NEC Express5800-120Le Installation Manual

120Le Pentium III Processor

Installation Insert

PN: 455-01616-001

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PN: 455-01616-001 July 2001

Copyright 2001

NEC Computers Inc.

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All Rights Reserved

Introduction

This Intel® Pentium® III Processor Installation Insert provides information for
installing the Pentium III processor upgrade into your 120Le system. Read this
procedure in its entirety before performing the installation to become familiar
with the items in this upgrade and the sequence of steps you will perform.

Unpacking the Upgrade

When you receive your Pentium III processor upgrade, inspect the shipping
container prior to unpacking. If the shipping box is damaged, note the damage,
and if possible, photograph it for reference. After removing the contents of the
container, keep the carton and the packing materials. If the contents appear
damaged when you unpack the box, file a damage claim with the carrier
immediately.

Installing the Upgrade

!

CAUTION

Observe static precautions. Use an antistatic wrist strap.
Hold the processor only by its edges. Do not touch the pins
of the processor board.

!

CAUTION

Installing a second processor that is of a different type than
the first processor will result in system damage. Do not
touch or bend the processor's exposed pins.

Note:

you must remove the terminator from the secondary
processor socket. Also, you must install a VRM into the VRM
socket on the system board.

When adding a second processor to your system,

120Le Pentium III Processor Installation 3

Opening and Removing the Front Door (Tower Version)

You must open the front door to remove the left side panel on your system.
Perform this procedure to open and remove the front door.

1. Power off the system and ensure the power cord is unplugged from the AC

wall outlet.

2. If the front door is locked, unlock it.

3. Grasp the indentation located on the right edge of the front door and pull the

door towards you to open it (Figure 1).

Figure 1. Opening the Front Door

4. To remove the front door, open it and lift the door and pull it towards you

(see Figure 2). The mounting pins of the front door are disengaged from the
mounting holes on the front of the system.

Figure 2. Removing the Front Door

4 120Le Pentium III Processor Installation

Removing Side Panel

To install options in your system, you must remove the side panel on the left
side of the system (as viewed from the front).

For proper cooling and airflow, do not operate the system
with the side panels removed. Always replace the panels
before powering on the system.

If you are removing the side panel after the system is set up,
you must first power off the system and all external devices
and then Unplug the system power cord

To remove the left side panel:

1. The left side panel is secured to the chassis with one thumbscrew

(Figure 3, A). Remove the screw securing the side panel. Save the screw for
reattaching the side panel.

!

CAUTION

!

WARNING

2. Using the indentation on the side of the panel, slide the side panel toward the

front of the system. This unlocks the locking fingers behind the side panel.

3. Pull the side panel out and away from the chassis (Figure 3).

A

Figure 3. Removing the Left Side Panel

120Le Pentium III Processor Installation 5