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Note: See "System" on page 162 to determine which components should be replaced by a field service technician. Monitor problems Symptom FRU/action Wrong characters appear on the 1. If the wrong language is displayed, update the BIOS code with the correct screen. language. 2. Monitor. 3. Video adapter, if installed. 4. System board. No video. 1. Make sure the correct machine is selected, if applicable. 2. Make sure all cables are locked down. Note: See "System" on page 162 to determine which components should be replaced by a field service technician. Option problems Symptom FRU/action An IBM option that was just installed does not work. 1. Verify that: v The option is designed for the computer (see the ServerProven list on the World Wide Web at http://www.ibm.com/pc/compat/). v You followed the installation instructions that came with the option. v The option is installed correctly. v You have not loosened any other installed options or cables. v You updated the configuration information in the Configuration/Setup Utility program. Whenever memory or an option is changed, you must update the configuration. 2. Option you just installed. An IBM option that used to work 1. Verify that all of the option hardware and cable connections are secure. does not work now. 2. If the option comes with its own test instructions, use those instructions to test the option. 3. If the failing option is a SCSI option, verify that: v The cables for all external SCSI options are connected correctly. v The last option in each SCSI chain, or the end of the SCSI cable, is terminated correctly. v Any external SCSI option is turned on. You must turn on an external SCSI option before turning on the computer. 4. Failing option. Note: See "System" on page 162 to determine which components should be replaced by a field service technician. Power problems Symptom FRU/action Power switch does not work and reset button, if supported, does work. 1. Reseat connector. 2. Power switch card. 3. System board. 144 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

Section	Page
About this manual	5
Important safety information	5
Online support	5
Contents	7
Chapter 1. General information	11
Related publications	11
Notices and statements used in this book	12
Features and specifications	13
Server controls and indicators	14
Front view	14
Rear view	16
Operator information panel	17
Server power features	18
Turning on the server	18
Turning off the server	19
Standby mode	19
IBM documentation CD	20
System requirements	20
Starting the IBM Documentation Browser	20
Using the IBM Documentation Browser	21
Using the search feature	21
IBM Director	21
Installing IBM Director updates	22
UpdateXpress	23
Chapter 2. Configuration	25
Using the Configuration/Setup Utility program	25
Starting the Configuration/Setup Utility program	25
Choices available from the Configuration/Setup main menu	26
Additional Configuration/Setup Utility menu choices	29
Using passwords	29
Power-on password	29
Administrator password	30
Using the LSI Logic Configuration Utility program	31
Starting the LSI Logic Configuration Utility program	31
Formatting a SCSI hard disk drive	32
Using the ServerGuide Setup and Installation CD	32
ServerGuide features	32
Setup and configuration overview	33
System Partition	34
Typical operating-system installation	34
Setting up or updating multiple servers	35
Installing your operating system without ServerGuide	35
Using ServeRAID Manager	35
Configuring the Gigabit Ethernet controller	36
High-performance Ethernet modes	37
Ethernet port connector	37
Updating the integrated system management firmware	37
Chapter 3. Diagnostics	39
General checkout	39
Diagnostic tools overview	41
POST error logs	41
Viewing error logs from the Configuration/Setup Utility program	42
Viewing error logs from the diagnostic programs	42
ServerGuide error symptoms	42
Small computer system interface messages	43
Diagnostic programs and error messages	43
Text messages	44
Starting the diagnostic programs	44
Viewing the test log	45
Viewing the System Error log	45
Diagnostic error message tables	45
Identifying problems using status LEDs	46
LEDs for Active PCI slots	46
Power-supply LEDs	48
Light path diagnostics	48
Diagnostic panel LEDs	49
Remind button	49
Recovering the BIOS code	50
Power checkout	50
Troubleshooting the Ethernet controller	51
Network connection problems	51
Ethernet controller troubleshooting chart	51
Ethernet controller messages	53
Chapter 4. Customer replaceable units	55
Installation guidelines	55
System reliability considerations	55
Working inside the server with the power on	56
Handling static-sensitive devices	56
Major components of the xSeries 235 Type 8671 server	56
System-board component locations	58
System-board option connectors	58
System-board internal cable connectors	59
System-board external port connectors	60
System-board switches and jumpers	61
System-board LED locations	63
Removing the server door (tower model)	64
Removing the server left-side cover and bezel (tower model)	65
Removing the left-side cover	65
Removing the bezel	66
Removing the server top cover and bezel (rack configuration)	67
Removing the top cover	67
Removing the bezel	68
Removing and installing the adapter-support bracket	68
Working with adapters	70
Adapter considerations	70
Installing a hot-plug adapter (slots 5 and 6)	72
Installing a non-hot-plug adapter (any slot)	74
Cabling example for a ServeRAID controller	76
Working with the 3-Pack Ultra320 Hot-Swap Expansion option	80
Installing the 3-Pack Ultra320 Hot-Swap Expansion option	81
Installing internal drives	84
Internal drive bays	85
Installing a hot-swap hard disk drive	87
Installing a 5.25-inch removable-media drive	88
Memory technology transition	89
Installing memory modules	90
Installing an additional microprocessor	92
Replacing a hot-swap power supply	97
Installing a hot-swap power-supply option	100
Replacing a hot-swap fan	104
Replacing a front fan	106
Replacing a center fan	106
Replacing a rear fan	106
Replacing the battery	107
Completing the installation	109
Installing the server bezel and left-side cover (tower model)	110
Installing the server door (tower model)	112
Installing the server bezel and top cover (rack configuration)	113
Updating your server configuration	114
Connecting external options	114
Installing the external SCSI connector	115
Installing the second serial connector	115
Connecting an external device	116
Cabling the server	116
Keyboard cabling	117
Pointing device cabling	117
Parallel port cabling	117
Serial cabling	117
Advanced System Management Interconnect cabling	117
USB cabling	118
Video cabling	118
Gigabit Ethernet cabling	118
Power cabling	118
Installing the server in a rack	118
Input/output connectors	118
Parallel port	119
Viewing or changing the parallel-port assignments	119
Parallel port connector	120
Video port	120
Keyboard port	120
Auxiliary-device (pointing device) port	120
Ultra320 SCSI system-board connectors	120
SCSI cabling requirements	121
SCSI IDs	121
SCSI connectors	122
Serial ports	122
Viewing or changing the serial-port assignments	122
Serial-port connectors	123
Universal Serial Bus version 1.1 ports	123
USB cables and hubs	123
USB-port connectors	123
Gigabit Ethernet port	123
Ethernet connector	124
RS-485 (ASM interconnect) ports	124
Chapter 5. Service replaceable units	125
Thermal grease	125
System board	126
Microprocessor removal	127
Operator information panel	129
Diskette drive	131
DASD backplane	132
Power-supply (non-hot-swap)	133
Front fan housing	134
Hot-swap card	135
Diagnostics panel card	135
Power reset card	136
Chapter 6. Symptom-to-FRU index	139
Beep symptoms	139
No-beep symptoms	142
Diagnostic panel system error LED	142
Diagnostic error codes	144
Error symptoms	149
Power-supply LED errors	156
POST error codes	157
Service processor error codes	163
SCSI error codes	163
Temperature error messages	163
Fan error messages	164
Power error messages	164
System shutdown	165
Voltage related system shutdown	165
Temperature related system shutdown	166
DASD checkout	166
Host built-in self test (BIST)	166
Bus fault messages	167
Undetermined problems	167
Problem determination tips	168
Chapter 7. Parts listing for the xSeries 235	171
System	172
Keyboard CRUs	174
Power cord CRUs	176
Appendix A. Getting help and technical assistance	177
Before you call	177
Using the documentation	177
Getting help and information from the World Wide Web	177
Software service and support	178
Hardware service and support	178
Appendix B. Related service information	179
Safety information	179
General safety	179
Electrical safety	180
Safety inspection guide	181
Handling electrostatic discharge-sensitive devices	182
Grounding requirements	182
Safety notices (multilingual translations)	182
Appendix C. Notices	215
Edition notice	215
Trademarks	216
Important notes	216
Product recycling and disposal	217
Electronic emission notices	217
Federal Communications Commission (FCC) statement	217
Industry Canada Class A emission compliance statement	218
Australia and New Zealand Class A statement	218
United Kingdom telecommunications safety requirement	218
European Union EMC Directive conformance statement	218
Taiwanese Class A warning statement	219
Chinese Class A warning statement	219

Match case Limit results 1 per page

Note:

See

“System”

page

162

determine

which

components

should

replaced

field

service

technician.

Monitor

problems

Symptom

FRU/action

Wrong

characters

appear

the

screen.

the

wrong

language

displayed,

update

the

BIOS

code

with

the

correct

language.

Monitor.

Video

adapter,

installed.

System

board.

video.

Make

sure

the

correct

machine

selected,

applicable.

Make

sure

all

cables

are

locked

down.

Note:

See

“System”

page

162

determine

which

components

should

replaced

field

service

technician.

Option

problems

Symptom

FRU/action

IBM

option

that

was

just

installed

does

not

work.

Verify

that:

The

option

designed

for

the

computer

(see

the

ServerProven

list

the

World

Wide

Web

http://www.ibm.com/pc/compat/).

You

followed

the

installation

instructions

that

came

with

the

option.

The

option

installed

correctly.

You

have

not

loosened

any

other

installed

options

cables.

You

updated

the

configuration

information

the

Configuration/Setup

Utility

program.

Whenever

memory

option

changed,

you

must

update

the

configuration.

Option

you

just

installed.

IBM

option

that

used

work

does

not

work

now.

Verify

that

all

the

option

hardware

and

cable

connections

are

secure.

the

option

comes

with

its

own

test

instructions,

use

those

instructions

test

the

option.

the

failing

option

SCSI

option,

verify

that:

The

cables

for

all

external

SCSI

options

are

connected

correctly.

The

last

option

each

SCSI

chain,

the

end

the

SCSI

cable,

terminated

correctly.

Any

external

SCSI

option

turned

on.

You

must

turn

external

SCSI

option

before

turning

the

computer.

Failing

option.

Note:

See

“System”

page

162

determine

which

components

should

replaced

field

service

technician.

Power

problems

Symptom

FRU/action

Power

switch

does

not

work

and

reset

button,

supported,

does

work.

Reseat

connector.

Power

switch

card.

System

board.

144

xSeries

235

Type

8671:

Hardware

Maintenance

Manual

and

Troubleshooting

Guide