User Guide

6
2-3-1 Installation Steps
Before using your computer, you must follow the steps as follows:
1. Set Jumpers on the Motherboard
2. Install the CPU
3. Install DRAM Modules
4. Install Expansion card
5. Connect Cables, Wires, and Power Supply
2-3-2
Jumper Settings
CPU Voltage Selection: JP9 (2x5pin Block)
This jumper is used for adjusting CPU working voltage, for this main board design it can auto
detect the single voltage CPU or dual voltage CPU.
The table of JP9 CPU voltage selection
JP9 1-2 3-4 5-6 7-8 9-10
1.8V OFF ON OFF ON ON
2.0V OFF ON ON ON ON
2.1V ON OFF OFF OFF OFF
2.2V OFF ON OFF OFF OFF
2.3V ON ON OFF OFF OFF
2.4V OFF OFF ON OFF OFF
2.8V OFF OFF OFF ON OFF
2.9V ON OFF OFF ON OFF
3.2V OFF OFF ON ON OFF
3.3V ON OFF ON ON OFF
3.4V OFF ON ON ON OFF
3.5V
ON
ON ON ON OFF
∗ If your CPU Type is not including in above table, please refer to the CPU voltage selection on below
to choose the correct working voltage for your CPU.
2.9V
JP3
1
2
9
10
3.4V
JP3
1
2
9
10
3.2V
JP3
1
2
9
10
3.3V
JP3
1
2
9
10
3.5V
JP3
1
2
9
10
CPU Voltage Selection
1.8V
JP3
1
2
9
10
2.0V
JP3
1
2
9
10
2.2V
JP3
1
2
9
10
2.8V
JP3
1
2
9
10
2.3V
JP3
1
2
9
10
2.1V
JP3
1
2
9
10
2.4V
JP3
1
2
9
10
CPU Type selection:
This mainboard designs JP10 to select the CPU external clock (Host Bus Frequency) and
JP11 to select the CPU Bus Frequency ratio, the external clock frequency multiplied by Bus
frequency ratio is the CPU frequency as the tables below:
•
Table for CPU external frequency / SDRAM Clock setting : JP10
FS0 FS1 FS2 SD CPU Bus Clock SDRAM Clock PCI Clock
ON ON ON OFF 66 MHz 66 MHz 33
ON ON ON ON 66 MHz 100 MHz 33
OFF ON ON OFF 75 MHz 75 MHz 30
ON OFF ON OFF 83 MHz 83 MHz 33
OFF ON ON ON 90 MHz 90 MHz 30
OFF OFF ON OFF 95 MHz 95 MHz 31
ON OFF ON ON 95 MHz
63 MHz *
31
ON ON OFF OFF 100 MHz
100 MHz *
33.3