IBM XSeries 346 Manuel utilisateur

Autres manuels pour xSeries 346

2

Table des matières

Autres manuels IBM Serveur

IBM

IBM 8038 Manuel utilisateur

IBM

IBM 7947E5U Manuel utilisateur

IBM

IBM 8832L1X Mode d'emploi

IBM

IBM 610 Guide d'installation

IBM

IBM eServer xSeries x382 Manuel utilisateur

IBM

IBM BladeCenter JS20 Manuel utilisateur

IBM

IBM System x3250 Manuel utilisateur

IBM

IBM P 615 series Manuel utilisateur

IBM

IBM 9008-22L Manuel utilisateur

IBM

IBM eServer xSeries 236 Manuel utilisateur

IBM

IBM Redboks System x3550 M4 Manuel utilisateur

IBM

IBM BladeCenter HS22 Manuel

IBM

IBM 8676 - Eserver xSeries 335 Manuel utilisateur

IBM

IBM BladeCenter HS23 Manuel utilisateur

IBM

IBM eServer BladeCenter HS20Type 8832 Mode d'emploi

IBM

IBM 4252E1U Manuel utilisateur

IBM

IBM System x3100 M4 Manuel utilisateur

IBM

IBM iDataPlex dx360 M4 Manuel utilisateur

IBM

IBM RS/6000 Enterprise Server M80 Manuel utilisateur

IBM

IBM x3650 - System M2 - 7947 Manuel utilisateur

IBM

IBM eServer 445 xSeries Manuel utilisateur

IBM

IBM System x3200 M3 Manuel utilisateur

IBM

IBM Power 750 Express Guide d'installation

IBM

IBM 7379E2U Manuel utilisateur

Manuels Serveur populaires d'autres marques

HP

HP AlphaServer ES47 Manuel utilisateur

Dell

Dell PowerEdge R410 Manuel utilisateur

PowerNAS

PowerNAS CMA Manuel utilisateur

Supero

Supero FatTwin F617R3-FT Manuel utilisateur

MSI

MSI P1-109N-L70 Manuel utilisateur

Dell

Dell PowerEdge XE9640 Manuel

Dell

Dell PS4100 Instructions de montage

EtroVISION

EtroVISION EV3151 Manuel utilisateur

NEC

NEC Express5800/T110j Manuel utilisateur

HP

HP ProLiant Gen9 Manuel utilisateur

Compaq

Compaq ProLiant 3000 Manuel

Dell

Dell PowerEdge 3YPMN Manuel utilisateur

iRobo

iRobo IPC2U Manuel utilisateur

Nortel

Nortel 1000 Con?guration guide Manuel utilisateur

Asus

Asus AP7500 Manuel d'utilisation et d'entretien

Avid Technology

Avid Technology AirSpeed 5000 Manuel utilisateur

HP

HP Integrity rx2600 Guide d'installation

Milestone

Milestone Husky IVO 350T Manuel utilisateur

xSeries

346

Types

8840

and

1880

Hardware

Maintenance

Manual

and

Troubleshooting

Guide

ERserver



xSeries

346

Types

8840

and

1880

Hardware

Maintenance

Manual

and

Troubleshooting

Guide

ER s e r v e r



First

Edition

(August

2004)

The

most

recent

version

of

this

document

is

available

on

the

World

Wide

Web

at

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

©

Copyright

International

Business

Machines

Corporation

2004.

All

rights

reserved.

US

Government

Users

Restricted

Rights

–

Use,

duplication

or

disclosure

restricted

by

GSA

ADP

Schedule

Contract

with

IBM

Corp.

About

this

document

This

document

contains

basic

configuration

information,

diagnostic

information,

error

codes,

error

messages,

service

information,

and

a

symptom-to-FRU

index

for

the

xSeries

®

346

Types

8840

and

1880

2-U

1

-high

server.

Important:

The

field

replaceable

unit

(FRU)

procedures

in

this

document

are

intended

for

trained

servicers

who

are

familiar

with

IBM

®

products.

Customer

replacement

units

(CRUs)

can

be

replaced

by

the

customer.

See

Chapter

7,

“Parts

listing

xSeries

346

Types

8840

and

1880,”

on

page

105,

to

determine

if

the

component

being

replaced

is

a

FRU

or

a

CRU.

Before

servicing

an

IBM

product,

be

sure

to

read

Appendix

B,

“Safety

information,”

on

page

113.

Important

safety

information

Be

sure

to

read

all

caution

and

danger

statements

in

this

book

before

performing

any

of

the

instructions.

Leia

todas

as

instruções

de

cuidado

e

perigo

antes

de

executar

qualquer

operação.

Prenez

connaissance

de

toutes

les

consignes

de

type

Attention

et

Danger

avant

de

procéder

aux

opérations

décrites

par

les

instructions.

Lesen

Sie

alle

Sicherheitshinweise,

bevor

Sie

eine

Anweisung

ausführen.

Accertarsi

di

leggere

tutti

gli

avvisi

di

attenzione

e

di

pericolo

prima

di

effettuare

qualsiasi

operazione.

Lea

atentamente

todas

las

declaraciones

de

precaución

y

peligro

ante

de

llevar

a

cabo

cualquier

operación.

WARNING:

Handling

the

cord

on

this

product

or

cords

associated

with

accessories

sold

with

this

product,

will

expose

you

to

lead,

a

chemical

known

to

the

State

of

California

to

cause

cancer,

and

birth

defects

or

other

reproductive

harm.

Wash

hands

after

handling.

ADVERTENCIA:

El

contacto

con

el

cable

de

este

producto

o

con

cables

de

accesorios

que

se

venden

junto

con

este

producto,

pueden

exponerle

al

plomo,

un

elemento

químico

que

en

el

estado

de

California

de

los

Estados

Unidos

está

considerado

como

un

causante

de

cancer

y

de

defectos

congénitos,

además

de

otros

riesgos

reproductivos.

Lávese

las

manos

después

de

usar

el

producto.

1. Racks

are

measured

in

vertical

increments

of

1.75

inches

each.

Each

increment

is

called

a

“U”.

A

1-U-high

device

is

1.75

inches

tall.

©

Copyright

IBM

Corp.

2004

iii

Online

support

You

can

download

the

most

current

diagnostic,

BIOS

flash,

and

device-driver

files

from

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

iv

xSeries

346

Types

8840

and

1880:

Hardware

Maintenance

Manual

and

Troubleshooting

Guide

Contents

About

this

document

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. iii

Important

safety

information

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. iii

Online

support

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.iv

Chapter

1.

Introduction

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.1

Related

documentation

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.1

Notices

and

statements

in

this

book

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.2

Features

and

specifications

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.3

Server

power,

controls,

and

indicators

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.4

Front

view

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.4

Rear

view

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.5

Server

power

features

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.6

Chapter

2.

Configuring

the

server

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.9

Starting

the

Configuration/Setup

Utility

program

.

.

.

.

.

.

.

.

.

.

.

.

.10

Chapter

3.

Diagnostics

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.11

General

checkout

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.11

Diagnostic

tools

overview

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.12

POST

error

logs

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.13

Viewing

error

logs

from

the

Configuration/Setup

Utility

program

.

.

.

.

.

.13

Viewing

error

logs

from

diagnostic

programs

.

.

.

.

.

.

.

.

.

.

.

.

.13

ServerGuide

error

symptoms

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.13

Small

computer

system

interface

messages

.

.

.

.

.

.

.

.

.

.

.

.

.

.14

Diagnostic

programs

and

error

messages

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.14

Diagnostic

text

message

format

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.15

Starting

the

diagnostic

programs

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.15

Identifying

problems

using

status

LEDs

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.16

Power-on

password

override

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.16

Power

supply

LEDs

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.17

Light

path

diagnostics

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.17

Recovering

the

BIOS

code

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.18

Power

checkout

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.19

Troubleshooting

the

Ethernet

controller

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.20

Network

connection

problems

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.20

Ethernet

controller

troubleshooting

chart

.

.

.

.

.

.

.

.

.

.

.

.

.

.21

Ethernet

controller

messages

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.21

Chapter

4.

Installing

options

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.23

Installation

guidelines

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.23

System

reliability

guidelines

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.23

Working

inside

the

server

with

the

power

on

.

.

.

.

.

.

.

.

.

.

.

.

.24

Handling

static-sensitive

devices

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.24

Major

components

of

the

xSeries

346

Type

8640

server

.

.

.

.

.

.

.

.

.

.25

Removing

the

cover

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.27

Removing

the

air

baffle

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.28

Working

with

adapters

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.29

Installing

a

hot-swap

drive

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.37

Installing

memory

modules

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.38

Installing

a

microprocessor

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.41

Installing

a

hot-swap

power

supply

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.46

Replacing

a

hot-swap

fan

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.48

Replacing

the

battery

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.49

©

Copyright

IBM

Corp.

2004

v

Completing

the

installation

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.51

Connecting

the

cables

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.52

Updating

the

server

configuration

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.53

Connecting

external

options

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.54

Power-cage

card

internal

cable

connectors

.

.

.

.

.

.

.

.

.

.

.

.

.

.54

Input/output

connectors

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.55

Auxiliary-device

(pointing

device)

connector

.

.

.

.

.

.

.

.

.

.

.

.

.55

Ethernet

connectors

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.56

Advanced

Systems

Management

(ASM)

connectors

.

.

.

.

.

.

.

.

.

.56

Keyboard

connector

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.56

Serial

connector

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.56

Ultra320

SCSI

controller

system-board

connectors

.

.

.

.

.

.

.

.

.

.

.56

Universal

Serial

Bus

version

1.1

or

2.0

connectors

.

.

.

.

.

.

.

.

.

.

.58

Video

connector

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.58

Chapter

5.

Field

replaceable

units

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.59

Thermal

grease

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.59

Fan

bracket

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.60

Power

cage

assembly

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.61

Hard

disk

drive

backplane

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.62

Media

cage

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.63

Removing

a

mcroprocessor

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.64

System

board

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.66

System-board

option

connectors

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.66

System-board

internal

cable

connectors

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.67

System-board

external

connectors

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.67

System-board

switches

and

jumpers

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.68

System-board

LEDs

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.69

Removing

the

system

board

and

shuttle

.

.

.

.

.

.

.

.

.

.

.

.

.

.70

Chapter

6.

Symptom-to-FRU

index

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.73

Beep

symptoms

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.74

No-beep

symptoms

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.77

POST

error

codes

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.77

Light

path

diagnostics

LEDs

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.83

Diagnostic

error

codes

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.85

Error

symptoms

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.89

DVD-ROM

drive

error

symptoms

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.89

Diskette

drive

error

symptoms

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.90

General

error

symptoms

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.90

Hard

disk

drive

error

symptoms

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.90

Intermittent

error

symptoms

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.91

Keyboard,

mouse,

or

pointing

device

error

symptoms

.

.

.

.

.

.

.

.

.

.91

Memory

error

symptoms

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.92

Microprocessor

error

symptoms

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.92

Monitor

error

symptoms

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.92

Option

error

symptoms

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.94

Power

error

symptoms

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.94

Serial

port

error

symptoms

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.95

ServerGuide

error

symptoms

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.96

Software

error

symptoms

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.97

Power-supply

LED

errors

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.98

Service

processor

error

codes

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.98

SCSI

error

codes

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.98

Temperature

error

messages

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.99

Fan

error

messages

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. 100

vi

xSeries

346

Types

8840

and

1880:

Hardware

Maintenance

Manual

and

Troubleshooting

Guide

Power

error

messages

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. 100

System

shutdown

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. 100

Voltage

related

system

shutdown

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. 101

Temperature

related

system

shutdown

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. 101

Hard

disk

drive

checkout

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. 102

Host

built-in

self

test

(BIST)

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. 102

Bus

fault

messages

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. 102

Undetermined

problems

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. 102

Problem

determination

tips

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. 103

Chapter

7.

Parts

listing

xSeries

346

Types

8840

and

1880

.

.

.

.

.

.

. 105

System

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. 106

System

replaceable

units

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. 107

Keyboard

CRUs

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. 109

Power

cords

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. 109

Appendix

A.

Getting

help

and

technical

assistance

.

.

.

.

.

.

.

.

.

. 111

Before

you

call

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. 111

Using

the

documentation

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. 111

Getting

help

and

information

from

the

World

Wide

Web

.

.

.

.

.

.

.

.

. 111

Software

service

and

support

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.112

Hardware

service

and

support

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.112

Appendix

B.

Safety

information

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.113

General

safety

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.113

Electrical

safety

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.114

Safety

inspection

guide

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.115

Handling

electrostatic

discharge-sensitive

devices

.

.

.

.

.

.

.

.

.

.

.116

Grounding

requirements

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.116

Safety

notices

(multilingual

translations)

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.116

Appendix

C.

Notices

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. 151

Edition

notice

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. 151

Trademarks

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. 152

Important

notes

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. 152

Product

recycling

and

disposal

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. 153

Battery

return

program

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. 153

Electronic

emission

notices

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. 154

Federal

Communications

Commission

(FCC)

statement

.

.

.

.

.

.

.

. 154

Industry

Canada

Class

A

emission

compliance

statement

.

.

.

.

.

.

.

. 154

Australia

and

New

Zealand

Class

A

statement

.

.

.

.

.

.

.

.

.

.

.

. 154

United

Kingdom

telecommunications

safety

requirement

.

.

.

.

.

.

.

. 154

European

Union

EMC

Directive

conformance

statement

.

.

.

.

.

.

.

. 155

Taiwanese

Class

A

warning

statement

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. 155

Chinese

Class

A

warning

statement

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. 155

Japanese

Voluntary

Control

Council

for

Interference

(VCCI)

statement

155

Index

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. 157

Contents

vii

viii

xSeries

346

Types

8840

and

1880:

Hardware

Maintenance

Manual

and

Troubleshooting

Guide