Quick Jumper Setting Reference - PCchips MB694A Manual

Quick Jumper Setting Reference

If you are familiar with most of the material in this chapter, you
can prepare the mainboard for installation by using this quick
reference to set the jumpers. A detailed description of the
jumper setting appears later in this chapter.
JP1: Clear CMOS jumper
Use this jumper to clear the contents of the CMOS memory.
Function
Normal operation
Clear CMOS
Note: Disconnect all AC power to the computer before clearing
the CMOS.
JP2: Keyboard power on/off jumper
Use this jumper to enable the keyboard to power on the com-
puter. You must also enable this function in the BIOS Setup
Utility. Refer to Chapter 3.
Function
Disable
Enable
Note: When enabling the keyboard power on/off function, ensure
that the 5 VSB power supply is more than 720 mA.
JP3: BIOS flash protection jumper
Use this jumper to disable and enable BIOS flashing. Disable
the jumper if you are going to flash the system BIOS.
Function
Disable
Enable
Jumper Setting
Short pins 1-2
1
Short pins 2-3
Jumper Setting
Short pins 1-2
1
Short pins 2-3
Jumper Setting
Short pins 1-2
1
Short pins 2-3
8
JP1
2 3
JP2
2 3
JP3
2 3