Intel Pentium OverDrive User manual

Intel Corporation

5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497

Intel Corporation assumes no responsibility for errors or omissions in this

guide. Nor does Intel make any commitment to update the information

herein.

*All other brand and product names are trademarks of their respective

owners.

First Edition January 1996

Part number: 650621-001

This symbol indicates a CAUTION or

WARNING. These are operations or

situations that may be harmful or

dangerous to you or your equipment.

All cautions and warnings should be

read and observed.

Explanation of symbols used in this guide:

This symbol indicates a NOTE. Notes

areitemsofspecialinterestthatpertain

to the section or procedure you are

reading. Notes typically clarify or

augment the material in the text.

Introduction.................................................................................... 4

Before You Begin... ....................................................................... 4

Installation Steps............................................................................ 5

Demonstration and Diagnostics Diskette .................................... 18

Troubleshooting ........................................................................... 19

Getting Help................................................................................. 26

Warranty....................................................................................... 28

Contents

Introduction

Congratulations on your purchase of an Intel PentiumOverDriveproces-

sor!

OverDrive processors are a family of processor upgrades for upgradable Intel

Pentium-based systems that make all software run faster on existing systems.

Before You Begin...

On most computers, installing the OverDrive processor is simple if you

carefully follow the directions in your computer owner's manual and in this

manual. Before starting the installation process, we recommend you take a

few moments to:

• familiarize yourself with the appearance of your system's layout.

• read through the installation steps in this manual to fully under-

stand the process.

Installation Process

First check your computer owner's manual to see if there is a section on

installingsystem upgrade hardwaresuch as thePentium OverDrive processor.

Follow the owner's manual procedure if it is available. If your computer

owner's manual does not have a special section covering Pentium OverDrive

processor installation, use this manual. In general, you need to accomplish the

following during installation:

1. Locate the existing processor and identify the processor’s socket type

and layout.

2. Remove the existing processor.

3. Correctly orient, align, and insert the Pentium OverDrive processor

in the socket.

4. Test the Pentium OverDrive processor installation.

Thesteps on thenext few pagestake you througheach phase ofthe installation

process.

Now you are ready to begin the installation process. Please go

on to Step 1.

Intel includes a Demonstration and Diagnostics Diskette with your OverDrive

processor. The diskette contains two portions:

• a demonstration to guide you through the OverDrive

processor installation procedure.

• diagnostics to test your OverDrive processor for proper

installation and operation.

To view the demo, your computer must be equipped with a VGA video board

and monitor, and you need to install the diskette software on your system.

Asthe software installs, a program automaticallydetermines yourprocessor's

performanceand stores it on yourhard disk.You canthen usethis information

in the post-install diagnostics to determine the performance improvement for

your system.

Intel provides you with a utility to remove the diskette

software from your hard disk once you have completed

your OverDrive processor installation and diagnos-

tics. For more information on this utility, see the

section Demonstration and Diagnostics Diskette, p. 18.

Installing the Diskette Software

You can use DOS* or Windows* to install the software on the diskette. The

full set of utilities takes 1.1 MB on your hard disk if you install it using DOS

and 1.2 MB if you install it using Windows. If you install the software from

DOS,youareaskedifyouwishtoapprovemodificationoftheAUTOEXEC.BAT

file. Intel recommends that you choose OK.

To install the software on your hard disk, insert the diskette in drive A and:

For DOS users type: a:\install

For OS/2* or Windows NT*

users type from a DOS prompt: a:\install

For Windows users: In the Program Manager,

select: FILE and then se-

lect: RUN

On the Command Line,

type: a:setup

and click OK

Step 1 - Install the diskette software and view

the animated demo.

For Windows 95 users: From the task bar, select Start

From the Start menu, select Run

and at the prompt type:

\SETUP

To begin the demonstration after installing the software:

For DOS users: Go to the odp_util directory and type:

overdriv

For Windows NT users: Go to the odp_util directory and

type

from a full-screen DOS prompt:

overdriv

For Windows users: Double click the icon “OverDrive

Processor Demo/Diagnostics”

For OS/2 users: Ensure that the following line ap-

For more information, pears in your config.sys file:

refer to Troubleshooting VME=NO

section, p. 24. Ensure that the settings for your DOS

full-screen command prompt in-

cludes the following:

HW_TIMER set to ON

From a full-screen DOS prompt type:

overdriv

For Windows 95 users: Press

or click OK

When the Main Menu appears, select "Installation Demonstration." If instal-

lationsoundscomplicatedafterviewingtheinstallationdemoandafterreading

through the installation sections of this manual, have a qualified technician

install the OverDrive processor for you.

Step 2 - Ground yourself, then unplug

computer and remove cover.

To prevent damage from static discharge to the OverDrive processor and to

your computer, touch the metal back or side panel of your computer’s system

unit to ground yourself. Then, turn off the computer and any attached

equipment (such as a printer), unplug the power cord, and remove the cover

from the computer.

Warning: Danger to Equipment! The

OverDriveprocessorcanbedamaged by static

discharge. Be sure to ground yourself before

handling the OverDrive processor by touching

the metal on your computer. Limiting your

movements during installation reduces static

electricity.

Warning: Many components can become hot

enough to cause mild skin burns. Wait at least

15 minutes after turning off power before

attempting to handle any parts.

Step 3 - Find your system's current Pentium

processor.

You must remove the original Intel Pentium processor in your system and

install the Pentium OverDrive processor in that socket.

The Pentium processor in your system can appear in various forms. Your

processor may have a fan heatsink with a fan power cable attached or may

have a passive heatsink. The passive heatsink contains a number of small

"fins" and may be slightly larger than the Pentium processor on which it sits.

The passive heatsink may be bonded to the top of the Pentium processor, or

may be attached by a large clip as shown.

Clip used to attached

passive heatsink

Socket 5

Penium processor

with fan heatsink

and fan power

cable attached to

system power

source

Socket 5

Some systems have an extra empty second socket next

to the processor. For more information on the instal-

lation process for these systems, refer to the Trouble-

shooting Section, p. 20.

However, the dimensions of the original processor are similar to those of the

OverDrive processor. Your computer owner's manual may contain location

information for the processor. If you cannot locate your system's original

processor, contact your dealer or your computer manufacturer for assistance.

Once you locate the processor, examine the socket to determine the socket

type. Most Pentium processor-based systems have a a ZIF (Zero Insertion

Force) socket which has a handle that locks/unlocks to allow placement of the

OverDrive processor. However, some systems use a socket without a handle,

a LIF (Low Insertion Force) socket.

Ifthesocketinyoursystemdoes not haveahandle,Intel

strongly recommends you take your system to a quali-

fied professional for OverDrive processor installation.

Socket 5

PC-2832

Typical LIF (socket with no

handle) installed on

motherboard

Typical ZIF (socket with

handle) installation with fan

heatsink attached

Socket 5

Step 4- Unfasten any heatsink socket clips and

fan power cables.

Depending on your system manufacturer, the heatsink on your original

processor is either clipped to the socket or is fastened directly to the top of the

processor. If the heatsink is fastened directly to the processor without a clip

and you have no fan, proceed to Step 5 now.

You do not need the fan, fan cable or any clips to install

the Pentium OverDrive processor. After removing,

store these parts with your original processor.

After detaching

the fan from the

system power

source, fold

system power

source cable out

of the way.

System power

source cable

Removing A Fan Heatsink

Some systems use a fan heatsink with a fan power cable attached. The power

cable can either be attached to a power connection on the motherboard or

attached to a cable from the system power source. Carefully unplug the fan

power cable from the power source.

If your system uses a fan power cable from the system

power source, after detaching the fan power cable

carefully fold the system power source out of the way

to prevent the cable from touching any system compo-

nents.

Fan power cable

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