Acrosser AR-B1690 - Manual (Page 18)

AR-B1690 User’s Guide
18
LVDS
1
3
5
2
4
6
J8
JUMPER VOLTAGE NOTE
1-3 ON
2-4 ON
VCC
3-5 ON
4-6 ON
VCC3 Factory Preset
! The AR-B1690 supports 5V and 3.3V LCD or LVDS displays.
! LCD: Use J6 to change between 5V and 3.3V (default) panel video signal level.
! LVDS: Use J8 to change between 5V and 3.3V (default) panel video signal level.
2.2.24 COM3-COM4 Voltage Select (J20, J21)
1
3
5
2
4
6
1-2 +12V (Factory Preset)
3-4 +5V
5-6 GND
2.2.25 Battery Jumper (J10)
1
2
3
1-2: ON-BOARD BATTERY (FACTORY PRESET)
2-3: CLEAR CMOS
Factory Preset
2.2.26 LED (J1)
1
3
5
2
4
6
1-2: HDD LED (IDE1)
3-4: HDD LED (IDE2)
5-6: Power LED
1-3-5: VCC
HDD LED (IDE1): External LED connector for primary IDE channel.
HDD LED (LED2): External LED connector for secondary IDE channel.
Power LED: External LED connector for Watchdog status indication.