User manual
Chapter 2 Installation
- 8 - EC3-1813CLD2NA(B)
Jumper Setting
1. Clear/Keep CMOS Setting (Pitch: 2.0 mm)
CMOS is powered by the button battery on board. Clearing CMOS will restore
original settings (factory default). The steps are listed as follows: (1) Turn off the
computer and unplug the power cable; (2) Instantly short circuit JCC1; (3) Turn on
the computer; (4) Follow the prompt on screen to enter BIOS setup when booting the
computer, load optimized defaults; (5) Save and exit. Please set as follows:
Setup Function
1-2 Open Normal ((Default)
JCC1
1-2 Short
Clear the contents of CMOS and all BIOS
settings will restore to factory default values.
2. Select LCD Operating Voltage (Pitch: 2.0mm)
The board provides two voltage options, 3.3V and 5V. Only when the selected LCD
voltage is in accord with the LCD screen operating voltage in use, can the LCD screen
operate normally. Please set as follows:
Setup Function
1-2 Short +3.3V(Default)
JLCD1
2-3 Short +5V
3. Select CF Card Operating Voltage (Pitch: 2.0mm)
The board provides two voltage options, 3.3V and 5V. Only when the selected CF
card voltage is in accord with the CF card operating voltage in use, can the system
operate stably. Please set as follows:
Setup Function
1-2 Short +3.3V
JCF1
2-3 Short +5V(Default)
Note: this option is set to comply with different CF cards; as for the CF card
without specified operating voltage, please choose the CF card voltage according
to actual usage.