i
Hardware Maintenance Service
for Service Level A
For Micro Tower Model
Machine Type 2275
For Desktop Model
Machine Type 2255
ii
First Edition (March 2001)
The following paragraph does not apply to any state or country where such provisions are inconsistent with local law:
INTERNATIONAL BUSINESS MACHINES CORPORATION PROVIDES THIS PUBLICATION "AS IS" WITHOUT
WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. References to IBM products,
programs, or services do not imply that IBM intends to make them available outside the United States. This publication could
include technical inaccuracies or typographical errors. Changes are periodically made to the information herein; these
changes will be made in later editions. IBM may make improvements and/or changes in the product(s) and/or the program(s)
at any time. Address comments about this publication to IBM Corporation, Dept. E23/962-2, 455 Park Place, Lexington, KY
40511-1856, USA. IBM may use information you supply without obligation. For copies of publications related to this product,
call toll free 1-800-IBM-7282 in the Continental U.S.A. In Canada, call toll free 1-800-465-7999.
© Copyright International Business Machines Corporation 2000.
All rights reserved.
Note to U.S. Government Users – Documentation related to restricted rights – Use, duplication or disclosure is subject to
restrictions set forth in GSA ADP Schedule Contract with IBM Corp.
Before using this information and the product it supports,
be sure to read the general information under “Notices“
on page 5.
3
Contents
Notices............................................... ............................. .............. ............... ....................................................5
Voltage Supply Switch Settings ....................................................................................................................... 5
Safety Information ............................................................................................................................................ 6
Laser Compliance Statement .......................................................................................................................... 30
Trademarks ...................................................................................................................................................... 31
Preface ............................................................................................................................................................. 32
General Information.............. .. ..... .. .. .. .. .. .. .. .... .. ... .. .. .. .. .. .... .. .. .. .. .. ... .. .... .. .. .. .. .. .. .. ..... .. .. .. .. .. .............................33
Introduction....................................................................................................................................................... 34
Product Overview.............................................................................................................................................35
Hardware Interfaces......................................................................................................................................... 38
Flash (BIOS) Update Procedure...................................................................................................................... 40
BIOS-contained Model Number and Serial Number....................................................................................... 41
BIOS Setup Utility............................................................................................................................................. 42
Working with the Setup Menus................................................................................................................. 42
Start Options ............................................................................................................................................. 45
Advanced Setup........................................................................................................................................ 47
Power Management Setup....................................................................................................................... 47
Set Administrator Password..................................................................................................................... 48
Set Password............................................................................................................................................ 48
Specifications ................................................................................................................................................... 49
Operating Requirements.................................................................................................................................. 50
Special Tools.................................................................................................................................................... 51
Check Procedures................. ..... .. .. .. .. .. .. .. .... .. .. .. ... .. .. .... .. .. .. .. .. .. ..... .. .. .. .. .. .. .... .. .. ... .. .. .. .... .. .............................53
Introduction....................................................................................................................................................... 54
Start .................................................................................................................................................................. 55
Index of Symptoms, Messages, Error Codes, or Beeps................................................................................. 60
Troubleshooting................................................................................................................................................ 70
Factory-Installed Storage Devices ........................................................................................................... 71
Factory-Installed Modem Card ................................................................................................................. 73
Audio (Not Supported by Diagnostics Program) ......................................................................................75
CD-ROM Drive.......................................................................................................................................... 76
Memory ..................................................................................................................................................... 78
Keyboard................................................................................................................................................... 78
Mouse........................................................................................................................................................ 79
Power Supply............................................................................................................................................81
Monitor ...................................................................................................................................................... 83
Undetermined Problems........................................................................................................................... 84
Diagnostic Aids............... ....................................................................... ........................................................85
Introduction....................................................................................................................................................... 86
Power-On Self Test.......................................................................................................................................... 87
Diagnostics Tools.............................................................................................................................................88
Using Diagnostics Program from Recovery CD ...................................................................................... 88
Diagnostics Program Features................................................................................................................. 89
Repair Information......................... .. .. .. .. .. .... .. ... .. .. .. .. .. .... .. .. .. .. .. ... .. .... .. .. .. .. .. .. .. ..... .. .. .. .. .. .. . . ...........................91
Removals and Replacements of machine type 2275 ..................................................................................... 92
Identifying the Parts of the System Unit........................................................................................................... 93
Top Cover......................................................................................................................................................... 95
Adapter Cards........................................................................................................................................... 96
Diskette Drive............................................................................................................................................98
CD-ROM Drive.......................................................................................................................................... 99
Hard Disk Drive ................................................................................................................................................ 100
System Board................................................................................................................................................... 101
Power Supply........................................................................................................................................... 102
Removals and Replacements of machine type 2255 ..................................................................................... 104
4
Identifying the Parts of the System Unit........................................................................................................... 105
Top Cover......................................................................................................................................................... 107
Adapter Cards........................................................................................................................................... 108
Diskette Drive............................................................................................................................................110
CD-ROM Drive.......................................................................................................................................... 111
Hard Disk Drive ................................................................................................................................................ 112
System Board................................................................................................................................................... 113
Power Supply............................................................................................................................................115
Memory (DIMM)........................................................................................................................................116
Parts/Test Point Locations ................... .. .. .. .. .. ... .... .. .. .. .. .. .. .. .. ..... .. .. .. .. .. .. .. .... .. .. .. ... .. .. .. .. .... .. .. . ......................117
Introduction....................................................................................................................................................... 118
Layout of the System Board for Machine Types 2255 and 2275 ................................................................... 119
Jumper Settings of the System Board of the Machine Types 2255 and 2275 ...............................................120
Connectors and Functions for the System Board of Machine Types 2255 and 2275....................................121
Power Supply Cable Connector Specifications............................................................................................... 122
Main Output Pin Assignment .................................................................................................................... 123
Factory-Installed Modem Card Layout ............................................................................................................ 125
Factory-Installed Modem Card Connector Functions ..............................................................................125
3.5-In. Hard Disk Drive Jumper Locations & Settings..................................................................................... 126
CD-ROM Drive .................................................................................................................................................127
CD-ROM Drive Rear Panel Connectors and Features............................................................................ 128
CD-ROM Drive Jumper Settings.............................................................................................................. 128
DIMM Configurations........................................................................................................................................129
System Board Connector Pin Signals ............................................................................................................. 130
Monitor Port Signals.................................................................................................................................. 130
Serial Port Signals .................................................................................................................................... 130
Parallel Port Signals.................................................................................................................................. 130
Mouse Port Signals...................................................................................................................................131
Keyboard Port Signals.............................................................................................................................. 131
Diskette Drive Cable Connector Signals.................................................................................................. 132
IDE Cable Connector Signals................................................................................................................... 133
Safety Inspection Guide.............. .. .. .... .. .. .. .. .. .. .. ... .... .. .. .. .. .. .. .. .. ..... .. .. .. .. .. .. .. .. .... ... .. .. .. .. .. .. .. .. .........................135
General Guidelines........................................................................................................................................... 136
Parts Catalog............. .. .. .. .... .. .. .. ... .. .. .. .... .. .. .. .. .. ... .. .... .. .. .. .. .. .. .. ..... .. .. .. .. .. .. .. .... .. .. ... .. .. .. .. . . ...............................139
Parts Catalog of machine type 2275................................................................................................................ 140
Assembly 1: System Unit ................................................................................................................................. 140
Assembly 2: Diskette Drive, Hard Disk Drive .................................................................................................. 142
Assembly 3: CD-ROM, Modem Card .............................................................................................................. 143
Assembly 4: Keyboard and Mouse .................................................................................................................. 145
Parts Catalog of machine type 2255................................................................................................................ 146
Assembly 1: System Unit ................................................................................................................................. 146
Assembly 2: Diskette Drive, Hard Disk Drive .................................................................................................. 148
Assembly 3: CD-ROM, Modem Card .............................................................................................................. 149
Assembly 4: Keyboard and Mouse .................................................................................................................. 150
Appendix A. Onli ne S upport Information .............. .. .. .. .. .. .. .. .. ... .... .. .. .. .. .. .. .. .. .. ... .. .. .. .. .... .. .. .. .. .. ... .. .. .. .. ........151
Index ................................................................................................................................................................152
5
Notices
References in this publication to IBM products, programs, or services do not imply that IBM intends to make these available
in all countries in which IBM operates. Any reference to an IBM product, program, or service is not intended to state or imply
that only IBM’s product, program, or service may be used. Any functionally equivalent product, program, or service that does
not infringe any of IBM’s intellectual property rights, or other legally prosecutable rights, may be used instead of the IBM
product, program, or service. References in this publication to IBM products, programs, or services are purely hardwarerelated and do not cover circumstances of software problems. Evaluation and verification of operation in conjunction with
other products, program, or services, except those expressly designated by IBM is the user’s responsibility.
IBM may have patents or pending patent applications covering subject matter in this document. The featuring of these
patents, pending or otherwise, in this document does not give you any license to these patents. You can send license
inquires, in writing, to the IBM Director of Commercial Relations, IBM Corporation, Purchase, NY10577.
Voltage Supply Switc h Settings
Your IBM Personal Computer might have voltage switches, which must be set correctly for your voltage supply. If your
monitor or system unit has a voltage switch, complete these steps to make sure each switch is set correctly:
1. Determine the correct voltage switch setting for your area:
Voltage Supply Range Voltage Switch Setting
100-127 V 110 V
200-240 V 220 V
2. Locate the voltage switch on the back of your monitor or system unit. If the setting shown on the switch is:
Correct: start setting up your IBM personal computer.
Incorrect: change the voltage switch setting.
6
Safety Information
DANGER
To avoid a shock hazard, do not connect or disconnect any cabl e s or perform instal lation, maintenanc e, or
reconfiguration of this product during an electrical storm.
To avoid shock hazard:
The power cord must be connected to a properly wired and grounded receptacle.
Any equipment to which this product will be attached must also be connected to properly wired receptacles.
When possible, use one hand to connect or disconnect signal cables to prevent a possible shock from touching
two surfaces with different electrical potentials.
Electrical curre nt from power, telephone, and communications cables is hazardous . To avoid shock hazard,
connect and disconnect cables as described following when installing, moving, or opening covers of this product
or attached devices.
To Connect
1. Turn Everything OFF.
2. First, attach all cables to devices.
3. Attach signal cables to receptacles.
4. Attach power cord(s) to outlet.
5. Turn device ON
To Disconnect
1. Turn Everything OFF.
2. First, remove power cord(s) from outlet
3. Remove signal cables from receptacles.
4. Remove all cables from devices.
7
Caution:
When replacing the battery, use only IBM Part Number 36L9077 or an equivalent type battery recommended by the
manufacturer. If your system has a module containing a lithium battery, replace it only with the same module type made by
the same manufacturer. The battery contains lithium and can explode if not properly used, handled, or disposed of.
Do not:
Throw or immerse into water
Heat to more than 100°C (212°F)
Repair or disassemble
Dispose of the battery as required by local ordinances or regulations.
Caution:
When a CD-ROM drive is installed, note the following.
Use of controls or adjustments or performance of procedures other than those specified herein might result in
hazardous radiation exposur e.
Removing the covers of the CD-ROM drive could result in exposure to hazardous laser radiation. There are no
serviceable parts inside the CD-ROM drive. Do not remove the CD-ROM drive covers.
8
DANGER
Some CD-ROM drives contain an embedded Class 3A or Class 3B-laser diode. Note the following.
Laser radiation when open. Do not stare into the beam, do not view directly with optical instruments, and avoid
direct exposure to the beam.
≥≥≥≥
32 Kg
≥≥≥≥
55Kg
(70.5 (121.2
lbs) lbs)
Caution:
Use safe lifting practices when lifting your machine.
Caution:
Electrical current from power, telephone, and communication ca bles can be hazardous. To avoid personal injury or
equipment damage, disconnect the attached power cords, telecommunications systems, networks, and modems
before you open the covers, unless instructed otherwise in the installation and configuration procedures.
9
PERIGO
Para evitar choques elétricos, não conecte ou desconecte nenhum cabo, nem efetue instalação, manutenção ou
reconfiguração deste produto durante uma tempestade com raios.
Para evitar choques elétricos:
O cabo de alimentação deve ser conectado a um receptáculo corretamente instalado e aterrado.
Todos os equipamentos aos quais este produto será conectado devem também ser conectados a
receptáculos corretamente instalados.
Quando possível, utilize uma das mãos para conectar ou desconectar cabos de sinal, para evitar um possível
choque ao tocar duas superfícies com potenciais elétr icos diferen tes.
A corrente elétrica proveniente de cabos de alimentação, de telefone e de comunicação é perigosa. Para evitar
choques elétricos, conecte e desconecte os cabos conforme descriptor a seguir, ao instalar, movimentar ou abrir
tampas deste produto ou de dispositivos conectados.
Para Conectar
1. DESLIGUE tudo.
2. Conecte primeiro todos os cabos nos dispositivos.
3. Conecte os cabos de sinal nos receptáculos.
4. Conecte o(s) cabo(s) de alimentação nas tomadas.
5. LIGUE o dispositivo.
Para Desconectar
1. DESLIGUE tudo.
2. Remova primeiro o(s) cabo(s) de alimentação das tomadas.
3. Remova os cabos de sinal dos receptáculos.
4. Remova todos os cabos dos dispositivos.
10
cuidado:
Ao substituir a bateria, utilize apenas o Número de Peça IBM 36L9077 ou um tipo de bateria equivalente
recomendado pelo fabricante. Se seu sistema possuir um módulo com uma bateria de lítio, substitua-o apenas pelo
mesmo tipo de módulo, produzido pelo mesmo fabricante. A bateria contém lítio e pode explodir se não for utilizada,
manuseada e descartada de forma adequada.
Não:
Jogue ou coloque na água
Aqueça a mais de 100°C (212°F)
Conserte nem desmonte.
Descarte a bateria conforme requerido pelas disposições e regulamentações locais.
cuidado:
Quando uma unidade de CD-ROM estiver instalada, observ e o seguinte .
A utilização de controles ou ajustes ou a execução de procedimentos diferentes daqueles especificados nesta
publicação pode resultar em exposição perigosa à radiação.
A remoção das tampas da unidade de CD-ROM pode resultar em exposição a radiação perigosa de laser. Não
existem peças que possam ser consertadas no interior da unidade de CD-ROM. Não remova as tampas da unidade
de CD-ROM.
11
PERIGO
Algumas unidades de CD-ROM contém um diodo de laser da Classe 3A ou da Classe 3B. Observe o seguinte.
Radiação de laser quando aberto. Não olhe diretamente para o feixe de laser, não olhe diretamente com
instrumentos óticos, e evite exposição direta ao raio.
≥≥≥≥32 Kg ≥≥≥≥55Kg
(70,5 (121,2
lbs) lbs)
cuidado:
Utilize práticas seguras para levantamento de peso ao levantar sua máquina.
cuidado:
A corrente elétrica proveniente de cabos de alimentação, de telefone e de comunicação é perigosa. Para evitar
ferimentos pessoais ou danos aos equipamentos, desconecte os cabos de alimentação, sistemas de
telecomunicação, redes e modems antes de abrir as tampas, a menos que receba outras instruções nos
procedimentos de instalação e configuração.
12
13
14
15
16
DANGER
Pour éviter tout risque de choc électrique, ne manipulez aucun câble et n'effectuez aucune opération
d'installation, d'entr etien ou de reconfigu ration de ce produi t au cours d'un orag e.
Pour éviter tout risque de choc électrique :
Les cordons d'alimentation du présent produit et de tous les appareils qui lui sont connectés doivent être
branchés sur des socles de prise de courant correctement câblés et mis à la terre.
Afin d'éviter tout risque de choc éle ctrique provenant d'une di fférence de potentiel de terre, n'utilisez qu'une
main, lorsque cela est possible, pour connecter ou déconnecter les cordons d'interface.
Le courant électrique passant dans les câbles de communication, ou les cordons téléphoniques et d'alimentation
peut être dangereux. Pour éviter tout risque de choc électrique, lorsque vous installez ou que vous déplacez le
présent produit ou des périphériques qui lui sont raccordés, reportez-vous aux instructions ci-dessous pour
connecter et déconnecter les différents cordons.
Connexion
1. Mettez les unités hors tension.
2. Commencez par brancher tous les cordons sur les unités.
3. Branchez les câbles d'interface sur les prises.
4. Branchez les cordons
d'alimentation sur un socle de prise de courant.
5. Mettez les unités sous tension.
Déconnexion
1. Mettez les unités hors tension.
2. Commencez pas débrancher les cordons
alimentation des socles de prise de courant.
3. Débranchez les câbles d'interface des prises.
4. Débranchez tous les câbles des unités.
17
Attention:
Remplacez la pile usagée par une pile de référence identique exclusivement - voir la référence IBM 36L9077 - ou par
une pile équivalente recommandée par le fabri cant. Si votre système est doté d'un module contena nt une pile au
lithium, vous devez le remplacer uniquement par un module identique, produit par le même fabricant. La pile
contient du lithium et présente donc un risque d'explosion en cas de mauvaise manipulation ou utilisation.
Ne la jetez pas à l'eau.
Ne l'exposez pas à une température supérieure à 100°C.
Ne cherchez pas à la réparer ou à la démonter.
Pour la mise au rebut, reportez-vous à la réglementation en vigueur.
Attention:
Si une unité de CD-ROM est installée, prenez connaissance des informations suivantes :
Pour éviter tout risque d'exposition au rayon laser, respectez les consignes de réglage et d'utilisation des
commandes, ainsi que les procédures décrites dans le présent document.
Pour éviter une exposition directe au rayon laser, n'ouvrez pas l'unité de CD-ROM. Vous ne pouvez effectuer
aucune opération de maintenance à l'intérieur.
18
DANGER
Certaines unités de CD-ROM contiennent une diode laser de classe 3A ou 3B. Prenez connaissance des
informations suivantes :
Rayonnement laser lorsque le carter est ouvert. Évitez de regarder fixement le faisceau ou de l'observ e r à l'aide
d'instruments optiques. Évitez une exposition directe au rayon.
≥≥≥≥32 Kg ≥≥≥≥55Kg
Attention:
Ce produit pèse un poids considérable. Faites-vous aider pour le soulever.
Le courant électrique circulant dans les câ bles de communication et les cordons téléphoniques et d' alimenta tion
peut être dangereux. Pour votre sécurité et celle de l'équipement, avant de retirer les carters, mettez celui-ci hors
tension et déconnectez ses cordons d'alimentation, ainsi que les câbles qui le relient aux réseaux, aux systèmes de
télécommunication et aux modems (sauf instruction contraire mentionnée dans les procédures d'installation et de
configuration).
19
VORSICHT
Aus Sicherheitsgründen bei Gewitter an diesem Gerät keine Kabel anschließen oder lösen. Ferner keine
Installations-, Wartungs- oder Rekonfigur ationsa rbe iten durchführe n.
Aus Sicherheitsgründen:
Gerät nur an eine Schutzkontaktsteckdose mit ordnungsgemäß geerdetem Schutzkontakt anschließen.
Alle angeschlossenen Geräte ebenfalls an Schutzkontaktsteckdosen mit ordnungsgemäß geerdetem
Schutzkontakt anschließen.
Signalkabel möglichst einhändig anschließen oder lösen, um einen Stromschlag durch Berühren von Oberflächen
mit unterschiedlichem elektrischem Potential zu vermeiden.
Elektrische Spannungen v on Netz-, Telefon- und Datenübertragungs lei tungen sin d gefährli c h. Um einen
Stromschlag zu vermeiden, nur nach den A nw eisunge n arbe iten, die für Install a tion, Transpor t oder Öffnen von
Gehäusen dieses Produkts oder angeschlossenen Einheiten gelten.
Kabel anschließen
1. Alle Geräte ausschalten und Netzstecker ziehen.
2. Zuerst alle Kabel an Einheiten anschließen.
3. Signalkabel an Anschlußbuchsen anschließen.
4. Netzstecker an Steckdose anschließen.
5. Gerät einschalten.
Kabel lösen
1. Alle Geräte ausschalten.
2. Zuerst Netzstecker von Steckdose lösen.
3. Signalkabel von Anschlußbuchsen lösen.
4. Alle Kabel von Einheiten lösen.
20
achtung:
Eine verbrauchte Batterie nur durch eine Batterie mit der IBM Teilenummer 36L9077 oder durch eine vom Hersteller
empfohlene Batterie ersetzen. Wenn Ihr System ein Modul mit einer Lithium-Batterie enthä lt, ersetzen Sie es immer
mit dem selben Modultyp vom selben Hersteller. Die Batterie enthält Lithium und kann bei unsachgemäßer
Verwendung, Handhabung oder Entsorgung explodieren.
Die Batterie nicht
• mit Wasser in Berührung bringen.
• über 100 C erhitzen.
• reparieren oder zerlegen.
Die örtlichen Bestimmungen für die Entsorgung von Sondermüll beachten.
achtung:
Wenn ein CD-ROM-Laufwerk installiert ist, beachten Sie folgendes. Steuer- und Einstellelemente sowie Verfahren
nur entsprechend den Anweisungen im vorliegenden Handbuch einsetzen. Andernfalls kann gefährliche
Laserstrahlung auftreten.
Das Entfernen der Abdeckungen des CD-ROM-Laufwerks kann zu gefährlicher Laserstrahlung führen. Es befinden
sich keine Teile innerhalb des C D-ROM-Laufwerks, die vom Benutzer gewartet werden müssen. Die Verkleidung des
CD-ROM-Laufwerks nicht öffnen.
21
VORSICHT
Manche CD-ROM-Laufwerke enthalten eine eingebaute Laserdiode der Klasse 3A oder 3B. Die nachfolgend
aufgeführten Punkte beachten.
Laserstrahlung bei geöffneter Tür. Niemals direkt in den Laserstrahl sehen, nicht direkt mit optischen Instrumenten
betrachten und den Strahlungsbereich meiden.
≥≥≥≥32 Kg ≥≥≥≥55Kg
achtung:
Beim Anheben der Maschine die vorgeschriebenen Sicherheitsbestimmungen beachten.
achtung:
An Netz-, Telefon- und Date nleitungen können gefährliche elektrische Spannungen anliegen. Um eine Gefährdung
des Benutzers oder Beschädigung des Geräts zu vermeiden, is t der Server auszuschalten. Die Verbindung zu den
angeschlossenen Netzkabeln, Telekommunikationssystemen, Netzwerken und Modems ist vor dem Öffnen des
Servergehäuses zu unterbrechen (in Installations- und Konfigurationsanweisungen nicht anders angegeben).
22
PERICOLO
Per evitare il pericolo di scosse elettriche durante i temporali, non collegare o scollegare cavi, non effettuare
l'installazione, la manutenzione o la riconfigurazione di questo prodotto.
Per evitare il pericolo di scosse elettriche:
collegare il cavo di alimentazione ad una presa elettrica correttamente cablata e munita di terra di sicurezza;
collegare qualsiasi apparecchiatura collegata a questo prodotto ad una presa elettrica correttamente cablata e
munita di terra di sicurezza.
Quando possibile, collegare o scollegare i cavi di segnale con una sola mano per evitare il rischio di scosse
derivanti dal contatto con due superfici a diver so potenzia le el ettric o.
La corrente elettrica circolante nei cavi di alimentazione, del telefono e di segnale è pericolosa. Per evitare scosse
elettriche, collegare e scollegare i cavi come descritto quando si effettuano l'installazione, la rimozione o l'apertura
dei coperchi di questo prodotto o durante il collegamento delle unità.
Per collegare
1. SPEGNERE tutti i dispositivi.
2. Collegare prima tutti I cavi
alle unità.
3. Collegare i cavi di segnale
alle prese.
4. Collegare il(i) cavo(i) di
alimentazione alla presa
elettrica.
5. ACCENDERE le unità.
Per scollegare
1. SPEGNERE tutti i dispositivi.
2. Rimuovere prima il(i) cavo(i) di alimentazione dalla presa elettrica.
3. Rimuovere i cavi di segnale dalle prese.
4. Rimuovere tutti i cavi dalle unità.
23
ATTENZIONE:
Quando si sostituisce la batteria, utilizzare solo una batteria IBM 36L9077o batterie dello stesso tipo o di tipo
equivalente consigli ate dal produttore. Se il si stema di cui si di spone è provvisto di un modulo contenente una
batteria al litio, sostituire tale batteria solo con un tipo di modulo uguale a quello fornito dal produttore. La batteria
contiene litio e può esplodere se utili zzata, maneggiata o smaltita impropriamente.
Evitare di:
• Gettarla o immergerla in acqua
• Riscaldarla ad una temperatura superiore ai 100°C
• Cercare di ripararla o smaltirla
Smaltire secondo la normativa in vigore (D.Lgs 22 del 5/2/97) e successive disposizioni nazionali e locali.
ATTENZIONE:
Quando è installata un'unità CD-ROM, notare quanto segue:
L'utilizzo di controlli, regolazioni o l'esecuzione di procedure non descritti nel presente manuale possono provocare
l'esposizione a radiazioni pericolose.
L'apertura di un'unità CD-ROM può determinare l'esposizione a radiazioni laser pericolose. All'interno dell' uni tà CDROM non vi sono parti su cui effettuare l'assistenza tecnica. Non rimuovere i coperchi dell'unità CD-ROM.
24
PERICOLO
Alcune unità CD-ROM contengono all'interno un diodo laser di Classe 3A o Classe 3B. Prestare attenzione a
quanto segue:
Aprendo l'unità vengono emesse radiazioni laser. Non fissare il fascio, non guardarlo direttamente con strumenti
ottici ed evitare l'esposizione diretta al fascio.
≥≥≥≥32 Kg ≥≥≥≥55Kg
ATTENZIONE:
Durante il sollevamento della macchina seguire delle norme di di sicurezza.
ATTENZIONE:
La corrente circolante nei cavi di ali mentazion e, del tel efono e di segna le è peric ol osa. Per evitare situazioni
pericolose per le persone o danneggiamenti all'apparecchiatura, scollegare i cavi di alimentazione, i sistemi di
telecomunicazioni, le reti e ed i modem prima di aprire i coperchi se non diversamente indicato nelle procedure di
installazione e configurazione.
25
26
27
PELIGRO
Para evitar una posible descarga eléctrica, no conecte ni desconecte los cables ni lleve a cabo ninguna operación
de instalación, de mantenimiento o de reconfiguración de este producto durante una tormenta eléctrica.
Para evitar una posible descarga:
El cable de alimentación debe conectarse a un receptáculo con una instalación eléctrica correcta y con toma
de tierra.
Los aparatos a los que se conecte este producto también deben estar conectados a receptáculos con la
debida instalación eléctrica.
Cuando sea posible, utilice una sola mano para conectar o desconectar los cables de señal a fin de evitar una
posible descarga al tocar dos superficies con distinto potencial eléctrico.
La corriente eléctrica de los cables de comunicaciones, teléfono y alimentación puede resultar peligrosa. Para
evitar una posible descarga, siga las indicaciones de conexión y desconexión de los cables siempre que tenga que
instalar, mover o abrir las cubiertas de este producto o de los dispositiv os acopl a dos.
Instrucciones de conexión
1. Apague todos los componentes (OFF).
2. En primer lugar, conecte todos los cables a los
dispositivos.
3. Conecte los cables de señal a los receptáculos.
4. Conecte los cables de alimentación a las tomas.
5. Encienda el dispositivo (ON).
Instrucciones de desconexión
1. Encienda todos los componentes (ON).
2. En primer lugar, retire los cables de alimentación de las tomas.
3. Retire los cables de señal de los receptáculos.
4. Retire todos los cables de los dispositivos.
28
Caution:
Al cambiar la batería, utilice únicamente la batería IBM Número de pieza 36L9077 o un tipo de batería equivalente
recomendado por el fabricante. Si el sistema tiene un módulo que contiene una batería de litio, sustitúyalo
únicamente por el mismo tipo de módulo del mismo fabricante. La ba tería contiene litio y puede explotar si no se
utiliza, manipula o desecha correctamente.
Lo que no debe hacer
• Tirar o sumergir el producto en agua.
• Exponer el producto a una temperatura superior a 100°C.
• Reparar o desmontar el producto.
Cuando quiera desechar la batería, siga las disposiciones y reglamentaciones locales.
Caution:
Cuando instale una unidad de CD-ROM, tenga en cuenta la siguiente información.
Si se llevan a cabo controles o ajustes o se utilizan métodos que no se atengan a lo aquí especificado, se puede
producir una exposición peligrosa a las radiaciones.
Si se retiran la s cubiertas de la unidad de CD-ROM, se puede producir una peligrosa exposición a radiaciones de
láser. Dentro de la unidad de CD-ROM no existen piezas reparables. No retire las cubiertas de la unidad de CD-ROM.
29
PELIGRO
Algunas unidades de CD-ROM tienen incorporado un diodo de láser de Clase 3A o de Clase 3B Tenga en cuenta
la siguiente información.
Cuando la unidad está abierta se generan emisiones de rayos láser. No dirija la mirada al haz, no lo observe
directamente con instrumentos ópticos y evite la exposición directa.
≥≥≥≥
32 Kg
≥≥≥≥
55Kg
Caution:
Alce la máquina con cuidado; el sobrepe so podría caus ar alguna les i ón.
Caution:
La corriente eléctrica de los cables de comunicaciones, de teléfono y de alimentación puede resultar peligrosa.
Para evitar posibles lesiones o daños del aparato, desconecte los cables de alimentación, los sistemas de
telecomunicaciones, las redes y los módems antes de abrir las cubiertas del servidor, salvo que se indique lo
contrario en las instrucciones de las operaciones de instalación y configuración.
30
Laser Compliance Statement
The CD/DVD-ROM drive in the computer is a laser product. The CD/DVD-ROM drive's classification label (sample shown
below) is located on the drive.
CLASS 1 LASER PRODUCT
APPAREIL A LASER CLASSE 1
LASER KLASSE 1
LUOKAN 1 LASERLAITE
PRODUIT LASER
CATEGORIE 1
The CD/DVD-ROM drive is certified in the U.S. to conform to the requirements of the Department of Health and Human
Services 21 Code of Federal Regulations (DHHS 21 CFR) Subchapter J for Class 1 laser products.
In other countries, the drive is certified to conform to the requirements of EN60825.
Class 1 laser products are not considered to be hazardous. The CD/DVD-ROM drive has an internal Class 1, 0.5-milliwatt,
aluminum gallium-arsenide laser that operates at a wavelength of 760 to 810 manometers.
The design of the laser system and the CD/DVD-ROM drive ensures that there is no exposure to laser radiation above a
Class 1 level during normal operation, user maintenance, or servicing conditions.
31
Trademarks
The following are trademarks of the IBM Corporation in the United States or other countries or both:
Operating System/2 OS/2
AT Personal System2
HelpCente PS/1
IBM PS/2
AMD Duron and AMD Athlon are trademarks of Advance Micro Device, Inc.
Microsoft, MS-DOS, Windows, and Windows NT are trademarks or registered trademarks of Microsoft Corporation.
Other company, product, and service names may be trademarks or service marks of others.
32
Preface
This manual contains service information for the Service Level A (SL-A) model of the IBM Personal Computer, worldwide.
This manual is intended to be used as a stand-alone document to service Machine Types 2255 and 2275 product. It is
divided into the following chapters:
Notices contain important safety information and notices required to service this com puter.
General Information contains a brief description of this manual.
Check Procedures provide step-by-step instructions that aid in locating the failure Field Replaceable Unit (FRU).
Diagnostic Aids
explain how to use the diagnostics tools for isolating failures.
Repairing Information contains illustrations and descriptions to disassemble and reassemble the computer.
Parts/Test Point Locations contains illustrations and descriptions of the locations of the major parts, jum pers, and
connectors.
Safety Inspection Guide contains information about inspecting a machine for safety problems before putting the machine
under a Maintenance Agreement.
Parts Catalog contains descriptions, illustrations, and part numbers for individual FRUs.
Appendix A, Online Support Information contains online support information.
Index contains specific terms and words in alphabetical order.
33
General Information
General Information.............. .. ..... .. .. .. .. .. .. .. .... .. ... .. .. .. .. .. .... .. .. .. .. .. ... .. .... .. .. .. .. .. .. .. ..... .. .. .. .. .. .............................33
Introduction....................................................................................................................................................... 34
Product Overview.............................................................................................................................................35
Hardware Interfaces......................................................................................................................................... 38
CMOS Reset .................................................................................................................................................... 39
Flash (BIOS) Update Procedure...................................................................................................................... 40
BIOS-contained Model Number and Serial Number....................................................................................... 41
BIOS Setup Utility............................................................................................................................................. 42
Working with the Setup Menus................................................................................................................. 42
Start Options ............................................................................................................................................. 45
Advanced Setup........................................................................................................................................ 47
Power Management Setup....................................................................................................................... 47
Set Administrator Password..................................................................................................................... 48
Set Password............................................................................................................................................ 48
Specifications ................................................................................................................................................... 49
Operating Requirements.................................................................................................................................. 50
Special Tools.................................................................................................................................................... 51
34
Introduction
This chapter gives a general overview of the Machine Types 2255 and 2275, describes the standard and optional features,
and details functional and environmental specifications. Machine Type 2275 is a micro tower model, and machine Type 2255
is a desktop model.
35
Product Overv iew
All machine Types mentioned above contain three PCI slots, and the system board supports AMD Duron microprocessor
with 128KB L1 cache and 64KB L2 cache or AMD Athlon microprocessor with 128KB L1 cache and 256 L2 cache memory.
Listed below are system features:
Processors (Machine Types 2255 and 2275)
•
Socket A (462 pins)
•
Detachable CPU heat sink with fan.
•
One of the following processors:
− AMD Duron 700 MHZ CPU
− AMD Duron 750 MHZ CPU
−
AMD Duron 800 MHZ CPU
−
AMD Duron 850 MHZ CPU
− AMD Duron 900 MHZ CPU
−
AMD Athlon 1 GHZ CPU, Low Power
Memory
•
168-pin synchronous dynamic random access memory (SDRAM), dual inline memory module (DIMM) sockets.
− 2 memory sockets.
− 64-MB or 128-MB DIMM.
−
Maximum memory is 512MB.
External Ports
•
Video port (15-pin D-sub connector)
•
Parallel port (25-pin D-sub connector)
•
Serial port (9-pin D-sub connector)
•
Game/MIDI port (15-pin D-sub connector), some models only
•
Keyboard port (6-pin PS/2 mini-din connector)
•
Mouse port (6-pin PS/2 mini-din connector)
•
Three or four USB ports
•
10/100 Mbps Ethernet port
•
Microphone-in jack
• Line-out jack
• Line-in jack
• Speaker out connector (some models only)
36
•
S/PDIF connector (some models only)
•
IEEE 1394 port (some models only)
Diskette Drive
•
AT-type
•
3.5-in. 1.44MB diskette drive.
Hard Disk Drive
• 3.5-in., 1-in.height IDE AT drive.
• 512 KB cache buffer in hard disk drive.
• Average and minimum 11.1 ms seek-time, access time varies for the hard disk drive and the hard disk drive
manufacturer.
CD-ROM Drive
•
5.25-in. high-performance, 48X CD-ROM IDE/AT drive.
• Read data and play audio from standard and mini CD-ROM and audio compact discs (audio CDs).
Power Management
•
Compliant to ACPI and supports display power management signaling (DPMS) monitor.
•
Software shutdown by Windows Millennium.
•
System enters standby mode if any of following conditions are met:
−
Execute standby from the Windows Millennium Start menu
− Press system power button if it is set to act as standby function. See "Power Management Setup" on page 47.
−
Standby timer set in the Windows Millennium Power Utility Timer elapses without system activity.
• Monitor enters standby mode if:
−
Windows Millennium Power Utility Timer elapses
−
System sleep timer elapses.
•
Hard Disk shutdown by Windows Millennium to reduce power consumption.
Power Supply
• 120-watt switchable high/low voltage power supply for desktop model (machine type 2255).
• 155-watt switchable high/low voltage power supply for micro-tower model (machine type 2275).
Internal Cabling
•
40-pin ribbon cable for CD-ROM and 80-pin ATA-100 signal cable for hard disk drive.
• One 34-pin ribbon cable for AT diskette drive.
37
•
One 4-pin (2-wire) cable for hard disk drive light-emitting diode (LED) and (3-wire) cable for power light-emitting diode
(LED).
•
One 2-pin (2-wire) cable for power switch.
•
One 4-pin (3-wire) cable for CD-ROM audio-in.
•
One 20-pin ribbon cable for daughter board bezel supports USB, S/PDIF, Volume Control, Head Phone jack, and
Microphone jack (or USB, USB, S/PDIF, Volume Control, Head Phone jack, and Microphone jack). (On some models
only)
•
One 4-pin (3-wire) cable for passive speaker.
•
One cable for S/PDIF and speaker out. (On some models only)
•
Dual USB cable
• One 40-pin ribbon cable for PCMCIA. (On some models only)
• One 6-pin (6-wire) cable connected to IEEE 1394 PCI adapter card for IEEE 1394 port in front panel. (On some models
only)
Modem
•
56Kbps PCI Plug and Play modem adapter card with data/fax features.
•
Telephone line-out (RJ-11) connector.
•
Telephone line-in (RJ-11) connector.
IBM Monitor
•
Super video graphics array (SVGA) monitor.
•
Compliant to VESA power saving mode.
•
Connector for a detachable grounded 3-wire power cord.
•
1.8-m (5.8-ft) attached signal cable.
•
Auto-sensing power input for 100 V ac to 240 V ac.
Keyboard
• USB RAK3e, w/o Hub, w/Palm Rest, Stealth Black IBM Keyboard. Keyboard is Geography/Model dependent.
Mouse
• PS/2 mouse (some models), standard 2-button mouse (some models) connected to the mouse port with 1.8-m (5.8-ft)
cable.
38
Hardware Interfaces
The following peripheral interfaces for adapters, options, and drives are supported in the system unit.
Table 1-1 System Board Hardware Interfaces
Item Interface
Expansion slot for I/O
adapter cards
Three PCI (peripheral component interconnect) v2.1 compatible expansion slots that
operate at 33 MHz bus speed. PCI slot 1 can hold a short (175mm) PCI adapter card.
PCI slot 2 can hold a PCI adapter card measuring 165 mm in length (or less). PCI slot 3
can hold a PCI adapter card measuring 236 mm in length (or less). The desktop model
(machine type 2255) only supports low profile PCI interface. (169mm)
Hard Disk Drives Dual UltraDMA33/66 interface for hard disk drive that supports up to ATA100.
CD-ROM/CD-RW/DVD-ROM
Drive
5.25-in. high-performance, forty speed (48X) CD-ROM IDE/AT drive
Support Bootable CD-ROM Format specification version 1.0.
Compliant to Audio-CD, Video-CD, CD-ROM/XA, Karaoke-CD, and Photo-CD (both
single and multi-session) format.
Diskette Drive AT diskette interface
Video Physical interface is compatible with the IBM Personal System/2 (PS/2) VGA interface.
VIA VT8364 VGA Onboard.
Modem One 56Kbps PCI Plug and Play modem adapter card with data/fax features.
Audio All models use Cirrus Logic 4299 Codec.
Pointing device IBM PS/2-compatible mouse
Keyboard device IBM USB RAK3E keyboard
Serial port 9-pin connector with RS232D electrical interface
Parallel port
Supports SPP (IBM PC/AT, PS/2) compatible, EPP (IEEE 1284 compliance), ECP (IEEE
1284 compliance) interface.
Game port Game port interface for joystick.
Ethernet Port Ethernet Onboard
USB USB controller integrated in core logic chip set.
39
CMOS Reset
This system does not deny access to the BIOS Setup Utility. Execute “Load BIOS Default Settings” in BIOS Setup to clear
the corrupted CMOS data. See “Load Optimized Defaults“on page 48.
40
Flash (BIOS) Update Procedure
NOTE:
The flash update procedure does not change the model number and serial number information in BIOS.
The following procedure is for the models come with the diskette.
1. Prepare a bootable DOS diskette with AWDFLASH.EXE and VXXYYZZ.BIN files
NOTE: The AWDFLASH.EXE is a flash utility program. The VXXYYZZ.BIN is a BIOS source code binary file.
2. Insert the diskette and boot from drive A.
WARNING: Do not boot with any memory related driver such as HIMEM.SYS, EMS.SYS .
3. At the DOS prompt, type A: > AWDFLASH VXXYYZZ.BIN and then press Enter.
4. The screen shows: “Do You Want To Save Bios (Y/N)”. Type Y if you want to save old bios data and N if you do not.
5. When the screen shows: “Are You Sure To Program (y/n)”, type Y to flash and update the system bios.
6. The program updates the BIOS automatically.
7. Wait for the update to complete.
WARNING: Do not turn off the system power while the BIOS is programming, or the flash ROM will be destroyed.
8. Press F1 to Reset (or press F10 to exit) the system after the BIOS is completely updated.
The following procedure is for the FDDless models.
For the FDDless models, there is a factory-executed program run before F2 (functional test 2) to load FDDless default setting
and the startup sequence will be USB FDD, HDD and then CD-ROM. That’s to say, servicer should bring USB FDD as
fixture and follow the procedure stated (step 1 ~ step 8) above to flash the BIOS.
41
BIOS-contained Model Number and Ser ial Number
The model number and serial number information is stored in BIOS ROM and displayed in the “Product Data” of BIOS Setup
main menu. If a repair is completed by replacing the system board or installing a new BIOS ROM, then you need to enter the
original system model number and serial number in the new BIOS ROM.
To enter the model number and serial number into BIOS:
The following procedure is for the models come with the diskette.
1. Prepare a bootable DOS diskette with VPD.EXE files.
2. Insert the diskette and boot from drive A.
WARNING: Do not boot with any memory related driver such as HIMEM.SYS, EMS.SYS.
3. At the DOS prompt, type A: >VPD then press Enter. You will be asked if you want to update the serial number, type Y
to continue. When the screen shows:
Serial Number:
Enter the serial number and press Enter to continue. You can type a maximum of 7 characters (without spaces).
Follow the instructions on the screen to complete the procedure.
4. Type A: >VPD and press Enter to display and verify your input model number and serial number information.
The following procedure is for the FDDless models.
For the FDDless models, there is a factory-executed program run before F2 (functional test 2) to load FDDless default setting
and the startup sequence will be USB FDD, HDD and then CD-ROM. That’s to say, servicer should bring USB FDD as
fixture and follow the procedure stated (step 1 ~ step 4) above to verify the model number and serial number information.
42
BIOS Setup Util ity
The Setup Utility lets you review and change important information about the com puter and its hardware.
Working with the Setup Menus
Starting the Setup Utility
Follow these steps to enter Setup when the computer is off:
1. Turn on your monitor.
2. Turn on the system unit.
3. When you see the IBM logo, press F1 to enter Setup and display the Main Menu.
Refer to the Setup Utility Main Menu below.
Configuration/Setup Utility
Select option:
System Summary
Product Data
Devices and I/O Ports
Start Options
Date and Time
Advanced Setup
Power Management Setup
Frequency Control
Load Optimized Defaults
Set Administrator Password
Save & Exit Setup
Exit Without Saving
Move
Enter:select
F10:Save
Esc:Exit
F2:General Help
Set User Password
Load FDDless Defaults
43
The following table lists specific keys on the keyboard that will help you move through the Setup menus:
Keys Function
Down- or up-arrow key
Use these arrow keys to highlight an option on the menu. (Press the Enter key to choose
the option.)
Left- or right-arrow key
Use these arrow keys to make a selection and change an option’s setting. In some menus,
you can use these keys to move from one field to another.
F10 Press this key to save your changes.
Enter Press this key to select a highlighted option from a menu.
F2 Press this key if you want help for a selected item in a menu.
Esc After viewing or making changes to the settings on a menu, press this key to exit the menu.
+ - Use the + and – keys to change the value in the Date and Time setting.
Changing Parameter Settings
In the Setup menus, the configuration information that you can change is enclosed in brackets like these: [ ]. You cannot
change any information that is not enclosed in brackets. Use the up- or down-arrow keys to highlight options then press
Enter to display a menu. When changing the setting of a particular parameter, highlight the setting then use the left- or right-
arrow key to change the setting.
System Summary
Choose this option to learn the system configuration of this machine. The pop-up menu will show the processor type,
processor speed, L1 chace status, L2 cache status, system memory speed, Drive A type, Drive B type, IDE Primary Master,
IDE Primary slave, IDE Secondary Master, IDE Secondary Slave and system memory total.
Product Data
This pop-up menu will show the following information of the system.
Machine Type/Model
Flash EEPROM Revision Level
System Serial Number
BIOS Date
BIOS Mode
Device and I/O Ports
Select this option to configure the onboard I/O, IRQ, and DMA assignment of the system.
Drive A
Determines the type of Drive A. (Optional items: None; 720K, 3.5 in.; 1.44M, 3.5 in.)
44
Drive B
Determines the type of Drive B. (Optioal items: None; 720K, 3.5 in.; 1.44M, 3.5 in.)
PS/2 Mouse Function Control
Disabled: Remove any installed PS/2 mouse from functioning but frees up IRQ 12.
Enabled: Allow the operating system to determine whether to enable or disable the mouse.
Serial Port Setup
Select this option to configure serial port. The initial setting is [2F8/IRQ3].
Parallel Port Setup
Select this option to configure parallel port. There are sub-options on the pop-up menu shown as following.
Onboard Parallel Port (Optioal items: Disabled; 3BC/IRQ 7; 378/IRQ7; 278/IRQ5)
Onboard Parallel Mode (Optional items: Normal; EPP; ECP; ECP/EPP)
USB Setup
Select this option to configure the Universal Serial Bus. There are sub-options on the pop-up menu shown as following. You
can choose the proper settings of this option once there is USB device attached to the system.
OnChip USB
Legacy USB Keyboard Support
Legacy USB Mouse Support
IDE Drives Setup
Select this option to enable or disable the IDE controller.
Video Setup
Select this menu item to modify the video settings.
AGP Aperture Size (Optional items:4/8/16/32/64/128 M)
AGP-4X Mode (Enable or Disable this option to get the difference performance of video)
AGP Master 1 WS W rite
AGP Master 1 WS Read
Init Display First
Specify which video subsystem to initialize first. Select [PCI Slot] to enable video on the PCI slot first. Select [OnBoard] to
enable on board VGA first.
Frame Buffer Size
Select this item to specify the frame buffer size of 8M/16M/32M.
Assign IRQ for VGA
Select this option to have the VGA IRQ assignment.
45
VIA OnChip PCI Device
Select this option to enable or disable the AC97 Audio function, OnBoard LAN function, OnBoard Legacy Audio, Sound
Blaster, Game Port, and so on.
PS/2 Mouse Detect Function
Determines whether the power-on selftest will check if there is a mouse attached to the mouse connector.
Onboard FDD Controller
Allow you to enable or disable the diskette drive (floppy disk drive) controller.
Startup Sequence
This setting controls which devices your computer will attemp to read data from when it is started.
Your computer can be started from several devices, including the hard disk drive, diskette drive, and CD-ROM drive. The
startup program looks for these devices in a selected sequence. The startup sequence on your computer is preset from the
factory to have the computer start up from a diskette, hard disk and CD-ROM. The startup sequence allows you to start the
diagnostic and recovery programs from the Product Recovery and Diagnostics CD, use emergency diskettes to recover from
a startup failure, and start from your hard disk for normal day-to-day operation. In order to boot from the CD-ROM, place CD
Drive before HDD in the boot sequence list.
Start Options
Setup automatically updates this menu when you do either of the following:
− Add or change hardware on your computer
−
Make changes to other menus in Setup and save those changes
To view the computer information such as the model number, serial number, and BIOS version and date, select the
Standard CMOS Setup option from the Setup main menu. The items displayed are not configurable.
Virus Warning
Determines if the BIOS will monitor the boot sector and partition table of the hard disk drive for any attempt at modification. If
any attempt is made, the BIOS will halt the system and an error message will appear.
Afterwards, if necessary, you will be able to run an anti-virus program to locate and remove the problem before any damage
is done.
CPU L2 Cache ECC Checking
Select this option to set the CPU L2 cache ECC (Error Checking Correcting) control.
Quick Power On Self Test
Speeds up Power On Self Test (POST) after you power up the computer. If it is set to Enabled, BIOS will shorten or skip
some check items during POST.
Swap Floppy Drive
If the system has two floppy drives, choose enable to assign physical drive B to logical drive A and vice-versa.
46
Boot Up Floppy S eek
Select Enabled to test the Floppy drive during POST.
Boot Up Numlock Status
Determines the default state of the numeric keypad. By default, the system boots up with NumLock on.
Gate A20 Option
This setting allows you to select how gate A20 is handled. Initially, gate A20 was handled via a pin on the keyboard. Today,
the system chipset provide more common and much faster support than keyboards.
Typematic Rate Setting
Determines if the typematic rate is to be used. When disabled, continually holding down a key on your keyboard generates
only one instance. In other words, the BIOS will only report that the key is down. When the typematic rate is enabled, the
BIOS will report as before, but will wait a moment. If the key is still down, it will report that the key has been depressed
repeatedly. You might use this feature to accelerate cursor movements with the arrow keys.
Typematic Rate (Chars/ S e c)
When the typematic rate is enabled, you can select the rate at which the keys are accelerated.
Typematic Delay (Msec)
When the typematic rate is enabled, you can select the delay between when the key was first depressed and when the
acceleration begins.
Report No FDD For WIN 95
Select [Yes] will report no floppy drive to the operating system.
Halt When Error Occurrence
This option allows system halt when POST error occurs. Select “Enabled” system will halt and “Disable” system will halt for 5
seconds then POST continues.
Halt on
Use this setting to determine under what conditions the power-on self test (POST) will halt when errors are detected.
ALL errors System halts in case of any errors
No errors System won’t halt in case of any errors
ALL, But keyboard System halts except for the keyboard error
ALL, But diskette System halts except for the diskette error
ALL, But disk/key System halts except for the diskette or keyboard error
Date and Time
Allow you to set the date and time.
47
Advanced Setup
You can set up some advanced hardware features in this function. If they are configured incorrectly, the system might
malfunction.
Cache Control
Determines whether the internal or external cache will be enabled or disabled. If enabled, the memory access will speed up.
ROM Shadowing
Video BIOS Shadowing option determines whether video BIOS will be copied to RAM. However, it is optional
depending on chipset design. Video Shadow will increase the video speed.
Chipset feature
Select this line to see the chipset menu.
Power Management Setup
The Power Management Setup allows you to configure your system to most effectively save energy while operating in a
manner consistent with your own style of computer use.
APM
Select this item to set APM options. There are several items could be chosen for power saving settings. You can choose the
proper time frame of Power management, HDD Power Down and Doze Mode. Select [Yes] or [No] on PM by APM to define
whether the power management is controlled by APM.
Activity Monitor
Select this item to set up those system activities that will be monitored for automatic power management.
Automatic power on
Select this item to control Automatic power on when your system is unattended.
ACPI Su spend Type
Select this option to set mode S1 or S3 when entering StandBy.
Frequency Control
This setting allows you to change the clock rate of CPU, SDRAM, DIMM and PCI bus.
Load FDDless Defaults
For models that do not include a diskette drive, this option allows you to reload optimized settings for operating without a
diskette drive.
If you have made changes in Setup but would like to restore the default settings, follow these steps:
1.From the Configuration/Steup Utility menu, highlight the option, then press
Enter. A dialog box appears confirming if you want to Load FDDless Defaults.
2.Type Y to select Yes, then press Enter.
48
3.Highlight the Save & Exit Setup Option, then press Enter. A dialog box appears
SAVE to CMOS and EXIT(Y/N)?
Load Optimized Defaults
When you purchase an IBM personal computer, it is already configured for use. The original configuration settings, also
called factory or default settings, are stored in the CMOS. Setup includes an option Load Optimized Default Settings that
allows you to reload the original configuration at any time.
If you have made changes in Setup but would like to restore the default settings, follow these steps:
1. From the main menu, highlight the option Load Optimized Default Settings then press Enter. A dialog box appears
confirming if you want to load the default settings.
2. Type Y to select YES, then press Enter
3. Highlight the option
Save & Exit Setup
, then press
Enter
.
4. Type Y to select Yes, then press Enter to save the changes in CMOS.
You must load the Setup default settings in the following instances:
− When you replace the system battery
−
When you customize your system configuration settings and some resource assignments conflict causing the
computer to hang.
Set Administrator Password
Supervisor password controls the access to the setup utility.
Set Password
In this option, you can create a password to restrict access to the Setup Utility or to your System. You can also change or
remove the password.
If you set up a password for entering setup, you must type this password each time you want to enter the Setup utility. If you
do not type the correct password, you cannot enter Setup.
If you set up a system password, you must type this password each time you power on your system.
Exiting Setup (Save & Exit Setup/Exit W ithout Saving)
Press Esc to return to the main menu when you have finished viewing settings and making changes. From this location, you
can exit Setup and save your changes or exit without saving your changes.
Follow these steps to exit Setup:
1. From the main menu, press the Esc key.
2. The Exit Setup dialog box appears saying Quit Without Saving (Y/N)? Type Y if you want to quit directly.
You also can Exit the Setup via highlighting the Save & Exit Setup option or Exit without Saving option and follow the
dialog box directions.
49
Specifications
Dimensions (width x depth x height):
•
System unit:
For machine type 2255:
− 305 mm (12.2 in.) x 88 mm (3.5 in.) x 380 mm (14.9 in.)
For machine type 2275:
− 385 mm (15 in.) x 192 mm (7.5 in.) x 388 mm (15.2 in.)
Weight:
• System unit:
For machine type 2255:
− 8.5 kg (18 lb)
For machine type 2275:
− 9.3 kg (20 lb)
Environment:
• Temperature for system unit:
−
Power on: 10° to 35°C (50° to 95°F)
− Power off: 10° to 43°C (50° to 110°F)
• Humidity for system unit:
−
Power on: 8% to 80%
− Power off: 8% to 80%
• Altitude for system unit:
−
7,000 feet
Power consumption:
•
System unit:
− Maximum: 120-watts for machine type 2255.
−
Maximum: 155-watts for machine type 2275.
Electrical input:
•
Input voltage for system unit (Sine-wave input is required) :
− Low Range: 90 V ac to 137 V ac
− High Range: 180 V ac to 265 V ac
50
Operating Requirements
All machines require two power inputs: one on the system unit and one on the monitor display.
The system unit comes with a voltage selector switch, allowing selection of either 115 V ac or 230 V ac. This switch must be
in the 230 V ac position when the machine is plugged into a 230 V ac electrical outlet.
51
Special Tools
The following special tool is required to service this system when running the diagnostics program (PC-Doctor):
• Wrap plug, P/N 72X854
52
53
Check Procedures
Check Procedures................. ..... .. .. .. .. .. .. .. .... .. .. .. ... .. .. .... .. .. .. .. .. .. ..... .. .. .. .. .. .. .... .. .. ... .. .. .. .... .. .............................53
Introduction....................................................................................................................................................... 54
Start .................................................................................................................................................................. 55
Index of Symptoms, Messages, Error Codes, or Beeps................................................................................. 60
Troubleshooting................................................................................................................................................ 70
Factory-Installed Storage Devices ........................................................................................................... 71
Factory-Installed Modem Card ................................................................................................................. 73
Audio (Not Supported by Diagnostics Program) ......................................................................................75
CD-ROM Drive.......................................................................................................................................... 76
Memory ..................................................................................................................................................... 78
Keyboard................................................................................................................................................... 78
Mouse........................................................................................................................................................ 79
Power Supply............................................................................................................................................81
Monitor ...................................................................................................................................................... 83
Undetermined Problems........................................................................................................................... 84
54
Introduction
This chapter contains the check procedures used to diagnose the causes of product failures. The diagnostic information
consists of:
Start: This is the starting point for any diagnostic action. Based on high-level symptoms, the check procedure directs you to
more detailed procedures to help resolve machine failures.
Index of Symptoms, Messages, Error Codes, or Beeps: The tables for BIOS Error Messages, Codes, Beeps, and Error
Symptoms list symptoms along with their probable causes, and direct you to the applicable check procedures to help resolve
machine failures. These tables also list the field replaceable units (FRUs) most likely to cause a particular problem.
Check Procedures: When the Start check procedure or the Index of Symptoms, Messages, Error Codes, or Beeps tables
point you to a specific check procedure, proceed to that section. If there are any notes or instructions at the top of the page,
read them before you begin with the procedure. Carefully read each step of the check procedure and perform the steps as
instructed. If you do not remember the location of a specific part or test point, or an adjustment or removal procedure, see
the chapter that contains that information. Always return to the check procedure after you do this. In som e cases, you are
referred to other check procedures to detect the cause of the failure.
55
Start
This is the entry point for all check procedures. The check procedures use failure symptoms, Power-On Self Test (POST)
error codes, or beeps to help determine the defective field replaceable unit (FRU). Follow the suggested check procedures or
use the diagnostics diskette to determine the problem FRU.
IMPORTANT: Replace FRUs ONLY when it is determined that the error is not a result of software, loose contacts, or dirty
component surfaces. Any FRU change should be verified by running a complete test (Diagnostics - All Tests in
PC-Doctor diagnostics program).
This book comes with a diagnostic program diskette. This diskette should be used ONLY with Machine Types 2255 and
2275. Do not use this diskette on other models.
POST error codes and error messages are displayed on the screen after the IBM logo. A beep will precede each error code
or message. Please refer to “Index of Symptoms, Messages, Error Codes, or Beeps” on page 60 for additional help.
All voltages in the check procedures are positive unless otherwise indicated. Use frame ground for all voltage checks unless
otherwise specified.
IMPORTANT: There is a voltage selector on the rear panel of the machine. Use a flat-head screwdriver to turn the voltage
selector to the voltage setting for the area in which you will be using the system.
NOTE: If the check procedures instruct you to replace a FRU and the error message persists, an option adapter card
might be causing the failure. Remove all option adapter cards, one at a time, until the error changes or the problem
is no longer apparent. The problem may be in the last card that you removed or something associated with it.
The Recovery CD contains pre-loaded software that may reinstall the original software and recover the system. Ensure that
data and programs on the hard drive have a backup copy.
How to Diagnose Combined FRUs: If an adapter or device consists of more than one FRU, any of the FRUs might cause
an error code. Before replacing the device or adapter, remove the FRUs one by one to see if the symptoms change.
56
If a newly replaced FRU does not correct the problem: If you have reached this point of the check procedures and were
instructed to replace a FRU but doing so did not correct the problem, reinstall the original FRU and go through "Start" again.
If you want to print a copy of a BIOS Setup Utility screen to an attached printer, press Print Screen key, while the screen is
displayed.
PLEASE READ THE FOLLOWING:
Human Error is a cause for concern when applied to check procedures. It exists in every first time set of
analysis procedures. It is therefore essential for effective and time-efficient servicing that each stage of
every procedure be verified. (For example: When a symptom is found, or when a symptom appears to
have been cured; the preceding steps should be repeated for accuracy of analysis.)
001 - START
To begin, note the following:
Disable the setting of “Quick Power-On Self Test” from BIOS Setup.
Disconnect all external cables and devices including speakers and microphone from the system unit, except for the
keyboard, mouse, and monitor.
Power off the system unit before moving it or when replacing FRUs.
Remove all adapter cards, except for the factory-installed modem adapter card and any other IBM factory-installed
adapter cards.
Disconnect any drives except:
■ 3.5-in. diskette drive
■ Hard disk drive
■ Factory-installed devices (such as a CD-ROM drive)
Make sure that all power cords and cables are connected properly.
Make sure that the monitor brightness and contrast controls are not turned down.
Power on the system unit.
NOTE: Some monitors have a detachable system I/O signal cable between the monitor and the system unit. In this case,
check this signal cable before replacing the unit. See “Monitor Port Signals” on page 130 for pin identification.
57
Make sure that the monitor refresh rate is correct.
Note any symptoms, messages, error codes, or beeps.
Make sure that there are no diskettes or CDs in the drives.
002 - DOES AN IBM LOGO SCREEN APPEAR? (YES, READ AHEAD. NO, GO TO STEP 004.)
Insert the diagnostics diskette in the diskette drive.
003 - DOES SYSTEM LOAD THE DIAGNOSTICS PROGRAM FROM THE DISKETTE DRIVE? (YES, READ AHEAD.
NO, GO TO STEP 004.)
Follow the instructions on the screen and select Utility from the diagnostics program menu.
Select Tech Support Form from the menu, press F5 to execute, then generate a system configuration report.
Compare the system configuration list with the actual devices installed in system.
NOTE: If necessary, remove the machine cover and visually compare the devices installed in system to those shown
in the system configuration report.
Go to step 006.
004 - DO ANY MESSAGES, ERROR CODES, OR SYMPTOMS APPEAR? (YES, READ AHEAD. NO, GO TO STEP
005)
Go to “Index of Symptoms, Messages, Error Codes, or Beeps” on page 60.
End.
58
005 -
If the keyboard responds incorrectly, go to "Keyboard" on page 78.
006 - DOES THE SYSTEM CONFIGURATION REPORT CORRECTLY IDENTIFY THE DEVICES INSTALLED IN
SYSTEM? (YES, READ AHEAD. NO, GO TO STEP 007.)
Select Diagnostics from the diagnostics program menu.
Select and execute All Tests.
Go to step 008.
007 -
The system configuration report shows only those devices supported by the diagnostics diskette.
If a device is missing from the list and is not factory installed, refer to the service manual provided for that device.
59
008 - DOES THE DIAGNOSTICS FINISH WITHOUT ANY ERRORS? (YES, READ AHEAD. NO, GO TO STEP 009.)
If the Diagnostics \ A ll Tests did not detect a failure but the system still indicates a failure:
Check all adapter card jumper settings.
Check all adapter card switch settings.
Check all adapter card cables and connectors.
Make sure that all of the above are set correctly and show the correct voltages and continuity. Replace any defective
cables or adapter cards. See “Power Supply Cable Connector Specifications” on page 122 and “Layout of the System
Board for Machine Types 2255 and 2275” on page 119.
Run the Diagnostics \ All Tests again.
If an error or other symptom is displayed, go to “Index of Symptoms, Messages, Error Codes, or Beeps” on page 60.
If no error can be detected or the symptom is intermittent, go to "Undetermined Problems” on page 84.
End
009 -
If the last test stops and you cannot continue, first make sure all switches, power connectors, cables, and jumpers are
set correctly and show the correct voltages and continuity.
Take note of any messages, error codes, beeps, or new symptoms. Go to "Index of Symptoms, Messages, Error Codes,
or Beeps" on page 60.
If there is no error symptom or the error symptom is intermittent, go to “Undetermined Problems” on page 84.
60
Index of Symptoms, Messages, Error Codes, or Beeps
How to Use Error Messages:
Use the messages, error codes, and beeps combinations that occur to diagnose failures. If
more than one failure occurs, diagnose from the first failure that appears. The cause of the first failure can result in false
messages, error codes, or beeps. If you did not receive any messages, error codes, or beeps, see if the symptom is listed in
Table 2-3, " Error Symptoms List” on page 65.
ATTENTION: When you have replaced a FRU, you must run the diagnostics to ensure that no other activity has been
affected by the change. This system check can be done through the diagnostics program (Select
Diagnostics, then select and execute All Tests from PC-Doctor).
POST:
Some diagnostic aids are resident in the machine, such as the Power-On Self Test (POST). The machine performs
the POST each time it is powered on. Use this information throughout the diagnostic procedures. The POST is a series of
system checks and initializations that verify the correct operation of the base system.
After a successful POST, the system attempts to load the operating system. The system can be customized for different
startup (boot) methods by the BIOS Setup Utility. See “Advanced Setup” on page 47.
The system's default startup sequence automatically looks for the operating system files in the hard disk if these files are not
found in the diskette.
NOTE: Remember that POST does not test all areas, but only those that allow the system to operate well enough to run
the diagnostics program.
Table 2-1 lists BIOS error codes, messages, and beeps and their possible causes, table 2-3 lists error symptoms and their
possible causes. The most likely cause is listed first. Make sure you complete all items in the cause or "Action/FRU" column.
When servicing a system, always begin with "Start" on page 55.
If the problem cannot be corrected using these two index tables, go to “Undetermined Problems” on page 84.
61
NOTES:
If an error message and incorrect audio response occur, diagnose the error message first.
If you cannot run the diagnostics program tests but did receive a POST error code, diagnose the POST error message.
If you did not receive any error message, look for a description of your error symptoms in " Error Symptoms List” on page 65.
Check all power supply voltages, switch, and jumper settings before you replace the system board. Also check the power
supply voltages if you have a “system no-power” condition. (“Power Supply Cable Connector Specifications” on page 122
and “Layout of the System Board for Machine Types 2255 and 2275” on page 119.)
If the problem cannot be corrected by using the “BIOS Error Codes, Messages, And Beeps List” table and “Error Symptoms
List” table, go to "Undetermined Problems” on page 84.
Table 2-1 BIOS Error Codes, Messages, and Beeps List
BIOS Error Codes,
Messages, beeps
Action/FRU
NOTE: To diagnose a problem, first find the BIOS error messages, codes, or beeps in left column. If directed to a check
procedure, replace the FRU indicated in the check procedure. If no check procedure is indicated, the first Action/FRU listed
in right column is the most likely cause.
POST Error Codes and Messages
161
CMOS battery failed
Loads default settings in Setup and reboot the system.
CMOS battery.
System board.
162
CMOS checksum error
- Defaults loaded
Make sure the equipment (diskette drive, hard disk drive, keyboard, mouse, etc.) is
connected properly and are set correctly in BIOS Setup.
Load default settings in setup.
CMOS battery should be replaced.
System board.
164
Memory size error
Make sure the DIMMs are inserted properly.
System board.
201
Memory test failure.
Insert the memory modules in the DIMM sockets properly, and then reboot the system.
Memory module. See the “Step 005” of ”Memory” on page 78 to replace memory module.
System board.
301
Keyboard error or no keyboard
present.
Make sure the keyboard is connected properly and are set correctly in BIOS Setup.
System board.
662
FLOPPY DISK(S) failure (80)
Unable to reset floppy subsystem.
662
FLOPPY DISK(S) failure (40)
Floppy Type mismatches.
1701
Hard disk(s) Diagnosis failure
Make sure the hard disks are set correctly in BIOS setup.
Hard disk drives cable/connection.
Hard disk drives.
System board.
62
Table 2-1 BIOS Error Codes, Messages, and Beeps List
BIOS Error Codes,
Messages, beeps
Action/FRU
NOTE: To diagnose a problem, first find the BIOS error messages, codes, or beeps in left column. If directed to a check
procedure, replace the FRU indicated in the check procedure. If no check procedure is indicated, the first Action/FRU listed
in right column is the most likely cause.
1762
Primary master IDE has
changed
Primary slave IDE has changed
Secondary master IDE has
changed
Secondary slave IDE has
changed
Make sure that the System Boot Drive parameter in the Startup Options of BIOS Setup is
not set to [Drive A only].
Load default settings in Setup.
Insert a system diskette into diskette drive and reboot system.
Make sure the diskette drive configuration setting in BIOS Setup is correct.
Hard disk drives power.
Diskette drive.
System board.
1780
Primary master hard disk
failure
1781
Primary slave hard disk failure
A warning message to indicate there has been a change of IDE Primary (Secondary)
Channel Master (Slave) device.
Load default settings in Setup.
Check IDE drive jumper. See “3.5-In. Hard Disk Drive Jumper Locations” on page 126.
IDE drive power.
IDE drive cable/connection.
IDE drive.
1782
Secondary master hard disk
failure
1783
Secondary slave hard disk
failure
A warning message to indicate there has been change of IDE Primary (Secondary)
Channel Master (Slave) device.
Load default settings in Setup.
Check IDE drive jumper. See ”3.5-In. Hard Disk Drive Jumper Locations” on page 126.
IDE drive power.
IDE drive cable/connection.
IDE drive.
8602
Mouse error on no Mouse
present
Make sure the Mouse is connected properly and is set correctly in BIOS Setup.
Mouse.
System board.
SYSTEM HALTED, (CTRL-
ALT-DEL) TO REBOOT…
Indicates the present boot attempt has been aborted and the system must be rebooted.
Press and hold down the CTRL and ALT key and DEL.
Hard Disk(s) failure (80) Hard Disk Drive reset failed.
Hard Disk(s) failure (40) Hard Disk Drive controller diagnostics failed.
Hard Disk(s) failure (20) Hard Disk Drive initialization error.
Hard Disk(s) failure (10) Unable to recalibrate fixed disk.
Non-System disk or disk error
Replace and strike any key
when ready
Insert a system disk into Drive A: and press <Enter>.
If you assumed the system would boot from the hard drive, make sure the controller is
inserted correctly and all cables are properly attached.
Be sure the disk is formatted as a boot device. Then reboot the system.
OFFENDING SEGMENT:
This message is used in conjunction with the I/O CHANNEL CHECK and RAM PARITY
ERROR messages when the segment that has caused the problem has been isolated.
PRESS A KEY TO REBOOT
This will be displayed at the bottom of the screen when an error occurs that requires you to
reboot. Press any key and the system will reboot.
63
Table 2-1 BIOS Error Codes, Messages, and Beeps List
BIOS Error Codes,
Messages, beeps
Action/FRU
NOTE: To diagnose a problem, first find the BIOS error messages, codes, or beeps in left column. If directed to a check
procedure, replace the FRU indicated in the check procedure. If no check procedure is indicated, the first Action/FRU listed
in right column is the most likely cause.
PRESS F1 TO DISABLE NMI,
F2 TO REBOOT
When BIOS detects a Non-maskable Interrupt condition during boot, this will allow you to
disable the NMI and continue to boot, or you can reboot the system with the NMI enabled.
RAM PARITY ERROR –
CHECKING FOR SEGMENT ...
Indicates a parity error in Random Access Memory.
Memory parity Error at ...
Indicates a memory parity error at a specific location. You can use this location along with
the memory map for your system to find and replace the bad memory chips.
Memory Verify Err or at ...
Indicates an error verifying a value already written to memory. Use the location along with
your system's memory map to locate the bad chip.
OFFENDING ADDRESS NOT
FOUND
This message is used in conjunction with the I/O CHANNEL CHECK and RAM PARITY
ERROR messages when the segment that has caused the problem cannot be isolated.
ERROR ENCOUNTERED
INITIALIZING HARD DRIVE
Hard drive cannot be initialized. Be sure the adapter is installed correctly and all cables are
correctly and firmly attached. Also be sure the correct hard drive type is selected in Setup.
ERROR INITIALIZING HARD
DISK CONTROLLER
Cannot initialize controller. Make sure the cord is correctly and firmly installed in the bus. Be
sure the correct hard drive type is selected in Setup. Also check to see if any jumper needs
to be set correctly on the hard drive.
FLOPPY DISK CNTRLR
ERROR OR NO CNTRLR
PRESENT
Cannot find or initialize the floppy drive controller. Make sure the controller is installed
correctly and firmly. If there are no floppy drives installed, be sure the Diskette Drive
selection in Setup is set to NONE.
64
Table 2-2 BIOS Error Codes, Messages, and Beeps List
BIOS Error Codes, Messages,
beeps
Action/FRU
NOTE: To diagnose a problem, first find the BIOS error messages, codes, or beeps in left column. If directed to a check
procedure, replace the FRU indicated in the check procedure. If no check procedure is indicated, the first Action/FRU listed
in right column is the most likely cause.
Beeps
(2: long, 1: short)
2-1-1
2- (repeatedly)
This code indicates that a video error has occurred and the BIOS cannot initialize the
video screen to display any additional information.
The code indicates that DRAM error has occurred. See “
Memory (DIMM)”on page 103 to
get more information.
65
Table 2-3 Error Symptoms List
Error Symptoms Action/FRU
NOTE: To diagnose a problem, first find the error symptom in the left column. If directed to a check procedure, replace the
FRU indicated in the check procedure. If no check procedure is indicated, the first Action/FRU listed in right column is the
most likely cause.
Processor
NOTE: Normally, the processor fan should be operative, and the processor clock setting should be exactly set to match its
speed requirement before diagnosing any processor problems.
Processor fan does not run but
power supply fan runs.
Make sure that the system is not in power saving mode. See “Power Management Setup”
on page 47.
With the system power on, measure the voltage of processor fan connector FN. (See
“Power Supply Cable Connector Specifications” on page 122 and refer to the
“
Connectors and Functions for the System Board of Machine Types 2255 and
2275
” on page 121.) It’s reading should be +12Vdc.
Processor fan.
System board.
Processor test failed. Processor.
System board.
System Board
NOTE: Ensure that the memory modules are installed properly and the contact lead is clean before diagnosing any
system problems.
Memory test failed. “Memory” on page 78
System board
Incorrect memory size shown or
repeated during POST.
Insert the memory modules in the DIMM sockets properly, and then reboot the system.
Memory module. See the “Step 005” of “Memory” on page 78 to replace memory module.
System board.
System works but fails to enter
power saving mode when the
“Power Management” is set to
[Enabled], and power saving
timer set in BIOS has elapsed.
Load default settings.
In Windows Millennium, check settings in Control Panel Power utility.
Reload software from Recovery CD.
System hangs before system
boot.
“Index of Symptoms, Messages, Error Codes, or Beeps” on page 60.
“Undetermined Problems” on page 84.
System hangs after system boot.
Execute a system test (“Diagnostics/All Tests” in PC-Doctor diagnostics program) and set
it to stop at “Halt on Error” to see the potential cause of the problem.
“Undetermined Problems” on page 84.
Blinking cursor only; system
does not work.
"Start" on page 55.
Diskette/IDE drive connection/cables
Diskette/IDE disk drives
“Undetermined Problems” on page 84.
System board
Diskette Drive
NOTE: Ensure that the diskette drive is configured correctly in BIOS Setup and its read/write head is clean before
diagnosing any diskette drive problems.
66
Table 2-3 Error Symptoms List
Error Symptoms Action/FRU
NOTE: To diagnose a problem, first find the error symptom in the left column. If directed to a check procedure, replace the
FRU indicated in the check procedure. If no check procedure is indicated, the first Action/FRU listed in right column is the
most likely cause.
Media and drive are
mismatched.
Make sure that the diskette drive is configured correctly in the Disk Drives of BIOS Setup.
Make sure that the diskette drive is correctly formatted.
Diskette drive connection/cable
Diskette drive
System board
Diskette drive does not work.
Make sure that the diskette drive is not set to [None] in the “Standard CMOS Setup” of
BIOS Setup.
Diskette drive power
Diskette drive connection/cable
Diskette drive
System board
Diskette drive test failed. Diskette
Diskette drive
Diskette drive cable
System board
Hard Disk Drive
NOTE: Ensure hard disk drive is configured correctly in BIOS Setup, cable/jumper are set correctly before diagnosing any
hard disk drive problems.
Hard disk drive test failed. Load default settings.
Hard disk drives cable.
Hard disk drives.
System board.
Hard disk drive formats error. Load default settings.
Hard disk drives cable.
Hard disk drives.
System board.
Hard disk drive writes error. Load default settings.
Hard disk drives.
Hard disk drive LED fails to light,
but system operates normally.
With the system power on, measure the voltage of hard disk LED connector JP9 (Please
refer to the “
Connectors and Functions for the System Board of Machine Types
2255 and 2275
” on page 121).
CD-ROM Drive
NOTE: Make sure CD-ROM drive is configured correctly in BIOS Setup, cable/jumper are set correctly and its laser beam
is clean before diagnosing any CD-ROM drive problems.
67
Table 2-3 Error Symptoms List
Error Symptoms Action/FRU
NOTE: To diagnose a problem, first find the error symptom in the left column. If directed to a check procedure, replace the
FRU indicated in the check procedure. If no check procedure is indicated, the first Action/FRU listed in right column is the
most likely cause.
CD-ROM drive LED flashes for
more than 30 seconds before
LED shutting off.
Software asks to reinstall disc.
Software displays a reading CD
error.
CD may have dirt or foreign material on it. Check with a known good disc.
CD is not inserted properly.
CD is damaged.
CD-ROM drive LED doesn’t
come on but works normally.
CD-ROM drive
CD-ROM drive cannot load or
eject when the system is
turned on and its eject button
is pressed and held.
CD-ROM drives power.
"CD-ROM Drive" on page 76.
CD-ROM drive
CD-ROM drive does not read
and there are no error codes
or messages are displayed.
CD may have dirt or foreign material on it. Check with a known good disc.
Make sure that the CD-ROM driver is installed properly.
CD-ROM drive.
CD-ROM drive can play audio
CD but no sound output.
Make sure that the headphone jack of the CD-ROM has an output, then check if the audio
cable from CD-ROM drive to system board CD audio connector is connected properly.
Turn up the sound volume.
Speaker power/connection/cable.
CD-ROM drive.
Real-Time Clock
Real-time clock is inaccurate. Make sure that the information in the Date and Time of BIOS Setup is set correctly.
Load default settings.
RTC battery.
System board
Audio
Audio software program invokes
but no sound comes from
speakers.
Speaker power/connection/cable.
Modem
Data/fax modem software
program invokes but cannot
receive/send data/fax.
“Factory-Installed Modem Card” on page 73.
Video and Monitor
Video memory test failed.
Video adapter failed.
Remove all non-factory cards.
Loads default settings (if screen is readable).
System board
68
Table 2-3 Error Symptoms List
Error Symptoms Action/FRU
NOTE: To diagnose a problem, first find the error symptom in the left column. If directed to a check procedure, replace the
FRU indicated in the check procedure. If no check procedure is indicated, the first Action/FRU listed in right column is the
most likely cause.
Display problem:
- Incorrect colors
- No high intensity
- Missing, broken, or
incorrect characters
- Blank monitor(dark)
- Blank monitor(bright)
- Distorted image
- Unreadable monitor
- Other monitor problems
Monitor signal connection/cable.
Monitor
System board
Display changing colors. Monitor signal connection/cable
Monitor
System board
Display problem not listed above
(including blank or illegible
monitor).
"Monitor" on page 83.
Loads default settings (if screen is readable).
System board
Parallel
NOTE: Execute “Load BIOS Default Settings” in BIOS Setup to confirm ports’ presence before diagnosing any
parallel/serial ports problems.
Serial or parallel port loop-back
test failed.
Make sure that the LPT# or COM# you test is the same as is set in BIOS Setup.
Loop-back.
System board.
Printing failed. Make sure that the printer driver is properly installed.
Refer to the service manual for the printer.
Printer.
Printer cable.
System board.
Printer problems. Refer to the service manual for the printer.
Joystick
Game port does not respond or
does not work.
Connect a joystick to the game port, and then execute “Interactive Test/Joystick test” in
PC-Doctor diagnostics program.
System board.
Diagnostic Program
Diagnostics programs cannot be
executed.
Reboot the system from the diagnostics diskette.
Load default settings.
Diagnostics diskette.
Memory module.
System board.
Missing diagnostics files(s). Diagnostics diskette.
69
Table 2-3 Error Symptoms List
Error Symptoms Action/FRU
NOTE: To diagnose a problem, first find the error symptom in the left column. If directed to a check procedure, replace the
FRU indicated in the check procedure. If no check procedure is indicated, the first Action/FRU listed in right column is the
most likely cause.
Keyboard
Some or all keys on keyboard do
not work.
“Keyboard“ on page 78.
Power Supply
Pressing power switch cannot
turn off system. (Only unplug
power cord from electrical outlet
can turn off system.)
See ”Power Management Setup” on page 47.
Power switch cable assembly
"Power Supply" on page 81.
System board
Pressing power switch cannot
turn on system.
Check the voltage selector on the power supply if it is off.
Power switch cable assembly.
Executing software shutdown
from Windows98 Start menu
cannot turn off system. (Only
pressing power switch can
force system to turn off).
Load default settings.
Reload software from Recovery CD.
No system power, or power
supply fan is not running.
"Power Supply" on page 81.
System board.
Other Problems
Any other problems. “Undetermined Problems” on page 84.
70
Troubleshooting
Failing Parts or Assemblies:
The check procedures generally help you trace a problem to one part or assembly. The last
step of the specific check procedure you are using indicates that a part or assembly is failing. You should inspect the part or
assembly before you decide to replace it. It might be loose, dirty, or in need of a small repair. The check procedures might
lead you to two, or even three, possible failing parts or assemblies. The parts that might be failing are listed in order of the
most probable failure. Also, the FRU parts are defined as replaced units and are not repaired in the field.
Measuring Voltages: Some check procedure steps instruct you to measure voltages on cable plugs and electronic board
connectors. If you are asked to measure voltage at several places on a plug or connector, a chart next to or near the
instruction indicates the number of the plug or connector, the pin numbers you should measure, the signal name, and the
correct voltage for the condition you are measuring. Measure the voltage only at the pins listed in the chart. Remember to set
the meter on the correct scale and to put the meter leads in the correct position for the voltage you are asked to measure.
NOTE: Use frame ground as the ground reference. Attach the black (ground) lead of meter to frame ground, except where
specified otherwise.
71
Factory-Installed Storage Devices
Use this check procedure to test any factory-installed drives.
ATTENTION: The customer may have customized settings in the Setup Utility (other than default settings) on the computer
you are servicing. Running the Setup Utility might alter those settings. Take note of the current settings and verify
that the customer settings are in place when service is complete.
NOTE: If you cannot access the hard disk drive or load a diskette from Drive A or load a CD from the CD-ROM drive,
make sure that the BIOS Setup Utility has the startup sequence set with diskette, CD-ROM, and hard disk drives.
001 - START
Insert the diagnostics diskette into the diskette drive.
Power-off then power-on the system unit.
002 - DO ANY POST MESSAGES, ERROR CODES, BEEPS, OR SYMPTOMS OCCUR? (YES, READ AHEA D. NO, GO
TO STEP 003)
Go to “Index of Symptoms, Messages, Error Codes, or Beeps” on page 60.
End.
003 -
Select Utility from the menu.
Select and execute Tech Support Form from the menu to generate a system configuration report.
Compare the system configuration list with the actual devices installed in system.
NOTE: If necessary, remove the cover and visually compare the devices installed in the system unit to those shown in
the Tech Support Form.
004 - IF THE NUMBER OF DISKETTE, HARD DISK, OR CD-ROM DRIVE IS NOT CORRECT, READ AHEAD; OR GO
TO STEP 005.
Check the cable installation of all disk drives.
Diskette drive should be connected to the system board Floppy connector. (Please refer to the “Connectors and
Functions for the System Board of Machine Types 2255 and 2275” on page 121.)
IDE Primary Channel Master and Slave Drives in BIOS Setup should be connected to the system board primary IDE
connector. (Please refer to the “Connectors and Functions for the System Board of Machine Types 2255 and 2275”)
IDE Secondary Channel Master and Slave Drives in BIOS Setup should be connected to the system board secondary
IDE connector. (Please refer to the Connectors and Functions for the System Board of Machine Types 2255 and 2275.)
NOTE: The CD-ROM drive that comes with system unit should be configured as IDE Secondary Channel Master
device.
Check the hard disk and CD-ROM drives jumper settings. See “3.5-In. Hard Disk Drive Jumper Locations” on page 126
and "CD-ROM Drive" on page 76.
Check the voltages of all disk drive power connectors. See “Power Supply Cable Connector Specifications” on page
122.
Correct the parameter settings under Disk Drives in the BIOS Setup. See ”IDE Drives Setup” on page 44.
In the BIOS Setup, check that the correct drive size is set for the flagged drive shown in the Installed Devices list.
Load default settings.
If the problem remains, check the continuity on the drive and the cable and replace it if necessary. If that does not fix
the problem, replace the system board.
End.
005 –
72
Select Diagnostics from the PC-Doctor diagnostics program main menu. Select and execute Floppy Disk Test if you
want to test the diskette drive. Select and execute Hard Disk Test if you want to test the hard disk drive.
Select Interactive Tests from the PC-Doctor diagnostics program main menu, then select and execute CD-ROM/DVD
Test if you want to test the CD-ROM drive.
If the diagnostics program did not detect a failure, but the system still displays a failure:
If an error or other symptom appears, go to “Index of Symptoms, Messages, Error Codes, or Beeps” on page 60.
If no error can be detected or the symptom is intermittent, go to “Undetermined Problems” on page 84.
End.
73
Factory-Installed Modem Card
001 - START
Power off the system unit.
In Windows Device Manager, make sure that the modem is not configured with a conflicting COM port and IRQ setting.
Make sure that the communication software is configured with the correct COM and IRQ settings (same COM port and
IRQ as the modem).
Make sure that all communication parameters (baud rate, data, stop and parity bits) are properly configured and are
identical on both sides.
Connect the phone line to the LINE port of the modem card.
NOTE:
Check the outside phone line by connecting a working telephone to the telephone wall jack. Listen for a dial
tone to ensure that the phone line is good.
002 -
Insert the diagnostics diskette into the diskette drive.
Power on the system unit.
Select Diagnostics menu,
Select All Tests, then execute Modem test.
003 - DOES THE MODEM PASS THE TEST? (YES, READ AHEAD. NO, GO TO STEP 004.)
Power off the system unit.
Remove all adapter cards.
Connect a hard disk drive with pre-loaded Windows Millennium.
Power on the system unit.
Perform the following steps under W indows Millennium.
NOTE: If an operating system other than Microsoft Windows Millennium is installed, the program screens and icons
may differ from these instructions.
1. Start Microsoft Windows Millennium.
2. Select the Start icon.
3. Select Program, then select Accessories, Hyper Terminal.
4. Select an on-line service station, dial and connect to it.
74
004 - CAN THE MODEM DIAL OUT AND CONNECT TO ANY BBS SUCCESSFULLY? (YES, READ AHEAD. NO, GO
TO STEP 005.)
The modem adapter functions normally.
End.
005 -
Make sure that Windows Millennium is properly installed, and then power off the system unit.
Plug the modem adapter card into a different PCI slot.
Go to step 002.
If the error symptom still remains, replace the modem adapter card.
End.
75
Audio (Not Supported by Diagnostics Program)
NOTE: Audio tests for the sound card cannot be carried out in the PC Doctor DOS diagnostics program. It is, however,
possible to carry out a dial tone test for the modem.
While performing this check, you may need to enter and exit Microsoft Windows Millennium several times. When
instructed to select an icon or button, double-click on the item with the mouse.
For more information about using Microsoft Windows Millennium, see the user's guide that came with the computer.
If an operating system other than Microsoft Windows Millennium is installed, the program screens and icons may
differ from these instructions.
001 - START
Power off the system unit.
Remove all adapter cards.
Connect a hard disk drive with pre-loaded Windows Millennium.
Power on the system unit.
Load default settings in setup (audio may be disabled).
002 - DO ANY POST MESSA GES, ERROR CODES, BEEPS, OR SYMPTOMS APPEAR? (YES, READ AHEAD. NO,
GO TO STEP 003)
Go to “Index of Symptoms, Messages, Error Codes, or Beeps” on page 60.
End.
003 - DO ANY MESSAGES OR ERROR CODES DISPLAY AFTER POST COMPLETES BUT BEFORE MICROSOFT
WINDOWS MILLENNIUM STARTS? (YES, READ AHEAD. NO, GO TO STEP 004)
NOTE: If POST does not complete, answer this question "No".
Make sure that Windows Millennium is properly installed.
End.
76
004 -
Perform the following under Windows Millennium.
NOTE: If an operating system other than Microsoft Windows Millennium is installed, the program screens and icons
may differ from these instructions.
1. Start Microsoft Windows Millennium.
2. Select the Start icon.
3. Select Settings, then select Control Panel.
4. Select the Sound icon.
5. In the Sound window, select chimes from the Names field. (To test other adapter card software, select an action
from a menu in that software.)
005 - IS THE PREVIEW BUTTON, OR ACTION IN OTHER SOFTWARE, SELECTABLE ON THE SCREEN (SHOWN IN
BLACK AND NOT GRAY)? (YES, GO TO STEP 006. NO, READ AHEAD.)
Make sure that Windows Millennium is properly installed.
Go to step 001.
006 -
Select the Preview button from the Sound window.
007 - DO YOU HEAR A NY SOUND FROM THE SPEAKER? (YES, READ AHEAD. NO, GO TO STEP 008.)
The audio feature is functioning normally. Click Cancel to close the dialog box. Exit Microsoft Windows Millennium.
If the symptom remains or has changed, go to “Index of Symptoms, Messages, Error Codes, or Beeps” on page 60.
End.
008 -
Make sure that the volume control is not turned low.
Make sure that the speaker and its adapter are not damaged.
Make sure that the speaker is plugged into speak-out jack. Refer to the “Connectors and Functions for the System
Board of Machine Types 2255 and 2275” on page 121.
If the error cannot be resolved, replace the system board.
End.
CD-ROM Drive
001 - START
Insert the diagnostics diskette into the diskette drive and make sure that there is no CD in the CD-ROM drive.
Select
Interactive Tests
menu, then select and execute
CD-ROM Test
.
002 - DO YOU SEE A MESSAGE “NO CD-ROM DRIVE OR MSCDEX DEVICE DRIVER INSTALLED.”? (YES, READ
AHEAD. NO, GO TO STEP 003.)
Exit the diagnostics program and power off the system.
Check and make sure that the CD-ROM drive power cable and audio and data cables are not damaged and are
connected properly.
Check and make sure that the CD-ROM drive driver is loaded correctly.
Load default settings.
77
003 - DO THE TESTS OF OPEN/CLOSE TRAY BY DIAGNOSTICS PROGRAM AND BY DEPRESSING CD-ROM
DRIVE BUTTON WORK? (YES, READ AHEAD . NO, GO TO STEP 006.)
Load a known good data CD into the CD-ROM drive and try to read its content by typing DIR at DOS prompt.
004 - CAN A CD BE READ FROM THE CD-ROM DRIVE? (YES, THEN THE CD-ROM DRIVE FUNCT IONS NORM ALLY.
NO, READ AH EAD.)
Try reading the CD with a known good CD-ROM drive.
005 - IS THE CD STILL NOT READABLE? (YES, READ AHEAD. NO, GO TO STEP 006.)
Replace system board.
End.
006 -
Replace CD-ROM drive.
End.
78
Memory
001 - START
Power off the system unit.
Insert the diagnostics diskette into the diskette drive.
Make sure that all DIMMs are installed correctly.
Power on the system unit.
Take note of any messages, error codes, or symptoms.
002 - DO YOU RECEIVE POST MEMORY ERROR MESSAGE? (YES, READ AHEAD. NO, GO TO STEP 003)
Enter BIOS Setup Utility then reboot the system. Take note of any messages, error codes, or symptoms. If the error
message remains, go to step 005.
003 Follow the screen instructions to run the Memory test.
004 - DOES THE MEMORY TEST COMPLETE WITHOUT AN ERROR? (YES, READ AHEAD. NO, G O TO STEP 005.)
The system memory is now functioning correctly. If you suspect an intermittent problem, run the Memory test again.
End.
005 -
Replace each DIMM, one at a time, with a known working DIMM of the same size and type.
If the problem does not appear, it means that the last DIMM replaced is defective. If all DIMMs on the system board
have been replaced and the problem remains, replace system board.
Go to step 001.
NOTE: If on startup, there is no memory inserted onto the system board, you will hear 2 long beeps.
Keyboard
001 - START
Power off the system unit and make sure that the keyboard plug is connected properly.
002 -
Insert the diagnostics diskette into the diskette drive and power on the system unit.
Select Interactive Tests menu, then execute Keyboard test.
003 - DOES THE KEYBOARD FUNCTION CORRECTLY? (YES, READ AHEAD. NO, GO TO STEP 004.)
Keyboard is functioning normally.
End.
004 - ARE THERE ANY STUCK KEYS OR ANY GRIME IN THE GAP OF KEYCAPS? (YES, READ A HEAD. NO, GO
TO STEP 005.)
Power off the system unit. Carefully remove the grime and solve the stuck key problem.
Go to step 001.
005 - ARE THERE ANY BROKEN PINS IN THE KEYBOA RD PLUG? (YES, GO TO STEP 007. NO, READ AH EA D. )
Try with a known good keyboard.
79
006 - DOES THE ERROR SYMPTOM STILL REMAIN? (YES, READ AHEAD. NO, GO TO STEP 007.)
Replace the system board.
End.
007 -
Replace the keyboard.
End.
Mouse
NOTE: A sticking key button can cause the mouse to operate incorrectly. If you suspect this, go to "Keyboard" on page 78.
001 - START
Make sure that the mouse ball turns freely.
Make sure that the mouse plug connects properly.
002 -
Power off the system unit.
Insert the diagnostics diskette into the diskette drive.
Power on the system unit.
Select
Interactive Tests
menu, then execute
Mouse
test.
003 - DO YOU SEE THE MOUSE CURSOR IN THE DIAGNOSTICS PROGRAM? (YES, READ AHEAD. NO, GO TO
STEP 011)
Test right (left) button and check if right (left) button works.
004 - DOES THE MOUSE BUTTON WORK? (YES, READ AHEAD. NO, GO TO STEP 007)
Test mouse cursor movement.
005 - DOES THE MOUSE MOVE SMOOTHLY AND KEEP X AND Y CO OR DINATES CH ANGED? ( YES, RE AD AHEAD.
NO, GO TO STEP 006)
Mouse is functioning normally.
End.
006 -
Power off the system unit.
Open mouse bottom cover and clean track ball.
Go to step 002.
007
Power off the system unit.
Check the mouse plug.
008 - ARE THERE ANY BROKEN PINS IN THE MOUSE PLUG? (YES, GO TO STEP 010. NO, READ AHEAD.)
Try with a known good mouse.
009 - DO THE ERROR SYMPTOMS STILL REMAIN? (YES, REA D AHEAD. NO, GO TO STEP 010.)
Replace the system board.
End
80
010 -
Replace the mouse.
End.
011 -
Exit diagnostics program.
Make sure that the mouse driver is properly installed.
Go to step 002.
81
Power Supply
001 - START
Power off the system unit.
Check the power cord for continuity. Replace if necessary.
Check for the correct line voltage from the power outlet, and verify that the voltage selector switch is set to the correct
voltage.
Power on the system unit.
002 - DOES THE POWER SUPPLY FAN RUN? (YES, GO TO STEP 003. NO, GO TO STEP 004)
003 - DOES THE SYSTEM FAIL TO SHUT OFF WHEN THE ON/OFF SWITCH IS PRESSED? (YES, READ AHEAD.
NO, GO TO STEP 005)
You might have a damaged on/off switch cable assembly.
Disconnect the on/off switch cable assembly connector from the power supply connector and take an ohm reading.
Go to step 007.
004 -
Disconnect the power cord from the back of the system unit.
Disconnect all power and switch cable connectors from the system board and the power supply.
Disconnect the power connectors to all drives.
Connect the power connector to system board as a power load for driving up power supply.
Reconnect the power cord.
005 - DOES THE POWER SUPPLY FAN RUN? (YES, REA D AHEAD. NO, GO TO STEP 009)
With the system powered on and the power supply fan running, check the voltages of the power supply connectors for
the system board and all drive connectors, as shown in the following figures.
1
11
10
20
Power Supply Connectors (Bottom View)
Hard Drive or CD-ROM End of Power Cable
82
3.5-In. Diskette Drive End of Power Cable
006 - ARE THE VOLTAGES CORRECT AND DOES THE FAN RUN? (YES, READ AHEAD. NO, GO TO STEP 009)
The power supply is working normally.
If you suspect the on/off switch cable assembly, see Step 003.
If the fan continues to run when all connectors are plugged back in, go to “Undetermined Problems” on page 84. If the
fan stops running when a drive connector is plugged back in, go to "Start" on page 55.
007 - DO YOU HAVE AN OHM READING WHEN THE SWITCH IS PRESSED AND AN OPEN READING WHEN THE
SWITCH IS RELEASED? (YES, READ AH EA D. NO, GO TO STEP 008)
Replace the on/off switch cable assembly.
008 -
Replace the system board.
End.
009 -
Replace the power supply.
End.
83
Monitor
First, set the system to VGA mode. To do this in Windows Millennium, press the F8 function key during startup. Safe mode
(VGA) will be set for Windows Millennium. Use the operating system's video setup to change the m onitor resolution.
If the monitor type is set to the power saving mode, the screen remains black and the LED lights or flashes in amber color.
When the monitor is turned on alone, or is turned on and connected to a powered-off system unit, the monitor LED blinks in
amber color. Under the normal operating conditions, the LED lights in green color.
NOTE: Som e monitors have a detachable system I/O signal cable between the monitor and the system unit. Check the
line voltage, power cord, and continuity for the system I/O signal cable before replacing the monitor. See “Monitor
Port Signals” on page 130 for pin identification.
001 - START
Power off the system unit and monitor.
Remove all adapter cards.
Make sure that the monitor I/O signal cable is properly connected to the system unit and monitor.
Make sure that the power cords are properly connected to the system unit and monitor, and that the line voltage is
correct.
Make sure that the monitor contrast and brightness controls are not turned too low.
Make sure that the diagnostics diskette is in the diskette drive.
Power on the monitor, and wait 20 seconds.
Power on the system unit.
NOTE: If the monitor was not sold together with the system unit, you may need to refer to the service information provided
with the monitor.
002 - IS THE SCREEN READABLE? (YES, READ AHEAD. NO, GO TO STEP 004)
NOTE: If the screen shows a blinking cursor with no memory count running, answer this question "No".
Select Interactive Tests from the Main Menu.
Select and execute Video test from the menu.
Follow the prompts and perform the video test.
Go to “Index of Symptoms, Messages, Error Codes, or Beeps” on page 60.
NOTE: You might have to adjust the monitor controls to obtain the best image.
003 - DOES THE MONITOR SUCCESSFULLY PASS ALL TESTS? (YES, READ AHEAD. NO, GO TO STEP 004)
You have successfully completed the video diagnostics tests. If the problem remains, go to “Index of Symptoms,
Messages, Error Codes, or Beeps” on page 60.
End.
004 -
Power off the system unit.
Remove the hard disk drive system cable.
Power on the system unit.
005 - IS THE SCREEN READABLE?
Replace the monitor. If the symptom remains, replace the system board.
End.
84
Undetermined Problems
If an error code is present, go to “Index of Symptoms, Messages, Error Codes, or Beeps” on page 60. If no error code is
present, continue with this check. Check the power supply voltages (see “Power Supply Cable Connector Specifications" on
page 122). If the voltages are correct, return here and continue with the following steps:
1. Power off the system unit.
2. Perform the following checks, one by one, until you have isolated the problem FRU (refer to "Parts/Test Point Locations"
on page 117 for locations):
Load default settings in setup.
Check all system board jumper positions and switch settings.
Check all adapter card jumper positions.
Check all device jumper positions.
Check all cables and connectors for proper installation.
If the jumpers, switch, and voltage settings are correct, return here and continue:
3. Remove or disconnect the following, one at a time:
Non-IBM devices
External devices
Any adapters
Modem card, if installed
CD-ROM drive
Diskette drive
Hard disk drive
DIMM
Processor
System board
4. Power on the system unit.
5. Repeat steps 1 through 4 until you find the failed device or adapter.
6. If software related, reload software from Recovery CD.
If the symptom changes, go to “Index of Symptoms, Messages, Error Codes, or Beeps” on page 60 or to the check
procedure for the last item tested.
Replace the last item tested if the system operates normally after removing the last item.
85
Diagnostic Aids
Diagnostic Aids............... ....................................................................... ........................................................85
Introduction....................................................................................................................................................... 86
Power-On Self Test.......................................................................................................................................... 87
Diagnostics Tools.............................................................................................................................................88
Using Diagnostics Program from Recovery CD ...................................................................................... 88
Diagnostics Program Features................................................................................................................. 89
86
Introduction
This section explains the diagnostic aids, power-on self test (POST) and diagnostics program (PC-Doctor), that are available
for troubleshooting problems on the system.
87
Power-On Self Test
Each time you power-on the system, the power-on self test (POST) is initiated. Several items are tested during POST, but is
for the most part transparent to the user.
POST checks the following:
• System Board • Mouse
• Mem ory • Parallel Port(s)
• SVGA Controller • Serial Port(s)
• Hard Disk Drive(s) • CD-ROM Drive(s)
•
Floppy Diskette Drive(s)
•
Sound Controller
• Keyboard
To start POST, turn on the monitor and then the system unit. The following will happen:
1. The IBM logo will appear on center of the screen.
2. At this time one of two hot-keys may be used. The F1 key, as described on screen, will cause the system Setup Utility
menu to appear. The F9 key will switch the graphical IBM logo screen to the traditional text-based system startup screen,
which displays BIOS version and system memory tested.
3. If an error is detected during POST, the IBM logo screen will automatically switch to the text-based screen and display
the error message or code with a beep. Depending on the criticality of the POST error, the system may halt and/or
display the message “Press F1 to go to the Setup or Enter to continue”.
If this message appears, pressing the Enter key will allow the system to attempt to proceed despite the reported error;
pressing F1 will cause the system Setup Utility menu to appear.
4. If no keyboard keys are pressed, and if POST is completed without errors, the system will then proceed with the loading
of DOS or other operating system from diskette drive A or a hard disk drive or CD-ROM drive, depending on the options
selected in the Setup Utility.
If any errors are detected by POST, there will be an error message accompanied with an error code shown on display
screen and a beep. See “Index of Symptoms, Messages, Error Codes, or Beeps” on page 60 to find the most likely
cause and countermeasure.
88
Diagnostics Tools
IMPORTANT:
This manual is intended to test the IBM Machine Types 2255 and 2275 only. Testing devices, which are not
included with the original product package, including other IBM products, prototype cards, or modifying
hardware settings may give false errors and invalid system responses. The diagnostics not specifically made
for this model may also report incorrect errors and information.
The diagnostics program comes on a CD (compact disc) along with this book. This version of PC-Doctor diagnostics
program, developed by Watergate for IBM, is the primary method of testing the computer. You can use it to test the IBM
components of the system and some external devices. The amount of time required to test components depends on the
number of components installed and selected. The more devices you have attached to your system and selected in PCDoctor, the longer the testing will take.
Using Diagnostics Program from Recovery CD
1. Insert the recovery CD into the CD-ROM drive then restart computer.
2. Press F1 during POST to enter BIOS Setup menu. Select and enter “BIOS Features Setup”, set “Boot Sequence to
CD-ROM, A, C”. Save and exit from BIOS Setup.
3. When screen prompts to install original software, type N to exit the installation program. Then type PCDR and press
Enter to start the diagnostics program. Follow the instructions on the screen to operate the diagnostics program.
89
Diagnostics Program Features
Diagnostics program (PC-Doctor for DOS) includes the following features:
Table 3-1. Diagnostics Program Features
Main Menu Selections Submenu Selections
Diagnostics
• Memory Test
• Hard Disk Test
• Floppy Disk Test
Interactive Tests
• Keyboard
• Video
• Internal Speaker
• Mouse
• Joystick Test
• Diskette
• Printer Test
• SCSI Test
• CD-ROM/DVD Test
• Stereo Speaker
Hardware Info
• USB Port
• System Configuration
• Memory Contents
• IRQ and DMA Use
• Device Drivers
•
COM and LPT Ports
• Physical Disk Drives
• Logical Disk Drives
• VGA Information
• Software Interrupts
•
SCSI Devices
• I/O Use
• IDE Drive Info
• PCI Information
• PNPISA Info
Utility
• Surface Scan Hard Disk
• Tech Support Form
• Select Language
Quit
• Exit Diags
• Park HD
• Reboot
•
Upgrade Now
90
91
Repair Information
Repair Information......................... .. .. .. .. .. .... .. ... .. .. .. .. .. .... .. .. .. .. .. ... .. .... .. .. .. .. .. .. .. ..... .. .. .. .. .. .. . . ...........................91
Removals and Replacements of machine type 2275 ..................................................................................... 92
Identifying the Parts of the System Unit........................................................................................................... 93
Top Cover......................................................................................................................................................... 95
Adapter Cards........................................................................................................................................... 96
Diskette Drive............................................................................................................................................98
CD-ROM Drive.......................................................................................................................................... 99
Hard Disk Drive......................................................................................................................................... 100
System Board ........................................................................................................................................... 101
Power Supply........................................................................................................................................... 102
Memory (DIMM)................................................................................................................................................ 103
Removals and Replacements of machine type 2255 ..................................................................................... 104
Identifying the Parts of the System Unit........................................................................................................... 105
Top Cover......................................................................................................................................................... 107
Adapter Cards........................................................................................................................................... 108
Diskette Drive............................................................................................................................................110
CD-ROM Drive.......................................................................................................................................... 111
Hard Disk Drive......................................................................................................................................... 112
System Board ........................................................................................................................................... 113
Power Supply............................................................................................................................................115
Memory (DIMM)................................................................................................................................................ 116
92
Removals and Replacements of machine type 2275
BEFORE REMOVING ANY FRU, POWE R-OFF THE COMPUTER UN PLU G A LL P OWER CORD S FROM ELECTRICAL
OUTLETS, THEN DISCONNECT ANY INTERCONNECTING CABLES.
ATTENTION: The System board, processors, adapter cards, DIMMs, and upgrade processors can be damaged by
electrostatic discharge. Use an electrostatic discharge (ESD) strap to establish personal grounding. If you don’t have an ESD
strap, establish personal grounding by touching a ground point with one hand before touching the static-sensitive FRUs.
The Arrows in the removals and replacements procedures show the direction of movement to remove a field-replaceable unit
(FRU), to turn a screw, or the direction to press a tab to release the FRU.
Begin all removals by removing the cover (and rear cover, if applicable). W hen other FRUs must be removed prior to
removing the failing FRU, they are listed at the top of the page. Go to the removal procedure for each FRU listed. Remove
the FRU, and then continue with the removal of failing FRU.
To replace a FRU, reverse the removal procedure and follow any notes that pertain to replacement.
Before disconnecting any cables, note their location and orientation. Reinstall any new FRUs with cabling in their original
location.
93
Identifying the Parts of the System Unit
This computer system has 4 bays, 3 of 4 bays have a factory-installed drive. The devices are 3.5” Diskette, optical drive (48X
CD-ROM, 8x4x32x CDRW or 12x40x DVD-ROM drive) and 10GB hard disk (some models may have hard disk of 20, 30, 60
or 80 GB capacity).
Diskette drives in this unit use the standard diskette advanced technology (AT) Interface. Hard disk and CD-ROM drives in
this unit use an integrated drive Electronics (IDE) AT interface. This computer supports the American National Standard
Institute (ANSI) standard for AT attachment disk drives and CD-ROMs.
This system has 3 interface cards slots for adapter card expansion. All of them are Peripheral Component Interconnect (PCI)
interfaces.
All models have a 10/100 Mbps Ethernet port onboard.
94
1. Expansion slots
On the rear panel of the system unit are 3 slot openings for installation of adapter card.
2. System board
3. Hard Disk Drive
This machine has a factory-installed 3.5” (10, 20 or 30 GB) hard disk drive.
4. Power Supply
This is a 155-watt switching power supply.
5. Diskette driv e
This machine has a factory-installed 3.5” 1.44MB Floppy drive.
6. Optional drive bay
This drive can accommodate a 5.25-inch device.
7. Optical drive bay
This machine has a factory-installed 5.25-inch device (CD-ROM or CDRW or DVD-ROM).
95
Top Cover
To remove the top cover of this system unit:
Remove the 3 screws that secure the top cover at the back of the system unit.
Hold both sides of the system unit cover and push it backward about 25 inches.
Lift the top cover up to remove it completely.
Touch the bare metal frame of your system unit to dissipate the static electricity from your body. Do not touch any of the
components inside the frame before you touch the frame. Do not touch any of the components that have a voltagewarning label.
96
Adapter Cards
Installing Adapter Cards
Remove the top cover first.
Remove the slot screw and slot cover for the appropriate expansion slot.
Align and insert the adapter card into the adapter card connector.
Secure the card with the screw to the system chassis.
Reinstall all hardware and screws that you removed prior to the installation of the adapter card.
97
Removing Adapter Cards
Follow these steps to remove an adapter card:
Position the system unit so that the card is accessible to you.
If the adapter card has cables, disconnect them. Be sure to take note of where the cable is connected. You will have to
reconnect these cables when you reinstall the card.
Remove the adapter card screw
Firmly hold the adapter card and carefully pull it from the card connector.
If you are not reinstalling the card, reinstall all other hardware and screws that were removed prior to the removal of the
adapter card.
98
Diskette Drive
To remove the diskette drive:
Remove the screw that secures the power at the back of the system unit.
Pull the latch on the drive mounting tray and the power upward to remove it completely.
Disconnect the power and signal cables from the back of the diskette drive.
Remove the two screws that hold the diskette drive to the mounting tray.
Open the door on the front of the computer.
Pull the diskette drive toward the front of the computer to remove it.
Reverse the procedure to install a new drive.
99
CD-ROM Drive
To remove CD-ROM Drive:
Disconnect the power, sound and signal cables from the CD-ROM.
Remove the two screws that secure the CD-ROM drive
Open the door on the front of the computer.
Slide the CD-ROM drive forward through the front opening and remove it.
Reverse the procedure to install a new drive.
100
Hard Disk Drive
To remove or replace the hard disk drive:
Disconnect the power and signal cables from the diskette drive.
Remove the two screws that secure the mounting tray at the bottom of the system unit.
Pull the drive mounting tray upward and remove it.
Remove the four screws (two on each side) that secure the hard diskette drive to the mounting tray.
Pull the hard disk drive from the mounting tray to remove.
Reverse the procedure to install a drive.
Loading...