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ThinkPad Computer
Hardware Maintenance Manual
July 2005
This manual supports:
ThinkPad T43
(MT 1871/1872/1873/1874/1875/1876)
ThinkPad Dock II (MT 2877)
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Contents
© Lenovo 2005. Portions © IBM Corp. 2005.
iii
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iv MT 1871/1872/1873/1874/1875/1876
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Contents
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vi MT 1871/1872/1873/1874/1875/1876
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About this manual
This manual contains service and reference information for
ThinkPad® T43 series (MT 1871, 1872, 1873, 1874, 1875,
and 1876), and ThinkPad Dock II (MT 2877) products. Use
this manual along with the advanced diagnostic tests to
troubleshoot problems.
The manual is divided into sections as follows:
v
The common sections provide general information,
guidelines, and safety information required in servicing
computers.
v
The product-specific section includes service, reference,
and product-specific parts information.
Important
This manual is intended for trained service
personnel who are familiar with ThinkPad products.
Use this manual along with the advanced diagnostic
tests to troubleshoot problems effectively.
Before servicing a ThinkPad product, be sure to
review the safety information under “Safety notices:
© Lenovo 2005. Portions © IBM Corp. 2005.
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Introduction
Important service information
Important
BIOS and device driver fixes are
customer-installable. The BIOS and device drivers
are posted on the customer support site
Advise customers to contact the Customer Support
Center at 800-426-7378 if they need assistance in
obtaining or installing any diskette fixes.
Customers in Canada should call the Customer
Support Center at 800-565-3344 for assistance or
download information.
Strategy for replacing FRUs
Before replacing parts
Make sure that all diskette fixes are installed before
replacing any FRUs listed in this manual.
Use the following strategy to prevent unnecessary expense
for replacing and servicing FRUs:
v
If you are instructed to replace a FRU but the
replacement does not correct the problem, reinstall
the original FRU before you continue.
v
Some computers have both a processor board and a
system board. If you are instructed to replace either the
processor board or the system board, and replacing one
of them does not correct the problem, reinstall that
board, and then replace the other one.
v
If an adapter or a device consists of more than one
FRU, any of the FRUs may be the cause of the error.
Before replacing the adapter or device, remove the
FRUs, one by one, to see if the symptoms change.
Replace only the FRU that changed the symptoms.
Attention: The setup configuration on the computer you
are servicing may have been customized. Running
Automatic Configuration may alter the settings. Note the
current configuration settings (using the View Configuration
option); then, when service has been completed, verify that
those settings remain in effect.
© Lenovo 2005. Portions © IBM Corp. 2005.
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Important service information
Strategy for replacing a hard disk drive
Always try to run a low-level format before replacing a hard
disk drive.
Attention: The drive startup sequence in the computer
you are servicing may have been changed. Be extremely
careful during write operations such as copying, saving, or
formatting. If you select an incorrect drive, data or
programs can be overwritten.
How to use error messages
Use the error codes displayed on the screen to diagnose
failures. If more than one error code is displayed, begin the
diagnosis with the first error code. Whatever causes the
first error code may also cause false error codes. If no
error code is displayed, see whether the error symptom is
listed in the Symptom-to-FRU Index for the computer you
are servicing.
Strategy for replacing FRUs for CTO,
CMV, and GAV
Product definition
Dynamic Configure To Order (CTO)
This provides the ability for a customer to configure an
IBM® solution from an eSite, and have this configuration
sent to fulfillment, where it is built and shipped directly to
the customer. The machine label, PC Entitlement
Warehouse (PEW), eSupport, and the HMM will load these
products as the 4-digit MT and 3-digit model, where model
= “CTO” (Example: 1829-CTO).
Custom Model Variant (CMV)
This is a unique configuration that has been negotiated
between IBM and the customer. A unique 4-digit MT and
3-digit model is provided to the customer to place orders
(Example: 1829-W15). A CMV is a special bid offering.
Therefore, it is NOT generally announced.
v
The MTM portion of the machine label is the 4-digit MT
and 3-digit model, where model = “CTO” (Example:
1829-CTO). The PRODUCT ID portion of the machine
label is the 4-digit MT and 3-digit CMV model (Example:
1829-W15).
v
v
The PEW record is the 4-digit MT and 3-digit model,
where model = “CTO” (Example: 1829-CTO).
eSupport will show both the CTO and CMV machine
type models (Example: 1829-CTO and 1829-W15 will be
found on the eSupport site.)
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Important service information
v
The HMM will have the 4-digit MT and 3-digit CTO
model only (Example: 1829-CTO). Again, CMVs are
custom models and are not found in the HMM.
General Announce Variant (GAV)
This is a standard model (fixed configuration). GAVs are
announced and offered to all customers. The MTM portion
of the machine label is a 4-digit MT and 3-digit model,
where model = a “fixed part number”, not “CTO” (Example:
1829-F1U). Also, PEW, eSupport, and the HMM will list
these products under the same fixed model number.
FRU identification for CTO, CMV, and
GAV products
There are three information resources to identify which
FRUs are used to support CTO, CMV, and GAV products.
These sources are PEW, eSupport, and the HMM.
Using PEW
v
v
v
PEW is the primary source for identifying FRU part
numbers and FRU descriptions for the key commodities
for CTO, CMV and GAV products at a MT - serial
number level. An example of key commodities are hard
disk drives, system boards, microprocessors, Liquid
Crystal Displays (LCDs), and memory.
Remember, All CTO and CMV products are loaded in
PEW under the 4-digit MT and 3-digit model, where
model = “CTO” (Example: 1829-CTO). GAVs are loaded
in PEW under the 4-digit MT and 3-digit model, where
model = a “fixed part number”, not “CTO” (Example:
1829-F1U).
PEW can be accessed at the following Web site:
Click on MACHINE LOOKUP, followed by WARRANTY
INFORMATION. Input the MT and the Serial number
and the list of key commodities will be returned in the
PEW record under COMPONENT INFORMATION.
v
v
Business Partners using Eclaim will access PEW when
performing Entitlement Lookup. Business Partners will
enter Loc ID, MT and Serial, and the key commodities
will be returned in the Eclaim record under SYSTEM
DETAILS.
Authorized IBM Business Partners can access Eclaim at
the following Web site: https://wca.eclaim.com
Using eSupport
For Key Commodities (Examples - hard disk drive,
system board, microprocessor, LCD, and memory)
Introduction
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Important service information
v
eSupport can be used to view the list of key
commodities built in a particular machine serial (this is
the same record found in PEW).
v
v
eSupport can be accessed at the following Web site:
To view the key commodities, click on PARTS
INFORMATION, then PARTS LOOKUP. Type in the
model type and serial number. The key commodities will
be returned in the eSupport record under PARTS
SHIPPED WITH YOUR SYSTEM.
For the Remaining FRUs (the complete list of FRUs at
the MT Model level)
v
eSupport can be used to view the complete list of FRUs
for a machine type and model.
v
To view the complete list of FRUs, type in the machine
type and model (Example: 1829-CTO) under QUICK
PATH. Under “View by Document Type” select PARTS
INFORMATION. Under “Filter by Category” select
SERVICE PARTS. Under “Parts Information by Date”
select SYSTEM SERVICE PARTS. The list of service
parts by description, with applicable machine type model
and FRU will be displayed.
Using the HMM
Use the HMM as a back-up to PEW and eSupport to view
the complete list of FRUs at the MT Model level.
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Important service information
Important information about replacing
RoHS compliant FRUs
RoHS, The Restriction of Hazardous Substances in
Electrical and Electronic Equipment Directive
(2002/95/EC) is a European Union legal requirement
affecting the global electronics industry. RoHS
requirements must be implemented on Lenovo
products placed on the market after June 2006.
Products on the market before June 2006 are not
required to have RoHS compliant parts. So, if the
original FRU parts are non compliant, replacement
parts can also be non compliant. In all cases if the
original FRU parts are RoHS compliant the
replacement part must also be RoHS compliant.
Lenovo plans to transition to RoHS compliance well before
the implementation date and expects its suppliers to be
ready to support Lenovo's requirements and schedule.
Products sold in 2005, will contain some RoHS compliant
FRUs. The following statement pertains to these products
and any product Lenovo produces containing RoHS
compliant FRUs.
RoHS compliant FRUs have unique FRU part numbers.
Before or after the RoHS implementation date , failed
RoHS compliant parts must always be replaced using
RoHS compliant FRUs, so only the FRUs identified as
compliant in the system HMM or direct substitutions for
those FRUs may be used.
Introduction
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Important service information
Products marketed before
June 2006
Products marketed after June
2006
Current or
original part
Replacement Current or
Replacement
FRU
FRU
original part
Non-RoHS
Can be
Non-RoHS
Must be RoHS Must be RoHS
Non-RoHS
Non-RoHS
Can be RoHS
Can sub to
RoHS
RoHS
Must be RoHS
Note: A direct substitution is a part with a different FRU
part number that is automatically shipped by the
distribution center at the time of the order.
Related web URLs are:
v
IBM Information for Suppliers website:
v
v
RoHS Directive:
California Senate Bills 20, 50:
Diskette compatibility matrix
The compatibility of each of the drives with the diskettes
for it is as follows:
Diskette
drive
Diskette
capacity
Compatibility
3.5-inch
1.0 MB
2.0 MB
4.0 MB
Read and write
Read and write
Not compatible
Safety notices: multilingual translations
In this manual, safety notices appear in English with a
page number reference to the appropriate multilingual,
translated safety notice found in this section.
The following safety notices are provided in English,
French, German, Hebrew, Italian, and Spanish.
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Safety notices
Safety notice 1
Before the computer is powered on after FRU
replacement, make sure all screws, springs, and other
small parts are in place and are not left loose inside
the computer. Verify this by shaking the computer and
listening for rattling sounds. Metallic parts or metal
flakes can cause electrical shorts.
Avant de remettre l’ordinateur sous tension après
remplacement d’une unité en clientèle, vérifiez que
tous les ressorts, vis et autres pièces sont bien en
place et bien fixées. Pour ce faire, secouez l’unité et
assurez-vous qu’aucun bruit suspect ne se produit. Des
pièces métalliques ou des copeaux de métal pourraient
causer un court-circuit.
Bevor nach einem FRU-Austausch der Computer
wieder angeschlossen wird, muß sichergestellt werden,
daß keine Schrauben, Federn oder andere Kleinteile
fehlen oder im Gehäuse vergessen wurden. Der
Computer muß geschüttelt und auf Klappergeräusche
geprüft werden. Metallteile oder-splitter können
Kurzschlüsse erzeugen.
Prima di accendere l’elaboratore dopo che é stata
effettuata la sostituzione di una FRU, accertarsi che
tutte le viti, le molle e tutte le altri parti di piccole
dimensioni siano nella corretta posizione e non siano
sparse all’interno dell’elaboratore. Verificare ciò
scuotendo l’elaboratore e prestando attenzione ad
eventuali rumori; eventuali parti o pezzetti metallici
possono provocare cortocircuiti pericolosi.
Antes de encender el sistema despues de sustituir una
FRU, compruebe que todos los tornillos, muelles y
demás piezas pequeñas se encuentran en su sitio y no
se encuentran sueltas dentro del sistema.
Compruébelo agitando el sistema y escuchando los
posibles ruidos que provocarían. Las piezas metálicas
pueden causar cortocircuitos eléctricos.
Introduction
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Safety notices
Safety notice 2
DANGER
Some standby batteries contain a small amount of
nickel and cadmium. Do not disassemble a standby
battery, recharge it, throw it into fire or water, or
short-circuit it. Dispose of the battery as required
by local ordinances or regulations. Use only the
battery in the appropriate parts listing. Use of an
incorrect battery can result in ignition or explosion
of the battery.
Certaines batteries de secours contiennent du
nickel et du cadmium. Ne les démontez pas, ne les
rechargez pas, ne les exposez ni au feu ni à l’eau.
Ne les mettez pas en court-circuit. Pour les mettre
au rebut, conformez-vous à la réglementation en
vigueur. Lorsque vous remplacez la pile de
sauvegarde ou celle de l’horloge temps réel, veillez
à n’utiliser que les modèles cités dans la liste de
pièces détachées adéquate. Une batterie ou une
pile inappropriée risque de prendre feu ou
d’exploser.
Die Bereitschaftsbatterie, die sich unter dem
Diskettenlaufwerk befindet, kann geringe Mengen
Nickel und Cadmium enthalten. Sie darf nur durch
die Verkaufsstelle oder den IBM Kundendienst
ausgetauscht werden. Sie darf nicht zerlegt,
wiederaufgeladen, kurzgeschlossen, oder Feuer
oder Wasser ausgesetzt werden. Die Batterie kann
schwere Verbrennungen oder Verätzungen
verursachen. Bei der Entsorgung die örtlichen
Bestimmungen für Sondermüll beachten. Beim
Ersetzen der Bereitschafts-oder Systembatterie nur
Batterien des Typs verwenden, der in der
Ersatzteilliste aufgeführt ist. Der Einsatz falscher
Batterien kann zu Entzündung oder Explosion
führen.
(continued)
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Safety notices
(continuation of safety notice 2)
Alcune batterie di riserva contengono una piccola
quantità di nichel e cadmio. Non smontarle,
ricaricarle, gettarle nel fuoco o nell’acqua né
cortocircuitarle. Smaltirle secondo la normativa in
vigore (DPR 915/82, successive disposizioni e
disposizioni locali). Quando si sostituisce la
batteria dell’RTC (real time clock) o la batteria di
supporto, utilizzare soltanto i tipi inseriti
nell’appropriato Catalogo parti. L’impiego di una
batteria non adatta potrebbe determinare l’incendio
o l’esplosione della batteria stessa.
Algunas baterías de reserva contienen una
pequeña cantidad de níquel y cadmio. No las
desmonte, ni recargue, ni las eche al fuego o al
agua ni las cortocircuite. Deséchelas tal como
dispone la normativa local. Utilice sólo baterías que
se encuentren en la lista de piezas. La utilización
de una batería no apropiada puede provocar la
ignición o explosión de la misma.
Introduction 11
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Safety notices
Safety notice 3
DANGER
The battery pack contains small amounts of nickel.
Do not disassemble it, throw it into fire or water, or
short-circuit it. Dispose of the battery pack as
required by local ordinances or regulations. Use
only the battery in the appropriate parts listing
when replacing the battery pack. Use of an
incorrect battery can result in ignition or explosion
of the battery.
La batterie contient du nickel. Ne la démontez pas,
ne l’exposez ni au feu ni à l’eau. Ne la mettez pas
en court-circuit. Pour la mettre au rebut,
conformez-vous à la réglementation en vigueur.
Lorsque vous remplacez la batterie, veillez à
n’utiliser que les modèles cités dans la liste de
pièces détachées adéquate. En effet, une batterie
inappropriée risque de prendre feu ou d’exploser.
Akkus enthalten geringe Mengen von Nickel. Sie
dürfen nicht zerlegt, wiederaufgeladen,
kurzgeschlossen, oder Feuer oder Wasser
ausgesetzt werden. Bei der Entsorgung die
örtlichen Bestimmungen für Sondermüll beachten.
Beim Ersetzen der Batterie nur Batterien des Typs
verwenden, der in der Ersatzteilliste aufgeführt ist.
Der Einsatz falscher Batterien kann zu Entzündung
oder Explosion führen.
(continued)
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Safety notices
(continuation of safety notice 3)
La batteria contiene piccole quantità di nichel. Non
smontarla, gettarla nel fuoco o nell’acqua né
cortocircuitarla. Smaltirla secondo la normativa in
vigore (DPR 915/82, successive disposizioni e
disposizioni locali). Quando si sostituisce la
batteria, utilizzare soltanto i tipi inseriti
nell’appropriato Catalogo parti. L’impiego di una
batteria non adatta potrebbe determinare l’incendio
o l’esplosione della batteria stessa.
Las baterías contienen pequeñas cantidades de
níquel. No las desmonte, ni recargue, ni las eche al
fuego o al agua ni las cortocircuite. Deséchelas tal
como dispone la normativa local. Utilice sólo
baterías que se encuentren en la lista de piezas al
sustituir la batería. La utilización de una batería no
apropiada puede provocar la ignición o explosión
de la misma.
Introduction 13
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Safety notices
Safety notice 4
DANGER
The lithium battery can cause a fire, an explosion,
or a severe burn. Do not recharge it, remove its
polarized connector, disassemble it, heat it above
100°C (212°F), incinerate it, or expose its cell
contents to water. Dispose of the battery as
required by local ordinances or regulations. Use
only the battery in the appropriate parts listing. Use
of an incorrect battery can result in ignition or
explosion of the battery.
La pile de sauvegarde contient du lithium. Elle
présente des risques d’incendie, d’explosion ou de
brûlures graves. Ne la rechargez pas, ne retirez pas
son connecteur polarisé et ne la démontez pas. Ne
l’exposez pas à une temperature supérieure à
100°C, ne la faites pas brûler et n’en exposez pas
le contenu à l’eau. Mettez la pile au rebut
conformément à la réglementation en vigueur. Une
pile inappropriée risque de prendre feu ou
d’exploser.
Die Systembatterie ist eine Lithiumbatterie. Sie
kann sich entzünden, explodieren oder schwere
Verbrennungen hervorrufen. Batterien dieses Typs
dürfen nicht aufgeladen, zerlegt, über 100 C erhitzt
oder verbrannt werden. Auch darf ihr Inhalt nicht
mit Wasser in Verbindung gebracht oder der zur
richtigen Polung angebrachte Verbindungsstecker
entfernt werden. Bei der Entsorgung die örtlichen
Bestimmungen für Sondermüll beachten. Beim
Ersetzen der Batterie nur Batterien des Typs
verwenden, der in der Ersatzteilliste aufgeführt ist.
Der Einsatz falscher Batterien kann zu Entzündung
oder Explosion führen.
(continued)
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Safety notices
(continuation of safety notice 4)
La batteria di supporto e una batteria al litio e puo
incendiarsi, esplodere o procurare gravi ustioni.
Evitare di ricaricarla, smontarne il connettore
polarizzato, smontarla, riscaldarla ad una
temperatura superiore ai 100 gradi centigradi,
incendiarla o gettarla in acqua. Smaltirla secondo
la normativa in vigore (DPR 915/82, successive
disposizioni e disposizioni locali). L’impiego di una
batteria non adatta potrebbe determinare l’incendio
o l’esplosione della batteria stessa.
La batería de repuesto es una batería de litio y
puede provocar incendios, explosiones o
quemaduras graves. No la recargue, ni quite el
conector polarizado, ni la desmonte, ni caliente por
encima de los 100°C (212°F), ni la incinere ni
exponga el contenido de sus celdas al agua.
Deséchela tal como dispone la normativa local.
Introduction 15
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Safety notices
Safety notice 5
If the LCD breaks and the fluid from inside the LCD
gets into your eyes or on your hands, immediately
wash the affected areas with water for at least 15
minutes. Seek medical care if any symptoms from the
fluid are present after washing.
Si le panneau d’affichage à cristaux liquides se brise et
que vous recevez dans les yeux ou sur les mains une
partie du fluide, rincez-les abondamment pendant au
moins quinze minutes. Consultez un médecin si des
symptômes persistent après le lavage.
Die Leuchtstoffröhre im LCD-Bildschirm enthält
Quecksilber. Bei der Entsorgung die örtlichen
Bestimmungen für Sondermüll beachten. Der
LCD-Bildschirm besteht aus Glas und kann zerbrechen,
wenn er unsachgemäß behandelt wird oder der
Computer auf den Boden fällt. Wenn der Bildschirm
beschädigt ist und die darin befindliche Flüssigkeit in
Kontakt mit Haut und Augen gerät, sollten die
betroffenen Stellen mindestens 15 Minuten mit Wasser
abgespült und bei Beschwerden anschließend ein Arzt
aufgesucht werden.
Nel caso che caso l’LCD si dovesse rompere ed il
liquido in esso contenuto entrasse in contatto con gli
occhi o le mani, lavare immediatamente le parti
interessate con acqua corrente per almeno 15 minuti;
poi consultare un medico se i sintomi dovessero
permanere.
Si la LCD se rompe y el fluido de su interior entra en
contacto con sus ojos o sus manos, lave
inmediatamente las áreas afectadas con agua durante
15 minutos como mínimo. Obtenga atención medica si
se presenta algún síntoma del fluido despues de
lavarse.
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Safety notices
Safety notice 6
DANGER
To avoid shock, do not remove the plastic cover
that protects the lower part of the inverter card.
Afin d’éviter tout risque de choc électrique, ne
retirez pas le cache en plastique protégeant la
partie inférieure de la carte d’alimentation.
Aus Sicherheitsgründen die Kunststoffabdeckung,
die den unteren Teil der Spannungswandlerplatine
umgibt, nicht entfernen.
Per evitare scosse elettriche, non rimuovere la
copertura in plastica che avvolge la parte inferiore
della scheda invertitore.
Para evitar descargas, no quite la cubierta de
plástico que rodea la parte baja de la tarjeta
invertida.
Introduction 17
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Safety notices
Safety notice 7
DANGER
Though the main batteries have low voltage, a
shorted or grounded battery can produce enough
current to burn personnel or combustible materials.
Bien que le voltage des batteries principales soit
peu élevé, le court-circuit ou la mise à la masse
d’une batterie peut produire suffisamment de
courant pour brûler des matériaux combustibles ou
causer des brûlures corporelles graves.
Obwohl Hauptbatterien eine niedrige Spannung
haben, können sie doch bei Kurzschluß oder
Erdung genug Strom abgeben, um brennbare
Materialien zu entzünden oder Verletzungen bei
Personen hervorzurufen.
Sebbene le batterie di alimentazione siano a basso
voltaggio, una batteria in corto circuito o a massa
può fornire corrente sufficiente da bruciare
materiali combustibili o provocare ustioni ai tecnici
di manutenzione.
Aunque las baterías principales tienen un voltaje
bajo, una batería cortocircuitada o con contacto a
tierra puede producir la corriente suficiente como
para quemar material combustible o provocar
quemaduras en el personal.
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Safety notices
Safety notice 8
DANGER
Before removing any FRU, power off the computer,
unplug all power cords from electrical outlets,
remove the battery pack, and then disconnect any
interconnecting cables.
Avant de retirer une unité remplaçable en clientèle,
mettez le système hors tension, débranchez tous
les cordons d’alimentation des socles de prise de
courant, retirez la batterie et déconnectez tous les
cordons d’interface.
Die Stromzufuhr muß abgeschaltet, alle Stromkabel
aus der Steckdose gezogen, der Akku entfernt und
alle Verbindungskabel abgenommen sein, bevor
eine FRU entfernt wird.
Prima di rimuovere qualsiasi FRU, spegnere il
sistema, scollegare dalle prese elettriche tutti i cavi
di alimentazione, rimuovere la batteria e poi
scollegare i cavi di interconnessione.
Antes de quitar una FRU, apague el sistema,
desenchufe todos los cables de las tomas de
corriente eléctrica, quite la batería y, a
continuación, desconecte cualquier cable de
conexión entre dispositivos.
Introduction 19
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Safety information
Safety information
The following section presents safety information with
which you need to be familiar before you service a
ThinkPad computer.
General safety
Follow these rules to ensure general safety:
v
v
Observe good housekeeping in the area of the
machines during and after maintenance.
When lifting any heavy object:
1. Make sure that you can stand safely without
slipping.
2. Distribute the weight of the object equally between
your feet.
3. Use a slow lifting force. Never move suddenly or
twist when you attempt to lift.
4. Lift by standing or by pushing up with your leg
muscles; this action removes the strain from the
muscles in your back. Do not attempt to lift any
object that weighs more than 16 kg (35 lb) or that
you think is too heavy for you.
v
v
Do not perform any action that causes hazards to the
customer, or that makes the equipment unsafe.
Before you start the machine, make sure that other
service representatives and the customer’s personnel
are not in a hazardous position.
v
Place removed covers and other parts in a safe place,
away from all personnel, while you are servicing the
machine.
v
v
Keep your toolcase away from walk areas so that other
people will not trip over it.
Do not wear loose clothing that can be trapped in the
moving parts of a machine. Make sure that your sleeves
are fastened or rolled up above your elbows. If your hair
is long, fasten it.
v
v
Insert the ends of your necktie or scarf inside clothing or
fasten it with a nonconductive clip, about 8 centimeters
(3 inches) from the end.
Do not wear jewelry, chains, metal-frame eyeglasses, or
metal fasteners for your clothing.
Attention: Metal objects are good electrical
conductors.
v
Wear safety glasses when you are hammering, drilling,
soldering, cutting wire, attaching springs, using solvents,
or working in any other conditions that might be
hazardous to your eyes.
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Safety information
v
After service, reinstall all safety shields, guards, labels,
and ground wires. Replace any safety device that is
worn or defective.
v
v
Reinstall all covers correctly before returning the
machine to the customer.
Fan louvers on the machine help to prevent overheating
of internal components. Do not obstruct fan louvers or
cover them with labels or stickers.
WARNING
Handling the cord on this product or cords
associated with accessories sold with this product
will expose you to lead, a chemical known to the
State of California to cause cancer, and birth defects
or other reproductive harm. Wash hands after
handling.
Electrical safety
Observe the following rules when working on electrical
equipment.
Important
Use only approved tools and test equipment. Some
hand tools have handles covered with a soft
material that does not insulate you when working
with live electrical currents.
Many customers have, near their equipment, rubber
floor mats that contain small conductive fibers to
decrease electrostatic discharges. Do not use this
type of mat to protect yourself from electrical shock.
v
Find the room emergency power-off (EPO) switch,
disconnecting switch, or electrical outlet. If an electrical
accident occurs, you can then operate the switch or
unplug the power cord quickly.
v
v
Do not work alone under hazardous conditions or near
equipment that has hazardous voltages.
Disconnect all power before:
–
–
–
Performing a mechanical inspection
Working near power supplies
Removing or installing main units
v
v
Before you start to work on the machine, unplug the
power cord. If you cannot unplug it, ask the customer to
power-off the wall box that supplies power to the
machine, and to lock the wall box in the off position.
If you need to work on a machine that has exposed
electrical circuits, observe the following precautions:
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Safety information
–
Ensure that another person, familiar with the
power-off controls, is near you.
Attention: Another person must be there to switch
off the power, if necessary.
–
Use only one hand when working with powered-on
electrical equipment; keep the other hand in your
pocket or behind your back.
Attention: An electrical shock can occur only when
there is a complete circuit. By observing the above
rule, you may prevent a current from passing through
your body.
–
–
When using testers, set the controls correctly and
use the approved probe leads and accessories for
that tester.
Stand on suitable rubber mats (obtained locally, if
necessary) to insulate you from grounds such as
metal floor strips and machine frames.
Observe the special safety precautions when you work
with very high voltages; Instructions for these
precautions are in the safety sections of maintenance
information. Use extreme care when measuring high
voltages.
v
Regularly inspect and maintain your electrical hand tools
for safe operational condition.
v
v
Do not use worn or broken tools and testers.
Never assume that power has been disconnected from
a circuit. First, check that it has been powered off.
v
v
v
Always look carefully for possible hazards in your work
area. Examples of these hazards are moist floors,
nongrounded power extension cables, power surges,
and missing safety grounds.
Do not touch live electrical circuits with the reflective
surface of a plastic dental mirror. The surface is
conductive; such touching can cause personal injury and
machine damage.
Do not service the following parts with the power on
when they are removed from their normal operating
places in a machine:
–
–
–
–
Power supply units
Pumps
Blowers and fans
Motor generators
and similar units. (This practice ensures correct
grounding of the units.)
v
If an electrical accident occurs:
–
–
–
Use caution; do not become a victim yourself.
Switch off power.
Send another person to get medical aid.
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Safety information
Safety inspection guide
The purpose of this inspection guide is to assist you in
identifying potentially unsafe conditions. As each machine
was designed and built, required safety items were
installed to protect users and service personnel from injury.
This guide addresses only those items. You should use
good judgment to identify potential safety hazards due to
attachment of non-ThinkPad features or options not
covered by this inspection guide.
If any unsafe conditions are present, you must determine
how serious the apparent hazard could be and whether
you can continue without first correcting the problem.
Consider these conditions and the safety hazards they
present:
v
Electrical hazards, especially primary power (primary
voltage on the frame can cause serious or fatal
electrical shock)
v
v
Explosive hazards, such as a damaged CRT face or a
bulging capacitor
Mechanical hazards, such as loose or missing hardware
To determine whether there are any potentially unsafe
conditions, use the following checklist at the beginning of
every service task. Begin the checks with the power off,
and the power cord disconnected.
Checklist:
1. Check exterior covers for damage (loose, broken, or
sharp edges).
2. Power off the computer. Disconnect the power cord.
3. Check the power cord for:
a. A third-wire ground connector in good condition.
Use a meter to measure third-wire ground
continuity for 0.1 ohm or less between the external
ground pin and the frame ground.
b. The power cord should be the type specified in the
parts list.
c. Insulation must not be frayed or worn.
4. Remove the cover.
5. Check for any obvious non-ThinkPad alterations. Use
good judgment as to the safety of any non-ThinkPad
alterations.
6. Check inside the unit for any obvious unsafe
conditions, such as metal filings, contamination, water
or other liquids, or signs of fire or smoke damage.
7. Check for worn, frayed, or pinched cables.
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Safety information
8. Check that the power-supply cover fasteners (screws
or rivets) have not been removed or tampered with.
Handling devices that are sensitive to
electrostatic discharge
Any computer part containing transistors or integrated
circuits (ICs) should be considered sensitive to electrostatic
discharge (ESD.) ESD damage can occur when there is a
difference in charge between objects. Protect against ESD
damage by equalizing the charge so that the machine, the
part, the work mat, and the person handling the part are all
at the same charge.
Notes
1. Use product-specific ESD procedures when they
exceed the requirements noted here.
2. Make sure that the ESD protective devices you
use have been certified (ISO 9000) as fully
effective.
When handling ESD-sensitive parts:
v
Keep the parts in protective packages until they are
inserted into the product.
v
v
Avoid contact with other people.
Wear a grounded wrist strap against your skin to
eliminate static on your body.
v
v
v
Prevent the part from touching your clothing. Most
clothing is insulative and retains a charge even when
you are wearing a wrist strap.
Use the black side of a grounded work mat to provide a
static-free work surface. The mat is especially useful
when handling ESD-sensitive devices.
Select a grounding system, such as those listed below,
to provide protection that meets the specific service
requirement.
Note
The use of a grounding system to guard against
ESD damage is desirable but not necessary.
–
–
Attach the ESD ground clip to any frame ground,
ground braid, or green-wire ground.
When working on a double-insulated or
battery-operated system, use an ESD common
ground or reference point. You can use coax or
connector-outside shells on these systems.
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Safety information
–
Use the round ground prong of the ac plug on
ac-operated computers.
Grounding requirements
Electrical grounding of the computer is required for
operator safety and correct system function. Proper
grounding of the electrical outlet can be verified by a
certified electrician.
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Laser compliance statement
Laser compliance statement
Some models of ThinkPad computer are equipped from
the factory with an optical storage device such as a
CD-ROM drive or a DVD-ROM drive. Such devices are
also sold separately as options. If one of these drives is
installed, it 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. Elsewhere, the
drive is certified to conform to the requirements of the
International Electrotechnical Commission (IEC) 825 and
CENELEC EN 60 825 for Class 1 laser products.
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Laser compliance statement
If a CD-ROM drive, a DVD-ROM drive, or another laser
device is installed, note the following:
CAUTION:
Use of controls or adjustments or performance of
procedures other than those specified herein might
result in hazardous radiation exposure.
O uso de controles, ajustes ou desempenho de
procedimentos diferentes daqueles aqui
especificados pode resultar em perigosa exposição
à radiação.
Pour éviter tout risque d’exposition au rayon laser,
respectez les consignes de réglage et d’utilisation
des commandes, ainsi que les procédures décrites.
Werden Steuer- und Einstellelemente anders als
hier festgesetzt verwendet, kann gefährliche
Laserstrahlung auftreten.
L’utilizzo di controlli, regolazioni o l’esecuzione di
procedure diverse da quelle specificate possono
provocare l’esposizione a.
El uso de controles o ajustes o la ejecución de
procedimientos distintos de los aquí especificados
puede provocar la exposición a radiaciones
peligrosas.
Opening the CD-ROM drive, the DVD-ROM drive, or any
other optical storage device could result in exposure to
hazardous laser radiation. There are no serviceable parts
inside those drives. Do not open.
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Laser compliance statement
A CD-ROM drive, a DVD-ROM drive, or any other storage
device installed may contain an embedded Class 3A or
Class 3B laser diode. Note the following:
DANGER
Emits visible and invisible laser radiation when
open. Do not stare into the beam, do not view
directly with optical instruments, and avoid direct
exposure to the beam.
Radiação por raio laser ao abrir. Não olhe fixo no
feixe de luz, não olhe diretamente por meio de
instrumentos óticos e evite exposição direta com o
feixe de luz.
Rayonnement laser si carter ouvert. Évitez de fixer
le faisceau, de le regarder directement avec des
instruments optiques, ou de vous exposer au
rayon.
Laserstrahlung bei geöffnetem Gerät. Nicht direkt
oder über optische Instrumente in den Laserstrahl
sehen und den Strahlungsbereich meiden.
Kinyitáskor lézersugár ! Ne nézzen bele se szabad
szemmel, se optikai eszközökkel. Kerülje a
sugárnyalábbal való érintkezést !.
Aprendo l’unità vengono emesse radiazioni laser.
Non fissare il fascio, non guardarlo direttamente
con strumenti ottici e evitare l’esposizione diretta al
fascio.
Radiación láser al abrir. No mire fijamente ni
examine con instrumental óptico el haz de luz.
Evite la exposición directa al haz.
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General descriptions
The desciptions in this chapter apply to any ThinkPad
model that has the PC-Doctor® for DOS diagnostics
program. Some descriptions might not apply to your
particular computer.
Read this first
Before you go to the checkout guide, be sure to read this
section.
Important notes
v
v
v
v
Only certified trained personnel should
service the computer.
Before replacing any FRU, read the entire
page on removing and replacing FRUs.
When you replace FRUs, use new
nylon-coated screws.
Be extremely careful during such write
operations as copying, saving, or formatting.
Drives in the computer that you are servicing
sequence might have been altered. If you select
an incorrect drive, data or programs might be
overwritten.
v
v
Replace an FRU only with another FRU of the
correct model. When you replace a FRU, make
sure that the model of the machine and the FRU
part number are correct by referring to the FRU
parts list.
A FRU should not be replaced because of a
single, unreproducible failure. Single failures
can occur for a variety of reasons that have
nothing to do with a hardware defect, such as
cosmic radiation, electrostatic discharge, or
software errors. Consider replacing a FRU only
when a problem recurs. If you suspect that a
FRU is defective, clear the error log and run the
test again. If the error does not recur, do not
replace the FRU.
v
Be careful not to replace a nondefective FRU.
What to do first
When you do return a FRU, you must include the following
information in the parts exchange form or parts return form
that you attach to it:
__ 1. Name and phone number of servicer
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__ 2. Date of service
__ 3. Date on which the machine failed
__ 4. Date of purchase
__ 5. Failure symptoms, error codes appearing on the
display, and beep symptoms
__ 6. Procedure index and page number in which the
failing FRU was detected
__ 7. Failing FRU name and part number
__ 8. Machine type, model number, and serial number
__ 9. Customer’s name and address
Note for warranty:
During the warranty period, the customer may be
responsible for repair costs if the computer damage was
caused by misuse, accident, modification, unsuitable
physical or operating environment, or improper
maintenance by the customer. Following is a list of some
common items that are not covered under warranty and
some symptoms that might indicate that the system was
subjected to stress beyond normal use.
Before checking problems with the computer, determine
whether the damage is covered under the warranty by
referring to the following list:
The following are not covered under warranty:
v
LCD panel cracked from the application of excessive
force or from being dropped
v
v
Scratched (cosmetic) parts
Distortion, deformation, or discoloration of the cosmetic
parts
v
Plastic parts, latches, pins, or connectors that have
been cracked or broken by excessive force
Damage caused by liquid spilled into the system
Damage caused by the improper insertion of a PC Card
or the installation of an incompatible card
Diskette drive damage caused by pressure on the
diskette drive cover, foreign material in the drive, or the
insertion of a diskette with multiple labels
Damaged or bent diskette eject button
v
v
v
v
v
v
Fuses blown by attachment of a nonsupported device
Forgotten computer password (making the computer
unusable)
v
Sticky keys caused by spilling a liquid onto the keyboard
The following symptoms might indicate damage
caused by nonwarranted activities:
v
Missing parts might be a symptom of unauthorized
service or modification.
v
If the spindle of a hard disk drive becomes noisy, it may
have been subjected to excessive force, or dropped.
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Related service information
Related service information
This section provides information about the following:
v
v
v
v
Service Web site
When the latest maintenance diskette and the system
program service diskette become available, they will be
posted on http://www.lenovo.com/think/spm
Restoring the pre-installed system
When the hard disk drive is replaced because of a failure,
no Product Recovery program is on the new hard disk. In
this case, you must use the recovery CD for the computer.
Order the recovery CD and the hard disk drive at the same
time so that you can recover the new hard disk drive with
the pre-installed software when they arrive. For information
on which CD to order, see “Recovery CDs” on page 203.
Recovery to Factory Contents by using
Product Recovery CDs
To create the service partition and install the factory
contents from the recovery CD, do the following:
Note
The recovery process might take up to 2 hours.
1. Insert the recovery CD into the CD or DVD drive, then
restart the computer.
2. The following message is displayed: “Your computer
originally included a Product Recovery program ...
Reinstall the Product Recovery program? (Y/N) [ ]”.
3. Press the Y key. The service partition is created and
loaded with the Product Recovery program files.
4. At next window, press Enter to continue.
v
v
v
v
The service partition is created. The system
automatically reboots during this process.
The recovery process copies some files to the
service partition, and PKUNZIPs others.
Follow the prompts. You may be prompted to
change CDs.
When the process is complete, the system reboots.
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5. If you get a message asking which operating system to
install, select the proper operating system and press
Enter.
6. A message is displayed: “Full Recovery:”. Press Enter
to select.
7. On each of the next three windows, press the Y key.
8. Follow the prompts to complete the recovery.
Passwords
As many as three passwords may be needed for any
ThinkPad computer: the power-on password (POP), the
hard-disk password (HDP), and the supervisor password
(SVP).
If any of these passwords has been set, a prompt for it
appears on the screen whenever the computer is turned
on. The computer does not start until the password is
entered.
Exception: If only an SVP is installed, the password
prompt does not appear when the operating
system is booted.
Power-on password:
A power-on password (POP) protects the system from
being powered on by an unauthorized person. The
password must be entered before an operating system can
be booted.
Hard-disk password:
There are two hard-disk passwords (HDPs):
v
v
User HDP—for the user
Master HDP—for the system administrator, who can use
it to get access to the hard disk even if the user has
changed the user HDP
Note: There are two modes for the HDP: User only and
Master + User. The Master + User mode requires
two HDPs; the system administrator enters both in
the same operation. The system administrator then
provides the user HDP to the system user.
Attention: If the user HDP has been forgotten, check
whether a master HDP has been set. If it has, it can be
used for access to the hard disk drive. If no master HDP is
available, neither Lenovo nor Lenovo authorized servicers
provide any services to reset either the user or the master
HDP, or to recover data from the hard disk drive. The hard
disk drive can be replaced for a scheduled fee.
Supervisor password:
A supervisor password (SVP) protects the system
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information stored in the BIOS Setup Utility. The user must
enter the SVP in order to get access to the BIOS Setup
Utility and change the system configuration.
Attention: If the SVP has been forgotten and cannot be
made available to the servicer, there is no service
procedure to reset the password. The system board must
be replaced for a scheduled fee.
How to remove the power-on password
To remove a POP that you have forgotten, do the
following:
(A) If no SVP has been set:
1. Turn off the computer.
2. Remove the battery pack.
For how to remove the battery pack, see “1010 Battery
3. Remove the backup battery.
For how to remove the backup battery, see “1140
4. Turn on the computer and wait until the POST ends.
After the POST ends, the password prompt does not
appear. The POP has been removed.
5. Reinstall the backup battery and the battery pack.
(B) If an SVP has been set and is known by the servicer:
1. Turn on the computer; then, while the “To interrupt
normal startup, press the blue Access IBM button”
message is displayed at the lower-left of the screen,
press the Access IBM button. The Rescue and
Recovery screen opens.
For models supporting the Passphrase function, press
F1 while the POP icon is appearing on the screen;
then enter the POP. For the other models, enter the
POP.
Note: To check whether the ThinkPad computer
supports the Passphrase function, enter the
BIOS Setup Utility and go to Security -->
Password. If the Using Passphrase item is
displayed in the menu, this function is available
on the ThinkPad computer.
2. Click Access BIOS. The system Restart Required
window is displayed.
3. Click Yes. The computer restarts, and the BIOS Setup
Utility screen opens.
4. Select Security, using the cursor directional keys to
move down the menu.
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5. Select Password.
6. Select Power-On Password.
7. Type the current SVP in the Enter Current Password
field. then leave the Enter New Password field blank,
and press Enter twice.
8. In the Changes have been saved window, press Enter.
9. Press F10; then, in the Setup confirmation window,
select Yes .
How to remove the hard-disk password
Attention: If User only mode is selected and the user
HDP has been forgotten and cannot be made available to
the servicer, neither Lenovo nor Lenovo authorized
servicers provide any services to reset the user HDPs or to
recover data from the hard disk drive. The hard disk drive
can be replaced for a scheduled fee.
To remove a user HDP that has been forgotten, when the
SVP and the master HDP are known, do the following:
1. Turn on the computer; then, while the “To interrupt
normal startup, press the blue Access IBM button”
message is displayed at the lower-left of the screen,
press the Access IBM button. The Rescue and
Recovery screen opens.
For models supporting the Passphrase function, press
F1 while HDP icon is appearing on the screen; then
enter the master HDP. For the other models, enter the
master HDP.
Note: To check whether the ThinkPad computer
supports the Passphrase function, enter the
BIOS Setup Utility and go to Security -->
Password. If Using Passphrase item is
displayed in the menu, this function is available
on the ThinkPad computer.
2. Click Access BIOS. The system Restart Required
window is displayed.
3. Click Yes. The computer restarts, and the BIOS Setup
Utility screen opens.
4. Select Security, using the cursor directional keys to
move down the menu.
5. Select Password.
6. Select Hard-disk x password, where x is the letter of
the hard disk drive. A pop-up window opens.
7. Select Master HDP.
8. Type the current master HDP in the Enter Current
Password field. then leave the Enter New Password
field blank, and press Enter twice.
9. Press F10.
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10. Select Yes in the Setup Configuration window.
Both user HDP and master HDP will have been
removed.
Power management
To reduce power consumption, the computer has three
power management modes: screen blank, standby, and
hibernation.
Screen blank mode
Screen blank mode has three variants, as follows:
1. If you press Fn+F3, or if the time set on the “LCD off
timer” in the BIOS Setup Utility expires,
v
v
v
The LCD backlight turns off.
The hard disk drive motor stops.
The speaker is muted.
2. If you are using the ACPI operating system and you
press Fn+F3,
v
The LCD backlight turns off.
The hard disk drive motor stops.
v
3. If the time set on the “Turn off monitor” timer in the
operating system expires,
v
The LCD backlight turns off.
To end screen blank mode and resume normal operation,
press any key.
Standby mode
When the computer enters standby mode, the following
events occur in addition to what occurs in screen blank
mode:
v
v
v
The LCD is powered off.
The hard disk drive is powered off.
The CPU stops.
To enter standby mode, press Fn+F4.
Note: If you are using the ACPI operating system, you can
change the action of Fn+F4.
In certain circumstances, the computer goes into standby
mode automatically:
v
If a “suspend time” has been set on the timer, and the
user does not do any operation with the keyboard, the
TrackPoint®, the hard disk, the parallel connector, or the
diskette drive within that time.
v
If the battery indicator blinks orange, indicating that the
battery power is low. (Alternatively, if Hibernate when
battery becomes low has been selected in the “Power
Management Properties” window, the computer goes
into hibernation mode.)
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Note for the APM operating system:
Even if you do not set the low-battery alarm, the charge
indicator notifies you when the battery is low, and then the
computer enters the power-saving mode automatically.
This default low-battery behavior is independent of the
operating system; so if you have set the low-battery alarm,
the computer may not do what you specified. It chooses
either your setting or the default setting, whichever is
appropriate.
If you are using the ACPI operating system, only the
low-battery alarm is available.
To cause the computer to return from standby mode and
resume operation, do one of the following:
v
v
v
Press the Fn key.
Open the LCD cover.
Turn on the power switch.
Also, in either of the following events, the computer
automatically returns from standby mode and resumes
operation:
v
The ring indicator (RI) is signaled by a serial device or a
PC Card device.
v
The time set on the resume timer elapses.
Note: The computer does not accept any input
immediately after it enters standby mode. Wait a
few seconds before taking any action to reenter
operation mode.
Hibernation mode
Note for OS/2
If you are using OS/2 in the default format, HPFS,
you cannot create a hibernation file. If you want to
use hibernation mode, you will need to reinstall
OS/2 with FAT format.
In hibernation mode, the following occurs:
v
The system status, RAM, VRAM, and setup data are
stored on the hard disk.
v
The system is powered off.
Note: If the computer enters the hibernation mode while it
is docked to the docking station, do not undock it
before resuming normal operation. If you do undock
it and then try to resume normal operation, you will
get an error message, and you will have to restart
the system.
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To cause the computer to enter hibernation mode, do any
of the following:
v
v
Press the Fn+F12 keys.
If you are using the APM operating system and have set
the mode to Power switch mode [Hibernation], turn
off the power switch.
v
If you are using the ACPI operating system and have
defined one of the following actions as the event that
causes the system to go into hibernation mode, perform
that action.
–
–
–
Closing the lid.
Pressing the power button.
Pressing Fn+F4 keys.
Also, the computer goes into hibernation mode
automatically in either of the following conditions:
v
If a “hibernation time” has been set on the timer, and if
the user does not do any operation with the keyboard,
the TrackPoint, the hard disk drive, the parallel
connector, or the diskette drive within that time.
v
v
If the timer conditions are satisfied in suspend mode.
If you are using the APM operating system and have set
the mode to Hibernate when battery becomes low,
and the battery charge becomes critically low.
When the power is turned on, the computer returns from
hibernation mode and resumes operation. The hibernation
file in the boot record on the hard disk drive is read, and
system status is restored from the hard disk drive.
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Checkout guide
Use the following procedures as a guide in identifying and
correcting problems with the ThinkPad computer.
Note: The diagnostic tests are intended to test only
ThinkPad products. The use of non-ThinkPad
products, prototype cards, or modified options can
lead to false indications of errors and invalid system
responses.
1. Identify the failing symptoms in as much detail as
possible.
2. Verify the symptoms. Try to re-create the failure by
running the diagnostic test or by repeating the
operation.
Testing the computer
The ThinkPad computer has a test program called
PC-Doctor for DOS (hereafter called PC-Doctor.) You can
detect errors by running the diagnostics test included in
PC-Doctor. This section is an overview of the procedure.
For details that depend on model-unique functions, refer to
For some possible configurations of the computer,
PC-Doctor might not run correctly. To avoid this problem,
you need to initialize the computer setup by use of the
BIOS Setup Utility before you run PC-Doctor. On the BIOS
Setup Utility screen, press F9, Enter, F10, and then Enter.
Note: When you initialize the computer configuration,
some devices are disabled, such as the serial port.
If you test one of these devices, you will need to
enable it by using Configuration utility for DOS. The
utility is available on the following Web site:
PC-Doctor cannot be used to test a device that is in the
docking station, even if the computer supports the docking
station. To test a USB device, connect it to the USB
connector of the computer.
Creating the PC-Doctor diagnostics diskette
To create the PC-Doctor disk from the Rescue and
Recovery workspace, do as follows:
1. Enter the Rescue and Recovery workspace by
pressing the Access IBM button during POST.
2. When the Rescue and Recovery workspace finishes
loading, click Diagnostic Diskette.
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3. Authenticating the digital signature takes about 15
seconds; then the ThinkPad computer will reboot into
PC-DOS.
4. A batch file automatically starts up to prompt you
through the process of creating diskettes. You are
notified of how many diskettes you will need.
a. You are prompted to insert each diskette in
sequence.
b. Typically, all you need to do is to press the Enter
key for the floppy drive; the system then formats
and creates the diskette.
c. Each diskette is erased and formatted with the
PC-Doctor for DOS boot image.
5. Once all the diskettes have been created, the
ThinkPad computer will reboot. The user is asked to
remove all diskettes from the drive, or to insert the first
diskette created if it is desired to run the diagnostics.
To run the test, do as follows:
Note: In the following procedure, you can select an item
not only with the arrow keys, but also with the
TrackPoint pointer. Instead of pressing Enter, click
the left button.
1. Insert the PC-Doctor disk into the diskette drive; then
power on the computer.
If the computer cannot be powered on, go to “Power
system checkout” on page 42, and check the power
sources.
If an error code appears, go to “Symptom-to-FRU
On the first screen, select the model and press Enter.
Follow the instructions on the screen.
2. The main panel of PC-Doctor appears.
3. Select Diagnostics with the arrow keys, and press
Enter.
A pull-down menu appears. (Its exact form depends on
the model.)
Note: PC-Doctor menu does not mean the formal
support device list. Some unsupported device
names may appear in the PC-Doctor menu.
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Diagnostics
Interactive Tests
Hardware Info
Utility
Quit
F1=Help
Run Normal Test
Run Quick Test
CPU/Coprocessor
Systemboard
Video Adapter
Serial Ports
Parallel Ports
Fixed Disks
Diskette Drives
Other Devices
Communication
Wireless LAN
Memory Test - Full
Memory Test - Quick
PC-DOCTOR 2.0 Copyright 2002 PC-Doctor, Inc. All Rights Reserved.
Use the cursor keys and ESC to move in menus. Press ENTER to select.
The options on the test menu are as follows:
Diagnostics
Interactive Tests
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
Run Normal Test
Run Quick Test
CPU/Coprocessor
Systemboard
Video Adapter
Serial Ports
v
v
v
v
v
v
v
v
Keyboard
Video
Internal Speaker
Mouse
Diskette
System Load
CD-ROM/DVD Test
Intel Wireless Radio
Parallel Ports
Fixed Disks
Diskette Drives
Other Devices
ThinkPad Devices
Communication
Wireless LAN
Memory Test – Full
Memory Test – Quick
Notes:
v
In the Keyboard test in Interactive Tests, the Fn key
should be held down for at least 2 seconds; otherwise,
it cannot be sensed.
v
Video Adapter test supports only the LCD display on
the ThinkPad computer. If you have an external
monitor attached to your computer, detach it before
running PC-Doctor for DOS.
v
When Legacy Floppy Drives is enabled in the BIOS
Setup Utility, the Diskette Drives test is activated even
if no legacy diskette drive is attached to the ThinkPad
computer.
4. Run the applicable function test.
5. Follow the instructions on the screen. If there is a
problem, PC-Doctor shows messages describing it.
6. To exit the test, select Quit — Exit Diag.
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To cancel the test, press Esc.
Note: After running PC-Doctor, check the time and date
on the system and reset them if they are incorrect.
Detecting system information with
PC-Doctor
PC-Doctor can detect the following system information:
Hardware Info
v
v
v
v
v
v
v
v
v
v
v
System Configuration
Memory Contents
Physical Disk Drives
Logical Disk Drives
VGA Information
IDE Drive Info
PCI Information
PNPISA Info
SMBIOS Info
VESA LCD Info
Hardware Events Log
Utility
v
v
v
v
v
v
v
v
v
v
v
Run External Tests
Surface Scan Hard Disk
Benchmark System
DOS Shell
Tech Support Form
Battery Rundown
View Test Log
Print Log
Save Log
Full Erase Hard Drive
Quick Erase Hard Drive
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Checkout guide
Power system checkout
To verify a symptom, do the following:
1. Turn off the computer.
2. Remove the battery pack.
3. Connect the ac adapter.
4. Check that power is supplied when you turn on the
computer.
5. Turn off the computer.
6. Disconnect the ac adapter and install the charged
battery pack.
7. Check that the battery pack supplies power when you
turn on the computer.
If you suspect a power problem, see the appropriate one
of the following power supply checkouts:
v
v
v
v
Checking the ac adapter
You are here because the computer fails only when the ac
adapter is used.
v
If the power problem occurs only when the port
replicator is used, replace the port replicator.
v
If the power-on indicator does not turn on, check the
power cord of the ac adapter for correct continuity and
installation.
v
If the computer does not charge during operation, go to
″Checking operational charging.″
To check the ac adapter, do the following:
1. Unplug the ac adapter cable from the computer.
2. Measure the output voltage at the plug of the ac
adapter cable. See the following figure:
Pin
1
Voltage (V dc)
+15.5 to +17.0
Ground
2
2
1
(16 - 10 V)
3. If the voltage is not correct, replace the ac adapter.
4. If the voltage is acceptable, do the following:
v
Replace the system board.
If the problem persists, go to “Product overview” on
v
Note: Noise from the ac adapter does not always indicate
a defect.
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Checking operational charging
To check whether the battery charges properly during
operation, use a discharged battery pack or a battery pack
that has less than 50% of the total power remaining when
installed in the computer.
Perform operational charging. If the battery status indicator
or icon does not turn on, remove the battery pack and let it
return to room temperature. Reinstall the battery pack. If
the charge indicator or icon still does not turn on, replace
the battery pack.
If the charge indicator still does not turn on, replace the
system board. Then reinstall the battery pack. If it is still
not charged, go to the next section.
Checking the battery pack
Battery charging does not start until the Power Meter
shows that less than 95% of the total power remains;
under this condition the battery pack can charge to 100%
of its capacity. This protects the battery pack from being
overcharged or from having a shortened life.
To check your battery, move your cursor to the Power
Meter icon in the icon tray of the Windows taskbar and
wait for a moment (but do not click), and the percentage of
battery power remaining is displayed. To get detailed
information about the battery, double-click the Power Meter
icon.
Note: If the battery pack becomes hot, it may not be able
to charge. Remove it from the computer and leave it
at room temperature for a while. After it cools down,
reinstall and recharge it.
To check the battery pack, do the following:
1. Power off the computer.
2. Remove the battery pack and measure the voltage
between battery terminals 1 (+) and 5 (−). See the
following figure:
Terminal Voltage (V dc)
1
5
+ 0 to + 12.6
Ground (−)
1(+)
2
3
4
5(-)
3. If the voltage is less than +11.0 V dc, the battery pack
has been discharged.
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Note: Recharging will take at least 3 hours, even if the
indicator does not turn on.
If the voltage is still less than +11.0 V dc after
recharging, replace the battery.
4. If the voltage is more than +11.0 V dc, measure the
resistance between battery terminals 4 and 5. The
resistance must be 4 to 30 K ꢀ.
If the resistance is not correct, replace the battery
pack. If the resistance is correct, replace the system
board.
Checking the backup battery
Do the following:
1. Power off the computer, and unplug the ac adapter
from it.
2. Turn the computer upside down.
5. Measure the voltage of the backup battery. See the
following figure.
Red (+)
Wire
Voltage (V dc)
Red
+2.5 to +3.2
Black Ground
Black (-)
v
v
v
If the voltage is correct, replace the system board.
If the voltage is not correct, replace the backup battery.
If the backup battery discharges quickly after
replacement, replace the system board.
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Product overview
Product overview
This section presents the following product-unique
information:
v
v
v
v
Specifications
The following table lists the specifications of the ThinkPad
T43 series:
Feature
Description
Processor
v
v
v
Intel® Pentium® M processor 730 (1.6
GHz), 2-MB L2 cache
Intel Pentium M processor 740 (1.73
GHz), 2-MB L2 cache
Intel Pentium M processor 750 (1.86
GHz), 2-MB L2 cache
Bus architecture
v
v
v
v
v
533-MHz PSB
533-MHz DDR2 SDRAM (PC2-4200)
HUB link
PCI bus
LPC bus
Graphic memory
chip
v
Intel 915GM
Display
v
v
v
14.1-inch, 16M colors, XGA (1024 × 768
resolution) TFT color LCD
15.0-inch, 16M colors, XGA (1024 × 768
resolution) TFT color LCD
15.0-inch, 16M colors, SXGA+ (1400 ×
1050 resolution) IPS (in-plane switching)
TFT color LCD
Standard memory
v
v
v
256-MB DDR2-533 SDRAM SO-DIMM
(PC2-4200) card × 1
512-MB DDR2-533 SDRAM SO-DIMM
(PC2-4200) card × 1
1-GB DDR2-533 SDRAM SO-DIMM
(PC2-4200) card × 1
(continued)
ThinkPad T43 Series 47
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Product overview
Feature
Description
Optional memory
v
v
v
256-MB DDR2-533 SDRAM SO-DIMM
(PC2-4200) card × 1
512-MB DDR2-533 SDRAM SO-DIMM
(PC2-4200) card × 1
1-GB DDR2-533 SDRAM SO-DIMM
(PC2-4200) card × 1
(maximum of 2048 MB)
CMOS RAM
v
v
242 bytes
Hard disk drive
30.0 GB, 4200 rpm, 9.5 mm high, IDE
interface
v
v
v
v
v
40.0 GB, 4200 rpm, 9.5 mm high, IDE
interface
40.0 GB, 5400 rpm, 9.5 mm high, IDE
interface
60.0 GB, 5400 rpm, 9.5 mm high, IDE
interface
80.0 GB, 5400 rpm, 9.5 mm high, IDE
interface
60.0 GB, 7200 rpm, 9.5 mm high, IDE
interface
Supported hard disk drives are depend on
the model.
Ultrabay Slim device
(standard)
v
v
v
DVD drive, 9.5 mm high
DVD/CD-RW combo drive, 9.5 mm high
DVD-RAM/RW drive, 9.5 mm high
Fingerprint reader
I/O port
Some models
v
v
v
v
v
v
v
v
v
v
External monitor connector
Stereo headphone jack
Monaural microphone jack
Infrared port
Parallel connector
Docking connector
RJ11 connector
RJ45 connector
TV-out connector (S-Video)
Universal serial bus (USB) connector × 2
(compatible with USB 1.1 and 2.0)
Internal modem
Audio
v
56.6 Kbps
v
v
Built-in stereo speakers
Software control volume
Infrared transfer
v
v
IrDA 1.1
Ethernet (on the
system board)
Gigabit Ethernet
(continued)
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Feature
Description
Mini PCI adapter
v
v
Intel PRO Wireless 2200BG Mini-PCI
Adapter
Intel PRO Wireless 2915ABG Mini-PCI
Adapter
PC Card
/ExpressCard slots
v
ExpressCard (34 module, 54 module) for
upper slot
v
v
PC Card (Type-II) for lower slot
Communication
daughter card
(CDC)
ThinkPad Integrated 56K Modem
(MDC-2)
ThinkPad Integrated Bluetooth IV with
56K Modem (BMDC-3)
v
Touch pad
ThinkLight
Battery
v
UltraNav
Yes
v
v
v
Li-ion battery (6 cells) 4.8 Ah
Li-ion battery (9 cells) 7.2 Ah
Ultrabay Slim Li Polymer battery (3 cells)
(option)
AC adapter
v
72-watt type
Preinstalled
operating system
v
v
Windows XP Professional
Windows XP Home Edition
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Product overview
Indicator
Meaning
Green:
ꢀ1ꢁ Ultrabay
Slim status
An Ultrabay Slim device is installed and in
use.
Blinking green:
An Ultrabay Slim device is in the process
of being detached.
Turn off:
An Ultrabay Slim device is ready to be
attached or detached.
Note: If you are using Windows 2000, the
Ultrabay Slim status indicator does not blink
while an Ultrabay Slim device is being
detached. Instead, a message box pops up
when the process is completed; then the
indicator turns off.
ꢀ2ꢁ Standby
Green:
status
The computer is in standby mode.
Blinking green:
The computer is entering standby mode or
hibernation mode, or is resuming normal
operation.
ꢀ3ꢁ Battery
Green:
status
The battery is in use and has enough
power. The ac adapter has charged the
battery completely.
Blinking green:
The battery is being charged, but still has
enough power to operate. (At regular
intervals, the indicator light turns off briefly.)
Orange:
The battery is being charged, but the
battery power is still low.
Blinking orange:
The battery needs to be charged. When
the indicator starts blinking orange, the
computer beeps three times.
ꢀ4ꢁ Power on
Green:
The computer is on and ready to use. This
indicator stays lit whenever the computer is
on and is not in standby mode.
(continued)
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Product overview
Indicator
Meaning
Green:
ꢀ5ꢁ Drive in
use
Data is being read from or written to the
hard disk drive, the diskette drive, or the
drive in the Ultrabay Slim device. When
this indicator is on, do not put the computer
into standby mode or turn off the computer.
Note: Do not move the system while the
green drive-in-use light is on. Sudden physical
shock could cause drive errors.
ꢀ6ꢁ Caps lock
Green:
Caps Lock mode is enabled. To enable or
disable Caps Lock mode, press the Caps
Lock key.
ꢀ7ꢁ Num lock
Green:
The numeric keypad on the keyboard is
enabled. To enable or disable the keypad,
press and hold the Shift key, and press the
NumLk (ScrLk) key.
ꢀ8ꢁ Bluetooth
Green:
status
Bluetooth wireless is operational. This
indicator is on when Bluetooth wireless is
on and not in suspend mode.
R
ꢀ9ꢁ Wireless
Green:
status
The wireless feature (the IEEE 802.11
standard) is on, and the radio link is ready
for use.
Blinking green:
Data is being transmitted.
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Product overview
FRU tests
The following table shows the test for each FRU.
FRU
Applicable test
System board
1. Diagnostics --> CPU/Coprocessor
2. Diagnostics --> Systemboard
3. If the docking station or the port replicator
is attached to the ThinkPad computer,
undock it. Place the computer on a
horizontal surface, and run Diagnostics -->
ThinkPad Devices --> HDD Active
Protection Test.
Note: Do not apply any physical shock to
the computer while the test is running.
Power
Diagnostics --> ThinkPad Devices --> AC
Adapter, Battery 1 (Battery 2)
LCD unit
1. Diagnostics --> Video Adapter
2. Interactive Tests --> Video
Modem
1. Make sure the modem is set up correctly.
2. Replace the modem jack and the modem
card in turn, and run the following tests in
Diagnostics --> Communication:
daughter card
(MDC-2) or
Bluetooth
/Modem
daughter card
(BMDC-3)
a. Conexant Smart Modem Interrupt
b. Conexant Smart Modem Dialtone
Audio
1. Interactive Tests --> Internal Speaker
2. Diagnostics --> Other Devices --> Analog
Devices AC97 CODEC Test
Speaker
Interactive Tests --> Internal Speaker
PC Card slot
1. Diagnostics --> Systemboard --> PCMCIA
2. Insert a PC Card Wrap Plug into every PC
Card slot, and run Diagnostics -->
Systemboard --> PCMCIA External Loop
ExpressCard
slot
1. Insert a PCI-Express/USB Wrap card into
the ExpressCard slot.
2. Turn on the computer.
3. Run Diagnostics --> ThinkPad Devices
--> ExpressCard slot.
Keyboard
1. Diagnostics --> Systemboard -->
Keyboard
2. Interactive Tests --> Keyboard
Hard disk drive Diagnostics --> Fixed Disks
Diskette drive
1. Diagnostics --> Diskette Drives
2. Interactive Tests --> Diskette
DVD drive or
DVD/CD-RW
combo drive
1. Diagnostics --> Other Devices -->
CD-ROM/DVD
2. Interactive Tests --> CD-ROM/DVD Test
(continued)
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Product overview
FRU
Applicable test
Memory
1. If two DIMMs are installed, remove one of
them and run Diagnostics --> Memory
Test—Quick.
2. If the problem does not recur, return the
DIMM to its place, remove the other one,
and run the test again.
3. If the test does not detect the error, run
Diagnostics --> Memory Test—Full.
Fan
1. Turn on the computer and check the air
turbulence at the louver near the PC Card
slot.
2. Run Diagnostics --> ThinkPad Devices
--> Fan.
TrackPoint or
pointing device
If the TrackPoint does not work, check the
configuration as specified in the ThinkPad
Configuration program. If the TrackPoint is
disabled, select Automatic to enable it.
After you use the TrackPoint, the pointer may
drift on the screen for a short time. This drift
can occur when a slight, steady pressure is
applied to the TrackPoint pointer. This symptom
is not a hardware problem. If the pointer stops
after a short time, no service action is
necessary.
If enabling the TrackPoint does not correct the
problem, continue with the following:
v
Interactive Tests --> Mouse
Touch Pad
If the Touch Pad does not work, check the
configuration as specified in the ThinkPad
Configuration program. If the Touch Pad is
disabled, select Automatic to enable it. If
enabling the Touch Pad does not correct the
problem, continue with the following:
v
Interactive Tests --> Mouse
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Product overview
Fn key combinations
The following table shows the function of each combination
of Fn with a function key.
Key
Description
combination
Fn+F1
Fn+F2
Fn+F3
Reserved.
Reserved.
Turn off the computer display, leaving the
screen blank. To turn the computer display on
again, press any key or press the TrackPoint
pointing stick.
Fn+F4
Put the computer in standby mode. To return to
normal operation, press the Fn key only,
without pressing a function key.
Notes:
1. This mode is called suspend mode in
Windows NT.
2. In Windows 2000 and Windows XP, this
combination of keys functions as a sleep
button. The setting can be changed so that
pressing it puts the computer into
hibernation mode or even shuts the
computer down.
Fn+F5
Control the power source of the built-in
Bluetooth wireless device. This combination of
the keys functions as a toggle switch of the
power state.
Note: In Windows 2000 or Windows XP, this
combination of keys enables or disables the
built-in wireless networking features (the IEEE
802.11 standard) and the Bluetooth wireless
features. To use this function, the following
drivers must be installed.
v
v
v
ThinkPad Power Management driver
OnScreen Display utility
Wireless device drivers
Fn+F6
Reserved.
(continued)
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Product overview
Key
Description
combination
Fn+F7
Switch a display output location
v
External monitor (CRT display)
Computer display and external monitor (LCD
+ CRT display)
v
v
Computer display (LCD)
Note: For any operating system other than
Windows 2000 or Windows XP, no additional
procedure is needed; just press Fn+F7.
Notes:
1. This function does not work when different
desktop images are displayed on the
computer display and the external monitor
(the Extend desktop function).
2. This function does not work while a DVD
movie or a video clip is playing.
3. For Windows 2000 or Windows XP, a
hotkey application might take over the
switching function.
Fn+F8
Note: This function is not supported in
Windows 2000 and Windows XP.
If the image displayed on the computer is
smaller than the physical display, switch the
computer screen size between expanded mode
and normal mode.
(continued)
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Key
Description
combination
Fn+F9
Open the ThinkPad EasyEject Utility screen.
Buttons for the following choices are displayed:
v
Eject ThinkPad PC from Dock: This button
is displayed only if the ThinkPad computer
has been attached to a ThinkPad Dock II.
The computer can be detached from the
ThinkPad Dock II.
v
Eject ThinkPad PC from Mini Dock: This
button is displayed only if the ThinkPad
computer has been docked in a ThinkPad
Mini Dock and one or more USB devices
have been connected to the ThinkPad Mini
Dock. You can stop and remove all the USB
devices safely by clicking the button.
Note: If a diskette drive is connected to the
external-diskette-drive connector of the
ThinkPad Mini Dock, you cannot connect a
USB diskette drive.
v
Run EasyEject Actions: This button is used
to select, stop, or remove external devices
connected to the ThinkPad computer.
Configure EasyEject Actions: Opens the
ThinkPad EasyEject Utility main window.
Fn+F9 Settings: Configures the settings for
the Fn+F9 function.
v
v
You can use this utility to stop and remove all
ejectable devices connected to the ThinkPad
computer, the ThinkPad Mini Dock, or the
ThinkPad Port Replicator II. You cannot use it
to detach the computer from the ThinkPad Mini
Dock or the ThinkPad Port Replicator II.
Note: This function is supported only in
Windows 2000 and Windows XP.
Fn+F10
Fn+F11
Fn+F12
Reserved.
Reserved.
Put the computer into hibernation mode. To
return to normal operation, press the power
button for less than four seconds.
Note: To use Fn+F12 for hibernation in
Windows 2000 or Windows XP, you must have
the PM device driver installed on the computer.
Fn+PgUp
Turn the ThinkLight on or off.
Note: This function is supported only on the
ThinkPad computers that have the ThinkLight.
The on or off status of the ThinkLight is shown
on the screen for a few seconds when you
press Fn+PgUp.
Fn+Home
Fn+End
The computer display becomes brighter.
The computer display becomes dimmer.
Enable the FullScreen Magnifier function.
Fn+Spacebar
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Symptom-to-FRU index
Symptom-to-FRU index
The symptom-to-FRU index in this section lists symptoms
and errors and their possible causes. The most likely
cause is listed first, in boldface type.
Note: Do the FRU replacement or other actions in the
sequence shown in the column headed “FRU or
action, in sequence.” If replacing a FRU does not
solve the problem, put the original part back in the
computer. Do not replace a nondefective FRU.
This index can also help you determine, during regular
servicing, what FRUs are likely to need to be replaced
next.
A numeric error is displayed for each error detected in
POST or system operation. In the displays, n can be any
number.
If no numeric code is displayed, check the narrative
descriptions of symptoms. If the symptom is not described
there, go to “Intermittent problems” on page 66.
Note
For a device not supported by diagnostic codes in
the ThinkPad notebook computers, see the manual
for that device.
Numeric error codes
Symptom or error
FRU or action, in sequence
System board.
0175
Bad CRC1, stop POST
task—The EEPROM checksum
is not correct.
0176
1. Run BIOS Setup Utility,
and save the current
setting by pressing F10.
2. System board.
System Security—The system
has been tampered with.
0177
System board.
Bad SVP data, stop POST
task—The checksum of the
supervisor password in the
EEPROM is not correct.
0182
1. Run BIOS Setup Utility.
Press F9, and Enter to
load the default setting.
Then save the current
setting by pressing F10.
2. System board.
Bad CRC2. Enter BIOS Setup
and load Setup defaults.—The
checksum of the CRS2 setting
in the EEPROM is not correct.
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Symptom-to-FRU index
Symptom or error
FRU or action, in sequence
0185
1. Run BIOS Setup Utility.
Press F9, and Enter to
load the default setting.
Then save the current
setting by pressing F10.
Bad startup sequence settings.
Enter BIOS Setup and load
Setup defaults.
0187
System board.
System board.
System board.
EAIA data access error—The
access to EEPROM is failed.
0188
Invalid RFID Serialization
Information Area.
0189
Invalid RFID configuration
information area—The
EEPROM checksum is not
correct.
0190
1. Charge the battery pack.
Critical low-battery error
2. Battery pack.
0191
1. Run BIOS Setup Utility,
and then save current
setting by pressing F10.
2. System board.
System Security—Invalid
Remote Change requested.
0192
System board.
System Security— IBM
Embedded Security hardware
tamper detected.
0199
1. Run BIOS Setup Utility,
and then save the current
setting by pressing F10.
2. System board.
System Security—IBM Security
password retry count exceeded.
01C8
1. Remove either a Mini-PCI
Card or a modem
Two or more modem devices
are found. Remove all but one
of them. Press <Esc> to
continue.
daughter card. Otherwise,
press Esc to ignore the
warning message.
2. System board.
01C9
1. Remove the Ethernet
device that you installed;
or press Esc to ignore the
warning message.
More than one Ethernet devices
are found. Remove one of
them. Press <Esc> to continue.
2. System board.
0200
1. Reseat the hard disk
drive.
2. Load Setup Defaults in
BIOS Setup Utility.
3. Hard disk drive.
4. System board.
Hard disk error—The hard disk
is not working.
021x
Keyboard error.
Run interactive tests of the
keyboard and the auxiliary
input device.
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Symptom-to-FRU index
Symptom or error
FRU or action, in sequence
0220
Load Setup Defaults in BIOS
Setup Utility.
Monitor type error—Monitor
type does not match the one
specified in CMOS.
0230
System board.
Shadow RAM error—Shadow
RAM fails at offset nnnn.
0231
1. DIMM.
System RAM error—System
RAM fails at offset nnnn.
2. System board.
0232
1. DIMM.
Extended RAM error—
Extended RAM fails at offset
nnnn.
2. System board.
0250
Replace the backup battery
and run BIOS Setup Utility to
reset the time and date.
System battery error—System
battery is dead.
0251
Replace the backup battery
and run BIOS Setup Utility to
reset the time and date.
System CMOS checksum
bad— Default configuration
used.
0252
Reset the password by
Password checksum bad—The running BIOS Setup Utility.
password is cleared.
0260
System timer error.
1. Replace the backup
battery and run BIOS
Setup Utility to reset the
time and date.
2. System board.
0270
1. Replace the backup
battery and run BIOS
Setup Utility to reset the
time and date.
Real-time clock error.
2. System board.
0271
Run BIOS Setup Utility to
reset the time and date.
Date and time error—Neither
the date nor the time is set in
the computer.
0280
1. Load “Setup Default” in
BIOS Setup Utility.
2. DIMM.
Previous boot incomplete—
Default configuration used.
3. System board.
02F5
1. DIMM.
DMA test failed.
2. System board.
02F6
1. DIMM.
Software NMI failed
2. System board.
02F7
1. DIMM.
Fail-safe timer NMI failed
2. System board.
1802
1. Remove Mini PCI network
card.
2. System board.
Unauthorized network card is
plugged in—Turn off and
remove the miniPCI network
card.
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Symptom-to-FRU index
Symptom or error
FRU or action, in sequence
1803
1. Remove the daughter
card that you installed.
2. System board.
Unauthorized daughter card is
plugged in—Turn off and
remove the daughter card.
1810
1. If the Access IBM
Predesktop Area has been
previously disabled, then
go to the BIOS Setup
Utility by pressing F1 to
open the BIOS Setup
Utility. Select Security -->
Predesktop Area -->
Hard disk partition layout error.
Access IBM Predesktop
Area. Set this item to
Disabled. Save and exit.
2. If the Access IBM
Predesktop Area has not
been previously disabled,
press Enter to load Access
IBM Predesktop Area. Then
run RECOVER TO
FACTORY CONTENTS in
Access IBM Predesktop
Area.
3. If item 2 failed, press F3 in
the Welcome screen in
RECOVER TO FACTORY
CONTENTS. Run FDISK,
and then delete all
partitions. Run RECOVER
TO FACTORY CONTENTS
in Access IBM Predesktop
Area again.
4. If item 3 failed, select
CD-ROM boot in Startup in
Access IBM Predesktop
Area. Boot from the
Recovery CD and perform
full recovery from it.
5. If item 4 failed, replace the
hard disk drive.
2000
1. Undock docking station or
port replicator if it is
IBM Hard Drive Active
Protection sensor diagnostics
failed.
Press <Esc> to continue.
Press <F1> to enter SETUP
attached to the ThinkPad
computer, and place the
computer on a horizontal
surface. Do not apply any
physical shock to the
computer.
2. Run Diagnostics -->
ThinkPad Devices --> HDD
Active Protection Test.
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Symptom-to-FRU index
Error messages
Symptom or error
FRU or action, in sequence
Device address conflict.
1. Load “Setup Defaults” in
the BIOS Setup Utility.
2. Backup battery.
3. System board.
Allocation error for device.
1. Load “Setup Defaults” in
the BIOS Setup Utility.
2. Backup battery.
3. System board.
Failing bits: nnnn.
1. DIMM.
2. System board.
Invalid system configuration
data.
1. DIMM.
2. System board.
I/O device IRQ conflict.
1. Load “Setup Defaults” in
the BIOS Setup Utility.
2. Backup battery.
3. System board.
Operating system not found.
1. Check that the operating
system has no failure and is
installed correctly.
2. Enter the BIOS Setup
Utility and see whether
the hard disk drive and
the diskette drive are
properly identified.
3. Reseat the hard disk drive.
4. Reinstall the operating
system.
5. Diskette drive.
6. Hard disk drive.
7. System board.
Hibernation error.
1. Restore the system
configuration to what it
was before the computer
entered hibernation mode.
2. If memory size has been
changed, re-create the
hibernation file.
Fan error.
Fan.
Thermal sensing error.
System board.
Authentication of system
The Predesktop Area in the
services failed. Press <Esc> to HDD is corrupted. Restore it
resume. from a recovery CD.
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Symptom-to-FRU index
Symptom or error
FRU or action, in sequence
Cannot boot from any device.
Check the status of device
which you want to boot from.
Device not found.
1. The device you want to
boot from.
2. System board.
Device Error.
1. The device you want to
boot from.
2. System board.
No valid operating system.
1. Check that the operating
system has no failure and is
installed correctly.
2. Reinstall the operation
system.
Excluded from boot order.
v
Enter the BIOS Setup Utility
and add the device in boot
order.
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Symptom-to-FRU index
Beep symptoms
Symptom or error
FRU or action, in sequence
One beep and a blank,
unreadable, or flashing LCD.
1. Reseat the LCD
connector.
2. LCD assembly.
3. External CRT.
4. System board.
One long and two short beeps, 1. System board.
and a blank or unreadable
LCD.
2. LCD assembly.
3. DIMM.
Two short beeps with error
codes.
POST error. See “Numeric
Two short beeps and a blank
screen.
1. System board.
2. DIMM.
Three short beeps, pause,
three more short beeps, and
one short beep.
1. DIMM.
2. System board
One short beep, pause, three
short beeps, pause, three more
short beeps, and one short
beep.
Only the cursor appears.
Reinstall the operating
system.
Four cycles of four short beeps System board (security chip)
and a blank screen.
Five short beeps and a blank
screen.
System board
No-beep symptoms
Symptom or error
FRU or action, in sequence
No beep, power-on indicator
on, LCD blank, and no POST.
1. Make sure that every
connector is connected
tightly and correctly.
2. DIMM.
3. System board.
No beep, power-on indicator
on, and LCD blank during
POST.
1. Reseat DIMM.
2. System board.
The power-on password prompt A power-on password or a
appears.
supervisor password is set.
Type the password and press
Enter.
The hard-disk password prompt A hard-disk password is set.
appears.
Type the password and press
Enter.
The DOS full screen looks
smaller than it should.
Start the ThinkPad
Configuration program and set
the Screen expansion
function.
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Symptom-to-FRU index
LCD-related symptoms
Important
The TFT LCD for the notebook computer contains
many thin-film transistors (TFTs). The presence of a
small number of dots that are missing, discolored, or
always lighted is characteristic of TFT LCD
technology, but excessive pixel problems can cause
viewing concerns. The LCD should be replaced if
the number of missing, discolored, or lighted dots in
any background is:
v
XGA: 8 or more bright dots, 8 or more dark dots,
or a total of 9 or more bright and dark dots.
SXGA+: 11 or more bright dots, 13 or more dark
dots, or a total of 16 or more bright and dark
dots.
v
Note: A bright dot means a pixel is always on
(white or color.) A dark dot means a pixel is
always off (black color.)
Symptom or error
FRU or action, in sequence
No beep, power-on indicator
on, and a blank LCD during
POST.
System board.
v
v
v
LCD backlight not working.
LCD too dark.
LCD brightness cannot be
adjusted.
1. Reseat the LCD
connectors.
2. LCD assembly.
3. System board.
v
LCD contrast cannot be
adjusted.
v
v
v
v
LCD screen unreadable.
Characters missing pixels.
Screen abnormal.
1. See important note for
“LCD-related symptoms.”
2. Reseat all LCD connectors.
3. LCD assembly.
Wrong color displayed.
4. System board.
Horizontal or vertical lines
displayed on LCD.
LCD assembly.
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Symptom-to-FRU index
Intermittent problems
Intermittent system hang problems can be due to a variety
of causes that have nothing to do with a hardware defect,
such as cosmic radiation, electrostatic discharge, or
software errors. FRU replacement should be considered
only when a problem recurs.
When analyzing an intermittent problem, do the following:
1. Run the diagnostic test for the system board in loop
mode at least 10 times.
2. If no error is detected, do not replace any FRUs.
3. If any error is detected, replace the FRU shown by the
FRU code. Rerun the test to verify that no more errors
exist.
Undetermined problems
If the diagnostic tests did not identify the adapter or device
that has failed, if wrong devices are installed, or if the
system simply is not operating, follow these procedures to
isolate the failing FRU (do not isolate FRUs that have no
defects).
Verify that all attached devices are supported by the
computer.
Verify that the power supply being used at the time of the
failure is operating correctly. (See “Power system
1. Turn off the computer.
2. Visually check each FRU for damage. Replace any
damaged FRU.
3. Remove or disconnect all of the following devices:
a. Non-ThinkPad devices
b. Devices attached to the port replicator
c. Printer, mouse, and other external devices
d. Battery pack
e. Hard disk drive
f. External diskette drive
g. DIMM
h. CD-ROM and diskette drive in the Ultrabay
i. PC Cards
4. Turn on the computer.
5. Determine whether the problem has been solved.
6. If the problem does not recur, reconnect the removed
devices one at a time until you find the failing FRU.
7. If the problem remains, replace the following FRUs one
at a time (do not replace a nondefective FRU):
a. System board
b. LCD assembly
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FRU replacement notices
FRU replacement notices
This section contains notices related to removing and
replacing parts. Read this section carefully before replacing
any FRU.
Screw notices
Loose screws can cause a reliability problem. In the
ThinkPad computer, this problem is addressed with special
nylon-coated screws that have the following characteristics:
v
They maintain tight connections.
They do not easily come loose, even with shock or
vibration.
v
v
v
They are harder to tighten.
Each one should be used only once.
Do the following when you service this machine:
v
Keep the screw kit (for the P/N, see “Miscellaneous
parts” on page 205) in your tool bag.
Always use new screws.
v
v
Use a torque screwdriver if you have one.
Tighten screws as follows:
v
Plastic to plastic
Turn an additional 90 degrees after the screw head
touches the surface of the plastic part:
90 degrees more
(Cross-section)
v
Logic card to plastic
Turn an additional 180 degrees after the screw head
touches the surface of the logic card:
180 degrees more
(Cross-section)
v
Torque driver
If you have a torque driver, refer to the “Torque” column
for each step.
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FRU replacement notices
v
Make sure that you use the correct screw. If you have a
torque screwdriver, tighten all screws firmly to the torque
shown in the table. Never use a screw that you
removed. Use a new one. Make sure that all of the
screws are tightened firmly.
Retaining serial numbers
This section includes the following descriptions:
v
v
v
Restoring the serial number of the system
unit
When the computer was manufactured, the EEPROM on
the system board was loaded with the serial numbers of
the system and all major components. These numbers
need to remain the same throughout the life of the
computer.
If you replace the system board, you must restore the
serial number of the system unit to its original value.
Before replacing the system board, save the original serial
number by doing the following:
1. Install the ThinkPad Hardware Maintenance Diskette
Version 1.73 or later, and restart the computer.
2. From the main menu, select 1. Set System
Identification.
3. Select 2. Read S/N data from EEPROM.
The serial number of each device in your computer is
displayed; the serial number of the system unit is listed as
follows:
v
20: Serial number
Write down that number.
Note: The serial number of the system unit is also written
on the label attached to the bottom of the computer.
After you have replaced the system board, restore the
serial number by doing the following:
1. Install the ThinkPad Hardware Maintenance Diskette
Version 1.73 or later and restart the computer.
2. From the main menu, select 1. Set System
Identification.
3. Select 1. Add S/N data from EEPROM.
Follow the instructions on the screen.
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FRU replacement notices
Retaining the UUID
The Universally Unique Identifier (UUID) is a 128-bit
number uniquely assigned to your computer at production
and stored in the EEPROM of your system board. The
algorithm that generates the number is designed to provide
unique IDs until the year A.D. 3400. No two computers in
the world have the same number.
When you replace the system board, you must set the
UUID on the new system board as follows:
1. Install the ThinkPad Hardware Maintenance Diskette
Version 1.73 or later, and restart the computer.
2. From the main menu, select 4. Assign UUID.
A new UUID is created and written. If a valid UUID
already exists, it is not overwritten.
Reading or writing the ECA information
Information on Engineering Change Announcements (ECA)
are stored in the EEPROM of the system board. The
electronic storage of this information simplifies the
procedure to check if the ECA has been previously applied
to a machine. The machine does not need to be
disassembled to check for the ECA application.
To check what ECAs have been previously applied to the
machine, use the ECA Information Read/Write function on
the ThinkPad Hardware Maintenance Diskette Version 1.73
or later.
1. Insert the ThinkPad Hardware Maintenance Diskette
Version 1.73 or later, and restart the computer.
2. From the main menu, select 6. Set ECA Information.
3. To read ECA information, select 2. Read ECA/rework
number from EEPROM and follow the instruction.
4. To read box build date, select 5. Read box build date
from EEPROM, and follow the instruction on the
screen.
After an ECA has been applied to the machine, the
EEPROM must be updated to reflect the ECA's
application. Use the ThinkPad Hardware Maintenance
Diskette Version 1.73 or later to update the EEPROM.
Note: Only the ECA number is stored in the EEPROM.
The machine type of the ECA is assumed be the
same as the machine type of the machine that had
the ECA applied to it.
1. Insert the ThinkPad Hardware Maintenance Diskette
Version 1.73 or later, and restart the computer.
2. From the main menu, select 6. Set ECA Information.
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FRU replacement notices
3. To write ECA information, select 1. Write ECA/rework
number from EEPROM, and follow the instruction.
4. To write box build date, select 4. Write box build date
from EEPROM, and follow the instruction on the
screen.
If the system board is being replaced, try to read the ECA
information from the old system board and transfer the
information to the new system. If the system board is
inoperable, this will not be possible.
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Removing and replacing a FRU
Removing and replacing a FRU
This section presents directions and drawings for use in
removing and replacing a FRU. Be sure to observe the
following general rules:
1. Do not try to service any computer unless you have
been trained and certified. An untrained person runs
the risk of damaging parts.
3. Begin by removing any FRUs that have to be removed
before the failing FRU. Any such FRUs are listed at the
top of the page. Remove them in the order in which
they are listed.
4. Follow the correct sequence in the steps for removing
the FRU, as given in the drawings by the numbers in
square callouts.
5. When turning a screw to replace a FRU, turn it in the
direction as given by the arrow in the drawing.
6. When removing the FRU, move it in the direction as
given by the arrow in the drawing.
7. To put the new FRU in place, reverse the removal
procedure and follow any notes that pertain to
replacement. For information about connecting and
arranging internal cables, see “Locations” on page 180.
8. When replacing a FRU, use the correct screw as
shown in the procedures.
DANGER
Before removing any FRU, turn off the computer,
unplug all power cords from electrical outlets,
remove the battery pack, and then disconnect any
interconnecting cables.
Attention: After replacing a FRU, do not turn on the
computer until you have made sure that all screws,
springs, and other small parts are in place and none are
loose inside the computer. Verify this by shaking the
computer gently and listening for rattling sounds. Metallic
parts or metal flakes can cause electrical short circuits.
Attention: The system board is sensitive to, and can be
damaged by, electrostatic discharge. Before touching it,
establish personal grounding by touching a ground point
with one hand or by using an electrostatic discharge (ESD)
strap (P/N 6405959).
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1010 Battery pack (14.1-in. LCD models)
DANGER
Use only the battery specified in the parts list for
your computer. Any other battery could ignite or
explode.
1
(continued)
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Holding the battery release lever in the unlocked position
ꢀ2ꢁ, remove the battery pack ꢀ3ꢁ.
2
3
When installing: Install the battery pack along the slide
rails on the left and right sides of the
battery-pack slot. Then make sure that
both battery latches, ꢀaꢁ and ꢀbꢁ, are
locked, as in the following figure.
b
a
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1020 Battery pack (15.0-in. LCD models)
DANGER
Use only the battery specified in the parts list for
your computer. Any other battery could ignite or
explode.
Holding the battery release lever in the unlocked position
ꢀ1ꢁ, remove the battery pack ꢀ2ꢁ.
1
2
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Removing and replacing a FRU
1030 Ultrabay Slim device
Note
Ultrabay Slim does not accept any of the following
devices:
v
Ultrabay Plus devices
Ultrabay 2000 devices
v
For devices compatible with the Ultrabay Slim bay,
Note: When you release the switch in step ꢀ1ꢁ, the lever
pops out. In step ꢀ2ꢁ, pull the lever a little to
release the device from the bay.
1
2
3
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Removing and replacing a FRU
1040 Hard disk drive
Attention
v
Do not drop the hard disk drive or apply any
physical shock to it. The hard disk drive is
sensitive to physical shock. Improper handling
can cause damage and permanent loss of data.
v
v
Before removing the drive, have the user make a
backup copy of all the information on it if
possible.
Never remove the drive while the system is
operating or is in suspend mode.
For access, remove this FRU:
v
v
1
Note: The hard disk is attached to the cover.
Step Screw (quantity)
ꢀ1ꢁ
HDD screw (1) or security screw (1)
Note: Use a 2.5-mm Allen wrench to remove the security screw.
(continued)
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2
3
3
4
When installing: Make sure that the hard-disk connector
is attached firmly.
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3
4
3
When installing: Insert the notched end of the DIMM into
the socket. Press the DIMM firmly, and
pivot it until it snaps into the place.
Make sure that it is firmly fixed in the
slot and does not move easily.
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Removing and replacing a FRU
1060 Keyboard
For access, remove this FRU:
v
v
1
3
1a
Note: Screw ꢀ1aꢁ is only for the models with 14.1-in. LCD.
Other models do not have this screw.
Step Icon
Screw (quantity)
Color
Torque
ꢀ1ꢁ
M2 × 10 mm, flat-head,
nylon-coated (3)
Black
0.245 Nm
(2.5 kgfcm)
3
ꢀ1aꢁ
M2 × 10 mm, flat-head,
nylon-coated (1)
Black
0.245 Nm
(2.5 kgfcm)
(continued)
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Removing and replacing a FRU
Press the part indicated by the arrow ꢀ2ꢁ in the direction of
the arrow. This releases the latches of the keyboard from
the frame, so that the front side of the keyboard pops out.
2
Pull the keyboard a little in the direction of the arrow ꢀ3ꢁ,
and then detach the connector ꢀ4ꢁ.
4
3
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When installing:
1. Attach the connector ꢀ1ꢁ.
1
2. Make sure that the keyboard edges, marked ꢀaꢁ in the
figure, are under the frame.
a
a
a
(continued)
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Removing and replacing a FRU
3. To make sure that the front side of the keyboard is
housed firmly, gently press the keys with your fingers
and try to slide the keyboard towards you.
4. Make sure that all the projections on the front side of
the keyboard ꢀbꢁ are firmly attached under the frame.
b
b
5. Secure the keyboard from the underside of the
computer, using the new screws provided with the
keyboard.
ThinkPad T43 Series 83
Download from Www.Somanuals.com. All Manuals Search And Download.
Removing and replacing a FRU
1070 DIMM (standard)
For access, remove these FRUs in order:
v
v
v
2
1
1
When installing: Insert the notched end of the DIMM into
the socket. Press the DIMM firmly, and
pivot it until it snaps into the place.
Make sure that it is firmly fixed in the
slot and does not move easily.
84 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
1080 Modem daughter card (MDC-2)
For access, remove these FRUs in order:
v
v
v
2
1
1
Step Screw (quantity)
Color
Torque
ꢀ1ꢁ
M2 × 10 mm, flat-head,
nylon-coated (2)
Black
0.245 Nm
(2.5 kgfcm)
In step ꢀ2ꢁ, remove the card by pulling the tab with your
fingers in the direction of the arrow.
(continued)
ThinkPad T43 Series 85
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Removing and replacing a FRU
Turn the card over ꢀ3ꢁ, and detach the modem connector
ꢀ4ꢁ.
3
4
When installing: Make sure that connector ꢀ4ꢁ and the
connector on the underside of the card
are firmly attached.
86 MT 1871/1872/1873/1874/1875/1876
Download from Www.Somanuals.com. All Manuals Search And Download.
Removing and replacing a FRU
1090 Bluetooth/Modem daughter card
(BMDC-3)
For access, remove these FRUs in order:
v
v
v
2
1
1
Step Screw (quantity)
Color
Torque
ꢀ1ꢁ
M2 × 10 mm, flat-head,
nylon-coated (2)
Black
0.245 Nm
(2.5 kgfcm)
In step ꢀ2ꢁ, remove the card by pulling the tab with your
fingers in the direction of the arrow.
(continued)
ThinkPad T43 Series 87
Download from Www.Somanuals.com. All Manuals Search And Download.
Removing and replacing a FRU
Turn the card over ꢀ3ꢁ, and detach the modem connector
ꢀ4ꢁ. Then, unplug the jack by using the removal tool
antenna RF connector (P/N: 08K7159) or pick the
connector with your fingers and gently unplug it in direction
of the arrow ꢀ5ꢁ.
3
5
4
When installing: Make sure that connector ꢀ4ꢁ, the jack
ꢀ5ꢁ, and the connector on the underside
of the card are firmly attached.
88 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
1100 Palm rest or Palm rest with
fingerprint reader (14.1-in. LCD models)
For access, remove these FRUs in order:
v
v
v
Notes
In models with the fingerprint reader, the sensor has
been attached to the palm rest FRU as the child
part. In case of the fingerprint reader has any
defects and needs to be replaced, you need to
replace the palm rest by following the procedures in
this section. The procedures are same both for the
palm rest without the fingerprint reader and for the
palm rest with the fingerprint reader.
(continued)
ThinkPad T43 Series 89
Download from Www.Somanuals.com. All Manuals Search And Download.
Removing and replacing a FRU
3a
3
1
1
1
1
2
Step Icon Screw Screw (quantity)
cap
Color Torque
ꢀ1ꢁ
ꢀ2ꢁ
ꢀ3ꢁ
ꢀ3aꢁ
M2 × 4 mm,
small-head,
nylon-coated (4)
Black
0.245 Nm
(2.5 kgfcm)
1
2
4
4
M2 × 5 mm,
bind-head,
nylon-coated (1)
Silver 0.245 Nm
(2.5 kgfcm)
—
—
M2 × 14 mm,
bind-head,
nylon-coated (2)
Black
Black
0.204 Nm
(2.0 kgfcm)
Special screw (1)
0.204 Nm
(2.0 kgfcm)
(continued)
90 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
For a model with a touch pad, detach the touch pad
connector by pulling the tab with your fingers in the
direction of arrow ꢀ4ꢁ. Then remove the palm rest in the
direction of arrow ꢀ5ꢁ. For other models, skip step ꢀ4ꢁ.
4
5
When installing: On a model with a touch pad, make
sure that connector ꢀ4ꢁ is firmly
attached.
ThinkPad T43 Series 91
Download from Www.Somanuals.com. All Manuals Search And Download.
Removing and replacing a FRU
1110 Keyboard bezel or Keyboard bezel
with fingerprint reader (15.0-in. LCD
models)
For access, remove these FRUs in order:
v
v
v
Note
In models with the fingerprint reader, the sensor has
been attached to the keyboard bezel FRU as the
child part. In case of the fingerprint reader has any
defects and needs to be replaced, you need to
replace the keyboard bezel by following the
procedures in this section. The procedures are
same both for the keyboard bezel without the
fingerprint reader and for the keyboard bezel with
the fingerprint reader.
1
1
1
Step Icon
ꢀ1ꢁ
Screw (quantity)
Color
Torque
M2 × 5 mm, flat-head,
nylon-coated (6)
Black
0.245 Nm
(2.5 kgfcm)
1
(continued)
92 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
2
2
2
2
2
Step Icon
ꢀ2ꢁ
Screw (quantity)
Color
Torque
M2 × 14 mm, bind-head, Black
nylon-coated (6)
0.245 Nm
(2.5 kgfcm)
2
3
4
ThinkPad T43 Series 93
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Removing and replacing a FRU
When installing:
1. Place the keyboard bezel so that the three latches are
fixed in place ꢀ1ꢁ.
1
While inserting the three latches, align the top-left
corner of the keyboard bezel as in figure ꢀaꢁ.
a
(continued)
94 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
2. Press the left edges ꢀ2ꢁ and the front edges ꢀ3ꢁ of the
keyboard bezel until the latches are snapped.
2
2
3
3
3. Attach the touch pad connector ꢀ4ꢁ.
4
(continued)
ThinkPad T43 Series 95
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Removing and replacing a FRU
4. Secure the keyboard bezel from the underside of the
computer with the screws ꢀbꢁ and ꢀcꢁ.
b
b
1
c
c
c
c
2
5. Attach the keyboard.
(continued)
96 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
6. Secure the keyboard bezel from the underside of the
computer with the screw ꢀdꢁ. This screw cannot be
fastened properly without attaching keyboard.
d
2
ThinkPad T43 Series 97
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Removing and replacing a FRU
1120 Mini PCI adapter
For access, remove these FRUs in order:
v
v
v
v
v
v
Unplug the jacks by using the removal tool antenna RF
connector (P/N: 08K7159) or pick the connectors with your
fingers and gently unplug it in direction of the arrow ꢀ1ꢁ
and ꢀ2ꢁ.
1
2
(continued)
98 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
4
3
3
When installing:
1. Plug the gray cable to jack M, and the black cable to
jack A.
2. Insert the notched end of the card into the socket, and
then press the card firmly. Pivot the card until it snaps
into place. Make sure that it is firmly fixed in the slot
and does not move easily.
ThinkPad T43 Series 99
Download from Www.Somanuals.com. All Manuals Search And Download.
Removing and replacing a FRU
1130 Fan assembly
For access, remove these FRUs in order:
v
v
v
v
v
v
1
Step Screw (quantity)
Color
Torque
ꢀ1ꢁ
M2 × 10 mm, flat-head,
nylon-coated (3)
Black
0.245 Nm
(2.5 kgfcm)
(continued)
100 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
Important
In step ꢀ2ꢁ, insert the tip of the tool horizontally
between the fan assembly and the CPU, as
indicated by arrow ꢀaꢁ. Then slightly push the tool
into the gap until the fan assembly comes off. Do
not move the tool upward or downward to remove
the fan assembly between the gap. To do so, the
CPU or the other electrical component may be
damaged.
2
a
(continued)
ThinkPad T43 Series 101
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Removing and replacing a FRU
Important
In step ꢀ2aꢁ and ꢀ2bꢁ, be careful not to damage the
copper plate of the fan assembly. Step ꢀ2aꢁ is for
the fan assembly, long and for the fan assembly,
long M10. Step ꢀ2bꢁ is for the fan assembly, short.
Distortion of the fan assembly may cause a thermal
problem.
2a
2b
(continued)
102 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
3
4
When installing:
v
Before you attach the fan assembly to the computer,
apply thermal grease on the part marked ꢀaꢁ as in the
following figures.
v
Make sure that the connector ꢀ4ꢁ is firmly attached.
a
ThinkPad T43 Series 103
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Removing and replacing a FRU
1140 Backup battery
DANGER
Use only the battery specified in the parts list for
your computer. Any other battery could ignite or
explode.
For access, remove these FRUs in order:
v
v
v
v
v
v
1
(continued)
104 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
2
When installing: Make sure that the battery connector
ꢀ2ꢁ is firmly attached.
ThinkPad T43 Series 105
Download from Www.Somanuals.com. All Manuals Search And Download.
Removing and replacing a FRU
1150 Speaker assembly
For access, remove these FRUs in order:
v
v
v
v
v
v
1a
1b
For 14.1-in. LCD models:
Step Screw (quantity)
Color
Torque
ꢀ1aꢁ M2 × 10 mm, flat-head,
Black
0.245 Nm
(2.5 kgfcm)
nylon-coated (2)
ꢀ1bꢁ
For 15.0-in. LCD models:
Step Screw (quantity)
Color
Torque
ꢀ1aꢁ M2 × 10 mm, bind-head,
Black
0.245 Nm
(2.5 kgfcm)
nylon-coated (1)
ꢀ1bꢁ M2 × 14 mm, flat-head,
Black
0.245 Nm
(2.5 kgfcm)
nylon-coated (1)
(continued)
106 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
In step ꢀ3ꢁ, release the speaker cables from the cable
guide.
2
4
3
When installing: Make sure that the connector ꢀ4ꢁ is
firmly attached. Then route the cable as
in ꢀ3ꢁ.
ThinkPad T43 Series 107
Download from Www.Somanuals.com. All Manuals Search And Download.
Removing and replacing a FRU
1160 Keyboard bezel (14.1-in. LCD
models)
For access, remove these FRUs in order:
v
v
v
v
1
1
Step Screw (quantity)
Color
Torque
ꢀ1ꢁ
M2 × 19 mm, bind-head,
nylon-coated (2)
Black
0.245 Nm
(2.5 kgfcm)
(continued)
108 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
2
a
a
3
b
3
a
Step Screw (quantity)
ꢀ2ꢁ M2 × 4 mm, bind-head,
Color
Torque
Black
0.245 Nm
(2.5 kgfcm)
nylon-coated (1)
In step ꢀ3ꢁ, make sure that all the latches marked ꢀaꢁ are
detached, and then remove the bezel.
When installing: Make sure that all the latches marked
ꢀaꢁ are firmly attached. Attach harness
left (ꢀbꢁ), and then secure the keyboard
bezel with the screws.
ThinkPad T43 Series 109
Download from Www.Somanuals.com. All Manuals Search And Download.
Removing and replacing a FRU
1170 PC Card/ExpressCard slots
(14.1-in. LCD models)
For access, remove these FRUs in order:
v
v
v
v
v
v
1
Step Screw (quantity)
Color
Torque
ꢀ1ꢁ
M2 × 4 mm, bind-head,
nylon-coated (2)
Black
0.204 Nm
(2.0 kgfcm)
(continued)
110 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
2
When installing: Make sure that the connector on the
underside of the PC Card/ExpressCard
slots ꢀ2ꢁ is firmly attached, and then
secure the slots with the screws.
ThinkPad T43 Series 111
Download from Www.Somanuals.com. All Manuals Search And Download.
Removing and replacing a FRU
1180 PC Card/ExpressCard slots
(15.0-in. LCD models)
For access, remove these FRUs in order:
v
v
v
v
v
1
Step Screw (quantity)
Color
Torque
ꢀ1ꢁ
M2 × 5 mm, flat-head,
nylon-coated (2)
Black
0.204 Nm
(2.0 kgfcm)
(continued)
112 MT 1871/1872/1873/1874/1875/1876
Download from Www.Somanuals.com. All Manuals Search And Download.
Removing and replacing a FRU
2
3
Step Screw (quantity)
ꢀ2ꢁ M2 × 4 mm, bind-head,
Color
Torque
Black
0.245 Nm
(2.5 kgfcm)
nylon-coated (1)
4
When installing: Make sure that the connector on the
underside of the PC Card/ExpressCard
slots ꢀ2ꢁ is firmly attached, and then
secure the slots with the screws.
ThinkPad T43 Series 113
Download from Www.Somanuals.com. All Manuals Search And Download.
Removing and replacing a FRU
1190 LCD assembly (14.1-in. LCD
models)
For access, remove these FRUs in order:
v
v
v
v
v
v
v
1
1
1
1
Step Screw (quantity)
Color
Torque
ꢀ1ꢁ
M2.5 × 4.8 mm, bind-head,
nylon-coated (4)
Black
0.392 Nm
(4 kgfcm)
(continued)
114 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
3
2
4
Step Screw (quantity)
Color
Torque
ꢀ2ꢁ
M2 × 14 mm, bind-head,
nylon-coated (1)
Black
0.245 Nm
(2.5 kgfcm)
After removing the screw, remove bracket ꢀ3ꢁ. Then
detach the LCD connector ꢀ4ꢁ.
When installing: Make sure that the bracket ꢀ3ꢁ and the
connector ꢀ4ꢁ are firmly attached, and
then secure them with the screw.
(continued)
ThinkPad T43 Series 115
Download from Www.Somanuals.com. All Manuals Search And Download.
Removing and replacing a FRU
5
Step Screw (quantity)
Color
Torque
ꢀ5ꢁ
M2 × 10 mm, flat-head,
nylon-coated (1)
Black
0.245 Nm
(2.5 kgfcm)
(continued)
116 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
Release the antenna cables from the cable guide ꢀ6ꢁ.
6
6
6
6
6
6
When installing: Make sure that the antenna cables are
correctly routed and securely in place.
(continued)
ThinkPad T43 Series 117
Download from Www.Somanuals.com. All Manuals Search And Download.
Removing and replacing a FRU
7
7
When installing: Make sure that the security keyhole
which is on the left-rear corner of the
base cover and the keyhole of the
bracket inside are aligning firmly.
118 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
1200 LCD assembly (15.0-in. LCD
models)
For access, remove these FRUs in order:
v
v
v
v
v
v
1
1
Step Screw (quantity)
Color
Torque
ꢀ1ꢁ
M2 × 10 mm, flat-head,
nylon-coated (2)
Black
0.245 Nm
(2.5 kgfcm)
(continued)
ThinkPad T43 Series 119
Download from Www.Somanuals.com. All Manuals Search And Download.
Removing and replacing a FRU
2
3
Step Screw (quantity)
Color
Torque
ꢀ2ꢁ
M2 × 12 mm, flat-head,
nylon-coated (1)
Black
0.245 Nm
(2.5 kgfcm)
When installing: Make sure that the connector ꢀ3ꢁ is
firmly attached, and then secure it with
the screw.
(continued)
120 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
4
4
Step Screw (quantity)
Color
Torque
ꢀ4ꢁ
M2 × 10 mm, flat-head,
nylon-coated (3)
Black
0.245 Nm
(2.5 kgfcm)
(continued)
ThinkPad T43 Series 121
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Removing and replacing a FRU
Release the antenna cables from the cable guide ꢀ5ꢁ.
5
5
5
5
5
When installing: Make sure that the antenna cables are
correctly routed and securely in place.
(continued)
122 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
6
6
When installing: Make sure that the security keyhole
which is on the left-rear corner of the
base cover and the keyhole of the
bracket inside are aligning firmly.
ThinkPad T43 Series 123
Download from Www.Somanuals.com. All Manuals Search And Download.
Removing and replacing a FRU
1210 CPU
For access, remove these FRUs in order:
v
v
v
v
v
v
v
v
Rotate the head of the screw in the direction shown by
arrow ꢀ1ꢁ to release the lock; then remove the CPU ꢀ2ꢁ.
1
b
a
2
When installing: Place the CPU on the CPU socket ꢀaꢁ,
and then rotate the head of the screw in
the direction shown by arrow ꢀbꢁ to
secure the CPU.
124 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
1220 Ultrabay Slim guide rail assembly
(14.1-in. LCD models)
For access, remove these FRUs in order:
v
v
v
v
v
v
v
v
2
1
Step Screw (quantity)
Color
Torque
ꢀ1ꢁ
M2 × 14 mm, bind-head,
nylon-coated (1)
Black
0.204 Nm
(2.0 kgfcm)
ꢀ2ꢁ
M2 × 4 mm, bind-head,
nylon-coated (1)
Black
0.204 Nm
(2.0 kgfcm)
(continued)
ThinkPad T43 Series 125
Download from Www.Somanuals.com. All Manuals Search And Download.
Removing and replacing a FRU
3
5
4
3
4
Step Screw (quantity)
Color
Torque
ꢀ3ꢁ
M2 × 10 mm, flat-head,
nylon-coated (3)
Black
0.245 Nm
(2.5 kgfcm)
ꢀ4ꢁ
M2 × 3 mm, small-head,
nylon-coated (3)
Silver
0.245 Nm
(2.5 kgfcm)
In step ꢀ5ꢁ, remove the Ultrabay Slim guide rail assembly
and the hard disk drive guide rail together.
Separate the Ultrabay Slim guide rail assembly ꢀaꢁ and
the hard disk drive guide rail ꢀbꢁ.
a
b
6
6
126 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
1230 Ultrabay Slim guide rail assembly
(15.0-in. LCD models)
For access, remove these FRUs in order:
v
v
v
v
v
1
2
Step Screw (quantity)
Color
Torque
ꢀ1ꢁ
M2 × 5 mm, flat-head,
nylon-coated (2)
Black
0.204 Nm
(2.0 kgfcm)
ꢀ2ꢁ
M2 × 14 mm, bind-head,
nylon-coated (1)
Black
0.204 Nm
(2.0 kgfcm)
(continued)
ThinkPad T43 Series 127
Download from Www.Somanuals.com. All Manuals Search And Download.
Removing and replacing a FRU
3
5
4
3
3
Step Screw (quantity)
Color
Torque
ꢀ3ꢁ
M2 × 10 mm, flat-head,
nylon-coated (5)
Black
0.245 Nm
(2.5 kgfcm)
ꢀ4ꢁ
M2 × 3 mm, small-head,
nylon-coated (2)
Black
0.245 Nm
(2.5 kgfcm)
In step ꢀ5ꢁ, remove the Ultrabay Slim guide rail assembly
and the hard disk drive guide rail together.
(continued)
128 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
Separate the Ultrabay Slim guide rail assembly ꢀaꢁ and
the hard disk drive guide rail ꢀbꢁ.
a
b
6
6
ThinkPad T43 Series 129
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Removing and replacing a FRU
1240 VGA and Ultrabay Slim device
eject button cable
For access, remove these FRUs in order:
v
v
v
v
v
v
v
v
v
v
v
1
2
3
Step Screw (quantity)
ꢀ2ꢁ Hex stud (2)
Color
Torque
Silver
0.392 Nm
(4 kgfcm)
(continued)
130 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
4
6
5
Step Screw (quantity)
ꢀ4ꢁ M2 × 4 mm, bind-head,
Color
Torque
Black
0.245 Nm
(2.5 kgfcm)
nylon-coated (1)
When installing: Make sure that the connector ꢀ1ꢁ is
firmly attached.
ThinkPad T43 Series 131
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Removing and replacing a FRU
Important notice for handling the system board:
The security chip ꢀaꢁ is soldered on the underside of the
system board as in this figure.
a
The accelerometer chip for the HDD Active Protection
System ꢀbꢁ is also soldered on the topside of the system
board.
b
ThinkPad T43 Series 133
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Removing and replacing a FRU
Important
When handling the system board, bear the following
in mind.
v
The system board has an accelerometer, which
can be broken by applying several thousands of
G-forces.
Note: Dropping a system board from a height of
as little as 6 inches so that it falls flat on a
hard bench can subject the accelerometer
to as much as 6,000 G’s of shock.
v
v
Be careful not to drop the system board on a
bench top that has a hard surface, such as metal,
wood, or composite.
If a system board is dropped, you must test it,
using PC-Doctor for DOS, to make sure that the
HDD Active Protection still functions (see below).
Note: If the test shows that HDD Active
Protection is not functioning, be sure to
document the drop in any reject report,
and replace the system board.
v
v
Avoid rough handling of any kind.
At every point in the process, be sure not to drop
or stack the system board.
v
If you put a system board down, be sure to put it
only on a padded surface such as an ESD mat or
conductive corrugated material.
After replacing the system board, run PC-Doctor for
DOS to make sure that HDD Active Protection still
functions. The procedure is as follows:
1. Place the computer on a horizontal surface.
2. Run Diagnostics --> Other Devices --> HDD
Active Protection Test.
Attention: Do not apply physical shock to the
computer while the test is running.
134 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
Before removing the system board, remove the support
structure (ꢀaꢁ) and the cable guide (ꢀbꢁ).
b
2
2
a
3
1
When installing: Make sure that the connectors ꢀ2ꢁ are
firmly attached to the system board.
ThinkPad T43 Series 135
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Removing and replacing a FRU
5
4
Step Screw (quantity)
Color
Torque
ꢀ4ꢁ
M2 × 10 mm, flat-head,
nylon-coated (1)
Black
0.245 Nm
(2.5 kgfcm)
ꢀ5ꢁ
M2.5 × 4 mm, bind-head,
nylon-coated (1)
Black
0.392 Nm
(4 kgfcm)
(continued)
136 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
7
6
d
c
8
Step Screw (quantity)
Color
Torque
ꢀ6ꢁ
M2 × 3 mm, small-head,
Silver
0.245 Nm
nylon-coated (1)
(2.5 kgfcm)
ꢀ7ꢁ
M2 × 10 mm, flat-head,
nylon-coated (1)
Black
0.245 Nm
(2.5 kgfcm)
In step ꢀ8ꢁ, remove the I/O plate bracket (ꢀcꢁ) and the
system board (ꢀdꢁ) together.
(continued)
ThinkPad T43 Series 137
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Removing and replacing a FRU
10
9
11
Step Screw (quantity)
Color
Torque
ꢀ9ꢁ
Hex stud (2)
Silver
0.392 Nm
(4 kgfcm)
ꢀ10ꢁ M2.5 × 3 mm, bind-head,
Gold
0.392 Nm
(4 kgfcm)
nylon-coated (1)
When installing: Attach the system board so that the two
small projections on the base cover fit
into the holes provided, and then secure
the system board with the screw.
138 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
Note for sticking a label kit on the base cover
New base cover FRU is shipped with several kinds
of label kit. When you replace the base cover, you
need to stick a homologation label ꢀaꢁ which has
the same part no. with the label on the old base
cover (defective FRU) on the new base cover.
In some models, you also need to stick one or two
FCC labels ꢀbꢁ. Check the old base cover and if
there is one or two FCC labels on it, find the same
one from the label kit and stick it on the new base
cover.
Stick the labels on the new base cover as shown in
this figure.
b
b
a
ThinkPad T43 Series 139
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Removing and replacing a FRU
Important notice for handling the system board:
The security chip ꢀaꢁ is soldered on the underside of the
system board as in this figure.
a
The accelerometer chip for the HDD Active Protection
System ꢀbꢁ is also soldered on the topside of the system
board.
b
ThinkPad T43 Series 141
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Removing and replacing a FRU
Important
When handling the system board, bear the following
in mind.
v
The system board has an accelerometer, which
can be broken by applying several thousands of
G-forces.
Note: Dropping a system board from a height of
as little as 6 inches so that it falls flat on a
hard bench can subject the accelerometer
to as much as 6,000 G’s of shock.
v
v
Be careful not to drop the system board on a
bench top that has a hard surface, such as metal,
wood, or composite.
If a system board is dropped, you must test it,
using PC-Doctor for DOS, to make sure that the
HDD Active Protection still functions (see below).
Note: If the test shows that HDD Active
Protection is not functioning, be sure to
document the drop in any reject report,
and replace the system board.
v
v
Avoid rough handling of any kind.
At every point in the process, be sure not to drop
or stack the system board.
v
If you put a system board down, be sure to put it
only on a padded surface such as an ESD mat or
conductive corrugated material.
After replacing the system board, run PC-Doctor for
DOS to make sure that HDD Active Protection still
functions. The procedure is as follows:
1. Place the computer on a horizontal surface.
2. Run Diagnostics --> Other Devices --> HDD
Active Protection Test.
Attention: Do not apply physical shock to the
computer while the test is running.
142 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
Remove the support structure ꢀaꢁ and the EMI bracket
ꢀbꢁ.
2
b
3
a
1
Step Screw (quantity)
ꢀ2ꢁ M2 × 10 mm, flat-head,
Color
Torque
Black
0.245 Nm
(2.5 kgfcm)
nylon-coated (1)
(continued)
ThinkPad T43 Series 143
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Removing and replacing a FRU
7
6
c
5
6
4
Step Screw (quantity)
Color
Torque
ꢀ4ꢁ
M2 × 10 mm, flat-head,
nylon-coated (1)
Black
0.245 Nm
(2.5 kgfcm)
ꢀ5ꢁ
M2.5 × 4.8 mm, bind-head,
nylon-coated (1)
Black
0.392 Nm
(4 kgfcm)
Remove two connectors ꢀ6ꢁ and then remove the cable
guide ꢀcꢁ in the direction of arrow ꢀ7ꢁ.
When installing: Make sure that the connectors ꢀ6ꢁ are
firmly attached to the system board.
(continued)
144 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
8
8
e
d
9
Step Screw (quantity)
ꢀ8ꢁ M2 × 4 mm, bind-head,
Color
Torque
Black
0.245 Nm
(2.5 kgfcm)
nylon-coated (3)
In step ꢀ9ꢁ, remove the I/O plate bracket (ꢀdꢁ) and the
system board (ꢀeꢁ) together.
When installing: Attach the system board so that the two
small projections on the base cover fit
into the holes provided, and then secure
the system board with the screw.
(continued)
ThinkPad T43 Series 145
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Removing and replacing a FRU
10
11
f
g
12
13
Step Screw (quantity)
Color
Torque
ꢀ10ꢁ Hex stud (2)
Silver
0.392 Nm
(4 kgfcm)
ꢀ11ꢁ M2.5 × 3 mm, flat-head,
Gold
0.392 Nm
(4 kgfcm)
nylon-coated (1)
Remove the system board ꢀgꢁ from the I/O plate bracket
ꢀfꢁ in the direction of arrow ꢀ12ꢁ. Then remove the
interposer card ꢀ13ꢁ.
When installing: Make sure that the connectors of the
interposer card are firmly attached to the
system board.
146 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
Note for sticking a label kit on the base cover
New base cover FRU is shipped with several kinds
of label kit. When you replace the base cover, you
need to stick a homologation label ꢀaꢁ which has
the same part no. with the label on the old base
cover (defective FRU) on the new base cover.
In some models, you also need to stick one or two
FCC labels ꢀbꢁ. Check the old base cover and if
there is one or two FCC labels on it, find the same
one from the label kit and stick it on the new base
cover.
Stick the labels on the new base cover as shown in
this figure.
b
b
a
ThinkPad T43 Series 147
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Removing and replacing a FRU
2010 LCD front bezel (14.1-in. LCD
models)
For access, remove these FRUs in order:
v
v
v
v
v
v
v
v
1
1
3
2
3
2
3
3
2
3
3
Step Screw Screw (quantity)
cap
Color
Black
Black
Torque
ꢀ1ꢁ
M2 × 3 mm, pan-head,
nylon-coated (2)
0.245 Nm
(2.5 kgfcm)
ꢀ2ꢁ
M2.5 × 4.8 mm,
bind-head, nylon-coated
(3)
0.392 Nm
(4 kgfcm)
ꢀ3ꢁ
M2 × 3 mm, pan-head,
nylon-coated (6)
Black
0.245 Nm
(2.5 kgfcm)
(continued)
148 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
4
5
ThinkPad T43 Series 149
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Removing and replacing a FRU
2020 LCD front bezel (15.0-in. LCD
models)
For access, remove these FRUs in order:
v
v
v
v
v
v
v
1
1
1
1
Step Screw Screw (quantity)
cap
Color
Torque
ꢀ1ꢁ
M2 × 4 mm, bind-head,
nylon-coated (4)
Black
0.245 Nm
(2.5 kgfcm)
(continued)
150 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
3
2
ThinkPad T43 Series 151
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Removing and replacing a FRU
2030 Inverter card (14.1-in. LCD models)
For access, remove these FRUs in order:
v
v
v
v
v
v
v
v
v
2
1
3
4
Step Screw (quantity)
Color
Torque
ꢀ1ꢁ
M2 × 3 mm, small-head,
nylon-coated (1)
Silver
0.245 Nm
(2.5 kgfcm)
When installing: Make sure that connectors ꢀ2ꢁ and ꢀ3ꢁ
are firmly attached.
152 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
Cable routing: When replacing the inverter card, route
the connector cable as in this figure:
ThinkPad T43 Series 153
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Removing and replacing a FRU
2040 Inverter card (15.0-in. LCD models)
For access, remove these FRUs in order:
v
v
v
v
v
v
v
v
1
2
3
When installing: Make sure that connectors ꢀ2ꢁ and ꢀ3ꢁ
are firmly attached.
Cable routing: When replacing the inverter card, route
the connector cable as in this figure:
154 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
2050 Wireless antenna assemblies, LCD
panel, LCD cable assembly, hinges, and
LCD cover (14.1-in. LCD models)
For access, remove these FRUs in order:
v
v
v
v
v
v
v
v
v
v
Note: Step ꢀ1ꢁ to ꢀ5ꢁ are only for the models with the
Bluetooth wireless features. For the other models,
skip step ꢀ1ꢁ to ꢀ5ꢁ.
2
1
(continued)
ThinkPad T43 Series 155
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Removing and replacing a FRU
Peel the tape securing the Bluetooth wireless antenna
assembly ꢀ3ꢁ.
3
5
4
4
Step Screw (quantity)
ꢀ4ꢁ M2 × 2.7 mm, small-head,
Color
Torque
Yellow
0.245 Nm
(2.5 kgfcm)
nylon-coated (2)
(continued)
156 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
In step ꢀ6ꢁ, remove the latch bar as in this figure.
6
Lift the latch bar in the direction of the arrow ꢀ7ꢁ, and then
remove the left latch in the direction of the arrow ꢀ8ꢁ.
8
7
(continued)
ThinkPad T43 Series 157
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Removing and replacing a FRU
9
Step Screw (quantity)
Color
Torque
ꢀ9ꢁ
M2 × 3 mm, small-head,
nylon-coated (1)
Silver
0.245 Nm
(2.5 kgfcm)
(continued)
158 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
Slide the spiral tube binding the antenna cables (ꢀ10aꢁ),
and then release the cables from the cable guide (ꢀ10bꢁ).
Lift the LCD panel in the direction of arrow ꢀ11ꢁ, and
detach the wireless LAN antenna ꢀ12ꢁ and the ThinkLight
ꢀ13ꢁ. Then remove the LCD panel in the direction of arrow
ꢀ14ꢁ.
12
13
14
11
10b
10a
(continued)
ThinkPad T43 Series 159
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Removing and replacing a FRU
Remove the antenna assembly ꢀaꢁ and hinges ꢀbꢁ from
the LCD assembly.
a
15
16
16
17
17
b
16
b
16
Step Screw (quantity)
Color
Silver
Torque
ꢀ16ꢁ M2 × 3 mm, small-head,
0.245 Nm
nylon-coated (4)
(2.5 kgfcm)
Remove two screws ꢀcꢁ, and detach the wireless AUX
antenna cable (ꢀcꢁ) from the right hinge.
20
19
18
c
18
Step Screw (quantity)
Color
Torque
ꢀ18ꢁ M2 × 3 mm, small-head,
Silver
0.245 Nm
(2.5 kgfcm)
nylon-coated (2)
(continued)
160 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
Turn over the LCD panel and strip off the tape ꢀ21ꢁ
securing the FPC (ꢀcꢁ). Then detach the connector ꢀ22ꢁ in
the direction of the arrow.
21
c
22
(continued)
ThinkPad T43 Series 161
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Removing and replacing a FRU
Remove the right latch from the LCD cover.
23
24
162 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
When installing: Follow these steps when you
reassemble the LCD unit.
1. Attach the left latch to the LCD cover.
1
2
(continued)
ThinkPad T43 Series 163
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Removing and replacing a FRU
2. Paste three gaskets only for the models with Bluetooth
wireless features. For the other models, skip this step.
95.5 mm
68.5 mm
41.5 mm
3. Connect the LCD cable assembly to the LCD panel
and secure it with the tape.
4. Attach the wireless LAN antenna cables (MAIN, AUX)
and the hinges to the LCD panel.
5. Attach the LCD panel to the LCD cover.
(continued)
164 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
6. Route the wireless LAN antenna cables as in the
following drawings:
a.
1
2
3
3
(continued)
ThinkPad T43 Series 165
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Removing and replacing a FRU
b.
4
4
c.
5
5
(continued)
166 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
d. Coil the spiral tube round the antenna cables ꢀ6ꢁ.
6
e. Slide the spiral tube in the direction shown by
arrow ꢀ7ꢁ.
7
(continued)
ThinkPad T43 Series 167
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Removing and replacing a FRU
Move the spiral tube until it reaches at the cable guide
of the LCD cover as in this figure. Make sure that the
antenna cable is not pinched by cable clip (ꢀaꢁ).
8
a
7. Secure the LCD panel with the screws.
8. Attach the right latch to the LCD cover.
1
2
168 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
2060 Wireless antenna assemblies, LCD
panel, LCD cable assembly, hinges, and
LCD cover (15.0-in. LCD models)
For access, remove these FRUs in order:
v
v
v
v
v
v
v
v
v
1
1
1
1
1
1
Step Screw (quantity)
Color
Torque
ꢀ1ꢁ
M2 × 4 mm, bind-head,
nylon-coated (7)
Black
0.245 Nm
(2.5 kgfcm)
(continued)
ThinkPad T43 Series 169
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Removing and replacing a FRU
Release the antenna cables ꢀ2ꢁ. At the parts indicated by
arrows ꢀaꢁ, the antenna cables go through the hinges.
When you route the antenna cables, attach the cables
firmly.
a
2
2
2
a
(continued)
170 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
4
5
3
b
6
6
7
b
7
6
6
Step Screw (quantity)
Color
Torque
ꢀ6ꢁ
M2 × 3 mm, bind-head,
nylon-coated (4)
Silver
0.245 Nm
(2.5 kgfcm)
(continued)
ThinkPad T43 Series 171
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Removing and replacing a FRU
Turn over the LCD panel, and detach the connector ꢀ8ꢁ in
the direction of the arrow.
8
When installing: Make sure that the FPC connector is
firmly attached to the LCD panel.
(continued)
172 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
10a
11
12
10b
9
9
d
Note: Step ꢀ9ꢁ is only for the models with the Bluetooth
wireless features. For the other models, skip this
step.
Step Screw (quantity)
ꢀ9ꢁ M2 × 4 mm, bind-head,
Color
Torque
Black
0.245 Nm
(2.5 kgfcm)
nylon-coated (2)
Remove the hinges ꢀ10aꢁ, ꢀ10bꢁ and the wireless LAN
antenna cables ꢀ11ꢁ, ꢀ12ꢁ
(continued)
ThinkPad T43 Series 173
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Removing and replacing a FRU
Cable routing: When you reassemble the LCD unit, do as
follows:
At the left-top corner of the LCD unit, route the antenna
cable as in ꢀaꢁ. Do not route the cable over the bracket.
To do so, the cable might be pinched between the LCD
front bezel and the LCD cover, and the cable or the other
parts might be damaged or might not be installed properly.
At the points shown as V, route the cable as it goes under
the projections as in ꢀbꢁ. At the points shown as ꢁ, push
the cable into the ditch between the LCD cover and the
bracket by using a screwdriver as in ꢀcꢁ.
a
b
b
c
(continued)
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Removing and replacing a FRU
Then route the cables to along the cable guides of the
LCD cover. When you route the cables around the LCD
hinges, do as shown in ꢀcꢁ.
c
c
ThinkPad T43 Series 175
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Removing and replacing a FRU
3020 ThinkPad Dock II top cover
1
1
1
(Rear view)
Step
Screw (quantity)
Torque
ꢀ1ꢁ
M2.5 × 4.8 mm (3)
0.392 Nm
(4 kgfcm)
2
2
2
2
Step
Screw (quantity)
Torque
ꢀ2ꢁ
M2.5 × 4.8 mm (4)
0.392 Nm
(4 kgfcm)
(continued)
ThinkPad T43 Series 177
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Removing and replacing a FRU
3
3
(Bottom view)
Step
Screw (quantity)
Torque
ꢀ3ꢁ
M2.5 × 4.8 mm (6)
0.392 Nm
(4 kgfcm)
(continued)
178 MT 1871/1872/1873/1874/1875/1876
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Removing and replacing a FRU
Make sure that the system lock key ꢀAꢁ is set to the
Unlock position. Release the front latches in step ꢀ4ꢁ, and
then remove the top cover ꢀ5ꢁ. Then detach the connector
cable ꢀ6ꢁ as in the figure.
5
A
4
6
ThinkPad T43 Series 179
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Locations
Locations
Front view
ꢀ1ꢁ
ꢀ2ꢁ
Wireless status indicator
Bluetooth wireless status indicator (for some
models)
ꢀ3ꢁ
ꢀ4ꢁ
ꢀ5ꢁ
ꢀ6ꢁ
System status indicators
Power status indicators
External monitor connector
Ultrabay Slim status indicator
Ultrabay Slim latch
ꢀ7ꢁ
ꢀ8ꢁ
ꢀ9ꢁ
Ultrabay Slim device eject lever
Ultrabay Slim
ꢀ10ꢁ
ꢀ11ꢁ
ꢀ12ꢁ
ꢀ13ꢁ
ꢀ14ꢁ
ꢀ15ꢁ
ꢀ16ꢁ
ꢀ17ꢁ
ꢀ18ꢁ
ꢀ19ꢁ
TrackPoint pointing stick
Fingerprint reader (for some models)
TrackPoint buttons
Touch pad buttons
Touch pad
UltraNav
Access IBM button
Volume control buttons
Power switch
ThinkLight
180 MT 1871/1872/1873/1874/1875/1876
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Locations
19
1
2
18
17
16
3
4
14
13
10
12
15
11
9
8
7
6
5
ThinkPad T43 Series 181
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Locations
Rear view
ꢀ1ꢁ
ꢀ2ꢁ
Power status indicators
Bluetooth wireless status indicator (for some
models)
ꢀ3ꢁ
ꢀ4ꢁ
ꢀ5ꢁ
PC Card/ExpressCard eject buttons
PC Card/ExpressCard slots
Microphone jack
ꢀ6ꢁ
ꢀ7ꢁ
ꢀ8ꢁ
ꢀ9ꢁ
Stereo headphone jack
RJ-45 (Ethernet) connector
RJ-11 (modem) connector
TV-out connector
ꢀ10ꢁ
ꢀ11ꢁ
ꢀ12ꢁ
ꢀ13ꢁ
Universal serial bus (USB) connectors
Security keyhole
Parallel connector
AC power connector
2
1
3
4
5
6
7
8
13
9
12
10
11
182 MT 1871/1872/1873/1874/1875/1876
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Locations
Bottom view
ꢀ1ꢁ
ꢀ2ꢁ
ꢀ3ꢁ
ꢀ4ꢁ
ꢀ5ꢁ
ꢀ6ꢁ
ꢀ7ꢁ
ꢀ8ꢁ
ꢀ9ꢁ
Hard disk drive
Optional DIMM slot
Battery pack
Battery pack lock (only for 14.1-in LCD models)
Docking connector
Battery pack latch
Infrared port
Built-in stereo speakers
LCD latch
3
4
2
5
1
6
9
8
7
ThinkPad T43 Series 183
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Parts list
Parts list
v
Each FRU is available for all types or models, unless
specific types or models are specified.
v
A CRU (customer replaceable unit) is identified by a
single asterisk (*) or two asterisks (**) in the CRU ID
column. An N in the CRU ID column means the part is
not a CRU. A single asterisk (*) means the part is a Tier
1 CRU; two asterisks (**) means the part is a Tier 2
CRU.
v
FRUs marked with ꢀOPꢁ are available as options.
184 MT 1871/1872/1873/1874/1875/1876
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Parts list
No. FRU
P/N
CRU
ID
1
LCD unit (see “14.1-in. LCD FRUs” on page 194
N
N
2a Keyboard bezel assembly (14.1-in.)
91P9540
v
1871-CTO, 11x, 12x, 14x, 18x, 19x,
48x, 4Ax, 4Cx, C1x
1872-CTO, 12x, 4Ax, C1x
1873-4Ax
1874-4Ax
1875-CTO, D1x, D2x, E1x
v
v
v
v
2b Keyboard bezel assembly with touch pad 91P8735
(15.0-in.)
N
v
v
v
1871-CTO, 22x, 23x, 26x, 27x
1875-CTO, D3x, D9x, EAx, ECx
1876-CTO, DBx, EEx
Keyboard bezel assembly with fingerprint 26R8411
reader (15.0-in.)
N
N
N
v
v
1871-CTO, 24x, 25x, 86x, F4x
1875-CTO, DAx, DCx, DMx, EBx,
EDx, F4x
91P8685
91P8394
v
1876-CTO, EFx
3
Ultrabay guide rail assembly (14.1-in.)
v
1871-CTO, 11x, 12x, 14x, 18x, 19x,
48x, 4Ax, 4Cx, C1x
v
v
1872-CTO, 12x, 4Ax, C1x
1875-CTO, D1x, D2x, E1x
Ultrabay guide rail assembly (14.1-in.,
fingerprint reader)
91P8682
N
v
1871-CTO, 13x, 15x, 16x, 17x, 1Gx,
1Hx, 4Bx, F1x
v
v
v
1873-4Ax
1874-4Ax
1875-CTO, D6x, DKx, DLx, E5x, F1x
Ultrabay guide rail assembly (15.0-in.)
13R2920
91P8683
N
N
v
v
v
1871-CTO, 22x, 23x, 26x, 27x
1875-CTO, D3x, D9x, EAx, ECx
1876-CTO, DBx, EEx
Ultrabay guide rail assembly (15.0-in.,
fingerprint reader)
v
v
1871-CTO, 24x, 25x, 86x, F4x
1875-CTO, DAx, DCx, DMx, EBx,
EDx, F4x
v
1876-CTO, EFx
(continued)
186 MT 1871/1872/1873/1874/1875/1876
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Parts list
No. FRU
4 DVD drive 8x ꢀOPꢁ
P/N
CRU
ID
v
v
1871-CTO, 11x, 18x, 48x
1875-CTO, D1x, D3x
HLDS
TEAC
92P6579
92P5991
*
*
DVD/CD-RW combo drive ꢀOPꢁ
v
1871-CTO, 12x, 13x, 15x, 16x, 19x, 1Gx, 22x, 23x, 24x,
25x, 27x, 4Ax, 4Bx, 4Cx, 86x, C1x, F1x, F4x
v
v
v
v
1872-CTO, 12x, 4Ax, C1x
1873-4Ax
1874-4Ax
1875-CTO, D2x, D6x, D9x, DAx, DCx, DKx, DLx, DMx,
F1x, F4x
v
1876-CTO, DBx
PCC
39T2505
13N6769
39T2507
*
*
*
HLDS
DVD-RAM/RW drive (PCC) ꢀOPꢁ
1871-CTO, 14x, 17x, 1Hx
v
Travel cover
13N5108
*
v
v
1875-CTO, xxE, xxJ, xxU
1876-CTO, xxE, xxJ, xxU
For optional Ultrabay devices, see “Optional FRUs” on page
5
Hard disk drive, 30 GB, 9.5 mm, 4,200 rpm
v
Supported by CTO
Fujitsu
13N6903
13N6883
*
*
HGST
Hard disk drive, 40 GB, 9.5 mm, 4,200 rpm
v
Supported by CTO
Fujitsu
13N6885
13N6905
*
*
HGST
Hard disk drive, 40 GB, 9.5 mm, 5,400 rpm
v
1871-CTO, 11x, 12x, 13x, 14x, 15x, 16x, 17x, 18x, 1Gx,
1Hx, 22x, 23x, 24x, 48x, 4Ax, 4Bx, 4Cx, 86x, C1x, F1x,
F4x
v
v
v
v
1872-CTO, 12x, 4Ax, C1x
1873-4Ax
1874-4Ax
1875-CTO, D1x, D2x, D3x, D6x, D9x, DAx, DCx, DKx,
F1x, F4x
v
1876-CTO, DBx
Fujitsu
HGST
13N6913
39T2521
13N6919
*
*
*
Toshiba
(continued)
ThinkPad T43 Series 187
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Parts list
No. FRU
P/N
CRU
ID
5
Hard disk drive, 60 GB, 9.5 mm, 5,400 rpm
v
1871-CTO, 19x
1875-CTO, DLx, DMx
v
Fujitsu
HGST
13N6915
39T2523
13N6897
*
*
*
Hard disk drive, 60 GB, 9.5 mm, 7,200
rpm, HGST
v
Supported by CTO
Hard disk drive, 80 GB, 9.5 mm, 5,400 rpm
v
1871-CTO, 25x, 26x, 27x
Fujitsu
HGST
13N6917
39T2525
13N5530
*
*
*
6
Cover, Hard disk drive (14.1-in.)
v
v
v
v
v
1871-CTO, 1xx, 4xx, C1x, F1x
1872-CTO, 1xx, 4xx, C1x
1873-4Ax
1874-4Ax
1875-CTO, D1x, D2x, D6x, DKx, DLx,
E1x, E5x, F1x
Cover, Hard disk drive (15.0-in.)
13R2922
91P6894
*
v
v
1871-CTO, 2xx, 8xx, F4x
1875-CTO, D3x, D9x, DAx, DCx, DMx,
EAx, EBx, ECx, EDx, F4x
v
1876-CTO, DBx, EEx EFx
7
VGA and Ultrabay eject button cable
(14.1-in.)
N
v
v
v
v
v
1871-CTO, 1xx, 4xx, C1x, F1x
1872-CTO, 1xx, 4xx, C1x
1873-4Ax
1874-4Ax
1875-CTO, D1x, D2x, D6x, DKx, DLx,
E1x, E5x, F1x
VGA and Ultrabay eject button cable
(15.0-in.)
91P6895
N
v
v
1871-CTO, 2xx, 8xx, F4x
1875-CTO, D3x, D9x, DAx, DCx, DMx,
EAx, EBx, ECx, EDx, F4x
v
1876-CTO, DBx, EEx EFx
(continued)
188 MT 1871/1872/1873/1874/1875/1876
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Parts list
No. FRU
P/N
CRU
ID
8
ThinkPad Integrated 56K Modem
(MDC-2)
93P4212 **
v
1871-CTO, 11x, 12x, 13x, 15x, 16x,
17x, 18x, 19x, 1Gx, 1Hx, 22x, 23x,
24x, 26x, 27x, 48x, 4Ax, 86x, C1x
1872-CTO, 12x, 4Ax, C1x
1873-4Ax
v
v
v
v
1874-4Ax
1875-CTO, D1x, D2x, D3x, D6x, D9x,
DAx, DCx, DKx, DLx, DMx, E1x, E5x,
EAx, EBx, ECx, EDx
v
1876-CTO, DBx, EEx, EFx
IBM Integrated Bluetooth IV with 56K
39T0022 **
Modem (BMDC-3)
v
v
1871-CTO, 14x, 25x, 4Bx, 4Cx, Fxx
1875-CTO, Fxx
9
256-MB DDR2-533 SDRAM SO-DIMM
(PC2-4200) card ꢀOPꢁ
73P3841
73P3843
*
*
v
1871-CTO, 11x, 12x, 13x, 16x, 22x,
24x
v
1872-CTO, 12x
512-MB DDR2-533 SDRAM SO-DIMM
(PC2-4200) card ꢀOPꢁ
v
1871-CTO, 14x, 15x, 17x, 18x, 19x,
1Gx, 1Hx, 23x, 25x, 26x, 27x, 48x,
4Ax, 4Bx, 4Cx, 8xx, Cxx, Fxx
1872-CTO, 4Ax, Cxx
1873-4Ax
1874-4Ax
v
v
v
v
1875-CTO, DKx, DLx, DMx, Fxx
1-GB DDR2-533 SDRAM SO-DIMM
(PC2-4200) card ꢀOPꢁ
73P3845
73P3847
*
*
v
1875-CTO, D1x, D2x, D3x, D6x, D9x,
DAx, DCx
v
1876-CTO, DBx
2-GB DDR2-533 SDRAM SO-DIMM
(PC2-4200) card ꢀOPꢁ
v
Supported by CTO
(continued)
ThinkPad T43 Series 189
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Parts list
No. FRU
P/N
CRU
ID
10 Battery pack, Li-ion (6 cell) 4.8 Ah ꢀOPꢁ
v
v
v
v
v
v
1871-CTO, 1xx, 2xx, 4xx, 8xx, Cxx, Fxx
1872-CTO, 1xx, Cxx
1873-4Ax
1874-4Ax
1875-CTO, Dxx, Fxx
1876-CTO, Dxx
Sanyo
92P1087
92P1089
92P1091
*
*
*
Sony
Panasonic
Battery pack, Li-ion (9 cell) 7.2 Ah ꢀOPꢁ
v
Supported by CTO
Sanyo
92P1077
92P1073
92P1069
91P9719
*
*
*
*
Sony
Panasonic
Dummy battery pack
Supported by CTO
v
For optional battery packs, see “Optional FRUs” on page
11 Base cover assembly 1871 (14.1-in.)
1871-CTO, 1xx, 4xx, C1x, F1x
26R8971
26R8975
26R8972
26R8976
26R9190
26R9191
26R8973
N
N
N
N
N
N
N
v
Base cover assembly 1871 (15.0-in.)
1871-CTO, 2xx, 8xx, F4x
v
Base cover assembly 1872 (14.1-in.)
1872-CTO, 1xx, 4xx, C1x
v
Base cover assembly 1872 (15.0-in.)
1872-CTO
v
Base cover assembly 1873 (14.1-in.)
1873-4Ax
v
Base cover assembly 1874 (14.1-in.)
1874-4Ax
v
Base cover assembly 1875 (14.1-in.)
v
1875-CTO, D1x, D2x, D6x, DKx, DLx,
E1x, E5x, F1x
Base cover assembly 1875 (15.0-in.)
26R8977
26R8974
N
N
v
1875-CTO, D3x, D9x, DAx, DCx, DMx,
EAx, EBx, ECx, EDx, F4x
Base cover assembly 1876 (15.0-in.)
1876-CTO, DBx, EEx EFx
v
(continued)
190 MT 1871/1872/1873/1874/1875/1876
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Parts list
No. FRU
P/N
CRU
ID
12 Cover, DIMM slot
13 Speaker (14.1-in.)
13N5667
39T0797
*
N
v
v
v
v
v
1871-CTO, 1xx, 4xx, C1x, F1x
1872-CTO, 1xx, 4xx, C1x
1873-4Ax
1874-4Ax
1875-CTO, D1x, D2x, D6x, DKx, DLx,
E1x, E5x, F1x
Speaker (15.0-in.)
39T0800
N
v
v
1871-CTO, 2xx, 8xx, F4x
1875-CTO, D3x, D9x, DAx, DCx, DMx,
EAx, EBx, ECx, EDx, F4x
v
1876-CTO, DBx, EEx EFx
14 Intel PRO Wireless 2200BG Mini-PCI Adapter
US 93P3483 **
v
v
v
v
v
1871-CTO, 1xU, 22U, 24U, 4AU
1872-CTO, 1xU, 4AU
1873-4Ax for xxF, xxU, xxV
1874-4Ax for xxF, xxU, xxV
1875-CTO, DKU, DLU, DMU
(*1)
ROW
93P3485 **
(*1)
v
v
v
v
v
1871-CTO, 1xx except 1xU, 23x, 25x,
26x, 27x, 4Ax except 4AU
1872-CTO, 1xx except 1xU, 4Ax
except 4AU
1873-4Ax for xxA, xxB, xxG, xxL, xxM,
xxP, xxQ, xxS, xxY
1874-4Ax for xxA, xxB, xxG, xxL, xxM,
xxP, xxQ, xxS, xxY
1875-CTO, D1U, D3U, DKF, DLF,
DMF
*1: These Mini PCI Adapters are only CRUs in the 14.1-in.
LCD models. They are not CRUs in the 15.0-in. LCD
models.
(continued)
ThinkPad T43 Series 191
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Parts list
No. FRU
P/N
CRU
ID
14 Intel PRO Wireless 2915ABG Mini-PCI Adapter
US 93P4235 **
v
v
v
1871-CTO, 48U, 4BU, 4CU, 86U, C1U
1872-CTO, C1U
1875-CTO, D2U, D6U, D9U, DAU,
DCU
(*1)
v
1876-CTO, DBU
EU
93P4237 **
(*1)
v
1871-CTO, 25x, FxG
1875-CTO, FxG
v
HB
93P4241 **
(*1)
v
1871-CTO, 25x, FxG
1875-CTO, FxG
v
JP
v
v
93P4239 **
(*1)
1871-CTO, xxE, xxJ
1875-CTO, xxE, xxJ
*1: These Mini PCI Adapters are only CRUs in the 14.1-in.
LCD models. They are not CRUs in the 15.0-in. LCD
models.
15 System board assembly, Intel 915GM,
Gigabit Ethernet with security
chip/fingerprint reader
39T0324
N
v
1871-CTO, 11x, 12x, 13x, 14x, 15x,
16x, 17x, 18x, 19x, 1Gx, 1Hx, 22x,
23x, 24x, 25x, 26x, 27x, 48x, 4Ax,
4Bx, 4Cx, 86x, C1x
v
v
v
v
1872-CTO, 12x, 4Ax, C1x
1873-4Ax
1874-4Ax
1875-CTO, D1x, D2x, D3x, D6x, D9x,
DAx, DCx, DKx, DLx, DMx, E1x, E5x,
EAx, EBx, ECx, EDx, F1x
1876-CTO, DBx, EEx, EFx
v
16 PC Card/ExpressCard slots
91P8833
39T0045
N
N
17 CPU assembly, Intel Pentium M
processor 730 (1.6 GHz)
v
v
v
1871-CTO, 1xx, 22x, 23x, 24x, 27x
1872-CTO, 1xx
1875-CTO, D3x, DKx, E1x, E5x, EAx,
EBx
CPU assembly, Intel Pentium M
processor 740 (1.73 GHz)
39T0046
N
v
1875-CTO, D1x, D2x, D6x, D9x, DAx,
DCx, DLx, DMx
v
1876-CTO, DBx
(continued)
192 MT 1871/1872/1873/1874/1875/1876
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Parts list
No. FRU
P/N
CRU
ID
17 CPU assembly, Intel Pentium M
processor 750 (1.86 GHz)
39T0047
N
v
1871-CTO, 25x, 26x, 4xx, 8xx, C1x,
Fxx
v
v
v
v
v
1872-CTO, C1x
1873-4Ax
1874-4Ax
1875-CTO, ECx, EDx, Fxx
1876-CTO, EEx, EFx
CPU assembly, Intel Pentium M
processor 760 (2.0 GHz)
39T0048
39T0049
26R8197
N
N
N
v
Supported by CTO
CPU assembly, Intel Pentium M
processor 770 (2.13 GHz)
v
Supported by CTO
18 Fan assembly
19 Backup battery
02K6572 **
Note: This FRU is only a CRU in the 14.1-in. LCD models.
It is not a CRU in the 15.0-in. LCD models.
20 Palm rest assembly with touch pad
(14.1-in.)
91P8734 **
v
v
v
v
v
1871-CTO, 22x, 23x, 26x, 27x
1873-4Ax
1874-4Ax
1875-CTO, D3x, D9x, EAx, ECx
1876-CTO, DBx, EEx
Palm rest assembly without touch pad
(14.1-in.)
91P8399 **
26R8410 **
91P8684
**
v
Supported by CTO
Palm rest assembly with touch pad,
fingerprint reader (14.1-in.)
v
v
1871-CTO, 24x, 25x, 86x, F4x
1875-CTO, DAx, DCx, DMx, EBx,
EDx, F4x
v
1876-CTO, EFx
22 Track point stick caps
91P9642
39T0030
*
23 Interposer card
N
v
v
1871-CTO, 2xx, 8xx, F4x
1875-CTO, D3x, D9x, DAx, DCx, DMx,
EAx, EBx, ECx, EDx, F4x
v
1876-CTO, DBx, EEx EFx
—
—
Telephone cable (SAN TAI)
91P6839
46L4855
*
Thermal grease
N
ThinkPad T43 Series 193
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Parts list
14.1-in. XGA TFT
No. FRU
P/N
CRU
ID
1
2
3
4
LCD cover kit (WW)
13R2569
N
N
N
N
v
v
v
v
v
1871-CTO, 1xx, 4xx, C1x, F1x
1872-CTO, 1xx, 4xx, C1x
1873-4Ax
1874-4Ax
1875-CTO, D1x, D2x, D6x, DKx, DLx,
E1x, E5x, F1x
Hinges, 14.1-in.
91P8388
91P6889
91P6896
v
v
v
v
v
1871-CTO, 1xx, 4xx, C1x, F1x
1872-CTO, 1xx, 4xx, C1x
1873-4Ax
1874-4Ax
1875-CTO, D1x, D2x, D6x, DKx, DLx,
E1x, E5x, F1x
LCD cable assembly, 14.1-in. XGA
v
v
v
v
v
1871-CTO, 1xx, 4xx, C1x, F1x
1872-CTO, 1xx, 4xx, C1x
1873-4Ax
1874-4Ax
1875-CTO, D1x, D2x, D6x, DKx, DLx,
E1x, E5x, F1x
Wireless antenna assembly, 14.1-in.
v
v
v
v
v
1871-CTO, 1xx, 4xx, C1x, F1x
1872-CTO, 1xx, 4xx, C1x
1873-4Ax
1874-4Ax
1875-CTO, D1x, D2x, D6x, DKx, DLx,
E1x, E5x, F1x
5
6
Bluetooth wireless antenna assembly,
14.1-in.
91P6897
27K9972
N
N
v
v
1871-CTO, 14x, 4Bx, 4Cx, F1x
1875-CTO, F1x
Inverter card, 14.1-in.
v
v
v
v
v
1871-CTO, 1xx, 4xx, C1x, F1x
1872-CTO, 1xx, 4xx, C1x
1873-4Ax
1874-4Ax
1875-CTO, D1x, D2x, D6x, DKx, DLx,
E1x, E5x, F1x
7
LCD panel, 14.1-in. XGA
v
v
v
v
v
1871-CTO, 1xx, 4xx, C1x, F1x
1872-CTO, 1xx, 4xx, C1x
1873-4Ax
1874-4Ax
1875-CTO, D1x, D2x, D6x, DKx, DLx, E1x, E5x, F1x
HYDIS
LG
92P6733
92P6726
92P6759
26R8409
N
N
N
N
Samsung
8
Clear plate
ThinkPad T43 Series 195
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Parts list
15.0-in. XGA TFT
No. FRU
P/N
CRU
ID
1
2
3
4
5
6
7
LCD cover kit, 15.0-in. (WW)
13R2917
N
N
N
N
N
N
v
v
v
1871-CTO, 22x, 23x, 24x, 25x, 26x,
27x, 86x
1875-CTO, F4x, D3x, D9x, DAx, DCx,
DMx, EAx, EBx, ECx, EDx
1876-CTO, DBx, EEx, EFx
Hinges, 15.0-in.
13R2918
91P6891
91P6860
91P6859
27K9974
v
v
v
1871-CTO, 22x, 23x, 24x, 25x, 26x,
27x, 86x
1875-CTO, F4x, D3x, D9x, DAx, DCx,
DMx, EAx, EBx, ECx, EDx
1876-CTO, DBx, EEx, EFx
LCD cable assembly, 15.0-in. XGA
v
v
v
1871-CTO, 22x, 23x, 24x, 25x, 26x,
27x, 86x
1875-CTO, F4x, D3x, D9x, DAx, DCx,
DMx, EAx, EBx, ECx, EDx
1876-CTO, DBx, EEx, EFx
Bluetooth wireless antenna, 15.0-in.
v
v
v
1871-CTO, 22x, 23x, 24x, 25x, 26x,
27x, 86x
1875-CTO, F4x, D3x, D9x, DAx, DCx,
DMx, EAx, EBx, ECx, EDx
1876-CTO, DBx, EEx, EFx
Antenna, 15.0-in.
v
v
v
1871-CTO, 22x, 23x, 24x, 25x, 26x,
27x, 86x
1875-CTO, F4x, D3x, D9x, DAx, DCx,
DMx, EAx, EBx, ECx, EDx
1876-CTO, DBx, EEx, EFx
Inverter card, 15.0-in. XGA
v
v
v
1871-CTO, 22x, 23x, 24x, 25x, 26x,
27x, 86x
1875-CTO, F4x, D3x, D9x, DAx, DCx,
DMx, EAx, EBx, ECx, EDx
1876-CTO, DBx, EEx, EFx
LCD panel, 15.0-in. XGA
v
v
1871-CTO, 22x, 23x, 24x, 25x, 26x, 27x, 86x
1875-CTO, F4x, D3x, D9x, DAx, DCx, DMx, EAx, EBx,
ECx, EDx
v
1876-CTO, DBx, EEx, EFx
LG
92P6699
92P6701
26R8409
N
N
N
Samsung
8
Clear plate
ThinkPad T43 Series 197
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Parts list
15.0-in. SXGA+ IPS TFT
Note: Only supported by CTO.
No. FRU
P/N
CRU
ID
1
2
3
4
5
6
7
LCD cover kit, 15.0-in. (WW)
Hinges, 15.0-in.
13R2917
13R2918
91P6892
91P6860
91P6859
27K9976
N
N
N
N
N
N
LCD cable assembly, 15.0-in. SXGA+
Bluetooth wireless antenna, 15.0-in.
Antenna, 15.0-in.
Inverter card, 15.0-in. IPS
LCD panel, 15.0 SXGA+
ID TECH
92P6680
92P6761
26R8409
N
N
N
LG
8
Clear plate
198 MT 1871/1872/1873/1874/1875/1876
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Parts list
Keyboard
Keyboards for 15.0-in. LCD models
Language
P/N (NMB) P/N
(ALPS)
P/N
CRU
(Chicony) ID
Arabic
39T0664
93P4801
39T0659
93P4796
39T0661
93P4798
39T0665
93P4802
39T0652
93P4789
39T0649
93P4786
39T0645
93P4782
39T0643
93P4780
39T0672
91P9248
39T0646
93P4783
39T0673
93P4809
39T0648
93P4785
39T0647
93P4784
39T0667
93P4804
39T0666
93P4803
39T0663
93P4800
39T0653
93P4790
39T0725
93P4861
39T0720
93P4856
39T0722
93P4858
39T0726
93P4862
39T0713
93P4849
39T0710
93P4846
39T0706
93P4842
39T0704
93P4840
—
39T0786
13N9914
39T0781
13N9909
39T0783
13N9911
39T0787
13N9915
39T0774
13N9902
39T0771
13N9899
39T0767
13N9895
39T0765
13N9893
—
**
Belgian
Chinese,
Traditional
Czech
Danish
Dutch
English, U.K.
English, U.S.
English, U.S.
(International)
—
—
French, Canadian
39T0707
93P4843
39T0733
93P4869
39T0709
93P4845
39T0708
93P4844
39T0728
93P4864
39T0727
93P4863
39T0724
93P4860
39T0714
93P4850
39T0768
13N9896
39T0795
13N9923
39T0770
13N9898
39T0769
13N9897
39T0789
13N9917
39T0788
13N9916
39T0785
13N9913
39T0775
13N9903
French, Canadian
(058)
French, European
German
Greek
Hungarian
Hebrew
Italian
(continued)
ThinkPad T43 Series 199
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Parts list
Language
Japanese
P/N (NMB) P/N
(ALPS)
P/N
CRU
(Chicony) ID
39T0644
93P4781
39T0658
93P4795
39T0651
93P4788
39T0669
93P4806
39T0656
93P4793
39T0662
93P4799
39T0668
93P4805
39T0670
93P4807
39T0705
93P4841
39T0719
93P4855
39T0712
93P4848
39T0730
93P4866
39T0717
93P4853
39T0723
93P4859
39T0729
93P4865
39T0731
93P4867
39T0715
93P4851
39T0718
93P4854
39T0711
93P4847
39T0716
93P4852
39T0732
93P4868
39T0721
93P4857
39T0766
13N9894
39T0780
13N9908
39T0773
13N9901
39T0791
13N9919
39T0778
13N9906
39T0784
13N9912
39T0790
13N9918
39T0792
13N9920
39T0776
13N9904
39T0779
13N9907
39T0772
13N9900
39T0777
13N9905
39T0793
13N9921
39T0782
13N9910
**
Korean
Norwegian
Polish
Portuguese
Russian
Slovak
Slovenian
Spanish, European 39T0654
93P4791
Spanish, Latin
American
39T0657
93P4794
Swedish or Finnish 39T0650
93P4787
Swiss
39T0655
93P4792
39T0671
93P4808
39T0660
93P4797
Thai
Turkish
200 MT 1871/1872/1873/1874/1875/1876
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Parts list
Keyboards for 14.1-in. LCD models
Language
P/N (NMB) P/N
(ALPS)
P/N
CRU
(Chicony) ID
Arabic
39T0540
08K5065
39T0535
08K5060
39T0537
08K5062
39T0541
08K5066
39T0528
08K5053
39T0525
08K5050
39T0521
08K5046
39T0519
08K5044
39T0548
93P4719
39T0522
08K5047
39T0549
93P4744
39T0524
08K5049
39T0523
08K5048
39T0543
08K5068
39T0542
08K5067
39T0539
93P4711
39T0529
08K5054
39T0520
08K5045
13N9978
—
39T0602
13N9852
39T0597
13N9847
39T0599
13N9849
39T0603
13N9853
39T0590
13N9840
39T0587
13N9837
39T0583
13N9833
39T0581
13N9831
—
**
Belgian
13N9973
—
Chinese,
Traditional
13N9975
—
Czech
13N9979
—
Danish
13N9966
—
Dutch
13N9963
—
English, U.K.
English, U.S.
13N9959
—
13N9957
—
English, U.S.
(International)
—
—
—
French, Canadian
13N9960
—
39T0584
13N9834
39T0611
13N9861
39T0586
13N9836
39T0585
13N9835
39T0605
13N9855
39T0604
13N9854
39T0601
13N9851
39T0591
13N9841
39T0582
13N9832
French, Canadian
(058)
13N9987
—
French, European
German
13N9962
—
13N9961
—
Greek
13N9981
—
Hungarian
Hebrew
13N9980
—
13N9977
—
Italian
13N9967
—
Japanese
13N9958
—
(continued)
ThinkPad T43 Series 201
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Parts list
Language
Korean
P/N (NMB) P/N
(ALPS)
P/N
CRU
(Chicony) ID
39T0534
08K5059
39T0527
08K5052
39T0545
08K5070
39T0532
08K5057
39T0538
08K5063
39T0544
08K5069
39T0546
08K5071
13N9972
—
39T0596
13N9846
39T0589
13N9839
39T0607
13N9857
39T0594
13N9844
39T0600
13N9850
39T0606
13N9856
39T0608
13N9858
39T0592
13N9842
39T0595
13N9845
39T0588
13N9838
39T0593
13N9843
39T0609
13N9859
39T0598
13N9848
**
Norwegian
Polish
13N9965
—
13N9983
—
Portuguese
Russian
Slovak
13N9970
—
13N9976
—
13N9982
—
Slovenian
13N9984
—
Spanish, European 39T0530
08K5055
13N9968
—
Spanish, Latin
American
39T0533
08K5058
13N9971
—
Swedish or Finnish 39T0526
08K5051
13N9964
—
Swiss
39T0531
08K5056
39T0547
08K5072
39T0536
08K5061
13N9969
—
Thai
13N9985
—
Turkish
13N9974
—
202 MT 1871/1872/1873/1874/1875/1876
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Parts list
Recovery CDs
Windows XP Professional
Windows XP Professional is preinstalled as the operating
system in the following models:
v
v
v
v
v
1871-1xx except 13x, 2xx, 4xx, 8xx, Cxx, Fxx
1872-1xx, 4xx, Cxx
1873-4Ax
1874-4Ax
1875-Dxx, Fxx
Language
P/N
CRU
ID
Arabic
39K7811
39K7803
39K7804
39K7805
39K7810
39K7799
39K7802
39K7792
39K7791
39K7800
39K7793
39K7794
39K7815
39K7808
39K7814
39K7796
39K7806
39K7807
39K7801
39K7809
39K7797
39K7812
39K7795
39K7798
39K7813
*
Chinese, Simplified
Chinese, Traditional
Chinese, Traditional (Hong Kong S.A.R.)
Czech
Danish
Dutch
English, U.K.
English, U.S.
Finnish
French
German
Greek
Hebrew
Hungarian
Italian
Japanese
Korean
Norwegian
Polish
Portuguese, Brazilian
Russian
Spanish
Swedish
Turkish
ThinkPad T43 Series 203
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Parts list
Windows XP Home Edition
Windows XP Home Edition is preinstalled as the operating
system in the following models:
v
1871-13x
Language
P/N
CRU
ID
Arabic
39K8011
39K8003
39K8004
39K8005
39K8010
39K7999
39K8002
39K7992
39K7991
39K8000
39K7993
39K7994
39K8015
39K8008
39K8014
39K7996
39K8006
39K8007
39K8001
39K8009
39K7997
39K8012
39K7995
39K7998
39K8013
*
Chinese, Simplified
Chinese, Traditional
Chinese, Traditional (Hong Kong S.A.R.)
Czech
Danish
Dutch
English, U.K.
English, U.S.
Finnish
French
German
Greek
Hebrew
Hungarian
Italian
Japanese
Korean
Norwegian
Polish
Portuguese, Brazilian
Russian
Spanish
Swedish
Turkish
204 MT 1871/1872/1873/1874/1875/1876
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Parts list
Miscellaneous parts
FRU
P/N
CRU
ID
Screw kit (including nylon-coated screws):
13R2916
N
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
M2 × 2.7 mm (silver), small head (10)
M2 × 3 mm (silver), small head (20)
M2 × 3 mm (from outside), pan head (10)
M2 × 4 mm (black), bind head (30)
M2 × 4 mm (black), small head (10)
M2 × 5 mm (gold), bind head (2)
M2 × 5 mm (black), flat head (20)
M2 × 10 mm (black), flat head (30)
M2 × 12 mm (black), flat head (5)
M2 × 14 mm (black), bind head (10)
M2 × 14 mm (black), TR7 (5)
M2 × 14.9 mm for drive bay (5)
M2 × 19 mm (black), bind head (5)
M2.5 × 3 mm (gold), flat head (5)
M2.5 × 4.8 mm (black), bind head (10)
M3 × 3 mm (PHILLIPS/slotted) (2)
Hex stud (5)
Security screw (1)
Screw caps (square, thin)
Screw caps (oval, not painted)
Screw caps (not painted)
Screw caps (square)
Tape on Bluetooth wireless antenna
Base miscellaneous parts (14.1-in. LCD
models):
26R8406
N
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
Cover, PC Card slot
Spacer, PC Card slot
Spring, PC Card slot cover
Rubber foot (rear)
Rubber foot (front)
Insulation sheet
Battery lock knob L
Battery lock latch L
Battery lock knob R
Battery lock latch R
Spring, battery lock
Slide lever
Slide lever spring
Pull lever
Pull lever spring
Puller
Rubber, shock absorber
Insulation, bottom
Foam under fan
Cu tape under fan
Cu tape
Insulation, louver
Screw caps (square, thin)
(continued)
ThinkPad T43 Series 205
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Parts list
FRU
P/N
CRU
ID
Base miscellaneous parts (15.0-in. LCD
models):
26R8407
N
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
Cover, PC Card slot
Spring, PC Card slot cover
Rubber foot (rear)
Rubber foot (front)
Battery lock knob L
Battery lock latch L
Battery lock knob R
Link, battery lock
Spring, battery lock
Slide lever
Slide lever spring
Pull lever
Pull lever spring
Puller
Rubber, shock absorber
Insulation sheet
Insulation, bottom
Foam under fan
Foam under system board, front
Foam under system board, rear
Cu plate, video
Insulation, louver
Screw caps (square, thin)
System miscellaneous parts (14.1-in. LCD
models):
26R8408
N
v
Cable, RJ11-docking connector on system
board
v
v
v
v
v
v
v
v
v
v
v
DC in cable
(c) Hard disk drive guide rail
Spacer for DSP connector
(e) I/O plate bracket
(f) Support structure
Harness (left)
(b) Antenna cable guide
Bracket holder, LCD cable
(d) EMI spring, CDC
Connector bag
Screw cap (square, thin)
Note: Italicized letters in parentheses are
references to the exploded view on page 185.
(continued)
206 MT 1871/1872/1873/1874/1875/1876
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Parts list
FRU
P/N
CRU
ID
System miscellaneous parts (15.0-in. LCD
models):
13R2915
N
v
Cable, RJ11-docking connector on system
board
v
v
v
v
v
v
v
v
v
v
DC in cable
(c) Hard disk drive guide rail
Sheet for DSP connector
(e) I/O plate bracket
(f) Support structure
Harness (left)
(b) Antenna cable guide
Bracket holder, LCD cable
(d) EMI spring, CDC
Connector bag
Note: Italicized letters in parentheses are
references to the exploded view on page 185.
System board miscellaneous parts:
26R8405
N
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
Insulator, PC Card slot
Insulator, louver
Insulator, docking latch
Insulator, security chip
Insulator, docking connector
Insulator, fan
Insulator, Mg
S-video gasket
Form on system board
Insulator, louver, hard disk drive
Mic rubber
Stud, triangle
Audio connector bracket
Security chip spacer
Stud, system board
Screw cap (square, thin)
(continued)
ThinkPad T43 Series 207
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Parts list
FRU
P/N
CRU
ID
LCD miscellaneous parts (14.1-in. LCD
models):
13R2449
N
v
v
v
v
v
v
v
v
v
v
v
v
v
Tape, LCD FPC
Tape on Bluetooth wireless antenna
(a) LCD latch R
(b) LCD latch L assembly
(c) Cable bushing (lower)
(d) Cable bushing (upper)
LED lens
Cable clip
Spiral tube
Screw caps (square, thin)
Screw caps (oval, not painted)
Screw caps (not painted)
Screw caps (square)
Note: Italicized letters in parentheses are
references to the exploded view on page 194.
AC adapters
FRU
P/N
CRU
ID
3-pin (72W) slim adapter for PFC model (models CTO, xxA, xxB,
xxC, xxG, xxH, xxK, xxM, xxQ, xxV)
ASTEC ꢀOPꢁ
DELTA ꢀOPꢁ
SANKEN ꢀOPꢁ
92P1015
08K8203
92P1019
08K8207
92P1023
08K8211
*
*
*
*
*
*
2-pin (72W) slim adapter for non-PFC model (models CTO, xxE,
xxF, xxJ, xxL, xxP, xxS, xxU, xxY)
ASTEC ꢀOPꢁ
DELTA ꢀOPꢁ
SANKEN ꢀOPꢁ
92P1017
08K8205
92P1021
08K8209
92P1025
08K8213
*
*
*
*
*
*
208 MT 1871/1872/1873/1874/1875/1876
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Parts list
Optional FRUs
FRU
P/N
CRU
ID
Hard disk drive, 80 GB, 9.5 mm, 4200 rpm,
IBM STD
08K9863
*
Ultrabay Slim hard disk drive adapter
62P4553
08K8191
*
*
Ultrabay Slim Li Polymer battery (2nd bay
battery), Sanyo (WW)
ThinkPad Dock II
67P9010
*
Top cover and screw kit for ThinkPad Dock II 46P3085 **
PCI cover for ThinkPad Dock II
ThinkPad Mini Dock
46P3086
67P9011
02K7086
*
*
*
AC adapter (2 pin, 120 W), DELTA for
ThinkPad Mini Dock
AC adapter (2 pin, 120 W), LITEON for
ThinkPad Mini Dock
02K7092
02K7094
02K7096
*
*
*
AC adapter (3 pin, 120 W), LITEON for
ThinkPad Mini Dock
AC adapter (3 pin, 120 W), LITEON for
ThinkPad Mini Dock
ThinkPad Port Replicator II
74P6735
62P4556
*
*
ThinkPad Slim Drive Adapter for Ultrabay
2000
Multiple battery charger
Diskette drive cable
Diskette drive (TEAC)
Diskette drive (Sony)
02K6642
27L0525
08K9606
08K9607
*
*
*
*
ThinkPad T43 Series 209
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Parts list
Common parts list
Tools
Tool
P/N
Triconnector wrap plug
PC test card
72X8546
35G4703
66G5180
05K2580
95F3598
00P7033
1650840
93F2838
00P6967
08K7159
27K9813
05K9283
—
Audio wrap cable
USB parallel test cable
Screwdriver kit
Mini PC tool set
1/4" drive spinner handle
1/4" Sq. to 1/4" hex torx adapter
TR7-TR-10 tamper resistant torx bits
Removal tool antenna RF connector
PCI-Express/USB wrap card
USB floppy disk drive for maintenance diskette
ThinkPad Hardware Maintenance Diskette Version
1.73 or later
Note: Download the file from the following Web site:
210 MT 1871/1872/1873/1874/1875/1876
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Parts list
Power cords (system)
An IBM power cord for a specific country or region is
usually available only in that country or region:
For 2-pin power cords:
Region
P/N
CRU
ID
Canada, U.S.
13H5264
74P4331
36L8870
49P2095
*
v
models -CTO, xxF, xxL, xxS, xxU
Japan
v
models -Exx, Jxx
Argentina
v
models -CTO, xxY
Brazil
v
models -CTO, xxP
For 3-pin power cords:
Region
P/N
CRU
ID
Australia, New Zealand
76H3514
76H3516
76H3530
76H3520
76H3524
76H3518
76H3522
76H3532
76H3535
02K0539
76H3528
*
v
models -CTO, xxG, xxM
Taiwan, Thailand
v
models -CTO, xxV
Italy
v
models -CTO, xxG
Denmark
v
models -CTO, xxG
U.K., China (Hong Kong S.A.R.)
v
models -CTO, xxB, xxG, xxH
European countries
v
models -CTO, xxG
India, South Africa
v
models -CTO, xxG
Israel
v
models -CTO, xxG
Korea
v
models -xxK
China (P.R.C.) (other than Hong Kong S.A.R.)
v
models -xxC
Switzerland
v
models -CTO, xxG
ThinkPad T43 Series 211
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Parts list
Power cords (ThinkPad Dock II)
A ThinkPad power cord for a specific country or region is
usually available only in that country or region:
For 3-pin power cords:
Region
P/N
CRU
ID
Argentina
36L8868
75H8988
49P2101
75H8989
75H8992
75H8990
75H8993
75H8999
75H8998
75H8996
76H3536
*
Australia, New Zealand
Brazil
Canada, Thailand, U.S.
Denmark
European countries
India, South Africa
Israel
Italy
Japan
Korea
China (P.R.C.) (other than Hong Kong S.A.R) 02K0540
Switzerland
U.K.
75H8997
75H8994
212 MT 1871/1872/1873/1874/1875/1876
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Notices
Notices
Lenovo may not offer the products, services, or features
discussed in this document in all countries. Consult your
local Lenovo representative for information on the products
and services currently available in your area. Any
reference to a Lenovo product, program, or service is not
intended to state or imply that only that Lenovo product,
program, or service may be used. Any functionally
equivalent product, program, or service that does not
infringe any Lenovo intellectual property right may be used
instead. However, it is the user’s responsibility to evaluate
and verify the operation of any other product, program, or
service.
Lenovo may have patents or pending patent applications
covering subject matter described in this document. The
furnishing of this document does not give you any license
to these patents. You can send license inquiries, in writing,
to:
Lenovo (United States), Inc.
500 Park Offices Drive, Hwy. 54
Research Triangle Park, NC 27709
U.S.A.
Attention: Lenovo Director of Licensing
LENOVO GROUP LTD. PROVIDES THIS PUBLICATION
“AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER
EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED
TO, THE IMPLIED WARRANTIES OF
NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS
FOR A PARTICULAR PURPOSE. Some jurisdictions do
not allow disclaimer of express or implied warranties in
certain transactions, therefore, this statement may not
apply to you.
This information could include technical inaccuracies or
typographical errors. Changes are periodically made to the
information herein; these changes will be incorporated in
new editions of the publication. Lenovo may make
improvements and/or changes in the product(s) and/or the
program(s) described in this publication at any time without
notice.
The products described in this document are not intended
for use in implantation or other life support applications
where malfunction may result in injury or death to persons.
The information contained in this document does not affect
or change Lenovo product specifications or warranties.
Nothing in this document shall operate as an express or
implied license or indemnity under the intellectual property
rights of Lenovo or third parties. All information contained
in this document was obtained in specific environments
ThinkPad T43 Series 213
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Notices
and is presented as an illustration. The result obtained in
other operating environments may vary.
Lenovo may use or distribute any of the information you
supply in any way it believes appropriate without incurring
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Any references in this publication to non-Lenovo Web sites
are provided for convenience only and do not in any
manner serve as an endorsement of those Web sites. The
materials at those Web sites are not part of the materials
for this Lenovo product, and use of those Web sites is at
your own risk.
Any performance data contained herein was determined in
a controlled environment. Therefore, the result obtained in
other operating environments may vary significantly. Some
measurements may have been made on development-level
systems and there is no guarantee that these
measurements will be the same on generally available
systems. Furthermore, some measurements may have
been estimated through extrapolation. Actual results may
vary. Users of this document should verify the applicable
data for their specific environment.
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or both.
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Other company, product, or service names may be the
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Part Number: 39T6193
(1P) P/N: 39T6193
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