SBC comm AMD SBC-770 - Manual (Page 31)

20 SBC-770 User Manual
J4
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)
5V 3.3V *
*default
1 2 3 1 2 3
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
*default
1 2 3 1 2 3