Moving System Board Jumpers; Clearing Cmos - NEC EXPRESS5800/120Re-2 Service Manual

Table 3-3. Password/CMOS System Board Jumper Summary
Jumper Function
A CMOS clear
B Password disable
C Reserved

Moving System Board Jumpers

Before doing the procedures in this section, make sure that
your system is powered off and unplug the AC power cords
from the back of the chassis. Failure to disconnect power
before moving the jumpers can result in personal injury and
equipment damage.
Observe static precautions. Use an antistatic wrist strap.

Clearing CMOS

Clear CMOS as follows.
1. Unlock and open the front bezel and power off the system.
2. Slide the server out of the rack into the locked position as described in
Chapter 4 of this guide.
3. Remove the top cover.
4. Remove the system power cord from the back of the system.
5. Locate the position of the CMOS jumper on the system board.
See Figure 3-1. To change a jumper setting, use a pair of needle-nose pliers
or your fingers to remove the jumper from its current location. Position the
jumper over the two pins shown at Figure 3-1, A and press it onto the pins.
Be careful not to bend the pins. Also refer to Table 3-3 for system board
jumper setting descriptions.
6. Connect the power cord, power on the system and after POST completes,
power down the system and unplug the power cord.
7. Remove the CMOS jumper to its original position.
8. Replace the top panel, connect the power cord, and power on the system.
9. Press
F2
Values" at the Exit menu.
Jumper On/Off
(default in bold)
Off, Protect
On, Erase
Off, Enable
On, Disable
Off, Not Used
! CAUTION
at the prompt to run the BIOS Setup utility, and select "Get Default
What it does at system reset.
Preserves the contents of CMOS.
Clears CMOS.
Enables password protection.
Disables the password.
Do Not Change.
Configuring Your System 3-23