Lenovo X41 manual

ThinkPad Computer Hardware Maintenance Manual September 2005 This manual supports: ThinkP ad X41 (MT 1864, 1865, 2525, 2526, 2527, 2528)[...]

Note Before using this information and the product it supports, be sure to read the general information under “Notices” on page 140. First Edition (September 2005) © Copyright Lenovo 2005. Portions © Copyright International Business Machines Corporation 2005. All rights reserved. U.S. GOVERNMENT USERS – RESTRICTED RIGHTS: Our products and/o[...]

Contents About this manual . . . . . . . . . . .1 Introduction . . . . . . . . . . . . .3 Important service information . . . . . . . . .3 Strategy for replacing FRUs . . . . . . . . .3 Strategy for replacing a hard disk drive . . . . .4 How to use error messages . . . . . . . .4 Strategy for replacing FRUs for CTO, CMV , and GA V 4 Product definit[...]

Undetermined problems . . . . . . . . .7 1 FRU replacement notices . . . . . . . . .7 2 Screw notices . . . . . . . . . . . .7 2 Retaining serial numbers . . . . . . . . .7 3 Removing and replacing a FRU . . . . . . . .7 6 1010 Battery pack . . . . . . . . . . .7 7 1020 Hard disk drive . . . . . . . . . .7 8 1030 DIMM cover . . . . . . . . . . .7 9[...]

About this manual This manual contains service and reference information for ThinkPad ® X41 (MT 1864/1865/2525/2526/2527/2528) product. 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 informat[...]

2 MT1864/1865/2525/2526/2527/2528[...]

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 http://www.lenovo.com/think/ support Advise customers to contact the Customer Support Center at 800-426-7378 if they need assistance in obtaining or installing any diskette f[...]

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 b[...]

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 V ariant (GA V) This is a standard model (fixed configuration). GA Vs are announced and offered to all customers. The MTM portion of the machine label is a 4-digit MT and 3-digit model, wher[...]

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 eSupport can be accessed at the following Web site: http://www.lenovo.com/think/ support v To view the key commodities, click on PA R T S INFORMA TION, then PA R T S LOOKUP . T ype in the model type and serial nu[...]

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. Product[...]

Products marketed before June 2006 Products marketed after June 2006 Current or original part Replacement FRU Current or original part Replacement FRU Non-RoHS Can be Non-RoHS Must be RoHS Must be RoHS Non-RoHS Can be RoHS Non-RoHS Can sub to RoHS RoHS Must be RoHS Note: A direct substitution is a part with a different FRU part number that is autom[...]

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 . V erify this by shaking the computer and listening for rattling sounds. Metallic parts or metal flakes can cause electrical shorts. Avant de remettre l’ordinateur s[...]

Safety notice 2 D ANGER 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 [...]

(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[...]

Safety notice 3 D ANGER 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[...]

(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 Cat[...]

Safety notice 4 D ANGER 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 app[...]

(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 [...]

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 s[...]

Safety notice 6 D ANGER 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 T eil der S[...]

Safety notice 7 D ANGER 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 maté[...]

Safety notice 8 D ANGER 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. A vant de retirer une unité remplaçable en clientèle, mettez le système hors tension, débranchez tous les cordons d’alimentation des socles de prise[...]

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 Observe good housekeeping in the area of the machines during and after maintenance. v When lifting any heavy object: 1. Make sure that you can [...]

v After service, reinstall all safety shields, guards, labels, and ground wires. Replace any safety device that is worn or defective. v Reinstall all covers correctly before returning the machine to the customer . v Fan louvers on the machine help to prevent overheating of internal components. Do not obstruct fan louvers or cover them with labels o[...]

– 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 [...]

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. Yo u should use good judgment to identify potential safet[...]

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 differenc[...]

– 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. Safety information Introduction 25[...]

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 Se[...]

If a CD-ROM drive, a DVD-ROM drive, or another laser device is installed, note the following: CA UTI ON: 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. Use of controls or adjustments or performanc[...]

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: D ANGER 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 lase[...]

General descriptions This chapter includes descriptions for 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 Only certified trained personnel should service the[...]

__ 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 Not[...]

Related service information This section provides information about the following: v “Service Web site” v “Restoring the preloaded system” v “Recovering the hard disk to original contents” on page 34 v “Passwords” on page 37 v “Power management” on page 39 Service Web site When the latest maintenance diskette and the system prog[...]

computer . Make a Recovery Repair diskette and save it for future use. To make a Recovery Repair diskette, do the following: 1. Shut down and restart the computer . 2. At the prompt, press F1 1. (The option to press F1 1 appears for only a few seconds. Yo u must press F1 1 quickly .) The Product Recovery program main menu opens. Note: If you are pr[...]

6. When the Product Recovery program finishes running, the computer will restart with the pre-installed operating system, drivers, and software. Using the recovery CD To create the service partition and install the preloaded system from the recovery CD, do the following: To create the service partition: 1. Erase all partitions on the hard disk driv[...]

10. On each of the next three windows, press the Y key . 11 . Follow the prompts to complete the recovery . To use the Recovery Repair diskette: 1. Shut down and turn off the computer . 2. Insert the Recovery Repair diskette into the drive, and then turn on the computer . 3. Follow the on-screen instructions. Recovering the hard disk to original co[...]

3. T urn on the computer . Watch the display carefully . When the following message is displayed, press the blue Access IBM button to open the Access IBM Predesktop Area: “T o interrupt normal startup, press the blue Access IBM button.” 4. Double-click Recover to factory contents . 5. Follow the instructions on the screen. 6. When the recovery [...]

2. For the proper removal of the Hidden Protected Area(HP A), refer to the white paper at http://www.pc.ibm.com/qtechinfo/AIBM-TOOLS.html 3. Boot with the recovery CD (and the boot diskette if required.) 4. Following message is displayed: “ Y our computer originally included a Product Recovery program ... Reinstall the Product Recovery program? ([...]

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. Excep[...]

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. T urn off the computer . 2. Remove the battery pack. For how to remove the battery pack, see “1010 Battery pack” on page 77. 3. Remove the backup battery . For how to remove the backup battery , see “1080 Backup batter[...]

message is displayed at the lower-left of the screen, press the Access IBM button. 2. Press F1 while HDP icon is appearing on the screen; then enter the master HDP . For the other models, enter the master HDP . 3. Double—click Start setup utility . Enter SVP . 4. Select Security , using the cursor keys to move down the menu. 5. Select Password . [...]

v The CPU stops. To enter standby mode, press Fn+F4. Note: Yo u can change the action of Fn+F4, if you are using the ACPI operating system. 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 T rackPoint, the [...]

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. To cause the computer to enter hibernation mode, do any of the following: v Press the Fn+F12 keys. v If you are using the ACPI operating system and have defined one of the following actions as the event tha[...]

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 th[...]

Creating the PC-Doctor diagnostics diskette In X41 series, the PC-Doctor disk can be created by using the Access IBM Predesktop Area or the Rescue and Recovery workspace. To create the PC-Doctor disk from the Access IBM Predesktop Area or from the Rescue and Recovery workspace, do as follows: 1. Enter the Predesktop application or the Rescue and Re[...]

If an error code appears, go to “Symptom-to-FRU index” on page 59. 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 me[...]

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 . To cancel the test, press Esc. Note: After executing PC-Doctor , check the system time/date and reset them if needed. Detecting system information with PC-Doct[...]

If you suspect a power problem, see the appropriate one of the following power supply checkouts: v “Checking the ac adapter” v “Checking operational charging” v “Checking the battery pack” on page 47 v “Checking the backup battery” on page 47 Checking the ac adapter Yo u are here because the computer fails only when the ac adapter i[...]

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% o[...]

1. Power off the computer , and unplug the ac adapter from it. 2. T urn the computer upside down. 3. Remove the battery pack (see “1010 Battery pack” on page 77). 4. Remove the backup battery (see “Checking the battery pack” on page 47). 5. Measure the voltage of the backup battery . See the following figure. Red (+) Black (-) Wire V oltage[...]

ThinkPad X41 Product overview . . . . . . . . . . . .5 1 Specifications . . . . . . . . . . . .5 1 Status indicators for X41 . . . . . . . . .5 3 FRU tests . . . . . . . . . . . . .5 5 Fn key combinations . . . . . . . . . .5 7 Symptom-to-FRU index . . . . . . . . . .5 9 Numeric error codes . . . . . . . . . .5 9 Error messages . . . . . . . . . . [...]

Keyboard . . . . . . . . . . . . . 131 Recovery CDs . . . . . . . . . . . 133 For Windows XP Professional . . . . . . 133 For Windows XP Home Edition . . . . . 134 Miscellaneous parts . . . . . . . . . . 134 Optional FRUs . . . . . . . . . . . 135 AC adapters . . . . . . . . . . . . 136 Common parts list . . . . . . . . . . 137 T ools . . . . . . .[...]

Product overview This section presents the following product-unique information: v “Specifications” v “Status indicators for X41” on page 53 v “FRU tests” on page 55 v “Fn key combinations” on page 57 Specifications Feature Description Processor v Intel ® Pentium ® M Processor Low V oltage 758 (1.5 GHz), L2 2 MB cache v Intel Pent[...]

Feature Description I/O port (system) v External monitor connector v RJ1 1 connector v RJ45 connector v Stereo headphone jack v Monaural microphone jack v Universal serial bus (USB) connector × 2 v Infrared port v Docking connector v DC-in I/O port (UltraBase) v External monitor connector v RJ1 1 v RJ45 v Parallel connector v Serial connector v Ke[...]

Status indicators for X41 The system status indicators show the status of the computer , as follows: 1 3 2 8 4 5 6 7 2 7 8 Indicator Meaning 1 Wireless status Green: Wireless is operational and radio on state. This indicator is on when the data is transmitted. 2 Bluetooth status Green: The Bluetooth is operational. This indicator is on [...]

Indicator Meaning 3 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 . 4 Caps lock Green: Caps Lock mode is enabled. To enable or disable Caps Lock mode, press the Caps Lock key . 5 Drive in use Green: Data is being read f[...]

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[...]

FRU Applicable test Hard disk drive Diagnostics --> Fixed Disks Diskette drive 1. Diagnostics --> Diskette Drives 2. Interactive T ests --> Diskette CD-ROM or DVD drive 1. Diagnostics --> Other Devices --> CD-ROM/DVD 2. Interactive T ests --> CD-ROM/DVD T est Memory 1. If two DIMMs are installed, remove one of them and run Diagnos[...]

Fn key combinations The following table shows the function of each combination of Fn with a function key . Key combination Description Fn+F1 Reserved. Fn+F2 Reserved. Fn+F3 Standby mode T urn off the LCD display , leaving the screen blank. Hard disk drive spindown while CPU still works. To turn the LCD display on again, press any key or the T rackP[...]

Key combination Description Fn+F8 Display expansion Horizontal/V ertical screen expansion (hardware stretch) function is enabled, so that VGA mode screen will be expanded to whole size of SVGA LCD or XGA LCD. Note: 1. In ACPI OS (Windows XP , Windows 2000, and later), this function is not supported. 2. When hardware overlay screen or 3D full screen[...]

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 [...]

Symptom or error FRU or action, in sequence 0182 Bad CRC2. Enter BIOS Setup and load Setup defaults.—Checksum of the CRS2 setting in the EEPROM is not correct. 1. Run BIOS Setup Utility . Press F9, and Enter to load the default setting. Then save current setting by pressing F10. 2. System board. 0185 Bad startup sequence settings. Enter BIOS Setu[...]

Symptom or error FRU or action, in sequence 0199 System Security—IBM Security password retry count exceeded. 1. Run BIOS Setup Utility , and then save current setting by pressing F10. 2. System board. 01C8 More than one modem devices are found. Remove one of them. Press <Esc> to continue. 1. Remove either a Mini-PCI Card. Otherwise, press E[...]

Symptom or error FRU or action, in sequence 0210 Stuck key—Stuck key on keyboard Enter here . 021 1 Keyboard error—Keyboard not working. Run interactive tests of the keyboard and the auxiliary input device . 0212 Keyboard Controller Failed—Keyboard controller failed test. Replace keyboard controller . . 0213 Keyboard locked—Unlock key switc[...]

Symptom or error FRU or action, in sequence 0270 Real time clock error—Real-T ime Clock fails BIOS hardware test 1. Replace the backup battery and run BIOS Setup Utility to reset the time and date . 2. System board. 0271 Date and time error—BIOS found date or time out of range and reset the Real-T ime Clock. Run BIOS Setup Utility to reset the [...]

Symptom or error FRU or action, in sequence 02F0 CPU ID.—CPU socket number for Multi-Processor error 02F4 EISA CMOS not writable—ServerBIOS2 test error: Cannot write to EISA CMOS. 1. Load Setup Defaults in BIOS Setup Utility . 2. Replace the backup battery . 3. System board. 02F5 DMA test failed—ServerBIOS2 test error: Cannot write to extende[...]

Symptom or error FRU or action, in sequence 1810 Hard disk partition layout error 1. If the Access IBM Predesktop Area has been previously disabled, then go the the BIOS Setup Utility by pressing F1 to open the BIOS Setup Utility . Select Security->Predesktop Area-> Access IBM Predesktop Area. Set this item to Disabled. Save and exit. 2. If t[...]

Symptom or error FRU or action, in sequence 2010 W arning: Y our internal hard disk drive (HDD) may not function correctly on this system. Ensure that your HDD is supported on this system and that the latest HDD firmware is installed. Inform the following information to the customer: If in the primary bay the customer is using a non-IBM or non-Leno[...]

Error messages Symptom or error FRU or action, in sequence Device address conflict. 1. Load “Setup Defaults” in BIOS Setup Utility . 2. Backup battery . 3. System board. Allocation error for device. 1. Load “Setup Defaults” in BIOS Setup Utility . 2. Backup battery . 3. System board. Failing bits: nnnn. 1. DIMM . 2. System board. Invalid sy[...]

Symptom or error FRU or action, in sequence Fixed disk n 1. DIMM . 2. System board. P/S 2 mouse boot summary screen 1. DIMM . 2. System board. One or more I2O block storage devices were excluded from the setup boot menue 1. DIMM . 2. System board. Parity Check 1 nnnn 1. DIMM . 2. System board. Parity Check 2 nnnn 1. DIMM . 2. System board. Press F1[...]

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, and a blank or unreadable LCD. 1. System board . 2. LCD assembly . 3. DIMM. Tw o short beeps with error codes. POST error . See [...]

LCD-related symptoms Important The TFT LCD for the notebook computer contains many thin-film transistors (TFT s). 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 missin[...]

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 diagnos[...]

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 maintai[...]

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 “Restoring the serial nu[...]

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 [...]

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 t[...]

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. 2. Before replacing any FRU, review “FRU replacem[...]

1010 Battery pack D ANGER Use only the battery specified in the parts list for your computer . The use of an incorrect battery can result in ignition or explosion of the battery . Before processing, seperate main unit from docking first. 3 2 1 Release the lock knob, shown as 1 , and latche knob, shown as 2 , to remove the battery pack. [...]

1020 Hard disk drive Attention v Do not drop or apply any shock to the hard disk drive. The hard disk drive is sensitive to physical shock. Incorrect handling can cause damage and permanent loss of data. v Before removing the drive, have the user make a backup copy of all the information on the drive if possible. v Never remove the drive while the [...]

1030 DIMM cover For access, remove following FRU: v “1010 Battery pack” on page 77 Note: Loosen the screws 1 , but do not remove them. 2 1 1 1 3 Step Screw (quantity) T orque 1 M2 ×3 mm (3) 0.157 Nm (1.6 kgfcm) Removing and replacing a FRU ThinkPad X41 79[...]

1040 Mini PCI adapter , DIMM, MDC-2, and BMDC-3 For access, remove following FRUs, in order: v “1010 Battery pack” on page 77 v “1030 DIMM cover” on page 79 Detach antenna and remove Mini PCI adapter . 3 1 MA I N AUX 2 2 Pull over the levers to detach DIMM. 2 1 1 (continued) Removing and replacing a FRU 80 MT1864/1865/2525/2526/2527/2528[...]

Remove MDC-2 (ThinkPad Integrated 56K Modem). 1 1 3 2 Or remove BMDC-3 (ThinkPad Integrated Bluetooth IV with 56K Modem). 1 1 2 4 3 Step Screw (quantity) T orque 1 M2 × 3.5 mm, nylon-coated (2) 0.196 Nm (2 kgfcm) (continued) Removing and replacing a FRU ThinkPad X41 81[...]

When installing, route the modem cable as shown below . Note: The bluetooth cable should be routine between planar and BMDC. Removing and replacing a FRU 82 MT1864/1865/2525/2526/2527/2528[...]

1050 Keyboard For access, remove following FRU: v “1010 Battery pack” on page 77 Remove 6 screws with keyboard icon to remove keyboard. 1 1 1 1 1 1 Step Screw (quantity) T orque 1 M2 × 6 mm, nylon-coated (6) 0.196 Nm (2 kgfcm) (continued) Removing and replacing a FRU ThinkPad X41 83[...]

Gently push the keyboard forward, as shown in step 1 . Then lift up the keyboard slightly , as shown in step 2 . 2 1 1 Detach the keyboard connector to remove the keyboard. Removing and replacing a FRU 84 MT1864/1865/2525/2526/2527/2528[...]

When installing: Follow the steps below . 1. Attach the connector . 2. Make sure that the keyboard edges, shown in the step 1 , are under the frame. Then press the keys indicated by step 2 to latch the keyboard firmly in place. 1 1 2 3. To make sure that the front side of the keyboard is housed firmly , gently press the keys with your t[...]

1060 Upper case For access, remove following FRUs, in order: v “1010 Battery pack” on page 77 v “1050 Keyboard” on page 83 Remove 6 screws as shown below . 1 1 1 1 1 1 Step Screw (quantity) T orque 1 M2 × 6 mm, nylon-coated (6) 0.196 Nm (2 kgfcm) (continued) Removing and replacing a FRU 86 MT1864/1865/2525/2526/2527/2528[...]

Detach cover switch cable(suspend cable), shown as 1 , microphone cable, shown as 2 , and fingerprint FPC, shown as 3 . 1 1 2 3 Gently push the upper case backward, as shown in step 1 . And lift it up slightly , as shown in step 2 . Then release the latches, as shown in step 3 and step 4 , carefully to remo[...]

When installing: Make sure that the upper case edges, shown in the step 1 , are under the frame. 1 2 Note: After installing upper case, arrange antenna as 1 . If BMDC-3 is used, arrange antenna as 2 . 1 2 Removing and replacing a FRU 88 MT1864/1865/2525/2526/2527/2528[...]

1070 Fingerprint board Note: Only for the models with fingerprint function. For access, remove following FRUs, in order: v “1010 Battery pack” on page 77 v “1050 Keyboard” on page 83 v “1060 Upper case” on page 86 Before removing fingerprint board, remove the two screws to remove the fingerprint bracket. 1 2 1 Step Screw (quantity) T or[...]

3 4 Removing and replacing a FRU 90 MT1864/1865/2525/2526/2527/2528[...]

1080 Backup battery D ANGER Use only the battery specified in the parts list for your computer . The use of an incorrect battery can result in ignition or explosion of the battery . For access, remove following FRUs, in order: v “1010 Battery pack” on page 77 v “1020 Hard disk drive” on page 78 v “1030 DIMM cover” on page 79 v “1050 K[...]

1090 LCD module For access, remove following FRUs, in order: v “1010 Battery pack” on page 77 v “1020 Hard disk drive” on page 78 v “1040 Mini PCI adapter , DIMM, MDC-2, and BMDC-3” on page 80 v “1050 Keyboard” on page 83 v “1060 Upper case” on page 86 Before removing LCD module, remove LCD FPC cable first. 2 1 1 Step Screw (qua[...]

Then remove the four screws as shown. 3 1a 3 1 3 3 Step Screw (quantity) T orque 3 M2 ×6 mm, nylon-coated (4) 0.196 Nm (2 kgfcm) (continued) Removing and replacing a FRU ThinkPad X41 93[...]

Remove LCD module. 4 4 Removing and replacing a FRU 94 MT1864/1865/2525/2526/2527/2528[...]

1 100 Hard disk housing assembly For access, remove following FRUs, in order: v “1010 Battery pack” on page 77 v “1020 Hard disk drive” on page 78 v “1050 Keyboard” on page 83 v “1060 Upper case” on page 86 2 1b 1b 1a 1a Step Screw (quantity) T orque 1a M2 ×8 mm, nylon-coated (2) 0.196 Nm (2 kgfcm) 1b M2 ×3.5 mm, nylon[...]

111 0 To p shielding For access, remove following FRUs, in order: v “1010 Battery pack” on page 77 v “1020 Hard disk drive” on page 78 v “1030 DIMM cover” on page 79 v “1040 Mini PCI adapter , DIMM, MDC-2, and BMDC-3” on page 80 v “1080 Backup battery” on page 91 v “1050 Keyboard” on page 83 v “1060 Upper case” on page 8[...]

1 120 Lower case For access, remove following FRUs, in order: v “1010 Battery pack” on page 77 v “1020 Hard disk drive” on page 78 v “1030 DIMM cover” on page 79 v “1040 Mini PCI adapter , DIMM, MDC-2, and BMDC-3” on page 80 v “1080 Backup battery” on page 91 v “1050 Keyboard” on page 83 v “1060 Upper case” on page 86 v [...]

Remove the two screws at the bottom. 1a 1 1 Step Screw (quantity) T orque 1 M2 × 6 mm, nylon-coated (2) 0.196 Nm (2 kgfcm) (continued) Removing and replacing a FRU 98 MT1864/1865/2525/2526/2527/2528[...]

Remove lower case. 2 1b 1b 1a Step Screw (quantity) T orque 1a M2 × 3.5 mm, nylon-coated (1) 0.1372 Nm (1.4 kgfcm) 1b M2 × 3.5 mm, nylon-coated (2) 0.1372 Nm (1.4 kgfcm) (continued) Removing and replacing a FRU ThinkPad X41 99[...]

When installing: Becareful to align with the 2 location notches. Removing and replacing a FRU 100 MT1864/1865/2525/2526/2527/2528[...]

1 130 Fansink For access, remove following FRUs, in order: v “1010 Battery pack” on page 77 v “1020 Hard disk drive” on page 78 v “1030 DIMM cover” on page 79 v “1040 Mini PCI adapter , DIMM, MDC-2, and BMDC-3” on page 80 v “1080 Backup battery” on page 91 v “1050 Keyboard” on page 83 v “1060 Upper case” on page 86 v “[...]

2010 LCD bezel For access, remove following FRUs, in order: v “1010 Battery pack” on page 77 v “1020 Hard disk drive” on page 78 v “1030 DIMM cover” on page 79 v “1040 Mini PCI adapter , DIMM, MDC-2, and BMDC-3” on page 80 v “1080 Backup battery” on page 91 v “1050 Keyboard” on page 83 v “1060 Upper case” on page 86 v ?[...]

Remove LCD bezel. 2 1b 1a 1a 1b 1b 1b 1b 1b Step Screw (quantity) T orque 1a M2.5 × 5 mm, nylon-coated (2) 0.294 Nm (3 kgfcm) 1b M2 × 2.5 mm, nylon-coated (6) 0.1568 Nm (1.6 kgfcm) (continued) Removing and replacing a FRU ThinkPad X41 103[...]

When installing: first place the top edge under the frame, shown as 1 , then push the bezel down and secure with the latches, shown as 3 1 2 3 3 3 3 3 3 3 3 3 3 1 Removing and replacing a FRU 104 MT1864/1865/2525/2526/2527/2528[...]

2020 LCD For access, remove following FRUs, in order: v “1010 Battery pack” on page 77 v “1020 Hard disk drive” on page 78 v “1030 DIMM cover” on page 79 v “1040 Mini PCI adapter , DIMM, MDC-2, and BMDC-3” on page 80 v “1080 Backup battery” on page 91 v “1050 Keyboard” on page 83 v “1060 Upper case” on page 86 v “1090 [...]

2030 Inverter card For access, remove following FRUs, in order: v “1010 Battery pack” on page 77 v “1020 Hard disk drive” on page 78 v “1030 DIMM cover” on page 79 v “1040 Mini PCI adapter , DIMM, MDC-2, and BMDC-3” on page 80 v “1080 Backup battery” on page 91 v “1050 Keyboard” on page 83 v “1060 Upper case” on page 86 [...]

When installing: Attach the inverter back to its original position, as shown in step 1 . And reconnect the LCD cable and inverter cable, as shown in step 2 . Then secure with the one screw , as shown in step 3 . 2 1 3 2 2 Removing and replacing a FRU ThinkPad X41 107[...]

2040 Antenna L and antenna R For access, remove following FRUs, in order: v “1010 Battery pack” on page 77 v “1020 Hard disk drive” on page 78 v “1030 DIMM cover” on page 79 v “1040 Mini PCI adapter , DIMM, MDC-2, and BMDC-3” on page 80 v “1080 Backup battery” on page 91 v “1050 Keyboard” on page 83 v “1060 Upper case” o[...]

When installing: Put the antenna L in the two clips and put the tape back to its original place, shown as 1 and 2 , before securing it with the two screws. 1 2a 1 1 2b (continued) Removing and replacing a FRU ThinkPad X41 109[...]

Remove the antenna R. Note: For FRU LCD 92P6687 (ID T ech), remove the antenna R (without gasket) as 5a . For FRU 92P6728 (Samsung), remove the antenna R (with gasket) as 5b 2 1b 5a 3 5b 1a 4 Step Screw (quantity) T orque 3 M2 × 2.5 mm, nylon-coated (1) 0.196 Nm (2 kgfcm) (continued) Removing and replacing a FRU 11 0 MT1864/1865/[...]

Notes: 1. Choose the correct antenna R for LCD. Choose antenna R with gasket for FRU LCD 92P6728 (Samsung), while antenna R without gasket for FRU LCD 92P6687 (ID T ech). 2. When installing, align the antenna hook with the LCD edge to put the antenna R back to its original place, shown as 1 , and reattach the mylar , shown as 2 . Then p[...]

2050 Hinge L and hinge R For access, remove following FRUs, in order: v “1010 Battery pack” on page 77 v “1020 Hard disk drive” on page 78 v “1030 DIMM cover” on page 79 v “1040 Mini PCI adapter , DIMM, MDC-2, and BMDC-3” on page 80 v “1080 Backup battery” on page 91 v “1050 Keyboard” on page 83 v “1060 Upper case” on pa[...]

Remove hinge R. 2 1 1 Step Screw (quantity) T orque 1 M2 × 2.5 mm, nylon-coated (2) 0.1568 Nm (1.6 kgfcm) Removing and replacing a FRU ThinkPad X41 11 3[...]

2060 Bluetooth antenna cable For access, remove following FRUs, in order: v “1010 Battery pack” on page 77 v “1020 Hard disk drive” on page 78 v “1030 DIMM cover” on page 79 v “1040 Mini PCI adapter , DIMM, MDC-2, and BMDC-3” on page 80 v “1080 Backup battery” on page 91 v “1050 Keyboard” on page 83 v “1060 Upper case” o[...]

Locations Front view for X41 series 1 Computer display 2 System status indicators 3 Power switch 4 Security keyhole 5 Modem connector 6 Ethernet connector 7 USB connector 8 Infrared port 9 SD card slot 10 Stereo headphone jack 11 Microphone jack 12 PC card slot 13 Fingerp[...]

Rear view for X41 series 1 LCD latch 2 Standby status indicators 3 Battery status indicators 4 Bluetooth status indicators 5 AC Power connector 6 External monitor connector 7 Powered USB 2.0 connector 2 4 5 6 1 3 7 Locations 11 6 MT1864/1865/2525/2526/2527/2528[...]

Bottom view for X41 series 1 Hard disk drive 2 Mini-PCI and memory door 3 Docking connector 4 Battery pack latches 5 Battery pack 2 3 5 4 1 Locations ThinkPad X41 11 7[...]

Front View for X4 UltraBase Dock 1 Docking connector 2 Power lock knob 3 Power button 4 Ultrabay latch 5 Ultrabay status indicator 6 Ultrabay eject lever 7 Ultra Plus Note: The Ultrabay Slim accepts several storage devices, such as a DVD drive or a CD-RW drive, and also accepts an Ultrabay Slim carrier 8[...]

Rear View for X4 UltraBase Dock 1 AC-in port 2 CRT port 3 Serial port 4 Parallel port 5 RJ45 (ethernet connector) 6 RJ1 1 (modem connector) 7 USB connectors 8 PS/2 (keyboard or mouse) connector 9 Security keyhole 10 System eject button 11 System eject lever 4 5 6 9 7 8 11 10 1 2 3 Lo[...]

Parts list Overall 1 2 3 4 5 6 7 8 9 10 11 12 13 22 21 20 a 19 18 17 16 15 14 Parts list 120 MT1864/1865/2525/2526/2527/2528[...]

v Each FRU is available for all types or models, unless specific types or models are specified. v A CRU (customer-replacable 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 T ier 1 CRU; two asterisks (**) means t[...]

No. FRU P/N CRU ID 3 Hard disk drive, 40 GB, 9.5 mm, 4,200 rpm with tray and screws OP v 1864-16x v 1865-17x v 2525-14x, 15x, 18x, 1Ax, 1Bx, 1Gx, 1Kx, 1Lx, 23x, 24x, 33x, 3Bx, 3Cx, 3Dx, 43x, 45x, 47x, 48x, 4Cx, 54x, 55x, 56x, 57x, 58x, 59x, 5Gx, 5Hx, 5Zx, 64x, 65X, 68x, 69x, 6Jx, A2x, A3x, A4x, A5x, A6x, A7x, A8x, A9x, B3x, C4x, C5x, C6x, D2x[...]

No. FRU P/N CRU ID 6 ThinkPad Integrated 56K Modem (MDC-2) v 1864-1xx v 1865-1xx v 2525-1xx, 3xx, 5xx v 2526-1xx, 3xx, 5xx v 2527-1xx, 3xx, 5xx v 2528-1xx, 3xx, 5xx 93P4166 ** ThinkPad Integrated 56K Modem (MDC-2) v 2525-Axx, Cxx, Exx v 2526-Axx, Cxx, Exx v 2527-Axx, Cxx, Exx v 2528-Axx, Exx 93P4212 ** ThinkPad Integrated Bluetooth IV with 56K Mode[...]

No. FRU P/N CRU ID 10 Speaker kit 39T0802 N 11 X4 UltraBase OP 91P9282 * — UltraBase security screw 13N5332 * 12 System board for LV 1.5 GHz Dothan Alviso 256 MB with security chip v 1864-1xx v 1865-1xx v 2525-1xx, 2xx v 2526-1xx v 2527-1xx, 2xx v 2528-1xx 39T0056 N System board for LV 1.5 GHz Dothan Alviso 512 MB with security chip v 2525-[...]

No. FRU P/N CRU ID 14 Battery pack, Li-Ion, (8 cylindrical cell, 2.6 Ah) WW , Sanyo OP v 1864-16x v 1865-17x v 2525-18x, 1Ax, 1Bx, 1Gx, 1Kx, 24x, 3Bx, 3Cx, 3Dx, 45x, 47x, 48x, 54x, 55x, 56x, 57x, 58x, 59x, 5Ax, 5Bx, 5Cx, 5Dx, 5Ex, 5Hx, 5Jx, 5Zx, 68x, 69x, 6Bx, 6Cx, 6Hx, 6Jx, 6Kx, 6Lx, 6Mx, 6Nx v 2526-18x, 3Cx, 54x v 2527-1Dx, 2Ax, 55x, 5Fx, 6[...]

No. FRU P/N CRU ID 16 Intel PRO Wireless 2200BG Mini-PCI Adapter OP WW v 2525-14x, 15x, 1Ax, 1Bx, 1Gx, 1Kx, 23x, 24x, 33X, 3Cx, 43x, 45x, 47X, 53x, 54x, 64x, 68x, 6Bx, 6Dx, 6Jx, 6Lx, 6Mx (xxA, xxB, xxC, xxE, xxG, xxH, xxJ, xxK, xxL, xxM, xxP , xxQ, xxS, xxY) v 2526-3Cx, 54x, 5Zx (xxA, xxB, xxC, xxE, xxG, xxH, xxJ, xxK, xxL, xxM, xxP , xxQ, xx[...]

No. FRU P/N CRU ID 16 Intel PRO Wireless 2200BG Mini-PCI Adapter OP WW v 2525-A3x, A4x, A5x, A6x, A7x, A8x, B3x, C3x, C4x, D2x, D3x, D5x, E2x, E4x, F2x, F3x, F7x, F9x, FBx, FEx, FFx, FTx (All except xxU, xxF) v 2526-2526-C3x, E2x (All except xxU, xxF) v 2527-ACx, ADx, B2x, C2x, D8x, F4x, FKx, FMx (All except xxU, xxF) 27K9934 * Intel PRO Wire[...]

No. FRU P/N CRU ID 16 Intel PRO Wireless 2915ABG Mini-PCI Adapter OP US, Canada v 2525-C5x, E3x, E5x, F4x, E9x, EBx, F5x, F6x, F8x, F Ax, D6x, FCx, FDx, FGx (xxU) v 2527-EJx, FQx, B4x, FLx, FNx (xxU) v 2528-ELx, FPz, EMx, FRx, FSx (xxU) 27K9936 * EU v 2525-C5x, E3x, E5x, F4x, E9x, EBx, F5x, F6x, F8x, F Ax, D6x, FCx, FDx, FGx (xxG) v 2527-EJx,[...]

No. FRU P/N CRU ID 16 ThinkPad 1 1a/b/g Wireless LAN Mini PCI Adapter II OP WW v 2525-3DF , 3DM, 55F , 55M, 63G, 69M, 6CB, 6CH, 6NB, 6NH, 6NM 93P4262 * EMEA v 2525-3Dx, 48X, 4Cx, 55x, 56x, 57x, 58x, 59x, 5Ax, 5Bx, 5Cx, 5Dx, 5Ex, 5Hx, 5Jx, 63x, 65X, 69x, 6Cx, 6Ex, 6Hx, 6Kx, 6Nx (xxA, xxC, xxG, xxK, xxP , xxV , xxY) v 2527-55x, 5Fx, 67x, 6Gx, 6[...]

LCD FRUs 12.1-in. XGA TFT 1 2 3 4 5 6 7 8 9 No. FRU P/N CRU ID 1 LCD bezel assembly 12.1-in. TFT 13N5310 N 2 Antenna cable set 13N5328 N 3 Bluetooth antenna cable set 13N5329 N 4 LCD rear cover assembly , 12.1-in. TFT 13N5308 N 5 LCD hinge and bracket kit 13N531 1 N 6 LCD cable assembly 91P6830 N LCD cable assembly , Samsung 91P6861 N 7 LCD inverte[...]

Keyboard Language P/N (NMB) P/N (Chicony) CRU ID Arabic 93P4608 93P4666 ** Belgian 93P4602 93P4660 Chinese, T raditional 93P4630 93P4688 Czech 93P4618 93P4676 Danish 93P4596 93P4654 Dutch 91P8329 93P4648 English, U.K. 91P8325 93P4644 English, U.S. 91P8319 93P4638 French, Canadian 91P8321 93P4640 French, Canadian (058) 93P4748 93P4749 French, Europe[...]

For Models-xxU, xxP , xxA, xxH, xxC, xxM, xxE, xxQ, xxF , xxG, xxJ, xxV , xxB, xxK, xxS, xxY Language P/N (NMB) P/N (Chicony) CRU ID Arabic 39T0821 39T0883 ** Belgian 39T0818 39T0880 Chinese, T raditional 39T0832 39T0894 Czech 39T0826 39T0888 Danish 39T0815 39T0877 Dutch 39T0812 39T0874 English, U.K. 39T0810 39T0872 English, U.S. 39T0806 39T0868 Fr[...]

Recovery CDs For Windows XP Professional Windows XP professional is preinstalled as the operating system in following models: v 1864-16x v 1865-17x v 2525-15x, 18x, 1Ax, 1Gx, 1Lx, 23x, 24x, 33x, 37x, 3Bx, 3Cx, 3Dx, 3Ex, 3Fx, 43x, 45x, 4Cx, 53x, 54x, 55x, 56x, 57x, 58x, 59x, 5Ax, 5Bx, 5Cx, 5Dx, 5Ex, 63x, 64x, 65x, 68x, 69x, 6Dx, 6Ex, 6Hx, 6Kx, 6Lx, [...]

For Windows XP Home Edition Windows XP Home edition is preinstalled as the operating system in following models: v 2525-14x, 1Bx, 1Kx, 47x, 48x, 6Bx, 6Cx, 6Jx, 6Mx Language P/N CRU ID Chinese, Simplified 39K7745 * Chinese, T raditional 39K7746 Chinese, T raditional (Hong Kong S.A.R.) 39K7747 English, U.S. 39K7743 Japanese 39K7744 Korean 39K7748 Mis[...]

Optional FRUs FRU P/N CRU ID 256-MB DDR2-533 SDRAM SO-DIMM (PC2-4200) card 73P3841 * 1-GB DDR2-533 SDRAM SO-DIMM (PC2-4200) card 73P3845 * Hard disk drive with tray and screws 40 GB 09N4283 * Hard disk drive with tray and screws 40 GB 13N6847 * Intel PRO Wireless 2915ABG Mini-PCI Adapter 93P4235 * Intel PRO Wireless 2915ABG Mini-PCI Adapter (EMEA) [...]

AC adapters FRU P/N CRU ID 2-pin (56 W, 16 V) AC adapter OP v Models-CTO, xxE, xxF , xxJ, xxP , xxS, xxU, xxY D E LTA 02K6814 * LITEON 02K6816 * LITEON 92P1045 * 3-pin (56 W, 16 V) AC adapter OP v Models-CTO, xxA, xxB, xxC, xxG, xxH, xxK, xxM, xxQ, xxV D E LTA 02K6813 * LITEON 02K6815 * LITEON 92P1043 * Parts list 136 MT1864/1865/2525/2[...]

Common parts list T ools T ool P/N T riconnector wrap plug 72X8546 PC test card 35G4703 Audio wrap cable 66G5180 USB parallel test cable 05K2580 Screwdriver kit 95F3598 T orque screwdriver 05K4695 5 mm socket wrench 05K4694 Screwdriver 27L8126 1/4" drive spinner handle 1650840 1/4" Sq. to 1/4" hex torx adapter 93F2838 TR7-TR-10 tampe[...]

For 3-pin power cords: Country or region P/N CRU ID Australia and New Zealand 76H3514 ** China (P .R.C.) 02K0539 Denmark 76H3520 Europe 76H3518 Israel 76H3532 Italy 76H3530 Korea 76H3535 South Africa and India 76H3522 Switzerland 76H3528 U.K. 76H3524 U.S., Canada, and Thailand 76H3516 For Models-xxC, xxM, xxA, xxG, xxH, xxK Country or region P/N CR[...]

T elephone cable Country or region P/N CRU ID Australia 27L0467 ** Austria 27L0449 Belgium 27L0451 Denmark 27L0447 Finland, Norway 27L0446 France 27L0443 Germany 27L0441 Italy 27L0448 Holland 27L0444 Switzerland 27L0462 Spain 27L0450 Sweden 27L0445 U.K., Ireland, New Zealand 27L0442 U.S., Canada, Japan, T aiwan, APS, Latin America, Brazil 27L0465 P[...]

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, [...]

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 any obligation to you. Any references in this publication to non-Lenovo Web sites are provided for convenience only and do not in any [...]

T rademarks The following terms are trademarks of Lenovo in the United States, other countries or both: Lenovo ThinkLight ThinkPad ThinkPad Port Replicator T rackPoint Ultrabay The following terms are trademarks of the International Business Machines Corporation in the United States, other countries, or both: IBM (used under license) Microsoft, Win[...]

T rademarks ThinkPad X41 143[...]

Part Number: 39T5971 (1P) P/N: 39T5971[...]