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IBM Mobile Systems ThinkPad Computer Hardware Maintenance Manual October 2001 This manual support s: ThinkPad A20m, A21m, A22m (MT 2628/2633) A20p, A21p, A22p (MT 2629) ThinkPad Dock (MT 2631) .
Note Before using this information and the product it supports, be sure to read the general information under “Notices” on page 150. Second Edition (October 2001) The following paragraph does not .
About this manual This manual contains service and reference information for IBM ThinkPad A20, A21, A22 (MT2628, 2629, 2633), and ThinkPad Dock (MT2631) products.
iv ThinkPad A20m/p, A21m/p, A22m/p.
Contents About this manual ........... i i i Introduction ............. 1 Important service information ......... 1 Strategy for replacing FRUs ........ 1 How to use error messages ........ 2 Diskette compatibility matrix ......... 2 Safety notices: multilingual translations .
1040 Backup battery .......... 6 6 1050 Hard-disk drive or RF ID adapter .... 6 7 1060 Ultrabay 2000 device ........ 6 9 1070 Keyboard ........... 7 1 1080 Keyboard CRU insulator ....... 7 4 1090 Hinge cover and clear sheet icon .... 7 5 1 100 Keyboard bezel and speaker .
Introduction Important service information Important BIOS and device driver fixes are customer-installable. The BIOS and device drivers are posted on the IBM support site http://www.ibm.com/pc/support Advise customers to contact the PC Company HelpCenter at 800-772-2227 if they need assistance in obtaining or installing any diskette fixes.
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.
Safety notices: multilingual translations In this manual, safety notices appear in English with a page number reference to the appropriate multi-lingual, translated safety notice found in this section. The following safety notices are provided in English, French, German, Italian, and Spanish languages.
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.
(continuation of safety notice 2) Alcune batterie di riserva contengono una piccola quantit à di nichel e cadmio. Non smontarle, ricaricarle, gettarle nel fuoco o nell ’ acqua n é cortocircuitarle. Smaltirle secondo la normativa in vigore (DPR 915/82, successive disposizioni e disposizioni locali).
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.
(continuation of safety notice 3) Las bater í as contienen peque ñ as cantidades de n í quel. No las desmonte, ni recargue, ni las eche al fuego o al agua ni las cortocircuite. Des é chelas tal como dispone la normativa local. Utilice s ó lo bater í as que se encuentren en la lista de piezas al sustituir la bater í a.
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.
(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.
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.
Safety notice 6 DANGER T o avoid shock, do not remove the plastic cover that protects the lower part of the inverter card. Afin d ’é viter tout risque de choc é lectrique, ne retirez pas le cache en plastique prot é geant la partie inf é rieure de la carte d ’ alimentation.
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.
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.
Safety information The following section contains the safety information that you need to be familiar with before servicing an IBM mobile computer . General safety Follow these rules to ensure general safety: v Observe good housekeeping in the area of the machines during and after maintenance.
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.
Observe the special safety precautions when you work with very high voltages; these instructions 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 Mechanical hazards, such as loose or missing hardware T o 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.
v Wear a grounded wrist strap against your skin to eliminate static on your body . v Prevent the part from touching your clothing. Most clothing is insulative and retains a charge even when you are wearing a wrist strap. v Use the black side of a grounded work mat to provide a static-free work surface.
When a CD-ROM drive, DVD drive or the other laser product 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.
Opening the CD-ROM drive, DVD-ROM drive or the other optical storage device could result in exposure to hazardous laser radiation. There are no serviceable parts inside those drives. Do not open. Some CD-ROM drives, DVD-ROM drives or the other optical storage devices contain an embedded Class 3A or Class 3B laser diode.
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.
Laser compliance statement 22 ThinkPad A20m/p, A21m/p, A22m/p.
General descriptions This chapter includes descriptions for any ThinkPad model that has the PC-Doctor 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.
__ 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.
Related service information This section provides information about the following: v “ Service web site ” v “ Product recovery program ” v “ Passwords ” on page 27 v “ Power management .
Creating the service partition: T o create the Service Partition and install the preloaded system from the Recovery CD, do the following: T o create the Service Partition (SP): 1. Erase all partitions on the hard-disk drive, using FDISK or a similar application.
Recovery Repair diskette. Make a Recovery Repair diskette and save it for future use. T o make a Recovery Repair diskette: 1. Shut down and turn off the computer . 2. Attach the external diskette drive to the computer . 3. At the prompt, press F1 1. (The option to press F1 1 appears for only a few seconds.
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.
For how to remove the battery pack, see “ 1010 Battery pack ” on page 60. 3. Remove the backup battery . For how to remove the backup battery , see “ 1040 Backup battery ” on page 66. 4. Turn on the computer and wait until the POST ends. After the POST ends, the password prompt does not appear .
Power management T o reduce power consumption, the computer has three power management modes: screen blank, standby , and hibernation. Notes v Screen blank mode is called standby mode in Windows 95 and Windows NT . v Standby mode is called suspend mode in Windows 95 and Windows NT .
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.
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 F A T format. In hibernation mode, the following occurs: v The system status, RAM, VRAM, and setup data are stored on the hard disk.
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 IBM products. The use of non-IBM products, prototype cards, or modified options can lead to false indications of errors and invalid system responses.
If an error code appears, go to “ Symptom-to-FRU index ” on page 49. 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 .
5. Follow the instructions on the screen. If there is a problem, PC-Doctor shows messages describing it. 6. T o exit the test, select Quit — Exit Diag . T o cancel the test, press Esc. Note: After executing PC-Doctor , check the system time/date and reset them if needed.
v “ Checking the ac adapter ” v “ Checking operational charging ” v “ Checking the battery pack ” on page 37 v “ Checking the backup battery ” on page 37 Checking the ac adapter Y ou a.
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.
3. Remove the battery pack (see “ 1010 Battery pack ” on page 60 ). 4. Remove the backup battery (see “ Checking the battery pack ” on page 37). 5. Measure the voltage of the backup battery . See the following figure. Red (+) Black (-) Wire V oltage (V dc) Red +2.
ThinkPad A20m/p, A21m/p and A22m/p Product overview ............ 4 1 Specifications ............ 4 1 Status indicators ........... 4 4 FRU tests ............. 4 6 Fn key combinations .......... 4 8 Symptom-to-FRU index .......... 4 9 Numeric error codes .
12.1-in. panel ........... 9 6 14.1-in. and 15.0-in. panels ....... 9 7 2030 Inverter card .......... 9 9 12.1-in. panel ........... 9 9 14.1-in. and 15.0-in. panels ...... 1 0 0 2040 LCD panel ........... 1 0 1 12.1-in. panel ........... 1 0 1 14.1-in.
Product overview This section presents the following product-unique information: v “ Specifications ” v “ Status indicators ” on page 44 v “ FRU tests ” on page 46 v “ Fn key combination.
Feature Description Processor A21p v Mobile Intel ® Pentium ® III processor at 850 MHz featuring Intel ® SpeedStep ™ technology A22m v Mobile Intel ® Pentium ® III processor at 800 MHz featurin.
Feature Description Diskette drive 1.44 MB (3-mode), 3.5-inch Hard-disk drive A20m/p v 6.0 GB, 2.5-inch, IDE interface v 12.0 GB, 2.5-inch, IDE interface v 18.0 GB, 2.5-inch, IDE interface v 20.0 GB, 2.5-inch, IDE interface A21m/p v 10.0 GB, 2.5-inch, IDE interface v 20.
Status indicators The system status indicators show the status of the computer , as follows: Indicator Meaning 1 Battery Green: The battery is fully charged. Blinking green: The battery has enough power to operate, but is being charged. Orange: The battery power is low .
Indicator Meaning 4 Num lock Green: The numeric keypad on the keyboard is enabled. T o enable or disable the keypad, press and hold the Shift key while pressing the NumLk key . 5 Caps lock Green: Caps Lock mode is enabled. T o enable or disable Caps Lock mode, press Caps Lock key .
FRU tests The following table shows the test for each FRU. FRU Applicable test System board 1. Diagnostics --> CPU/Coprocessor 2. Diagnostics --> Systemboard Power Diagnostics --> Other Devices --> IBM AC Adapter , IBM Battery 1 (IBM Battery 2) LCD unit 1.
FRU Applicable test 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 Diagnostics --> Memory T est - Quick .
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 Turn off the LCD display , leaving the screen blank. T o turn the LCD display on again, press any key or the T rackPoint stick.
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.
Symptom or error FRU or action, in sequence 0190 Critical low battery error . 1. Charge the battery pack . 2. Battery pack. 0193 RF antenna has been removed. Enter the supervisor password . 0194 The computer has been carried through a security gate. Enter the supervisor password .
Symptom or error FRU or action, in sequence 0270 Real-time clock error . 1. Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date . 2. System board. 0271 Date and time error — Neither the date nor the time is set in the computer .
Error messages Symptom or error FRU or action, in sequence Device address conflict. 1. Load Setup Defaults in IBM BIOS Setup Utility . 2. Backup battery . 3. System board. Allocation error for device. 1. Load Setup Defaults in IBM BIOS Setup Utility .
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.
LCD-related symptoms Important The TFT LCD for the notebook computer contains many thin-film transistors (TFT s). 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.
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.
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.
v Make sure 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.
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 1.62, and restart the computer .
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.
1010 Battery pack DANGER Use only the battery in the parts listing for your computer . Use of an incorrect battery can result in ignition or explosion of the battery .
1020 DIMM For access, remove this FRU: v “ 1010 Battery pack ” on page 60 Note: Loosen the screw 1 , but do not remove it. (continued) Removing and replacing a FRU ThinkPad A20m/p, A21m/p an.
When installing: With the notched end of the DIMM toward the socket, insert the DIMM into the socket, then press it firmly . Pivot the DIMM until it snaps into place.
1030 Mini PCI adapter For access, remove this FRU: v “ 1010 Battery pack ” on page 60 Note: Loosen the screw 1 , but do not remove it. 2 1 (continued) Removing and replacing a FRU ThinkPad A.
For A20m/p, A21m/p series Note: The illustration shows the combo card. Connector (A) is for the LAN feature and (B) is for the modem feature. This slot also supports a Mini PCI modem card or Mini PCI network card. Step 5 depends on the card type.
For A22m/p series Note: The illustration shows the combo card. Connector (A) is for the LAN feature and (B) is for the modem feature. This slot also supports a Mini PCI modem card or Mini PCI network card. Step 4 depends on the card type. Disconnect either (A) , (B) or both.
1040 Backup battery DANGER Use only the battery in the parts listing for your computer . Use of an incorrect battery can result in ignition or explosion of the battery .
1050 Hard-disk drive or RF ID adapter Attention 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. Before removing the drive, have the user make a backup copy of all the information on the drive if possible.
When installing: Make sure that the HDD connector is firmly connected. Removing and replacing a FRU 68 ThinkPad A20m/p, A21m/p, A22m/p.
1060 Ultrabay 2000 device Any of several devices can be inserted into the Ultrabay 2000. The procedure for installing and removing is the same for every device. Note: When you release the switch in step 1 the lever pops out. Pull the lever a little in step 2 to release the device from the bay .
Removing and replacing a FRU 70 ThinkPad A20m/p, A21m/p, A22m/p.
1070 Keyboard For access, remove these FRUs, in order: v “ 1010 Battery pack ” on page 60 v “ 1050 Hard-disk drive or RF ID adapter ” on page 67 v “ 1060 Ultrabay 2000 device ” on page 69 1 Step Screw (quantity) T orque 1 M2.5 × 15 mm, nylon-coated (3) 0.
(continued) Removing and replacing a FRU 72 ThinkPad A20m/p, A21m/p, A22m/p.
When installing: When installing the keyboard, do as follows: 1. Install the new keyboard, following the directions in the figure. Make sure that the keyboard edges, shown in the figure as (A) , (B) , and (C) , are under the frame.
1080 Keyboard CRU insulator For access, remove these FRUs, in order: v “ 1010 Battery pack ” on page 60 v “ 1050 Hard-disk drive or RF ID adapter ” on page 67 v “ 1060 Ultrabay 2000 device .
1090 Hinge cover and clear sheet icon For access, remove these FRUs, in order: v “ 1010 Battery pack ” on page 60 v “ 1050 Hard-disk drive or RF ID adapter ” on page 67 v “ 1060 Ultrabay 2000 device ” on page 69 v “ 1070 Keyboard ” on page 71 v “ 1080 Keyboard CRU insulator ” on page 74 Step Screw (quantity) T orque 1 M2.
1 100 Keyboard bezel and speaker For access, remove these FRUs, in order: v “ 1010 Battery pack ” on page 60 v “ 1050 Hard-disk drive or RF ID adapter ” on page 67 v “ 1060 Ultrabay 2000 dev.
Step Screw (quantity) T orque 2 M2.5 × 15 mm, nylon-coated (2) 0.392 Nm (4 kgfcm) Cable routing: When replacing the cable, see the preceding figure for its cable routing.
1 1 10 Microphone and speaker cable For access, remove these FRUs, in order: v “ 1010 Battery pack ” on page 60 v “ 1050 Hard-disk drive or RF ID adapter ” on page 67 v “ 1060 Ultrabay 2000 .
For A22m/p series (speaker cable) When installing: Make sure that you fasten the connector firmly . Removing and replacing a FRU ThinkPad A20m/p, A21m/p and A22m/p 79.
1 120 Sub card For access, remove these FRUs, in order: v “ 1010 Battery pack ” on page 60 v “ 1050 Hard-disk drive or RF ID adapter ” on page 67 v “ 1060 Ultrabay 2000 device ” on page 69.
Step Screw (quantity) T orque 4 M2.5 × 4.8 mm, nylon-coated (1) 0.392 Nm (4 kgfcm) Removing and replacing a FRU ThinkPad A20m/p, A21m/p and A22m/p 81.
1 130 PC Card slot assembly For access, remove these FRUs, in order: v “ 1010 Battery pack ” on page 60 v “ 1050 Hard-disk drive or RF ID adapter ” on page 67 v “ 1060 Ultrabay 2000 device .
1 140 Fan assembly For access, remove these FRUs, in order: v “ 1010 Battery pack ” on page 60 v “ 1050 Hard-disk drive or RF ID adapter ” on page 67 v “ 1060 Ultrabay 2000 device ” on pag.
Installation notice for A21m/p and A22m/p series When installing the fan assembly , apply the thermal grease (05K5751) on the a -part of the fan as shown in the following figure.
1 150 Diskette drive For access, remove these FRUs, in order: v “ 1010 Battery pack ” on page 60 v “ 1050 Hard-disk drive or RF ID adapter ” on page 67 v “ 1060 Ultrabay 2000 device ” on p.
Notes: 1. The heatpipe A and the screw 1a are for the MT2628-Fxx, Gxx, Pxx, Qxx, Rxx, Sxx, Txx, Xxx, MT2633-Gxx, Txx, and MT2629. Other models do not have them. 2. Step 4 (diskette drive spacer) is only for MT2629. Other models do not have the spacer .
1 160 Upper shield For access, remove these FRUs, in order: v “ 1010 Battery pack ” on page 60 v “ 1050 Hard-disk drive or RF ID adapter ” on page 67 v “ 1060 Ultrabay 2000 device ” on pag.
1 170 TV card Note This section is only for MT2628-Fxx,-Gxx, -Sxx,-Txx, MT2633-Gxx,-Txx, and MT2629. Other models do not have the TV card. For access, remove these FRUs, in order: v “ 1010 Battery p.
1 180 CPU socket and CPU For access, remove these FRUs, in order: v “ 1010 Battery pack ” on page 60 v “ 1020 DIMM ” on page 61 v “ 1050 Hard-disk drive or RF ID adapter ” on page 67 v “.
When installing the CPU, do as shown in the figure. v Rotate the screw head ( A ) 180 ° to the direction of the arrow b to lock the CPU. v When attach the CPU to the socket, do as shown in the step c .
1 190 System board and RJ45/1 1 connector assembly For access, remove these FRUs, in order: v “ 1010 Battery pack ” on page 60 v “ 1020 DIMM ” on page 61 v “ 1030 Mini PCI adapter ” on pag.
Note: Step 4 (thermal rubbers) are only for MT2628-Pxx, -Qxx, -Rxx, -Sxx, -Txx, -Xxx, and MT2629-Hxx, -Uxx. When replacing the system board for those models, remove the thermal rubbers from the removed system board and put them onto the new system board.
Thermal rubbers location Before installing the new system board, make sure that the thermal rubbers are placed on the system board as shown in the following figures.
2010 LCD assembly For access, remove these FRUs, in order: v “ 1010 Battery pack ” on page 60 v “ 1050 Hard-disk drive or RF ID adapter ” on page 67 v “ 1060 Ultrabay 2000 device ” on page.
Step Screw (quantity) T orque 2 M2.6 × 2.8 mm, nylon-coated (2) 0.392 Nm (4 kgfcm) 4 M2.5 × 4.8 mm, nylon-coated (2) 0.392 Nm (4 kgfcm) Removing and replacing a FRU ThinkPad A20m/p, A21m.
2020 Front bezel For access, remove these FRUs, in order: v “ 1010 Battery pack ” on page 60 v “ 1050 Hard-disk drive or RF ID adapter ” on page 67 v “ 1060 Ultrabay 2000 device ” on page .
14.1-in. and 15.0-in. panels Step Screw (quantity) T orque 1 M2.5 × 4.8 mm, nylon-coated (2) 0.392 Nm (4 kgfcm) Removing and replacing a FRU ThinkPad A20m/p, A21m/p and A22m/p 97.
Note: Only the front bezel for the 15.0-in. XGA TFT (LG) has a identifying mark ( V ), as in the following figure. For the FRU list, see “ 15.0-in. XGA TFT (LG) ” on page 138.
2030 Inverter card For access, remove these FRUs, in order: v “ 1010 Battery pack ” on page 60 v “ 1050 Hard-disk drive or RF ID adapter ” on page 67 v “ 1060 Ultrabay 2000 device ” on pag.
14.1-in. and 15.0-in. panels Step Screw (quantity) T orque 1 M2.5 × 4.8 mm, nylon-coated (1) 0.392 Nm (4 kgfcm) Removing and replacing a FRU 100 ThinkPad A20m/p, A21m/p, A22m/p.
2040 LCD panel For access, remove these FRUs, in order: v “ 1010 Battery pack ” on page 60 v “ 1050 Hard-disk drive or RF ID adapter ” on page 67 v “ 1060 Ultrabay 2000 device ” on page 69.
(continued) Removing and replacing a FRU 102 ThinkPad A20m/p, A21m/p, A22m/p.
14.1-in. and 15.0-in. panels Step MT Screw (quantity) T orque 1 2628-Fxx, Pxx, Rxx, 3xx M2 × 5.7 mm, nylon-coated (4) 0.245 Nm (2.5 kgfcm) 2628-Exx, Gxx, Xxx, Txx and 2633-Gxx, Txx, 4xx M2 × 5.7 mm, nylon-coated (4) 0.167 Nm (1.7 kgfcm) 2628-Sxx and 2629 M2 × 5.
v For the 14-in. LCD, the LCD cable is taped onto the connector . T ear off the tape before disconnecting the LCD cable in step 4 . v The LCD cable for the 15.0-in. UXGA LCD (27L0598) and the LCD cable for the 15.0-in. SXGA+ LCD (27L0488) have the UltraPort connector and need step 6 .
3010 ThinkPad Dock PCI cover Before replacing the PCI cover: There are two types of ThinkPad Dock as follows: v ThinkPad Dock: FRU part no. 08N1546 (PCI cover: FRU part no. 05K6246) v ThinkPad Dock with extension plate: FRU part no. 08N1537 (PCI cover: FRU part no.
Note: Following illustration shows the PCI cover removal of ThinkPad Dock (FRU no. 08N1546.) Do the same procedure for the PCI cover removal of ThinkPad Dock with extension plate (FRU part no.
3020 ThinkPad Dock top cover Note This section is only for the ThinkPad Dock (FRU no. 08N1546.) T op cover and screw kit for ThinkPad Dock (FRU part no. 12P4143) is not available for the ThinkPad Dock with extension plate (FRU part no. 08N1537.) 1 (Rear view) Step Screw (quantity) T orque 1 M2.
2 2 2 (Bottom view) Step Screw (quantity) T orque 2 M2.5 × 4.8 mm (8) 0.392 Nm (4 kgfcm) (continued) Removing and replacing a FRU 108 ThinkPad A20m/p, A21m/p, A22m/p.
Make sure that the system lock key A is set to the Unlock position. Release the front latches in step 3 , and then remove the top cover 4 .
When replacing the top cover , do the following: v Make sure that the springs placed correctly . v Make sure that the device release lever is seated correctly .
v Make sure that the release button works correctly . Removing and replacing a FRU ThinkPad A20m/p, A21m/p and A22m/p 111.
Locations Front view 1 System status indicators 2 Battery and standby mode status indicators 3 Built-in stereo speakers 4 PC Card eject button 5 PC Card slots 6 Bay latch 7 Eject button 8 Ultrabay 2000 device Note: The Ultrabay 2000 accepts storage devices, such as a DVD drive or a CD-ROM drive.
Rear view 1 Security keyhole 2 Parallel connector 3 Modem connector 4 Network connector 5 Serial connector 6 External-monitor connector 7 Universal serial bus.
Bottom view 1 Battery pack 2 Battery pack latches 3 Mini PCI card slot 4 Docking connector 5 DIMM slot 6 Stereo headphone jack 7 Stereo line-in jack 8 D.
Parts list A series model matrix The A series includes several models. The following table summarizes the characteristics of each model, to help you determine which FRU in the part list meets your need.
Model CPU Bay device Mini PCI adapter LCD HDD A20m (Memory , 64 MB; Video memory , 8 MB) 2628-31x except 31J, 31K 2628-32x except 32J, 32K Cel 500 CD- ROM Modem 15.
Model CPU Bay device Mini PCI adapter LCD HDD A20m (Memory , 64 MB; Video memory , 8 MB) 2628-4Lx *1 CM 700G CD- ROM Modem 14.1-in. XGA 12 GB 2628-4Sx, 4Tx Combo (Intel) 2628-4Ox —— — 2628-4Wx, .
Model CPU Bay device Mini PCI adapter LCD HDD A21m (Memory , 64 MB; Video memory , 4 MB) 2628-C1x, C2x Cel 600 CD- ROM Modem 12.1-in. SVGA 10 GB 2628-C4x Combo (Intel) 2628-CXx, CYx Combo (3Com) 2628-.
Model CPU Bay device Mini PCI adapter LCD HDD A21m (Memory , 64 MB; Video memory , 8 MB) 2628-F1x, F2x except F2J CM 750G CD- ROM Modem 15.0-in. XGA 20 GB 2628-F2J Ethernet 2628-FXx, FWx Combo (3Com) .
Model CPU Bay device Mini PCI adapter LCD HDD A21p (Memory , 128 MB; Video memory , 16 MB) 2629-H1x, H2x except H2J CM 850G DVD- ROM Modem 15.0-in. UXGA 32 GB 2629-H2J Ehternet 2629-HSx, HTx Combo (In.
Model CPU Bay device Mini PCI adapter LCD HDD A22m (Memory , 64 MB; Video memory , 8 MB) 2628-S1x excepting S1J 2628-S2x excepting S2J CM 900G DVD- ROM Modem 15.0-in. SXGA+ 20 GB 2628-S1J, S2J Ethernet 2628-SAC *1 Modem 2628-SSx, STx Combo (Intel) 2628-T1x excepting T1J 2628-T2x excepting T2J *1 CM 1KG Modem 14.
Model CPU Bay device Mini PCI adapter LCD HDD A22p (Memory , 128 MB; Video memory , 16 MB) 2629-Y1x except Y1J 2629-Y2x except Y2J CM 900G CD-R/W Modem 15.
Overall 1 7 6 12 2 8 3 4 5 10 11 13 15 16 17 18 19 20 21 23 23 28a 28b 27 32 14 22 24 25 26 29 30 31 9 a 33 Parts list ThinkPad A20m/p, A21m/p and A22m/p 123.
v Each FRU is available for all types/models, unless specific types or models are given. v The FRUs marked with asterisk are CRUs (customer replacable units). v The FRUs marked with OP are also available as optional FRUs. No. FRU P/N a See “ Miscellaneous parts ” on page 145.
No. FRU P/N 4 Keyboard bezel for 12.1/14.1-in. LCD models 2628-1xx, 2xx, 4xx, Dxx, Exx, Gxx, Qxx, Txx except xxK 2628-Bxx, Xxx 2633-4xx, Gxx, Txx except xxK 08K5667 2628-1xK, 2xK, 4xK, DxK, ExK, GxK, QxK, TxK 2633-4xK, GxK, TxK 08K5669 Keyboard bezel for 12.
No. FRU P/N 9 Fan assembly 2628-Cxx, Dxx, Exx, Jxx 04P3482 2628-Fxx, Gxx, Pxx, Qxx, Rxx 2633-Gxx 2629-Fxx, Gxx, Hxx 04P3483 2628-Sxx, Txx, 2629-Uxx, 2633-Txx 26P9207 10 TV card (out only) 2628-Fxx, Gx.
No. FRU P/N 12 Mini PCI adapter Mini PCI modem card (Ambit) for A20m/p, A21m/p 2628-1 1x, 12x, 21x, 22x, 31x, 32x, 41x, 42x, 44x, 47x, 48x, 4Dx, 4Ex, 4Fx, 4Gx, 4Hx, 4Ix, Bxx except xxJ, xxK, xxA 2628-.
No. FRU P/N 13 Base cover for A20m 2628-1xx, 2xx, 3xx, 4xx except xxK, xxT , 2628-Bxx 04P3410 2628-1xK, 2xK, 3xK, 4xK 04P3412 2628-1xT , 2xT , 3xT , 4xT 04P341 1 2633-4xx except 4xK, 4xT 08K5901 2633-.
No. FRU P/N 14 Blank cap RJ45 2628-x1x, x2x, x4x except xxJ, xxK 2628-xAx, xCx except xxJ, xxK 2628-3JC, 3KC, 4Lx 2628-47G, 48G, 4DC, 4EC, 4FC, 4GC, 4HC, 4IC 2628-xSx, xTx, xWx, xXx, x1J, x1K, x2J, x2.
No. FRU P/N 15 Ultrabay 2000 device DVD-ROM drive 8x (MKE) OP 2628-Exx, Gxx 2628-Rxx except RAx, Sxx, Txx, Xxx 2629-Exx, Gxx, Hxx 2629-UUx 2633-Txx 27L3447 DVD-ROM drive (HIT ACHI) OP 2628.
No. FRU P/N 17 Battery pack (6 cell) SANYO Li-Ion (ECO) 2628-xxE, xxJ 2628-DxJ, ExJ, FxJ, GxE, GxJ, IxJ 2628-xxJ except CxJ, JxJ 2633-DxJ, ExJ, FxJ, GxE, GxJ, IxJ 02K6770* Panasonic NiMH (ECO) 2628-Cx.
No. FRU P/N 19 Hard-disk drive (18.0 GB), STD OP 2628-3JC, 3KC 2629-6xx except 60U 27L4073 Hard-disk drive (20.0 GB), STD OP 2628-Qxx, Rxx, Sxx, Xxx, T7x, T8x, TUx, TVx 2629-6Ax, 6Cx, 6Ux, 6Vx 27L4075 Hard-disk drive (20.0 GB), STD OP 2628-Fxx, Gxx, Jxx 2633-Gxx 27L3427 Hard-disk drive (20.
No. FRU P/N 21 System board for A21 Video memory 8 MB 2628-Gxx, Fxx, 2633-Gxx 08K3264 Video memory 16 MB 2629-Hxx 08K3265 System board for A22 without Video memory 2628-Sxx 26P8104 Video memory 4 MB 2.
No. FRU P/N 24 CPU, Celeron 500 MHz 2628-1xx, 3xx, 47x, 48x 08K3149 CPU, Celeron 550 MHz 2628-1Ax, 1Cx, 1Ux, 1Vx, 1ZU, 3Ax, 3Cx, 3Ux, 3Vx, 3ZU 08K321 1 CPU, Pentium III 500 MHz 2628-2xx, Bxx 10L1415 C.
No. FRU P/N 27 Spacer, diskette drive for 2629 04P3225 28a Microphone/speaker cable for A20m/A20p, A21m/A21p 2628-1xx, 2xx, 3xx, 4xx, Bxx, Dxx, Exx, Fxx, Gxx 2629-6xx, Dxx, Fxx, Gxx, Hxx 2633-4xx, Gxx.
AC adapter All of the AC adapters listed below are CRUs (customer replaceable units.) FRU P/N AC adapter (72 W), 2-pin (ASTEC) models xxE, xxF , xxJ, xxP , xxS, xxU, xxX 02K6669 AC adapter (72 W), 2-p.
14.1-in. XGA TFT Following FRUs are available for MT2628-4xx, Exx, Gxx, Txx, Xxx, MT2633-4xx, Gxx, Txx. FRU P/N LCD cover assembly 14.1 XGA 2628-4xx, Exx except xxK 2633-4xx except 4xK 08K5656 2628-4x.
15.0-in. XGA TFT (LG) Following FRUs are available for MT2628-3xx, Jxx, Pxx, Rxx. FRU P/N LCD cover assembly 15.0 XGA 2628-3xx, Jxx except xxK (without heatpipe) 26P9403 2628-3xK, JxK (without heatpipe) 26P9404 2628-Pxx, Rxx except xxK(with heatpipe) 26P9405 2628-PxK, RxK(with heatpipe) 26P9406 LCD cable 15.
15.0-in. SXGA+ TFT Following FRUs are available for MT2628-Sxx and 2629-6xx. FRU P/N LCD cover assembly 2628-Sxx except SxK (with heatpipe LM) 26P9210 2628-SxK (with heatpipe LM) 26P921 1 2629-6xx except 6xK 26P9532 2629-6xK 26P9533 LCD cable 15.0 SXGA+ (for 2629-6xx) 27L0488 LCD cable 15.
Keyboard All of the keyboards listed below are CRUs (customer replaceable units.) Language P/N A20m/p A21m/p A22m/p Arabic 02K5051 02K5476 Belgian 02K5045 02K5470 Canadian French 02K5035 02K5456 Chinese, traditional 02K5057 02K5459 Czech 02K5055 02K5480 Danish 02K5042 02K5467 Dutch 02K5039 02K5464 English, U.
Recovery CDs For Windows 98 (A22m) Language P/N Arabic 23P8930 Chinese, Simplified 27P2266 Chinese, T raditional 27P2261 Czech 23P8931 Danish 23P8897 Dutch 23P8904 English, U.
For Windows 98 (A22p) Language P/N Arabic 23P9062 Arabic (modem enabled) 14P9553 Chinese, Simplified 27P2256 Chinese, T raditional 27P2251 Czech 23P9063 Danish 23P9029 Dutch 23P9036 English, U.
For Windows 2000 (A22m) Language P/N Chinese, Simplified 27P2268 Chinese, T raditional 27P2263 For Windows 2000 (A22p) Language P/N Chinese, Simplified 27P2258 Chinese, T raditional 27P2253 For Windows 2000/Windows NT (A22m) Language P/N Arabic 23P9002 Czech 23P9003 Danish 23P8957 Dutch 23P8964 English, U.
For Windows 2000/Windows NT (A22p) Language P/N Arabic 23P9134 Arabic (modem enabled) 14P9558 Czech 23P9135 Danish 23P9089 Dutch 23P9096 English, U.S. 14P9572 English, U.
Miscellaneous parts FRU P/N Screw kit (including nylon-coated screws): v M2 x 3.6 mm, flat head (3) v M2 x 5.1 mm, flat head (5) v M2 x 5.7 mm, flat head (5) v M2 x 16 mm, bind head (3) v M2.5 x 4.8 mm, flat head (42) v M2.5 x 5.5 mm, flat head (2) v M2.
FRU P/N System miscellaneous parts (for A22m/p): v Keyboard stopper v Door , PC card slots v Door , PC card 1 slot v Spring, PC card slots door v Lens, LED hinge v Blank cap, TV connector v Eject knob.
Optional FRUs FRU P/N Ultrabay 2000 SuperDisk drive 05K9235 ZIP-250 00N8254 Multiple battery charger 02K6642 Ultrabay 2000 2nd HDD adapter 08K6067 Ultrabay 2000 battery 02K6645 UltraPort camera for MT.
Common parts list T ools T ools 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 ThinkPad hardware maintenance diskette version 1.
Power cords (docking station) IBM power cords for a specific country are usually available only in that region: For 3-pin power cords: Region P/N Argentina 36L8868 Australia, New Zealand 75H8988 Canad.
Notices References in this publication to IBM products, programs, or services do not imply that IBM intends to make these available in all countries in which IBM operates. Any reference to an IBM product, program, or service is not intended to state or imply that only that IBM product, program, or service may be used.
Notices ThinkPad A20m/p, A21m/p and A22m/p 151.
Part Number: 23P0896 (1P) P/N: 23P0896.
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Jedoch ist die eine der wichtigsten Rollen, die eine Bedienungsanleitung für den Nutzer spielt, die Hilfe bei der Lösung von Problemen mit IBM A20M. Sie finden dort fast immer Troubleshooting, also die am häufigsten auftauchenden Störungen und Mängel bei IBM A20M gemeinsam mit Hinweisen bezüglich der Arten ihrer Lösung. Sogar wenn es Ihnen nicht gelingen sollte das Problem alleine zu bewältigen, die Anleitung zeigt Ihnen die weitere Vorgehensweise – den Kontakt zur Kundenberatung oder dem naheliegenden Service.
