Intel Pentium OverDrive Processor with MMX... 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.

*Other brands and names are the property of their respective owners.

Check your computer's owner's manual......................................... 4

Installation steps ............................................................................. 4

Troubleshooting ........................................................................... 14

Getting help .................................................................................. 21

Registration .................................................................................. 22

Three-year limited warranty......................................................... 23

First Edition January 1997

Second Edition March 1997

Third Edition August 1997

Part number: 669409-003

Contents

This symbol indicates a CAUTION or WARNING.

It identifies operations or situations that may be

harmful or dangerous to you or your equipment.

For your safety and to protect your equipment,

read and observe all cautions and warnings.

Explanation of symbols used in this guide:

This symbol indicates a NOTE. It identifies items

of special interest that pertain to the section or

procedure you are reading. Notes typically clarify

or expand the material in the text.

Step 1—Check your computer's BIOS.

Caution: Failure to update an incompatible BIOS will

cause your computer to lock up after installation.

The system control program (BIOS) in some computers doesn't support the

higher speed of the Pentium OverDrive processor with MMX technology.

You must update an incompatible BIOS before installing the processor.

Failure to update your incompatible BIOS will cause your computer to lock

up after installation. This lock-up may occur every time you start your

computer or only after you install new hardware such as graphics or audio

cards.

Follow these steps to determine whether your computer's BIOS must be

updated.

1. Insert the OverDrive Processor Diagnostic diskette in drive A.

2. Choose File (for Windows* 3.1 or Windows NT*)

or Start (Windows 95 or Windows NT 4.0).

3. Choose Run.

4. Type a:\diag, click OK, then choose Run Diagnostics from the menu.

If your computer's BIOS is incompatible with the Pentium OverDrive

processor with MMX technology, you must update the BIOS before

installing the Pentium OverDrive processor with MMX technology (see

"BIOS update needed" on page 17).

A successful result indicates that the likelihood of encountering a

problem due to a BIOS incompatibility is low. Please continue the

installation with Step 2. This diagnostic is limited to certain BIOS

tests only; it does not test for other possible incompatibilities

between the Pentium OverDrive processor with MMX technology and a

particular PC hardware configuration.

If you experience problems after installing the Pentium OverDrive

processor with MMX technology, contact Intel customer support for more

information. (See "Getting Help" on page 21.)

First check your computer owner's manual to see if it has a section on

installing computer upgrade hardware such as the Pentium OverDrive

processor with MMX technology. If it does, follow the owner's manual

procedure. Otherwise, use this manual.

Check your computer's owner's manual

Step3—Unplugcomputerandremovecover.

Step 2—Ground yourself.

To prevent damaging the Pentium OverDrive processor with MMX

technology and your computer with a static discharge, ground yourself by

touching the metal back or side panel of your computer’s system unit.

Warning: Danger to equipment! The Pentium

OverDrive processor with MMX technology can be

damaged by static discharge. Before handling the

Pentium OverDrive processor with MMX technology,

be sure to ground yourself by touching the metal on

your computer. Limiting your movements during

installation reduces static electricity.

Warning: Don't burn yourself! Many components can

become hot enough to cause mild skin burns. Wait at

least 15 minutes after turning off the power before

handling any parts.

Turn off the computer and any attached equipment (such as a monitor or

printer), unplug the power cord, and remove the cover.

OFF

Step 4—Find the computer's Pentium

processor.

Find the Pentium processor in the computer. The Pentium processor in

most computers looks like the following:

Some computers have a power cable attached to the Pentium processor's fan

or have a passive heat sink (which may be attached with a clip) on top of

the Pentium processor .

Pentium

processor

Your computer's owner's manual may show the location of the processor. If

you can't locate your computer's original processor, contact your dealer or

your computer manufacturer for assistance.

Some computers have an empty second socket next to

the processor. For more information on the installation

process for these computers, see page 15.

PC-3785

PC-3786

Clip Fan power

cable

OverDrive

processor

socket

After locating the processor, examine the socket to determine the socket

type. Most Pentium processor-based computers use a socket with a handle

that locks and unlocks, called a zero insertion force (ZIF) socket.

If the socket in your computer doesn't have a handle,

Intel strongly recommends that you have a qualified

professional install the Pentium OverDrive processor

with MMX technology rather than installing it yourself.

TypicalLIFsocket

(nohandle)

Typical ZIF socket

(with handle)

Some computers use a socket without a handle, called a low insertion force

(LIF) socket.

• If your computer has either a power cable attached to the Pentium

processor's heat sink or a heat sink attached with a clip, go to step 5.

• If your computer doesn't have a power cable attached to the heat sink

and doesn't have a heat sink attached with a clip, skip step 5 and go to

step 6.

Handle

The heat sink on your computer's original processor is either clipped to the

socket or fastened directly to the top of the processor. If the heat sink is

fastened directly to the processor without a clip and doesn't have a fan

cable, go to step 6 now.

You do not need the fan, fan cable, or clip to install the

Pentium OverDrive processor with MMX technology.

After removing these parts, store them with your

original processor.

Step5—Unplugthefanpowercableorunfasten

theheatsinkclip.

Unplugthefanpowercable

Some computers have a power cable attached to the fan. Carefully unplug

the fan power cable from the power source.

After unplugging the fan power cable, carefully fold the

power source cable out of the way so it doesn't touch

any computer components.

After unplugging

the fan power

cable from the

computer power

source, fold the

computer power

source cable out

of the way.

PC-3252

System power

source cable

Fan power cable

PC-3312

Removingtheheatsinkclip

If the heat sink is clipped to the socket, remove the clip by pressing down

and unfastening it from the tab on the socket. Be sure to hold your hand

over the clip while unfastening it to prevent it from flying loose.

Heatsink

fins

Heatsinkclipsto

sockettab

Heatsink

fan

Socket

Typical fan heat sink clip

Heatsinkclip

surroundsfanand

hookstosocket

tabs.Removeheat

sinkfanandfinsas

onepiece.

PC-2822

Heatsinkclipsto

sockettab

Pressdownontabto

releaseheatsinkclip

Typical passive heat sink clip

Some heat sinks clamp tightly over the socket tab and require a tool such as

a screwdriver to loosen the clip enough to slide over the tab. Carefully

insert the tool between the heat sink and the socket, just above the socket

tab, and gently pry outward to allow the heat sink to slip over the tab. You

should then be able to completely release the heat sink from all the other

socket tabs.

Usescrewdrivertoloosenclipwhile

pressingdown

Fan

Processor

Socket

Step6—Openthesockethandleandremovethe

existingprocessorfromthesocket.

Push the handle slightly sideways to slide it over the lever lock tab, then

move the handle to a 90-degree, upright position. Be sure the socket is

completely open. Don't use excessive force. Your computer’s motherboard

should not bend or flex while you are opening the socket. Once the socket

is open, remove the processor.

Be sure the socket is

completely open.

PC-2833

Some manufacturers use thermal grease to attach the

heat sink to the processor. Thermal grease is a

conductive material and can damage your computer if it

gets on socket pin holes, processor pins, or other

components. Avoid getting thermal grease residue on

your hands or the computer when you remove the heat

sink from the processor.

Save the original processor in case you need it later. Store it in a safe place,

such as in the box that the Pentium OverDrive processor with MMX

technology came in.

Step 7—Insert the Pentium OverDrive

processor with MMX technology into the

socket.

Correctly orienting your Pentium OverDrive processor with MMX

technology in the socket is crucial to the success of your installation. The

Pentium OverDrive processor with MMX technology fits in the socket only

one way.

Incorrectly aligning your Pentium OverDrive processor

with MMX technology can damage the processor and

your computer.

Orient the notch on one corner of the OverDrive processor with MMX

technology to the notch on one corner of the socket. Place the Pentium

OverDrive processor with MMX technology on the socket and align the

pins with the pin holes.

Notch

Once the pins and pin holes are properly aligned, gently insert the processor

into the socket. Don't use force to insert the processor in the socket.

Don'tapplypressuretothe

center of the fan.

PODP5V

109X4405H6J05

DC 5V 0.14A

SANYO DENKI

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