9
Quick Jumper Setting Reference
If you are familiar with most of the material in this chapter, you can begin
preparing the mainboard for installation by using this quick reference to
begin the setting the jumpers. A detailed description of the jumper setting
appears later in this chapter.
JP1: Clear CMOS memory jumper
Use this 3-pin jumper top clear all the current data stored in the CMOS
memory.
Function
Jumper Cap
Normal operation
Short pins 1-2
Clear CMOS
Short pins 2-3
JP3: Keyboard power on jumper
Use this 3-pin jumper to enable keyboard power on with hot keys or
password.
Function
Jumper Cap
Enable keyboard power on
Short pins 1-2
Disable keyboard power on
Short pins 2-3
JP4: Audio/modem enable/disable jumper
Use this jumper to enable or disable the audio system and modem
integrated on the mainboard.
Function
Jumper Cap
Enable audio/modem
Short Pins 1-2
Disable audio/modem
Short pins 2-3
JP5: Set system bus frequency jumper
Use this jumper to set the system bus frequency at auto-detect, or fixed
at 100 MHz
Function
Jumper Cap
Normal
Short Pins 1-2
Force 100 MHz
Short pins 2-3
1
2
3
JP3
1 2 3
JP5
1
2
3
JP1
1
2
3
JP4
