User Guide

Hardware Installation
2-11
2.7 Customizing your Hardware Setup
You may customize your hardware setup according to your desired system
performance. However, doing so requires resetting of several jumpers. The
onboard jumpers are normally set to its default setting. See the figure in
section 2.2 for the location of the jumpers on the system board.
The following sections tell how to configure the system board to meet the
desired performance:
2.7.1 Setting the Voltage Regulator
The jumper JP1 enables you to set the voltage of the onboard voltage
regulator. The supported voltage range is from 2.1V to 3.5V. See the
following figure for the correct settings.
*
* The system can automatically detect the CPU volltage through the VID pins; therefore,
by default, JP1 is set to OPEN. You do not need to set the voltage regulator setting.
Voltage JP1 Voltage JP1
Auto *
3.5V
3.4V
3.3V
3.2V
3.1V
3.0V
2.9V
2.8V
2.7V
2.6V
2.5V
2.4V
2.3V
2.2V
2.1V