Lenovo ThinkCentre A51p Stücklistenhandbuch

ThinkCentre

™

Hardware

Removal

and

Replacement

Guide

Ty pe s

8141,

8142,

8145

Ty pe s

8420,

8421,

8426

ThinkCentre



ThinkCentre

™

Hardware

Removal

and

Replacement

Guide

Ty pe s

8141,

8142,

8145

Ty pe s

8420,

8421,

8426



First

Edition

(May

2004)

International

Business

Machines

Corporation

2004.

All

rights

reserved.

Government

Users

Restricted

Rights

–

Use,

duplication

disclosure

restricted

GSA

ADP

Schedule

Contract

with

IBM

Corp.

Contents

Overview

Information

resources

Tools

required

Handling

static-sensitive

devices

Replacing

customer

replaceable

units

(CRUs)

Removing

the

cover

Removing

and

replacing

the

power

supply

Removing

and

replacing

the

system

board

Removing

and

replacing

the

microprocessor

Removing

and

replacing

the

hard

disk

drive

.12

Connecting

serial

ATA

hard

disk

drive

.13

Connecting

parallel

ATA

hard

disk

drive

.13

Removing

and

replacing

memory

.13

Removing

and

replacing

PCI

adapter

.15

Completing

the

CRU

replacement

.16

IBM

Corp.

2004

iii

Hardware

Removal

and

Replacement

Guide

Overview

This

manual

contains

instructions

for

removing

and

replacing

the

following

customer

replacement

units

(CRUs):

Power

supply

System

board

Microprocessor

Memory

Hard

disk

drive

Information

resources

The

Quick

Reference

that

comes

with

your

computer

provides

information

for

installing

your

computer

and

starting

the

operating

system.

also

includes

basic

troubleshooting

information,

software

recovery

procedures,

help

and

service

information,

and

warranty

information.

Access

IBM,

your

desktop,

provides

link

information

about

your

computer.

you

have

Internet

access,

the

most

up-to-date

manuals

for

your

computer

are

available

from

the

World

Wide

Web.

access

this

information,

point

your

browser

http://www.ibm.com/pc/support

Type

your

machine

type

and

model

number

the

Quick

Path

field,

and

click

Go.

Tools

required

install

some

options

your

computer,

you

might

need

flat-blade

Phillips

screwdriver.

Additional

tools

might

needed

for

certain

options.

See

the

instructions

that

come

with

the

option.

Handling

static-sensitive

devices

Static

electricity,

although

harmless

you,

can

seriously

damage

computer

components

and

options.

When

you

add

option,

not

open

the

static-protective

package

containing

the

option

until

you

are

instructed

so.

When

you

handle

options

and

other

computer

components,

take

these

precautions

avoid

static

electricity

damage:

Limit

your

movement.

Movement

can

cause

static

electricity

build

around

you.

Always

handle

components

carefully.

Handle

adapters

and

memory

modules

the

edges.

Never

touch

any

exposed

circuitry.

Prevent

others

from

touching

components.

IBM

Corp.

2004

When

you

install

new

option,

touch

the

static-protective

package

containing

the

option

metal

expansion-slot

cover

other

unpainted

metal

surface

the

computer

for

least

two

seconds.

This

reduces

static

electricity

the

package

and

your

body.

When

possible,

remove

the

option

and

install

directly

the

computer

without

setting

the

option

down.

When

this

not

possible,

place

the

static-protective

package

that

the

option

came

smooth,

level

surface

and

place

the

option

it.

not

place

the

option

the

computer

cover

other

metal

surface.

Hardware

Removal

and

Replacement

Guide

Replacing

customer

replaceable

units

(CRUs)

Attention

not

open

your

computer

attempt

any

repair

before

reading

the

“Important

safety

information”

the

Quick

Reference

that

was

included

with

your

computer.

you

longer

have

this

copy

the

Quick

Reference,

you

can

obtain

one

online

from

the

IBM

Web

site

http://www.ibm.com/pc/support.

Removing

the

cover

Important

Turn

off

your

computer

and

wait

minutes

let

the

computer

cool

before

removing

the

cover.

remove

the

cover:

Shut

down

your

operating

system,

remove

any

media

(diskettes,

CDs,

tapes)

from

the

drives,

and

turn

off

all

attached

devices

and

the

computer.

Unplug

all

power

cords

from

electrical

outlets.

Disconnect

all

cables

attached

the

computer.

This

includes

power

cords,

input/output

(I/O)

cables,

and

any

other

cables

that

are

connected

the

computer.

IBM

Corp.

2004

Press

the

buttons

the

sides

the

computer

and

pivot

the

rear

end

the

cover

toward

the

front

the

computer.

ThinkCentre

Removing

and

replacing

the

power

supply

Attention

not

open

your

computer

attempt

any

repair

before

reading

the

“Important

safety

information”

the

Quick

Reference

that

was

included

with

your

computer.

you

longer

have

this

copy

the

Quick

Reference,

you

can

obtain

one

online

from

the

IBM

Web

site

http://www.ibm.com/pc/support.

This

section

provides

instructions

how

remove

and

replace

the

power

supply.

Remove

the

cover.

See

“Removing

the

cover”

page

Hardware

Removal

and

Replacement

Guide

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