NEC 120Le Bedienungsanleitung

120Le Pentium III Processor

Installation Insert

PN: 455-01616-001

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The NEC Computers Inc. product(s) discussed in this document are warranted in

accordance with the terms of the Warranty Statement accompanying each product.

However, actual performance of each such product is dependent upon factors such as

system configuration, customer data, and operator control. Since implementation by

customers of each product may vary, the suitability of specific product configurations and

applications must be determined by the customer and is not warranted by NEC Computers

Inc.

To allow for design and specification improvements, the information in this document is

subject to change at any time, without notice. Reproduction of this document or portions

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Trademarks

Intel and Pentium III are registered trademarks of Intel Corporation.

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PN: 455-01616-001 July 2001

NEC Computers Inc.

15 Business Park Way

Sacramento, CA 95828

120Le Pentium III Processor Installation 3

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: When adding a second processor to your system,

you must remove the terminator from the secondary

processor socket. Also, you must install a VRM into the VRM

socket on the system board.

4 120Le Pentium III Processor Installation

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

120Le Pentium III Processor Installation 5

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).

CAUTION

For proper cooling and airflow, do not operate the system

with the side panels removed. Always replace the panels

before powering on the system.

WARNING

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.

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).

Figure 3. Removing the Left Side Panel

6 120Le Pentium III Processor Installation

Removing the Air Duct

To install processor upgrade into your system, you must remove the system air

duct. See Figure 4.

CAUTION

For proper cooling and airflow, do not operate the system

with the air duct removed. Always replace the air duct and

the side panels before powering on the system.

To remove the air duct:

1. Pull the air duct plunger (Figure 4, B) to release the air duct from the system

chassis.

2. Pull the air duct out and away from the chassis (Figure 4, A).

Figure 4. Removing the Air Duct

Installing the Processor Upgrade

1. Raise the secondary processor socket ZIF lever to the up position. See

Figure 5.

2. Remove the terminator from the secondary processor socket.

3. Position the processor over its ZIF socket so the processor pins align with

the socket holes. Note that one corner of the processor has three pins that

should be positioned over the corner of the socket that has the three

matching pin holes. See Figure 5, A.

120Le Pentium III Processor Installation 7

Figure 5. Positioning the Processor

4. Insert the processor pins into the socket. Apply pressure equally over the top

surface of the processor until it seats in the socket. The processor should

easily fit, do not force the processor into the socket.

5. Lower the ZIF socket lever into the locked position. See Figure 6.

Figure 6. Installing the Processor

8 120Le Pentium III Processor Installation

CAUTION

The thermal pad is very delicate and tears easily. Handle

with extreme care. Perform the next two steps exactly as

described to ensure proper heat transfer from the processor

to the heat sink.

6. One side of the thermal pad is shiny metallic foil. The other side of the

thermal pad is covered with a clear plastic liner. Carefully peel the liner

away from the pad. The clear liner is not used and may be discarded.

7. Position the thermal pad on top of the processor with the shiny side facing

down and the yellow sticky side of the pad facing up. Ensure the pad is

positioned over the center of the processor as shown in Figure 7.

Figure 7. Installing Thermal Pad

8. Ensure the small end of the heat sink clip is positioned into the heat sink as

far as it will go.

Note: The heat sink included with this upgrade may not

resemble the heat sink on the processor in your system.

Several types of heat sinks are used with the Pentium III

processor.

CAUTION

When performing the next three steps, be sure the heat sink

is positioned as shown and is held firmly in place. If the heat

sink should slide across the top of the processor, the thermal

pad may be damaged. In the next step, the heat sink must

be gently lowered onto the processor, being careful not to

move the heat sink from side to side.

120Le Pentium III Processor Installation 9

9. The bottom of the heat sink is not completely flat, and instead has an L-

shaped groove along two sides of the bottom. Position the heat sink over the

processor so that the long side of the groove covers the rear plastic edge of

the socket and the adjacent side of the groove covers the socket lever. See

Figure 8. Gently lower the heat sink onto the processor, being careful not to

move the heat sink from side to side.

Plastic part

Lever

Lever L-Shaped groove

L-Shaped groove

Plastic part

Top View

Heat sink

Lever

L-Shaped groove

(shaded area)

Side View

Figure 8. Positioning the Heat Sink Clip

10 120Le Pentium III Processor Installation

10.Attach the small end of the heat sink clip to the tab located on the base of the

ZIF socket. See Figure 9, A.

Figure 9. Positioning the Heat Sink Clip.

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