Jumper Settings - Nvidia NFORCE2 ULTRA 400 400 User Manual

Installation

3-2 Jumper Settings

Page 3-4
JCMOS:
Clear CMOS data Jumper
If the CMOS data becomes corrupted or
you forgot the supervisor or user
password, clear the CMOS data to
reconfigure the system back to the
default values stored in the ROM BIOS.
1
To CMOS Clear data, please follow the steps below.
1. Turn off the system.
2. Change the jumper from "1-2" to "2-3" position for
a few seconds.
3. Replace the jumper back to the "1-2" position.
4. Turn on the system and hold down the <Del> key
to enter BIOS setup.
JCLK:
CPU FSB Select Jumper
This jumper is used to select the front side
bus of the CPU installed on the mainboard.
1
Note: Overclocking may cause system instability and
are not guaranteed to provide better system
performance.
Settings:
1-2: Normal (Default)
2-3: Clear CMOS
Settings:
1-2: 100/133 MHz
2-3: 133/166/200 MHz (Default)