EMAC SBC-675, Руководство пользователя

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Chapter 2 Installation 19
J1
LCD driving voltage select (J1)
You can select the LCD connector CN10 (pin 5 and pin 6) driving
voltage by setting J1. The configurations are as follows:
LCD driving voltage select (J1)
5V 3.3V *
*default
1 2 3
1 2 3
Clear CMOS (J5)
You can use J5 to clear the CMOS data if necessary. To reset the
CMOS data, set J5 to 2-3 closed for just a few seconds, and then
move the jumper back to 1-2 closed.
Clear CMOS (J5)
Protect* Clear CMOS
J5
*default
1 2 3 1 2 3