Acrosser AR-B1740 - Manual (Page 7)

CMOS Jumper Settings
CMOS Operation (JBAT1)
Type : JBAT1: onboard 3-pin header
1 2
3
JBAT1
If the AR-B1740 refuses to boot due to inappropriate CMOS settings, here is how to
proceed to clear (reset) the CMOS to its default values.
External SMB
Type : JSMB1: onboard 3-pin header
1 2
LVDS LCD Power Selection
Type : JVLCD1: onboard 3-pin header
The voltage of LCD panel could be selected by JV9 in 5V or 3.3V .
1 2 3
JVLCD1
CMOS Setup (JBAT1) JBAT1 Status
Normal Operation 1-2 ON
Clear CMOS 2-3 ON
default setting 1-2 ON
Pin Description
1 SMB DATA
2 SMB CLK
3 GND
Mode JVLCD1
3.3V 2-3
5V 1-2
default setting 3.3V
AR-B1740 User's Manual 7