Quick Jumper Setting Reference - PCchips M771LMR 1.x Manual

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
Normal operation
Clear CMOS
JP2: Keyboard power on jumper
Use this 3-pin jumper to enable keyboard power on with hot keys or
password.
Function
Disable keyboard power on
Enable keyboard power on
JP3: Force 100 MHz front side bus jumper
Use this jumper to disable the automatic detection of the correct front
side bus, and force the system to run with a 100 MHz front side bus.
Function
Normal operation
Force 100 MHz FSB
JP4: Force 133 MHz front side bus jumper
Use this jumper to disable the automatic detection of the correct front
side bus, and force the system to run with a 133 MHz front side bus.
Function
Normal operation
Force 133 MHz FSB
8
Jumper Cap
Short pins 1-2
Short pins 2-3
Jumper Cap
Short pins 1-2
Short pins 2-3
Jumper Cap
Short Pins 1-2
Short pins 2-3
Jumper Cap
Short Pins 1-2
Short pins 2-3
1 2 3
JP1
1 2 3
JP2
1 2 3
JP3
1 2 3
JP4