Chapter 2 Installation
8
EC71813CLD2NA SERIES
Jumper Setting
1.
JCC1: Clear/Keep CMOS Setting (Pitch: 2.0mm)
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:
JCC1
Setup
Function
12 Open
Normal (Default)
12 Short
Clear the contents of CMOS and all BIOS settings
will restore to factory default values.
2.
JLCD1: Select LCD Operating Voltage (Pitch: 2.0mm)
Different LCD screens have different voltages; the board provides two voltage
options, +3.3V and +5V. Only when the selected LCD screen voltage is in accord
with the LCD screen operating voltage in use, can the LCD screen operate normally.
Please set as follows:
JLCD1
Setup
Function
12 Short
+3.3V(Default)
23 Short
+5V
3.
JCF1: Select CF Card Operating Voltage (Pitch: 2.0mm)
Different CF cards have different voltages; 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 stability be ensured. Please set as follows:
JCF1
Setup
Function
12 Short
+3.3V
23 Short
+5V(Default)
Note: CF card voltage selection are set to comply with different CF cards; as for
the CF cards without specified operating voltages, please choose the operating
voltage according to actual usage.