Chapter 2 Installation
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NET-1821VD2N
Jumper Setting
1.
JCC1: Clear/Keep CMOS Setting (Pitch: 2.54 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, reload the 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.
JCF1: Choose CF Card Operating Voltage (Pitch: 2.54mm)
Different CF cards have different operating 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 CF card display normally. Please set as
follows:
Setup
Function
1-2 Short
+3.3V
JCF1
2-3 Short
+5V (Default)
3.
JP2: Choose Bypass Status (Pitch: 2.54mm)
Setup
Function
1-2 Short
Support Bypass function (Default)
JP2
2-3 Short
Bypass function is disabled and restore to normal
status.
Note: JP2 can only be set when AC power is connected.
