Chapter 5 79
Jumper Setting
This section explains how to set the jumper for correct configuration of the main board.
Jumpers with more than one pin are numbered. When setting a jumper, ensure that the jumper caps are
placed on the correct pins.
The following illustration shows the location of CMOS1.
The following table shows the settings of the 3-pin SW1 jumper. Place the jumper cap on pins 1 and 2 to close
or short the jumper. Place the jumper cap on pins 2 and 3 to open or clear CMOS.
Jumper Type Description Setting (default)
CMOS1 3-pin Clear CMOS 1-2: Close (default)
2-3: Open
Before clearing the CMOS, make
sure to turn off the system.