3

*default

LCD driving voltage select (J4)

You can select the LCD connector CN6 (pin 5 and pin 6) driving voltage by setting J4. The configurations are as follows:

LCD driving voltage select (J4)

5V3.3V *

J4 1 2 3 1 2 3

*default

20 SBC-770 User Manual