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IBM X24 User's Manual

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1. Chapter 3 ThinkPad X20 X21 X22 X23 X24 97 Locations Front view for X20 X21 System status indicators Power switch Battery and standby mode status indicators USB port H Hard Disk Drive Ultraport connector Think Light El Volume Buttons El ThinkPad Button TrackPoint pointing stick TrackPoint Buttons Front view for X22 System status indicators Power switch Battery and standby mode status indicators El USB port E Hard Disk Drive 98 ThinkPad X20 X21 X22 X23 X24 D Ultraport connector Think Light Transmitter antenna El Volume Buttons ThinkPad Button TrackPoint pointing stick TrackPoint Buttons Front view for X23 X24 System status indicators E Power switch Battery and standby mode Bluetooth Power burtton and status indicators El Bluetooth power button Bluetooth model Only H USB port D Hard Disk Drive Ultraport connector Think Light El Transmitter antenna Volume Buttons Chapter 3 ThinkPad X20 X21 X22 X23 X24 99 ThinkPad Button TrackPoint pointing stick TrackPoint Buttons 100 ThinkPad X20 X21 X22 X23 X24 Rear view for X20 X21 Headphone jack E Mic jack Compact flash slot PC card slot PC Card eject button Security keyhole Power jack Universal serial bus USB connector H External monitor connector Line in jack LAN connector Modem connector Rear view for X22 X23 X24
2. Chapter 3 ThinkPad X20 X21 X22 X23 X24 113 For X22 No FRU P N 1 Hinge cover 26P9827 2 KBD Control Panel X22 26P9829 3 Keyboard FRU 4 Keyboard bezel 114 ThinkPad X20 X21 X22 X23 X24 Keyboard bezel 26P9815 Keyboard bezel Korea 26P9816 5 Insulation 26P9833 6 Mini PCI Combo card STRATA 06P3809 Mini PCI Combo card 3COM 22P6753 Mini PCI modem Ambit 08K4853 Mini PCI Combo Card 802 11b 12P3637 Actiontec 7 Modem Cable Conn ASM RJ11 RJ45 2710696 8 Card Bus Slot 04P3180 9 FAN W O HeatPipe 46L4936 10 Speaker 26P9814 11 Planar Tual 800MHZ W chip W O 1394 12P3779 A6 B1 A4 BO 26P8173 Tual 800MHZ W O Cript chip W O 12P3783 1394 A6 B1 A4 BO 26P8174 Tual 733MHZ W O Cript chip W O 12P3787 1394 A6 B1 A4 BO 26P8176 Tual 800MHZ W Cript chip W 1394 12P3791 A6 B1 A4 BO 26P8201 Tual 800MHZ W O Cript chip W 1394 12P3795 A6 B1 A4 BO 26P8202 Tual 733MHZ W O Cript chip W 1394 12P3799 A6 B1 A4 BO 26P8203 12 CF Dummy Socket 04P3184 13 Base Cover FRU 14 RTC Battery Asm 02K6715 15 HDD 10 GB Cascade 27L4362 HDD 20 GB Cascade 08K9723 HDD 30 GB Cascade 08K9721 HDD 20GB Hitachi Dogwood 08K9727 HDD 30GB Hitachi Dogwood 08K9725 16 Memory Cover 26P9817 17 Battery Li lon 4cell Sanyo W W 02K6837 Battery Li lon 4cell Sanyo Japan 02K6839 Bat
3. Chapter 3 ThinkPad X20 X21 X22 X23 X24 91 Step Screw quantity Torque M2 6 x 5mm 3 BK 29 4 Ncm 3 kgfcm 92 ThinkPad X20 X21 X22 X23 X24 1210 LCD panel Battery pack 1010 Keyboard assembly 1050 Wirelesslan assembly 1110 LCD assembly 1120 Front bezel 1200 XGA for X20 X21 Step Screw quantity Torque M2 x 3 5mm 5 BK 19 6 Ncm 2 kgfcm B M2 6 x 4mm 2 BK 29 4 Ncm 3 kgfcm Step Screw quantity Torque H M2 x 3mm 4 WH 19 6 Nem 2 kgfcm Chapter 3 ThinkPad X20 X21 X22 X23 X24 93 Step Screw quantity Torque H M2 x 3 5mm 2 BK 19 6 Ncm 2 kgfcm SVGA for X20 X21 Step Screw quantity Torque H M2 x 2 7mm 4 White 19 6 Ncm 2 kgfcm B M2 x 3 5mm 1 BK 19 6 Ncm 2 kgfcm H M2 6 x 4mm 1 BK 29 4 Ncm 3 kgfcm 94 ThinkPad X20 X21 X22 X23 X24 Step Screw quantity Torque M2 x 3 5mm 2 BK 19 6 Ncm 2 kgfcm Chapter 3 ThinkPad X20 X21 X22 X23 24 95 XGA for X22 X23 X24 2 Step Screw quantity Torque H M2 x 3 5mm 5 BK 19 6 Ncm 2 kgfcm B M2 6 x 4mm 2 BK 29 4 Nem kgfcm Step Screw quantity Torque B M2 x 3mm 4 WH 19 6 Ncm 2 kgfcm 96 ThinkPad X20 X21 X22 X23 X24 Step Screw quantity Torque M2 x 3 5mm 2 BK 19 6 Nem 2 kgfcm
4. 67 frame 2 Align the tabs of the keyboard with the corresponding slots then press the keyboard until it snaps into place 1060 KBD Control Panel Assemble Battery pack 1010 Keyboard assembly 1050 Chapter 3 ThinkPad X20 X21 X22 X23 X24 Align the KBD Control Panel hooks with the La corresponding slots like the picture 2 Press the KBD Control Panel until its snaps fit 68 ThinkPad X20 X21 X22 X23 X24 1070 Mini PCI adapter For X20 X21 Battery pack 1010 Keyboard assembly 1050 For X22 X23 X24 Battery pack 1010 Keyboard assembly 1050 Chapter 3 ThinkPad X20 X21 X22 X23 X24 69 1080 CDC adapter For X22 X23 X24 Battery pack 1010 Keyboard assembly 1050 FRU P N Antenna RF Connector removal tool 08K7159 70 ThinkPad X20 X21 X22 X23 X24 Step Screw quantity Torque M2 x 3 5mm 2 Nylock coated Silver 1090 BDC adapter For X23 X24 Battery pack 1010 Keyboard assembly 1050 Chapter 3 ThinkPad X20 X21 X22 X23 X24 19 6 Ncm 2 kgfcm 71 Step Screw quantity Torque 4a M2 x 3 5mm 2 19 6 Ncm 2 kgfcm Nylock coated Silver 1100 Fan assembly Battery pack 1010 Keyboard assembly 1050 For X20 X21 Step Screw quantity To
5. 1 DIMM 2 System board Error messages Symptom or error Device address conflict FRU or action in sequence 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 2 Backup battery 3 System board Failing bits nnnn 1 DIMM 2 System board Invalid system configuration data 1 DIMM 2 System board device IRQ conflict 1 Load Setup Defaults in IBM BIOS Setup Utility 2 Backup battery 3 System board Operating system not found 1 Enter IBM BIOS Setup Utility and see whether the hard disk drive and the diskette drive are properly identified 2 Diskette drive Hard disk drive System board 50 ThinkPad X20 X21 X22 X23 X24 Hibernation error 1 Restore the system configuration to what it was the before the computer entered hibernation mode 2 If memory size has been changed re create the hibernation file Operating system not found 1 Reseat the hard disk drive 2 Check the boot sequence by use of IBM BIOS Setup Fan error 1 Fan Beep symptoms Symptom or error FRU or action in sequence One beep and a blank unreadable or flashing LCD 1 Reseat the LCD connector LCD assembly System board One long and two short beeps and a blank or unreadable LCD
6. a Ifthe voltage is correct replace the system board b If the voltage is not correct replace the backup battery c If the backup battery discharges quickly after replacement replace the system board 38 ThinkPad X20 X21 X22 X23 X24 Chapter 3 ThinkPad X20 X21 X22 X23 X24 Product overview 42 Specifications 42 Status indicators 45 key combinations 47 Symptom to FRU index 48 Numeric error codes 48 Error messages 50 Beepsymptoms 51 Nobeepsymptoms 51 LCD related symptoms 52 Intermittent problems D Undetermined problems 58 FRU replacement notices 54 Screw notices Ws Ee uh dk 2054 Retaining serial numbers EE 55 Restoring the serial number of the system unit 55 Retaining the UUID 56 Removing and replacing FRU 57 1010 Battery pack 58 1020DIMM w 59 1030 Backup battery 60 1040 Hard disk drive DI 1050 Keyboard 63 20 X21 e a 63 For X22 X23 X24 s We ue 3465 1060 KBD Control Panel Assemble so i amp Of 1070 Mini PCI adapter 69 For X20 X21 69
7. 181 132 133 183 183 134 135 135 136 41 Product overview This section presents the following product unique information Specifications Status indicators Fn key combinations Specifications The following table lists the specifications of the ThinkPad X20 X21 X22 X23 X24 series Feature Processor Description X20 X21 ntel mobile Pentium9III 700MHz L2 256 KB cache Intel Celeron processor 600MHz L2 128 KB cache ntel Celeron processor 500MHz L2 128 KB cache X22 Intel mobile 733MHz L2 512KB cache ntel mobile Pentium III M 800MHz L2 512KB cache X23 Intel mobile 800MHz L2 512KB cache Intel mobile Pentium III M 866MHz L2 512KB cache X24 Intel mobile 1 06GHz L2 512KB cache Intel mobile Pentium III M 1 13GHz L2 512KB cache Bus architecture X20 X21 PCI BUS X22 X23 X24 Hub Architecture PCI LPC BUS 42 ThinkPad X20 X21 X22 X23 X24 Memory standard Memory optional X20 X21 64 MB on the system board 128 MB on the system board X22 X23 X24 128 MB on the system board 256 MB on the system board plus 128 MB DIMM X20 X21 64 MB 128 MB or 256 MB SDRAM card maximum of 320 384 MB X22 X23 X24 64 MB 128 MB 256 MB or 512 MB SDRAM card maximum of 640 MB CMOS RAM X20 X2
8. Erase all partitions on the hard disk drive using FDISK or similar application Boot with Recovery CD and boot diskette if required A menu will appear stating Your computer originally included a Product Recovery program Reinstall the Product Recovery Program Y N Note If the hard disk drive contains any partitions you will not receive this menu go to step 1 Enter Y and Service Partition will be created and loaded with Product Recovery Program files Note If you do not want to create Service Partition press N and then go to the Install preloaded system from CD procedure Press ENTER at next window to continue Service Partition will be created System will automatically reboot during this process Recovery process will copy some files to the Service Partition PKUNZIP others Follow prompts you may be prompted to change CDs System will reboot When completed continue with Install preloaded system from CD procedure to install preloaded system Install preloaded system from CD de 2 Boot with Recovery CD and boot diskette if required If the hard disk drive is blank a menu will appear stating Your computer originally included a Product Recovery program Reinstall the Product Recovery Program Y N To install Service Partition go to step 4 of To create Service Partition SP procedure To preload hard disk drive without installing Servi
9. 12 1 inch SVGA TFT 12 1 inch XGA TFT X22 X23 X24 System For X20 X21 For X22 For X23 For X24 Keyboard For X20 X21 For X22 X23 X24 Base Cover FRU For X20 For X21 For X22 For X23 For X24 Recovery CDs for X21 Beries Windows 98 recovery CDs Windows 2000 recovery CDs Windows 2000 Windows NT recovery CDs Windows Me recovery CDs Recovery CDs for X22 Series 40 ThinkPad X20 X21 X22 X23 X24 85 85 86 87 87 88 89 89 90 90 791 92 93 94 95 2 97 98 98 98 a 099 101 101 103 104 104 104 105 105 106 107 107 108 111 x 12 112 114 117 120 121 121 121 122 122 123 123 123 124 124 124 125 125 126 126 Windows 98 recovery CDs Windows 2000 recovery CDs Windows XP Pro recovery CDs Windows XP Home recovery CDs Recovery CDs for X23 Series Windows 2000 recovery CDs Windows XP Pro recovery CDs Windows XP Home recovery CDs Recovery CDs for X24 Series Windows 2000 recovery CDs Windows XP Pro recovery CDs Windows XP Home recovery CDs Miscellaneous parts For X20 X21 For X22 X23 ForX24 Options FRU list For X20 X21 For X22 X23 X24 Common parts list X20 X21 X22 X23 X24 Tools Power code system Chapter 3 ThinkPad X20 X21 X22 X23 X24 126 126 127 127 128 128 128 129 129 129 130 181 181
10. For X22 X28 X24 D I 1080 CDC adapter 70 For X22 X23 X24 1090 BDC adapter 71 For X23 X24 72 1100 Fan assembly 72 ForX20 X21 5 lt s 4 12 ForX22 X28 a 4 2 2 2 o 78 ForX24 o 1110 Wirelesslan assembly for X22 X23 X24 22 74 1120 LCD assembly uud uen ua o ForX20 X21 Q ow o 16 For X22 X23 X24 s 78 1130 Case Keyboard deck 79 For X20 X21 80 For X22 X293 X24 s 81 1140 Speaker 82 20 X21 82 X22 X28 X24 88 1150 PC Card slot assembly 84 ForX20 X21 84 39 For X22 X23 X24 1160 IRDA Port For X22 X23 X24 1170 RJ11 RJ45 For X20 X21 For X22 X23 X24 1180 System board For X20 X21 For X22 X23 For X24 z 1190 LCD USB cover 1200 Front bezel 1210 LCD panel XGA for X20 X21 SVGA for X20 X21 XGA for X22 X23 X24 Locations Front view for X20 X21 Front view for 22 Front view for X23 X24 Rear view for X20 X21 Rear view for X22 X23 X24 Bottom view Parts List X20 series model natrix X21 series model matrix X22 series model matrix X23 series model matrix X24 series model matrix LCD FRU 12 1 inch XGA TFT X20 X21
11. Headphone jack E Mic jack Compact flash slot Chapter 3 ThinkPad X20 X21 X22 X23 X24 101 El PC card slot PC Card eject button D IrDA port Security keyhole Bl Power jack H External monitor connector Universal serial bus USB connector Line in jack LAN connector Modem connector 102 ThinkPad X20 X21 X22 X23 X24 Bottom view Battery Pack Battery Pack latches Docking connector El Memory cover LCD latches Chapter 3 ThinkPad X20 X21 X22 X23 24 103 Parts List X20 series model matrix The X20 series includes several models The following table summaries the characteristics of each model to help you determine which FRU in the part list meets your need CPU LCD Mini PCI 2662 11X 12C Celeron 500 LV 12 1 TFT SVGA V 90 DF Modem 2661 21J 22J Celeron 500 Lv 12 1 TFT XGA V 90 DF Modem 2661 24J 25J Celeron 500 LV 12 1 TFT XGA Intel Ether Combo 2662 31X 32X Pentium 600 12 1 TFT XGA V 90 DF Modem LV 2662 34X 35X Pentium 600 12 1 TFT XGA Intel Ether Combo LV 2662 36X 37X Pentium i1600 12 1 TFT XGA 3COM Ether LV Combo 2662 38X 39X Pentium eoo 121 XGA Empty Slot LV X21 series model matrix The X22 series includes several models The following table summaries the characteristics of each model to he
12. clear the error log and run the test again If the error does not recur do not replace the FRU Be careful not to replace nondefective FRU Service applied by an unauthorized trained Thinkpad technician may potentially void your warranty 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 2 Date of service 3 Date on which the machine failed 4 Date of purchase 21 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 Failing FRU name and part number 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 The following list provides 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 The following are not covered under warranty LCD panel cracked from the application of exces
13. French 02K6050 LA Spanish 02K6051 Chapter 3 ThinkPad X20 X21 X22 X23 X24 121 Japanese 02K6052 Korean 02K6054 Traditional Chinese 02K6055 UK English 02K6056 German 02K6057 French 02K6058 Italian 02K6059 Swiss 02K6060 Dutch 02K6061 Belgian 02K6062 Spanish 02K6063 Portuguese 02K6064 Swedish Finnish 02K6065 Norwegian 02K6066 Danish 02K6067 Russian 02K6068 Turkish 02K6069 Hebrew 02K6108 Arabic 02K6071 Czech 02K6072 Greek 02K6073 Hungarian 02K6074 Slovakian 02K6075 Slovenian 02K6076 Thai 02K6078 Base Cover FRU For X20 FRU P N 2660 W W 04P3155 2660 Korea 04P3453 2660 China 04P3454 2660 Taiwan 04P3455 2661 W W 04P3456 2661 Korea 04P3457 2661 China 04P3458 2661 Taiwan 04P3459 2662 W W 04P3460 2662 Korea 04P3461 122 ThinkPad X20 X21 X22 X23 X24 2662 China 04P3462 2662 Taiwan 04P3463 2661 W W i Series 04P3464 For X21 FRU P N 2660 W W 26P9213 2660 Korea 26P9214 2660 China 26P9215 2662 W W 26P9216 2662 China 26P9218 2662 Korea 26P9217 For X22 FRU P N 2660 Antenna model W W 26P9800 2660 Antenna model Korea 26P9801 2660 Antenna model China 26P9802 2660 Non Antenna model W W 26P9803 2660 Non Antenna model Korea 26P9804 2660 Non Antenn
14. Radiaci n l ser al abrir No mire fijamente ni examine con instrumental ptico el haz de luz Evite la exposici n directa al haz 20 ThinkPad X20 X21 X22 X23 X24 Chapter 2 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 Important notes Only certified trained personnel should service the computer Read the entire FRU removal and replacement page before replacing any FRU Use new nylon coated screws when you replace FRUs Be extremely careful during such write operations as copying saving or formatting Drives in the computer that you are servicing may have had their start sequence altered If you select an incorrect drive data or programs might be overwritten Replace FRUs only for the correct model When you replace a FRU make sure 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 reoccurs If you suspect that a FRU is defective
15. W O 46L6611 1394 Tual 1 13GHZ W O Cript Chip W 1394 26P8299 Tual 1 13GHZ W Cript Chip W 1394 46L6613 12 CF Dummy Socket 04P3184 13 Base Cover FRU 14 RTC Battery Asm 02K6715 15 HDD 30 GB IBM Cascade 08K9721 HDD 20 GB IBM Cascade 08K9723 HDD 30 GB Hitachi Dogwood 08K9725 HDD 20 GB Hitachi Dogwood 08K9727 16 Memory Cover 26P9817 17 Battery Li lon 6cell Sanyo WW 02K6758 Battery Li lon 6cell Panasonic 02K6760 Battery Li lon 6cell Sanyo Japan 02K6845 Battery Li lon 6cell Panasonic Japan 02K6846 18 Screw Cap Bottom 46L4985 19 BDC Board 26P8071 20 IR Sub card 26P8168 IR 1394 Sub card 26P8169 21 Gasket 802 11b Combo Card 46L4908 120 ThinkPad X20 X21 X22 X23 X24 Keyboard For X20 X21 Language P N US English 02K5883 Canadian French 02K5884 LA Spanish 02K5885 Japanese 02K5886 Japanese iSeries 02K5764 Korean 02K5887 Traditional Chinese 02K5888 UK English 02K5889 German 02K5890 French 02K5891 Italian 02K5892 Swiss 02K5893 Dutch 02K5894 Belgian 02K5895 Spanish 02K5896 Portuguese 02K5897 Swedish Finnish 02K5898 Norwegian 02K5899 Danish 02K5900 Russian 02K5901 Turkish 02K5902 Hebrew 02K5903 Arabic 02K5904 Czech 02K5905 Greek 02K5906 Hungarian 02K5907 Slovakian 02K5908 Slovenian 02K5909 Poland 02K5910 Thai 02K5911 For X22 X23 X24 Language P N US English 02K6049 Canadian
16. X21 Series Windows 98 recovery CDs Language P N English modem disabled 23P8487 English 23P9728 Norway 23P8499 Netherland 23P8498 Finland 23P8497 Italy 23P8496 Spanish 23P8494 LA Spanish 23P8489 Denmark 23P8491 Sweden 23P8495 French 23P8492 124 ThinkPad X20 X21 X22 X23 X24 Canadian French 23P8488 German 23P8493 Thailand 14P8967 Portuguese 23P8490 Japan 27P1907 Traditional Chinese 27P1827 Simplified Chinese 27P1840 Turkey 23P8528 Greek 23P8529 Hungary 23P8530 Russian 23P8531 Slovenian 23P8532 Slovakian 23P8533 Polish 23P8527 Hebrew 23P8526 CZ 23P8525 Arabic 23P8524 Windows 2000 recovery CDs Language P N Turkey 23P8600 Greek 23P8601 Russian 23P8603 Slovenian 23P8604 Slovakian 23P8605 Polish 23P8599 Hebrew 23P8598 CZ 23P8597 Arabic 23P8596 Windows 2000 Windows NT recovery CDs Language P N English modem disabled 23P8547 English 23P9717 Norway 23P8559 Netherland 23P8558 Finland 23P8557 Italy 23P8556 Spanish 23P8554 LA Spanish 23P8549 Chapter 3 ThinkPad X20 X21 X22 X23 X24 125 Denmark 23P8551 Sweden 23P8555 French 23P8552 Canadian French 23P8548 German 23P8553 Portuguese 23P8550 Japan 27P1909 Traditional Chinese 27P1831 Simplified
17. X24 Note Screen blank mode in Windows 98 is called standby mode in Windows 95 To enter screen blank mode press Fn F3 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 The LCD is powered off The hard disk drive is powered off The CPU stops Note Screen blank mode in Windows 98 and Windows 2000 is called standby mode in Windows 95 To enter standby mode do any of the following Press Fn F4 Close the LCD cover To prevent the computer from entering standby mode when the LCD is closed click Will not suspend even if LCD is closed in the Power Management Properties window Then only the LCD turns off In certain circumstances the computer goes into standby mode automatically f 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 the time set If the AC adapter is plugged in 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 Even if you don t set the low battery alarm the charge indicator lets you know that the battery i
18. cause electrical shorts Avant de remettre l ordinateur sous tension apr s remplacement d une unit en client le v rifiez que tous les ressorts vis et autres pi ces sont bien en place et bien fix es Pour ce faire secouez l unit et assurez vous qu aucun bruit suspect ne se produit Des pi ces m talliques ou des copeaux de m tal pourraient causer un court circuit Bevor nach einem FRU Austausch der Computer wieder angeschlossen wird muf sichergestellt werden keine Schrauben Federn oder andere Kleinteile fehlen oder im Geh use vergessen wurden Der Computer gesch ttelt und auf Klapperger usche gepr ft werden Metallteile oder splitter Kurzschl sse erzeugen Prima di accendere l elaboratore dopo che 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 ci 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 dem s piezas pequefias se encuentran en su sitio y no se encuentran sueltas dentro del sistema Compru belo agitando el sistema y escuchando los posibles ruidos que provocar an Las piezas met licas pueden causar cortocir
19. 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 60 and restart the computer 2 Select 4 Assign UUID from the main menu A new UUID is created and written If a valid UUID already exists it is not overwritten 56 ThinkPad X20 X21 X22 X23 X24 Removing and replacing a FRU This section presents information and drawings for use in removing and replacing a FRU Be sure to observe the following general rules 1 Do not try to service the computer unless you have been trained and certified An untrained person runs the risk of damaging parts 2 Before replacing any FRU review FRU replacement notices on page 54 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 indicated in the drawings by the numbers in square callouts 5 When turning a screw to replace a FRU turn it in the direction indicated by the arrow in the drawing 6 When removing the FRU move it in the direction indicated by the arrow in the drawing 7 To put the new FRU in place reverse the removal procedure and follow any notes t
20. viter tout risque d exposition au rayon laser respectez les consignes de r glage et d utilisation des commandes ainsi que les proc dures d crites Werden Steuer und Einstellelemente anders als hier festgesetzt verwendet kann gefahrliche Laserstrahlung auftreten Az itt el rt elj r sokt l be ll t sokt l s vez rl sekt l elt rni a l zersug rz s vesz lye miatt kock zatos L utilizzo di controlli regolazioni o l esecuzione di procedure diverse da quelle specificate possono provocare l esposizione a Pouzitie kontr l alebo inych vykonani od inych vyrobcov ako je v tomto pecifikovan mohlo by mat za n sledok nebezpecenstvo vystavenia sa vyZiarovaniu El uso de controles o ajustes o la ejecuci n de procedimientos distintos de los aqu especificados puede provocar la exposici n a radiaciones peligrosas Laser radiation Opening the CD ROM drive could result in exposure to hazardous laser radiation There are no serviceable parts inside the CD ROM drive Do not open 18 ThinkPad X20 X21 X22 X23 X24 Some CD ROM drives contain an embedded Class 3A or Class 3B laser diode Note the following Chapter 1 Introduction 19 DANGER L
21. 0 Hebrew 32P6129 CZ 32P6128 Arabic 32P6127 Traditional Chinese 62P9205 Hong Kong Traditional Chinese 62P8473 Simplified Chinese 62P9207 Japan 62P8846 Windows XP Home recovery CDs Language P N English US 32P6288 Traditional Chinese 62P9206 Hong Kong Traditional Chinese 62P8498 Simplified Chinese 62P9208 Miscellaneous parts For X20 X21 FRU P N Screw kit for i Machine 04P3181 HDD Metal Case 04P3165 HDD Door 04P3166 HDD Screw 04P3167 MISC PCB 08K3225 Track Point Cap 84G6536 HEXA Screw 04P3405 M2 x 3mm WH 04P3402 M2 x 3 5mm BK 04P3404 M2 x 4 5mm BK for KBD 04P3182 M2 x 4 5mm WH 04P3406 M2 x 6mm BK 04P3403 M2 x 8mm BK for Hinge Top 04P3400 M2 6 x 4mm BK 04P3401 M2 6 x 5mm BK 08K7092 M2 x 3 5mm BK Head 0 6T 04P3407 M2 x 2 7mm WH 0 8 for LCD 08K7093 M3 x 3mm Red for HDD Side 04P3399 Chapter 3 ThinkPad X20 X21 X22 X23 X24 131 M3 x 3 5mm BK For Bottom HDD 04P3408 Screw Cap LCD Front Black 04P3529 Screw Cap LCD XGA side Black 08K7062 KBD Misc 26P9179 Misc Parts Kit 04P3156 LCD Misc SVGA 04P3176 LCD Misc XGA 04P3177 Tape 04P3703 For X22 X23 FRU P N Screw kit for 10 systems 26P9830 HDD Metal Case 26P9818 HDD Lid 04P3166 HDD Screw 04P3167 MISC PCB 08K3225 Track Point Cap 84G6536 Screw Cap for 10 systems 26P9831 KBD Misc 26P9828 Misc Parts Kit 26P9812 LCD Misc XGA 26p9826 LCD Misc W O Ante
22. 03 Audio wrap cable 66G5180 USB parallel test cable 05K2580 USB FDD Tool Kit 27L3452 Screwdriver kit 95F3598 Torque screwdriver 05K4695 5mm socket wrench 05K4694 Screwdriver 27L8126 ThinkPad hardware maintenance diskette version Download the file from the Web site Power code system IBM power cords for a specific country are usually available only in that region For 2 pin power cords Region P N Canada Thailand United States of America 13H5264 For 3 pin power cords X20 X21 Region P N Canada Thailand United States of America 76H3516 Japan 13H5273 Australia New Zealand 76H3514 Korea 76H3535 PRC 02K0539 Europe France Germany etc 76H3518 Argentina 36L8870 Denmark 76H3520 South Africa India 76H3522 Switzerland 76H3528 ltaly 76H3530 Israel 76H3532 UK 76H3524 Chapter 3 ThinkPad X20 X21 X22 X23 24 135 For 3 pin power cords X22 X23 X24 Region P N Canada Thailand United States of America 76H3516 Japan 13H5273 Australia New Zealand 76H3514 Korea 76H3535 PRC 02K0539 Europe France Germany etc 76H3518 Argentina 368867 Denmark 76H3520 South Africa India 76H3522 Switzerland 76H3528 Italy 76H3530 Israel 76H3532 UK 76H3524 AC adapter X20 X21 IBM power cords for a specific country are usually available only in that region Region P N 72W
23. 1 114 bytes 4 Kbytes X22 X23 X24 256bytes Display X20 X21 12 1 inch 16M colors SVGA 800x600 resolution TFT color LCD 12 1 inch 16M colors XGA 1024x768 resolution TFT color LCD X22 X23 X24 12 1 inch 16M colors XGA 1024x768 resolution TFT color LCD Hard disk drive X20 X21 10GB 20GB X22 10GB 15GB 20GB 30GB X23 X24 20GB 30GB port X20 X21 USB RJ11 RJ45 VGA Mic Line in Headphone Docking 1394 Some Models X22 X23 X24 USB RJ11 RJ45 VGA Mic IrDA Line in Headphone Docking 1394 Some Models Internal modem X20 X21 X22 X23 X24 V 90 D F Chapter 3 ThinkPad X20 X21 X22 X23 X24 43 Audio X20 X21 CS4281 CS4297A Mono Speaker X22 X23 X24 CS4299 Mono Speaker PC Card X20 X21 X22 X23 X24 T2 Cardbus AC adapter X20 X21 72W AC DC X22 X23 X24 56W AC DC Status indicators The system status indicators show the current computer status in different colors green or orange Indicator Meaning Battery Green The battery is fully charged Blinking green The battery has enough power to operate but is charging Orange The battery power is low The battery is charging Blinking orange The battery needs charging 44 ThinkPad X20 X21 X22 X23 X24 H Standby status Green The computer is in standby mode Blinking green The co
24. 1 Combo amp 1 13GHz EDC 2662 MLx M6x M4x 12 1 TFT XGA Strata amp BDC 2662 FBx F5x F1x 106 ThinkPad X20 X21 X22 X23 X24 Pentium WM 12 1 TFT XGA 90 DF Modem D F 1 06GHz LCD FRU 12 1 inch XGA TFT X20 X21 No Description FRU No 1 LCD front Bezel BK 04P3174 2 Hinges 04P3169 3 LCD panel IBM 05K9676 4 Inverter card Powernet 26P8018 Inverter card ALPS 26P8020 Chapter 3 ThinkPad X20 X21 X22 X23 X24 107 Inverter card NMB 26P8021 5 LCD Interface cables 12 1 XGA 27L0584 6 LCD USB Cover 04P3179 7 LCD Rear Cover BK 04P3171 LCD Rear Cover BK Korea 04P3526 12 1 inch SVGA TFT No Description FRU No 1 LCD front Bezel 04P3173 2 LCD panel LG Philips 05K9675 3 Inverter card Powernet 26P8017 Inverter card ALPS 26P8019 108 ThinkPad X20 X21 X22 X23 X24 4 LCD Interface cables 12 1 SVGA 27L0583 5 LCD USB Cover 04P3179 6 Hinges 04P3168 7 LCD Rear Cover BK 04P3170 LCD Rear Cover BK Korea 04P3527 Chapter 3 ThinkPad X20 X21 X22 X23 X24 109 12 1 inch XGA TFT X22 X23 X24 110 ThinkPad X20 X21 X22 X23 X24 No Description FRU No 1 LCD front Bezel BK 26P9823 2 Hinges 26P9825 3 LCD panel IBM 05K9961 4 Inverter card ALPS 26P8180 Inverter card Powernet 26P8178 Inve
25. 110 LCD assembly 1120 Case keyboard deck 1130 Speaker 1140 PC Card slot assembly 1150 IRDA Port 1160 For X20 X21 Step Screw quantity Torque M2 x 6mm Nylock coated 2 BK 19 6 Ncm 2 kgfcm Chapter 3 ThinkPad X20 X21 X22 X23 X24 87 For X22 X23 X24 19 6 Ncm 2 kgfcm o 3 2 9 x 8 gt SI 2 l N 5 o am 88 ThinkPad X20 X21 X22 X23 X24 1180 System board Battery pack 1010 Keyboard assembly 1050 CDC adapter 1080 BDC adapter 1090 Fan assembly 1100 Wirelesslan assembly 1110 LCD assembly 1120 Case keyboard deck 1130 Speaker 1140 PC Card slot assembly 1150 IRDA Port 1160 RJ11 RJ45 1170 note CF dummy socket is needed to be removed before planar replacement For X20 X21 Step Screw quantity Torque M2 x 3mm 1 White 19 6 Ncm 2 kgfcm Chapter 3 ThinkPad X20 X21 X22 X23 24 89 For X22 X23 Step Screw quantity Torque M2 x 3 5mm 1 Silver 19 6 Ncm 2 kgfcm For X24 Step Screw quantity Torque M2 x 3 5mm 1 Silver 19 6 Ncm 2 kgfcm B M2 x 3mm 1 White 19 6 Ncm 2 kgfcm 90 ThinkPad X20 X21 X22 X23 X24 1190 LCD USB cover 1200 Front bezel Battery pack 1010 Keyboard assembly 1050 Wirelesslan assembly 1110 LCD assembly 1120
26. 15 minutes Seek medical care if any symptoms from the fluid are present after washing Si le panneau d affichage 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 m decin si des sympt mes persistent apr s le lavage Die Leuchtstoffr hre im LCD Bildschirm enth lt Quecksilber Bei der Entsorgung die rtlichen Bestimmungen f r Sonderm ll beachten Der LCD Bildschirm besteht aus Glas und kann zerbrechen wenn er unsachgem f behandelt wird oder der Computer auf den Boden f llt Wenn der Bildschirm besch digt ist und die darin befindliche Fl ssigkeit in Kontakt mit Haut und Augen ger t Sollten die betroffenen Stellen mindestens 15 Minuten mit Wasser abgesp lt und bei Beschwerden anschlie end 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 reas afectadas con agua durante 15 minutos como m nimo Obtenga atenci n medica si se presenta alg n s ntoma del fluido despues de lavarse Chapter 1 Introduction Safety Notice 6 To avoid shoc
27. 2 NON PFC Astec 02K6669 72W 3 prong PFC Astec 02K6666 72W 2 NON PFC Delta 02K6673 72W 3 prong PFC Delta 02K6670 AC adapter X22 X23 X24 IBM power cords for a specific country are usually available only in that region Region P N 56W 2 prong Delta 02K6814 56W 3 prong Delta 02K6813 56W 2 LITEON 02K6816 56W 3 LITEON 02K6815 136 ThinkPad X20 X21 X22 X23 X24 Chapter 4 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 Any functionally equivalent product program or service that does not infringe any of the intellectual property rights of IBM may be used instead of the IBM product program or service The evaluation and verification of operation in conjunction with other products except those expressly designated by IBM are the responsibility of the user IBM may have patents or pending patent applications covering subject matter 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 the IBM Director of Licensing IBM Corporation 500 Columbus Avenue Thornwood NY 10594 U S A Trademarks
28. 2 ThinkPad X20 X21 X22 X23 X24 1050 Keyboard 1010 Battery pack Hard Disk Drive 1040 For X20 X21 E 5 o o x 5 212 5 Glo e NE m al Sl Ak CA o tx s 8 2 2 S SN m 22 SIS 63 Chapter 3 ThinkPad X20 X21 X22 X23 X24 do as When installing When installing the keyboard follows 1 following the directions in the Install the new keyboard figure Make sure that the keyboard edges shown in are under the D and E 0 the figure as frame 64 ThinkPad X20 X21 X22 X23 X24 2 Align the tabs of the keyboard with the corresponding slots then press the keyboard until it snaps into place For X22 X23 X24 o 5 N 2 ojo Glo gi2 2 Q o 2 512 N x olas n 2 SIS 65 Chapter 3 ThinkPad X20 X21 X22 X23 X24 do as When installing When installing the keyboard follows following the directions in the Install the new keyboard T shown in are under the figure Make sure that the keyboard edges the figure as A B C D and E 66 ThinkPad X20 X21 X22 X23 X24 WA WV A NAA y Nd d d NY A G d NW NV
29. 24 127 Recovery CDs for X23 Series Windows 2000 recovery CDs Language P N English UD 32P7196 English US 32P7193 Norway 32P6009 Netherland 32P6008 Finland 32P6007 Italy 32P6006 Spanish 32P6004 LA Spanish 32P7182 Denmark 32P6001 Sweden 32P6005 French 32P6002 Canadian 32P7181 German 32P6003 Portuguese 32P6000 Japan 46P6953 Traditional Chinese 62P8468 Hong Kong Traditional Chinese 62P8472 Simplified Chinese 62P8470 Turkey 32P6014 Greek 32P6015 Hungary 32P6016 Russian 32P6017 Polish 32P6013 Hebrew 32P6012 CZ 32P6011 Arabic 32P6010 Windows XP Pro recovery CDs Language P N English UD 32P7362 English US 32P6115 English US Bluetooth 32P7204 Norway 32P6126 Netherland 32P6125 Finland 32P6124 Italy 32P6123 128 ThinkPad X20 X21 X22 X23 X24 Spanish 32P7345 LA Spanish 32P7341 Denmark 32P7342 Sweden 32P7346 French 32P7343 Canadian 32P7340 German 32P7344 Portuguese 32P6117 Turkey 32P6131 Greek 32P6132 Hungary 32P6133 Russian 32P6134 Polish 32P6130 Hebrew 32P6129 CZ 32P6128 Arabic 32P6127 Traditional Chinese 62P9205 Hong Kong Traditional Chinese 62P8473 Simplified Chinese 62P9207 Japan Commercial 46P6956 Japan Retail 46P6959 Japan Retail Bluetooth 46P6997
30. 4 Detecting system information with PC Doctor PC Doctor can detect the following system information Hardware Info System Configuration Memory Contents Physical Disk Drives Logical Disk Drives VGA Information IDE Drive Info PCI Information PNPISA Info SMBIOS Info VESA LCD Info Utility 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 Power system checkout To verify the symptom of a problem do the following 1 2 3 4 Power off the computer Remove the battery pack Connect the AC adapter Check that power is supplied when you power on the computer Power off the computer Disconnect the AC adapter and install the charged battery pack Check that the battery pack supplies power when you power on the computer If you suspect a power problem see the appropriate one of the following power supply checkouts Chapter 2 General descriptions 35 Checking the AC adapter 36 Checking operational charging 36 Checking the battery pack 37 Checking the backup battery 37 Checking the AC adapter If the computer fails only when the AC adapter is used check the following ds If the power problem occurs only when the port replicator is used replace the port replicator If the power on indicator does not turn on check the power cord of the A
31. 4 BO 26P8264 12 CF Dummy Socket 04P3184 18 Base Cover FRU 14 RTC Battery Asm 02K6715 15 HDD 30 GB IBM 08K9721 HDD 20 GB IBM 08K9723 HDD 30 GB Hitachi 08K9725 HDD 20 GB Hitachi 08K9727 16 Memory Cover 26P9817 17 Battery Li lon 4cell Sanyo W W 02K6837 Battery Li lon 4cell Sanyo Japan 02K6839 Battery Li lon 6cell Sanyo W W 02K6758 Battery Li lon 6cell Panasonic 02K6760 Battery Li lon 6cell Sanyo Japan 02K6845 Battery Li lon 6cell Panasonic Japan 02K6846 18 Screw Cap Bottom 46L4985 19 BDC Board 26P8071 118 ThinkPad X20 X21 X22 X23 X24 20 IR Sub card 26P8168 IR 1394 Sub card 26P8169 21 Gasket Mini PCI 802 11b Combo Card 46L4908 For X24 Chapter 3 ThinkPad X20 X21 X22 X23 X24 119 No FRU P N 1 Hinge cover Blutooth 46L6540 Hinge cover 802 11 Non antenna 46L6571 2 KBD Control Panel X24 46L6617 Keyboard FRU 4 Keyboard bezel Keyboard bezel 26P9815 Keyboard bezel Korea 26P9816 5 Insulation 26P9833 6 Mini PCI Combo card STRATA 06P3809 Mini PCI Combo card Actiontec 12P3657 Mini PCI modem Ambit 08K4853 7 Modem Cable Conn ASM RJ11 RJ45 27L0696 8 Card Bus Slot 04P3180 9 FAN normal voltage type 46L6614 10 Speaker Asm 26P9814 11 Planar Tual 1 06GHZ W O Cript Chip W 1394 26P8330 Tual 1 13GHZ W Cript Chip W O 1394 46L6612 Tual 1 13GHZ W O Cript Chip
32. C adapter for correct continuity and installation If the computer does not charge during operation go to Checking operational charging Unplug the AC adapter cable from the computer and measure the output voltage at the plug of the AC adapter cable See the following figure 16 10 V Pin Voltage V dc 15 5 to 17 0 Ground If the voltage is not correct replace the AC adapter If the voltage is acceptable do the following Replace the system board If the problem persists go to page 42 Note Noise from the AC adapter does not always indicate a defect Checking operational charging To check operational charging 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 36 ThinkPad X20 X21 X22 X23 X24 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 the reinstalled battery pack has not been charged go to the next section Checking the battery pack Battery charging does not start until the Fuel Gauge shows that less than 95 of the total power remains under this condition the battery pac
33. Chinese 27P1842 Hungary 23P8602 Windows Me recovery CDs Language P N Japan 46P4392 Recovery CDs for X22 Series Windows 98 recovery CDs Language P N English 32P5403 Thailand 32P5404 Japan 46P6135 Taiwan Traditional Chinese 46P6111 Hong Kong Traditional Chinese 46P6350 Simplified Chinese 46P6113 Windows 2000 recovery CDs Language P N English modem disabled 32P5411 English 32P5410 Norway 32P5421 Netherland 32P5420 Finland 32P5419 ltaly 32P5418 Spanish 32P5416 Denmark 32P5413 Sweden 32P5417 French 32P5414 German 32P5415 126 ThinkPad X20 X21 X22 X23 X24 Brazilian Portuguese 32P5412 Japan 46P6138 Taiwan Traditional Chinese 46P6346 Hong Kong Traditional Chinese 46P6352 Simplified Chinese 46P6348 Turkey 32P5426 Greek 32P5427 Hungary 32P5428 Russian 32P5429 Polish 32P5425 Hebrew 32P5424 CZ 32P5423 Arabic 32P5422 Windows XP Pro recovery CDs Language P N English modem disabled 32P5451 English 32P5450 Norway 32P5461 Netherland 32P5460 Finland 32P5459 Italy 32P5458 Spanish 32P5456 Denmark 32P5453 Sweden 32P5457 French 32P5454 German 32P5455 Brazilian Portuguese 32P5452 Taiwan Traditional Chinese 46P6112 Hong Kong Traditional Chinese 46P6354 Simplified Chinese 46P6114 Windows XP Home recovery CDs Language P N Japan 46P6140 Chapter 3 ThinkPad X20 X21 X22 X23 X
34. Enter click the left button 1 Insert the PC Doctor disk into the diskette drive then power on the computer 32 ThinkPad X20 X21 X22 X23 X24 If the computer cannot be powered on go to system checkout o n page 35 and check the power sources If an error code appears to Symptom to FRU index on page 48 On the first screen select the model and press Enter Follow the instructions on the screen 2 The main panel of PC Doctor appears Select Diagnostics with the arrow keys and press Enter A pull down menu appears Its exact form depends on the model The options on the test menu are as follows Diagnostics Interactive Tests Run Normal Test Run Quick Test CPU Coprocessor Systemboard Video Adapter Serial Ports Parallel Ports Fixed Disks Diskette Drives Other Devices ZIP Drive LS 120 240 Drive Wireless LAN Memory Test Full Memory Test Quick Keyboard Video Internal Speaker Mouse Joystick Test Diskette System Load CD ROM DVD Test Stereo Speaker 802 11 Wireless Radio Test 9 Chapter 2 General descriptions 33 Notes n the Keyboard test in Interactive tests the Fn key is scanned only once Because of this each key should be held down for at least 2 seconds or it will not be sensed The sound card is not recognized in the Stereo Speaker in the Interactive Tests To test it use the audio device test i
35. S Load Setup Defaults in IBM BIOS Setup Utility 0220 Shadow RAM failure at offset nnnn System board 0232 Extended RAM failure at offset nnnn DIMM System board 0250 System battery is dead replace and run setup Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date 0251 System CMOS checksum bad Default configuration used Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date 0252 Password checksum bad Reset the password by running IBM BIOS Setup Utility 0260 System timer error Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date System board 0270 Real time clock error Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date System board 0271 Date and time error Run IBM BIOS Setup Utility to reset the time and date 0280 Boot incomplete error Default configuration used Load Setup Defaults in IBM BIOS Setup Utility DIMM System board Chapter 3 ThinkPad X20 X21 X22 X23 X24 49 02F4 EISA CMOS not writable 02F5 DIMM test failure 1 Load Setup Defaults in IBM BIOS Setup Utility Replace the backup battery 2 System board 1 DIMM 2 System board 02F6 Software NMI failure 1 DIMM 2 System board 02F7 Fail safe timer NMI failure
36. The following terms are trademarks of the IBM Corporation in the United States or other countries or both Asset ID IBM ThinkLight ThinkPad TrackPoint Ultrabay UltraPort Microsoft Windows Windows NT and the Windows logo are trademarks of Microsoft Corporation in the United States and or other countries Pentium and Celeron are trademarks of Intel Corporation in the Unites States and or other countries For a complete list of Intel trademarks see the legal information on http www intel com Other company product or service names may be the trademarks or service marks of others 137
37. ThinkPad X20 X21 X22 X23 X24 Hardware Maintenance Manual note Before using this information and the product it supports be sure to read the general information under Chapter 4 Notices on page 137 First Edition March 2002 The following paragraph does not apply to the United Kingdom or any country where such provisions are inconsistent with local law INTERNATIONAL BUSINESS MACHINES CORPORATION PROVIDES THIS PUBLICATION AS IS WITHOUT ANY WARRANTY OF ANY KIND EITHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE LIMITED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Some states do not allow disclaimer or express or implied warranties in certain transactions therefore this statement may not apply to you This publication 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 IBM may make improvements or changes to the products or the programs described in this publication at any time It is possible that this publication may contain references to or information about IBM products machines and programs programming or services that are not announced in your country Such references or information must not be construed to mean that IBM intends to announce such IBM products programming or services in your country Requests for technical inf
38. Two short beeps with error codes System board 2 LCD assembly POST error See Numeric Two short beeps with blank Screen 1 System board Only cursor appears 1 Reinstall operating system No beep symptoms Symptom or error FRU or action in sequence No beep power on indicator on LCD blank and no POST No beep power on indicator on and LCD blank during POST _ Make sure that every connector is connected tightly and correctly DIMM System board Reseat DIMM 2 System board No beep during POST but system runs correctly 1 Speaker Chapter 3 ThinkPad X20 X21 X22 X23 X24 51 The power on password prompt A power on password or a supervisor password is set Type the password and press Enter The hard disk password prompt A hard disk password is set Type the password and press Enter The DOS lull screen looks smaller Start the ThinkPad Configuration program and set the Screen expansion function LCD related symptoms Important The TFT LCD for the notebook computer contains many thin film transistors TFTs 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 SVGA X20
39. Windows XP Home recovery CDs Language P N English US 32P6288 Taiwan Traditional Chinese 62P9206 Hong Kong Traditional Chinese 62P8498 Simplified Chinese 62P9208 Recovery CDs for X24 Series Windows 2000 recovery CDs Language P N English UD 32P7196 English US 32P7193 Norway 32P6009 Netherland 32P6008 Finland 32P6007 Italy 32P6006 Chapter 3 ThinkPad X20 X21 X22 X23 X24 129 Spanish 32P6004 LA Spanish 32P7182 Denmark 32P6001 Sweden 32P6005 French 32P6002 Canadian French 32P7181 German 32P6003 Portuguese 32P6000 Japan 62P8843 Traditional Chinese 62P8468 Hong Kong Traditional Chinese 62P8472 Simplified Chinese 62P8470 Turkey 32P6014 Greek 32P6015 Hungary 32P6016 Russian 32P6017 Polish 32P6013 Hebrew 32P6012 CZ 32P6011 Arabic Enabled 32P6010 Windows XP Pro recovery CDs Language P N English UD 32P7362 English US 32P6115 English US Bluetooth 32P7204 Norway 32P6126 Netherland 32P6125 Finland 32P6124 Italy 32P6123 Spanish 32P7345 LA Spanish 32P7341 Denmark 32P7342 Sweden 32P7346 French 32P7343 Canadian French 32P7340 German 32P7344 Portuguese 32P6117 Turkey 32P6131 Greek 32P6132 130 ThinkPad X20 X21 X22 X23 X24 Hungary 32P6133 Russian 32P6134 Polish 32P613
40. X21 5 or more bright dots 5 or more dark dots or a total of 9 or more bright and dark dots XGA X22 X23 X24 8 or more bright dots 8 or more dark dots or a total of 9 or more bright and dark dots Symptom or error FRU or action in sequence No beep power on indicator on and a blank LCD during POST 1 System board LCD backlight not working LCD too dark LCD brightness cannot be adjusted LCD contrast cannot be adjusted 1 Reseat the LCD connectors 2 LCD assembly System board LCD screen unreadable Characters missing pixels Screen abnormal Wrong color displayed 1 See important note for LCD related symptoms 2 Reseat all LCD connectors 3 LCD assembly Horizontal or vertical lines displayed on LCD 1 LCD assembly Intermittent problems Intermittent system hang problems can be due to a variety of causes that have nothing to do with a hardware defect 52 ThinkPad X20 X21 X22 X23 X24 such as cosmic radiation electrostatic discharge or software errors FRU replacement should be considered only when a recurring problem exists 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 f no error is detected do not replace any FRUs If any error is detected replace the FRU shown by the FRU code Re run the test to verify that no more errors ex
41. X24 1130 Case Keyboard deck Battery pack 1010 Keyboard assembly 1050 CDC adapter 1080 BDC adapter 1090 Fan assembly 1100 Wirelesslan assembly 1110 LCD assembly 1120 For X20 X21 Step Screw quantity Torque M2 x 3 5mm 19 6 Ncm 2 kgfcm Nylock coated 5 BK M2 x 6mm Nylock coated 19 6 Ncm 2 kgfcm 3 BK Chapter 3 ThinkPad X20 X21 X22 X23 24 79 Case Keyboard deck up then remove it Step Screw quantity Torque B M2 x 6mm Nylock coated 19 6 Ncm 2 kgfcm 4 BK For X22 X23 X24 Step Screw quantity Torque M2 x 3 5mm 19 6 Ncm 2 kgfcm Nylock coated 3 BK M2 x 6mm Nylock coated 19 6 Ncm 2 kgfcm 5 BK 80 ThinkPad X20 X21 X22 X23 X24 Case Keyboard deck up then remove it Step Screw quantity Torque BH M2 x 6mm Nylock coated 19 6 Ncm 2 kgfcm 4 BK Chapter 3 ThinkPad X20 X21 X22 X23 X24 81 1140 Speaker Battery pack 1010 Keyboard assembly 1050 CDC adapter 1080 BDC adapter 1090 Fan assembly 1100 Wirelesslan assembly 1110 LCD assembly 1120 Case keyboard deck 1120 For X20 X21 Step Screw quantity Torque M2 x 3mm Nylock coated 19 6 Ncm 2 kgfcm 2 BK When installing Make sure that you fasten the connector firmly 82 ThinkPad X20 X21 X22 X23 X24 For X22 X23 X24 Step Screw quan
42. Z SJN oly ez N m mic SE 5 0 ex s x 8 s NA 0 2 2 e m 59 Chapter 3 ThinkPad X20 X21 X22 X23 X24 1030 Backup battery Battery pack 1010 DIMM 1020 CAUTION The backup battery is a lithium battery and can cause a fire an explosion or severe burns 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 The use of an incorrect battery can result in ignition or explosion of the battery 60 ThinkPad X20 X21 X22 X23 X24 1040 Hard disk drive Battery pack 1010 Attention Do not drop the hard disk drive or apply any shock to it 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 Never remove the drive while the system is operating or is in suspend mode Note The hard disk is attached to the cover Step Screw quantity Torque M3 x 3 5mm 19 6 Ncm 2 kgfcm Nylock coated 1 BK When installing Make sure that the HDD connector is firmly connected Step Screw quantity Torque M3 x3 mm 4 Red 19 6 Ncm 2 kgfcm Chapter 3 ThinkPad X20 X21 X22 X23 24 61 6
43. a model China 26P9805 2662 Antenna model W W 26P9806 2662 Antenna model Korea 26P9807 2662 Antenna model China 26P9808 2662 Non Antenna model W W 26P9809 2662 Non Antenna model Korea 26P9810 2662 Non Antenna model China 26P9811 For X23 FRU P N 2660 Antenna model W W 46L5057 2660 Antenna model Korea 46L5058 2660 Antenna model China 46L5059 2660 Non Antenna model W W 46L5060 2660 Non Antenna model Korea 46L6531 2660 Non Antenna model China 46L6532 2662 Antenna model W W 46L6533 2662 Antenna model Korea 46L6534 2662 Antenna model China 46L6535 Chapter 3 ThinkPad X20 X21 X22 X23 X24 123 2662 Bluetooth Taiwan 46P2777 2662 802 11b Taiwan 46L6536 2662 Non Antenna model W W 46L6537 2662 Non Antenna model Korea 46L6538 2662 Non Antenna model China 46L6539 For X24 FRU P N 2660 Antenna model W W 46L6596 2660 Antenna model Korea 46L6597 2660 Antenna model China 46L6598 2660 Antenna model Taiwan 46L6599 2660 Non Antenna model W W 46L6600 2660 Non Antenna model Korea 46L6601 2660 Non Antenna model China 46L6602 2662 802 11b W W 46L6603 2662 Bletooth W W 46L6604 2662 Bletooth Taiwan 46P2778 2662 Antenna model Korea 46L6605 2662 Antenna model China 46L6606 2662 802 11b Taiwan 46L6607 2662 Non Antenna model W W 46L6608 2662 Non Antenna model Korea 46L6609 2662 Non Antenna model China 46L6610 Recovery CDs for
44. aded 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 non defective 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 52 Note For an IBM devices 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 0175 1 System board Bad CRC1 stop POST task The EEPROM checksum is not correct 0187 1 System board EAIA data access error 0190 1 Critical low battery error harge the battery pack Critical low battery error Charg 2 Battery pack 0193 1 Enter the supervisor assword RF antenna has been removed P 0194The computer has been Enter the supervisor carried through a security gate password 48 ThinkPad X20 X21 X22 X23 X24 0200 Fixed disk failure Reseat the hard disk drive Load Setup Defaults in IBM BIOS Setup Utility Hard disk drive System board 021x Monitor type does not match CMO
45. aser radiation when open Do not stare into the beam do not view directly with optical instruments and avoid direct exposure to the beam Radiac o por raio laser ao abrir olhe fixo feixe de luz nao olhe diretamente por meio de instrumentos ticos e evite exposic o direta com o feixe de luz FAR SARCASM HOI WROD WOE FLERE P Rayonnement laser si carter ouvert Evitez de fixer le faisceau de le regarder directement avec des instruments optiques ou de vous exposer au rayon Laserstrahlung bei ge ffnetem Ger t Nicht direkt oder ber optische Instrumente in den Laserstrahl sehen und den Strahlungsbereich meiden Kinyit skor l zersug r Ne n zzen bele se szabad szemmel se optikai eszk z kkel Ker lje a sug rnyal bbal val rintkez st Aprendo l unit vengono emesse radiazioni laser Non fissare il fascio non guardarlo direttamente con strumenti ottici e evitare l esposizione diretta al fascio He Ked je laserov jednotka otvoren Vyhnite sa priamemu pohladu a nehladte priamo s optickymi n strojmi do a vyhnite sa priamemu vystaveniu l ov
46. been powered off Always look carefully for possible hazards in your work area Examples of these hazards are moist floors non grounded 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 f an electrical accident occurs Use caution do not become a victim yourself Switch off power Send another person to get medical aid 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 IBM features or options not covered by this inspection guide 14 ThinkPad X20 X21 X22 X23 X24 If any unsafe conditions are present you must determine how serious the apparent hazard could be and whether you can continue without first correcting th
47. ce Partition press N If a menu appears asking which operating system to install highlight proper operating system and press ENTER A menu will appear stating Full Recovery Press ENTER to select Enter Y at the three windows which follow Follow prompts to complete the Recovery Process Chapter 2 General descriptions 25 Creating a Recovery Repair diskette The Recovery Repair diskette is used to recover the prompt that is needed to access the Product Recovery program if the prompt does not appear Make a Recovery Repair diskette and save it for future use To 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 F11 The option to press F11 appears for only a few seconds You must press F11 quickly The Product Recovery program main menu appears 4 f you are using Windows 2000 Professional you will be prompted to select the appropriate operating system setting This menu does not appear for Windows 98 SE 5 Select System Utilities from the main menu Press Enter 6 Select Create a Recovery Repair diskette Press Enter Follow the on screen instructions 8 When the process is completed label the diskette as the Recovery Repair diskette and save it for future use To use the Recovery Repair diskette Shut down and turn off the computer 2 Attach the external diskette drive to the computer I
48. crews can cause a reliability problem The IBM ThinkPad computer addresses this problem with special nylon coated screws that have the following characteristics They maintain tight connections They do not easily come loose even with shock or vibration They are harder to tighten They should be used only once Do the following when you service this machine Keep the screw kit P N 05K4841 in your tool bag Always use new screws Use a torque screwdriver if you have one Tighten screws as follows Plastic to plastic Turn an additional 90 degrees after the screw head touches the surface of the plastic part 90 degrees more Cross section Logic card to plastic 54 ThinkPad X20 X21 X22 X23 X24 Turn an additional 180 degrees after the screw head touches the surface of the logic card 180 degrees more Cross section Torque driver If you have a torque driver refer to the Torque column with each step 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 Use a new one Make sure the screws are tightened firmly Retaining serial numbers This section includes the following descriptions Restoring the serial number of the system unit Retaining the UUID Restoring the serial number of the system unit When the co
49. cuitos el ctricos Chapter 1 Introduction 3 Safety Notice 2 Some standby batteries contain a small amount of nickel and cadmium Do not disassemble it 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 d montez pas ne les rechargez pas ne les exposez ni au feu ni l eau Ne les mettez pas en court circuit Pour les mettre au rebut conformez vous la r glementation en vigueur Lorsque vous remplacez la pile de sauvegarde ou celle de l horloge temps r el veillez n utiliser que les mod les cit s dans la liste de pi ces d tach es ad quate Une batterie ou une pile inappropri e 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 Ver tzungen verursachen Bei der Entsorgung die rtlichen Bestimmungen f r Sonderm ll beachten Beim Ersetzen der Bereitschafts oder Systembatterie nur Bat
50. d 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 Chapter 1 Introduction 15 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 Keep the parts in protective packages until they are inserted into the product Avoid contact with other people Wear a grounded wrist strap against your skin to eliminate static on your body 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 is desirable but not required to protect against ESD damage Attach the ESD ground clip to any frame ground ground braid or green wire ground Use an ESD common ground or reference point when working on a double insula
51. e Intel Modem Register Intel Modem Loopback DTMF g Intel SP Modem Register h Intel SP Modem Loopback DTMF i SCom Modem Test 3Com Dialtone Test 9 Audio 1 Interactive Tests gt Internal Speaker 2 Diagnostics gt Other Devices gt Crystal SoundFusion Test Speaker Interactive Tests gt Internal Speaker PC Card slots Diagnostic gt System Board gt PCMCIA PCMCIA External Loop Keyboard 1 Diagnostics gt System Board gt Keyboard 2 Interactive Test gt Keyboard TrackPoint or pointing device If the TrackPoint does not work check the configuration in the ThinkPad Configuration program If the TrackPoint is disabled select Enable 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 No service action is necessary if the pointer stops after a short time If enabling the TrackPoint does not correct the problem continue with the following Interactive Tests gt Mouse Hard disk drive Diagnostics gt Fixed Disks Diskette drive 1 Diagnostics gt Diskette Drives 2 Interactive Tests gt Diskette CD ROM or DVD drive 1 Diagnostics gt Other Devices gt CD ROM DVD 2 Interactive Tests gt CD ROM DVD T
52. e al fuego o al agua ni las cortocircuite Des chelas tal como dispone la normativa local Utilice s lo bater as que se encuentren en la lista de piezas al sustituir la bater a La utilizaci n de una bater a no apropiada puede provocar la ignici n o explosi n de la misma 6 ThinkPad X20 X21 X22 X23 X24 Safety Notice 4 The lithium battery can cause a fire explosion or 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 pr sente des risques d incendie d explosion ou de br lures graves Ne la rechargez pas ne retirez pas son connecteur polaris et ne la d montez pas Ne l exposez pas une temperature sup rieure 100 C ne la faites pas br ler et n en exposez pas le contenu l eau Mettez la pile au rebut conform ment la r glementation en vigueur Une pile inappropri e risque de prendre feu ou d exploser Die Systembatterie ist eine Lithiumbatterie Sie kann sich entz nden explodieren oder schwere Verbrennungen hervorrufen Batterien dieses Typs d rfen nicht aufgeladen zerlegt ber 100 C erhitzt oder verbrannt werden Auch darf i
53. e e ue oOx seo 407 System 112 Keyboard 121 Base Cover FRU 122 Recovery CDs for X21 Series 124 Recovery CDs for X22 Series 126 Recovery CDs for X23 Series 128 Recovery CDs for X24 Series 129 Miscellaneous parts 131 Options FRU list 133 Common parts list X20 X21 X22 X23 X24 135 Chapter 4 Notices 137 Trademarks p a 187 iv ThinkPad X20 X21 X22 X23 X24 Chapter 1 Introduction Important service information j X 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 IBM HelpCenter at 800 772 2227 if they need assistance in obtaining or installing any diskette fixes FRU replacement strategy Before replacing parts Ensure that all BIOS and device driver fixes are installed before replacing any FRUS listed in this manual Use the following strategy to prevent unnecessary FRU replacement and service expense m Attention If you are instructed to replace a FRU but the replacement does not correct the problem reinstall the original FRU before you continue Some computers have both a processor board and a system board If you are instruct
54. e 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 d montez pas ne l exposez ni au feu ni l eau Ne la mettez pas en court circuit Pour la mettre au rebut conformez vous la r glementation en vigueur Lorsque vous remplacez la batterie veillez n utiliser que les mod les cit s dans la liste de pi ces d tach es ad quate En effet une batterie inappropri e risque de prendre feu ou d exploser Akkus enthalten geringe Mengen von Nickel Sie d rfen nicht zerlegt wiederaufgeladen kurzgeschlossen oder Feuer oder Wasser ausgesetzt werden Bei der Entsorgung die rtlichen Bestimmungen f r Sonderm ll beachten Beim Ersetzen der Batterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgef hrt ist Der Einsatz falscher Batterien kann zu Entz ndung oder Explosion f hren La batteria contiene piccole quantit di nichel Non smontarla gettarla nel fuoco o nell acqua n 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 bater as contienen peque as cantidades de n quel No las desmonte ni recargue ni las ech
55. e problem Consider these conditions and the safety hazards they present Electrical hazards especially primary power primary voltage on the frame can cause serious or fatal electrical shock Explosive hazards such as a damaged CRT face or a bulging capacitor Mechanical hazards such as loose or missing hardware The guide consists of a series of steps presented in a checklist 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 Check the power cord for a Athird 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 frame ground b The power cord should be the type specified in the parts list c Insulation must not be frayed or worn Remove the cover 5 Check for any obvious non IBM alterations Use good judgment as to the safety of any non IBM 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 8 Check that the power supply cover fasteners screws or rivets have not been removed or tampered with Handling electrostatic discharge sensitive devices Any computer part containing transistors or integrate
56. ed to replace either the processor board or the system board and the first board that you replace does not correct the problem reinstall the original board and then replace the other processor or system board If an adapter or 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 A customized setup configuration other than default settings may exist on the computer you are servicing Running Automatic Configuration may alter those settings Note the current configuration settings using the View Configuration option then when service has been completed verify that the settings are in place Hard disk drive replacement strategy Always try to run a low level format before replacing a hard disk drive j Attention The drive startup sequence in the computer you are servicing might 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 i
57. es 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 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 Product overview on page 42 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 running the IBM BIOS Setup Utility before you run PC Doctor In the IBM BIOS Setup Utility screen press F9 Enter F10 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 PS2 EXE PC Doctor cannot be used to test a device that is in the docking station If a device is in the Ultrabay 2000 or connected to the USB connector of the docking station remove it and install it in the Ultrabay 2000 or connect it to the USB connector of the computer Then test it with PC Doctor 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 Instead of pressing
58. est 46 ThinkPad X20 X21 X22 X23 X24 Memory 1 If two DIMMs are installed remove one of them and run Diagnostics gt Memory Test Quick 2 If the problem does not recur replace the DIMM remove the other one and run the test again 3 If the test does not detect the error run Diagnostics gt Memory Test Full Fan 1 Turn on the computer and check the air turbulence at the louver near the power switch 2 Run Diagnostics gt Other Devices gt IBM Fan Fn key combinations The following table shows the function of each combination of Fn with a function key The Fn key works independently from the operating system Key Combination Result Fn F1 Reserved Fn F2 Reserved Fn F3 Standby mode Fn F4 Suspend mode Fn F5 Reserved Fn F6 Reserved Fn F7 Switch between the LCD the external monitor and both the LCD and external monitor Fn F8 Reserved Fn F9 Reserved Fn F12 Hibernation mode Fn PgUp ThinkLight On Off Fn Home The LCD becomes brighter Fn End The LCD becomes less bright Chapter 3 ThinkPad X20 X21 X22 X23 X24 47 Symptom to FRU index The symptom to FRU index 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 he
59. f the error symptom is listed in the Symptom to FRU Index for the computer you are servicing How to read POST error messages POST error messages are displayed on the screen as three four five or eight digits The error messages that can be displayed as shorter POST messages are highlighted in this index Some digits have one meaning for SCSI errors and a different meaning for non SCSI errors The following example shows which digits display the shorter POST error messages and also defines the SCSI information in each digit of an eight digit error message Shorter POST Messages 0 0 0 0 0 0 0 0 Size SCSI Slot Number SCSI Logical Unit Number SCSI ID SCSI Reserved Device Code Each SCSI device is assigned a unique SCSI ID Duplicate SCSI ID settings can generate a false error message Use the SCSI ID to determine whether an error message is coming from an internal or an external device 2 ThinkPad X20 X21 X22 X23 X24 Safety notices multilingual translations The following safety notices are provided in English French German Italian and Spanish languages Safety Notice 1 Before the computer is powered on after FRU replacement make sure all screws springs or 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
60. hat pertain to replacement For information about connecting and arranging internal cables see Locations on page 98 8 When replacing a FRU use the correct screw as shown in the procedures CAUTION 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 CAUTION The battery consists of small amount 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 Chapter 3 ThinkPad X20 X21 X22 X23 X24 57 Attention Before the computer is powered on after FRU replacement make sure all screws springs and other small parts are in place and are not 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 and can be damaged by electrostatic discharge Establish personal grounding by touching a ground point with one hand before touching these units You must use an electrostatic discharge ESD strap P N 6405959 to establish personal grounding 1010 Battery pack 58 ThinkPad X20 X21 X22 X23 X24 1020 DIMM Battery pack 1010 Note Loosen the screw but do not remove it E o 9 o x Vi S S
61. he following table summaries the characteristics of each model to help you determine which FRU in the part list meets your need CPU LCD Mini PCI amp CDC 2662 DBX D5X D1X e Pentium 800 LV 12 1 TFT XGA V 90 DF Modem amp EDC Chapter 3 ThinkPad X20 X21 X22 X23 X24 105 2662 EBX E5X X24 series model matrix e Pentium III M 866 12 1 TFT XGA V 90 DF Modem amp EDC LV 2662 EGX E7X e Pentium III M 866 12 1 TFT XGA V 90 DF Modem amp EDC LV 2662 EEX EDX ECX e Pentium III M 866 12 1 TFT XGA 802 11 Combo amp EDC LV 2662 ELX E6X E4X Pentium 866 12 1 TFT XGA Strata amp BDC LV 2662 D3J Pentium 866 12 1 XGA 802 11 Combo amp EDC LV 2662 DFJ Pentium III M 866 12 1 TFT XGA Strata amp BDC LV The X24 series includes several models The following table summaries the characteristics of each model to help you determine which FRU in the part list meets your need Pentium 1 13GHz CPU LCD Mini PCI amp CDC 2660 2662 MQx MPx Pentium 12 1 TFT XGA V 90 DF Modem D F 1 13GHz amp EDC 2660 2662 MWx MXx Pentium HM 12 1 TFT XGA 802 11 Combo amp 1 13GHz EDC 2662 5 1 Pentium HM 12 1 XGA V 90 Modem D F amp 1 13GHz EDC 2662 MGx M7x MCx Pentium 12 1 TFT XGA 802 1
62. hone Cable 27L0603 Telephone Cable Austria 05K2731 Chapter 3 ThinkPad X20 X21 X22 X23 X24 133 Telephone Cable Belgium 05K2732 CD ROM drive LG 08K9545 CD ROM drive TOSHIBA 27L3973 CD ROM drive Teac 27L3436 DVD ROM drive MKE 05K9188 DVD ROM drive TOSHIBA 05K9160 SODIMM Card 128MB 100MHz 20L0265 SODIMM 256 133MHz 33L3070 SODIMM Card 64MB 100MHz 20L0264 UltraBase X2 04P3304 UltraBase X2 Security Screw 08K7004 2nd HDD Adapter 08K6067 USB FDD TEAC 05K9283 USB FDD YE DATA 08K9542 USB CD ROM drive 00N8244 USB CD ROM Cable 00N8245 Telephone Cable Austria 2710623 Telephone Cable Belgium 27L0625 LS 120 05K9235 Common Battery Charger 02K6642 CD RW 00N7955 CD RW Sony 08K9568 For X22 X23 X24 Telephone Cable W Core 27L0619 CD ROM drive LG 27L4301 SODIMM Card 128MB 133MHz 19L4653 SODIMM Card 256MB 133MHz 19K4655 SODIMM Card 64MB 133MHz 19K4651 UltraBase X2 04P3304 UltraBase X2 Security Screw 08K7004 2nd HDD Adapter 08K6067 USB FDD TEAC 05K9283 USB FDD YE DATA 08K9542 LS 120 05K9235 Common Battery Charger 02K6642 CD RW 00N7955 FRU HEAD SET 02K4941 134 ThinkPad X20 X21 X22 X23 X24 Common parts list X20 X21 X22 X23 X24 Tools Triconnector wrap plug 72X8546 Removal Tool Antenna RF Connector 08K7159 PC test card 35G47
63. hr Inhalt nicht mit Wasser in Verbindung gebracht oder der zur richtigen Polung angebrachte Verbindungsstecker entfernt werden Bei der Entsorgung die rtlichen Bestimmungen f r Sonderm ll beachten Beim Ersetzen der Batterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgef hrt ist Der Einsatz falscher Batterien kann zu Entz ndung oder Explosion f hren 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 Chapter 1 Introduction Safety Notice 4 La bateria de repuesto es una bateria 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 Des chela tal como dispone la normativa local 8 ThinkPad X20 X21 X22 X23 X24 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
64. incipales tienen un voltaje bajo una bater a cortocircuitada o con contacto a tierra puede producir la corriente suficiente como para quemar material combustible o provocar quemaduras en el personal 10 ThinkPad X20 X21 X22 X23 X24 M Safety Notice 8 Before removing any FRU power off the computer unplug all power cords from electrical outlets remove the battery pack then disconnect any interconnecting cables Avant de retirer une unit remplacable en client le mettez le syst me hors tension d branchez tous les cordons d alimentation des socles de prise de courant retirez la batterie et d connectez tous les cordons d interface Die Stromzufuhr muf 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 el ctrica quite la bater a y a continuaci n desconecte cualquier cable de conexi n entre dispositivos Chapter 1 Introduction 11 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 rule
65. ist Undetermined problems If the diagnostic tests did not identify which adapter or device failed which installed devices are incorrect whether or not a short circuit is suspected or if the system is inoperative 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 checkout on page 35 1 Power off the computer 2 Visually check each FRU for damage Replace any damaged FRU 3 Remove or disconnect all of the following devices Non IBM devices Devices attached to the port replicator Printer mouse and other external devices Battery pack Hard disk drive External diskette drive DIMM CD ROM and diskette drive in the UltraBase X2 i PC Cards Power on the computer e eo 5 p Determine whether the problem has changed If the problem does not recur reconnect the removed devices one at a time until you find the failing FRU 7 f the problem remains replace the following FRUs one at a time do not replace a non defective FRU a System board b LCD assembly Chapter 3 ThinkPad X20 X21 X22 X23 X24 53 FRU replacement notices This section contains notices related to removing and replacing parts Read this section carefully before replacing any FRU Screw notices Loose s
66. k can charge to 100 of its capacity This protects the battery pack from being overcharged or from having a shortened life 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 4 See the following figure Terminal Voltage V dc 1 0 to 12 6 6 cell 0 to 16 8 4 cell 4 Ground 3 If the voltage is less than 11 0 V dc the battery pack has been discharged 4 If the voltage is more than 11 0 V dc measure the resistance between battery terminals 3 and 4 The resistance between battery terminals 3 and 4 must be from 4 to 30k ohms 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 Checking the backup battery Do the following 1 Power off the computer and unplug the AC adapter from it Chapter 2 General descriptions 37 2 Turn the computer upside down Remove the backup battery see 1030 Backup battery on page 60 4 Measure the voltage of the backup battery See the following figure Red Black Wire Voltage V dc Red 2 5 to 3 2 Black Ground
67. k do not remove the plastic cover that surrounds the lower portion of the inverter card Afin d viter tout risque de choc lectrique ne retirez pas le cache en plastique prot geant la partie inf rieure de la carte d alimentation Aus Sicherheitsgr nden 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 pl stico que rodea la parte baja de la tarjeta invertida Safety Notice 7 Though main batteries have low voltage a shorted or grounded battery can produce enough current to burn combustible materials or personnel Bien que le voltage des batteries principales soit peu lev le court circuit ou la mise la masse d une batterie peut produire suffisamment de courant pour br ler des mat riaux combustibles ou causer des br lures corporelles graves Obwohl Hauptbatterien eine niedrige Spannung haben k nnen sie doch bei Kurzschluf oder Erdung genug Strom abgeben um brennbare Materialien zu entz nden oder Verletzungen bei Personen hervorzurufen Sebbene le batterie di alimentazione siano a basso voltaggio una batteria in corto circuito o a massa pu fornire corrente sufficiente da bruciare materiali combustibili o provocare ustioni ai tecnici di manutenzione Aunque las bater as pr
68. le docked 2 The computer cannot enter hibernation mode when it is powered with AC power and a communication PC Card is used 3 If the computer enters the hibernation mode when it is docked to the docking station do not undock it from the docking station before resuming normal operation If you do undock it then if you try to resume normal operation you will get an error message and you will have to restart the system Any one of the following events causes the computer to enter hibernation mode The Fn F12 keys are pressed The power switch is turned off and the mode is set to Power switch mode Hibernation The timer conditions are satisfied in suspend mode for operating systems other than Windows 98 30 ThinkPad X20 X21 X22 X23 X24 Acritically low battery condition occurs and the mode is set to Hibernate when battery becomes low When the power is turned on the computer leaves 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 Chapter 2 General descriptions 31 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 respons
69. lp you determine which FRU in the part list meets your need CPU LCD Mini PCI 2662 54J 55J Celeron 500 ULV 12 1 TFT XGA Strata 2662 41X 42X Pentium 111 600 12 1 TFT SVGA V 90 DF Modem LV 2660 2662 61X 62X e Pentium 700 12 1 TFT XGA V 90 DF Modem LV 2660 2662 64X 65X 104 ThinkPad X20 X21 X22 X23 X24 LV Pentium lll zoo 12 1 TFT XGA Strata LV 2660 2662 66X 67X Pentium zoo 12 1 TFT XGA 3COM Ether Combo X22 series model matrix The X22 series includes several models The following table summaries the characteristics of each model to help you determine which FRU in the part list meets your need Pentium 733 LV CPU LCD Mini PCI amp CDC 2662 88X 85X 8HX Pentium 733 12 1 XGA V 92 DF Modem amp EDC LV 2662 75J 7HJ Pentium 733 12 1 TFT XGA V 92 DF Modem amp EDC LV 2662 9 92 91 Pentium 800 12 1 XGA V 92 DF Modem LV 2662 9BX 95X 9HX Pentium 800 12 1 XGA V 92 DF Modem amp EDC LV 2662 9GX 97X 9KX Pentium WM 800 12 1 XGA V 92 DF Modem amp EDC LV 2662 9EX 9DX 9JX Pentium 800 12 1 TFT XGA 802 11 Combo amp EDC LV 2662 93J 12 1 TFT XGA Strata Combo X23 series model matrix The X23 series includes several models T
70. mputer is entering standby mode or hibernation mode or is resuming normal operation Bluetooth X23 X24 Bluetooth Green The Integrated Bluetooth features are on power button X23 X24 Bluetooth Model Only Model Only Blinking green The Integrated Bluetooth features are functioning El Bluetooth Press this button to turn the IBM Integrated Bluetooth on and off El Drive in use Green Data is read from or written to the hard disk drive diskette drive or drive in the Ultrabay 2000 Num lock Green The numeric keypad on the keyboard is enabled Caps lock Green Caps Lock mode is enabled Scroll lock Green Arrow keys can be used as screen scroll function keys El Power on Green The power is on The following table shows the test for each FRU FRU Applicable test System board 1 Diagnostics gt CPU Coprocessor 2 Diagnostics gt Systemboard Power Diagnostics gt Other Devices gt IBM AC Adapter IBM Battery LCD unit 1 Diagnostics gt Video Adapter 2 Interactive Tests gt Video Chapter 3 ThinkPad X20 X21 X22 X23 X24 45 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 test in Diagnostics gt Other Devices Lucent Modem M2 Loopback Lucent Modem M2 Dialtone DTM Lucent Soft Modem Loopback Lucent Soft Modem Dialton
71. mputer was manufactured the EEPROM on the system board was loaded with the serial numbers of the system and all major components The numbers need to remain the same throughout the life of the computer If you replace the system board you must restore 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 60 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 for each device is displayed Write down the serial number of the system unit designated as follows 20 System unit serial number Chapter ThinkPad X20 X21 X22 X23 24 55 After you have replaced the system board restore the serial number by doing the following 1 Install the ThinkPad Hardware Maintenance Diskette Version 1 60 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 Note The serial number of the system unit is written on the label attached on the bottom of the computer 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 unique
72. ms FRU replacement notices Screw notices Retaining serial numbers Removing and replacing a FRU 1010 Battery pack 1020 DIMM 1030 Backup battery 1040 Hard disk drive 1050 Keyboard d 169 1060 KBD Control Panel Assemble L 5067 1070 Mini PCI adapter 69 1080 CDC adapter 70 1090 BDC adapter 71 1100 Fan assembly 2 1110 Wirelesslan assembly for X22 X23 X24 74 1120 LCD assembly bo ae oe LD 1130 Case Keyboard deck 79 1140 Speaker um 8 1150 Card slot assembly sa 41484 1160 IRDA bok wo 1170 RJM RJ45 a DI 1180 System board 89 1190 LCD USB cover OI 1200 Frontbezel 92 1210 LCD panel 98 Locations Ud de xe uen OO Front view for X20 X21 5 Xn s cae vods 25 Front view for X22 98 Front view for X23 X24 99 Rear view for X20 X21 101 Rear view for X22 X23 X24 101 Bottom view 103 PartsList 4 4 ko o 104 X20 series model matrix we s or a ce c o 104 X21 series model matrix 104 X22 series model matrix 105 X23 series model matrix 105 X24 series model matrix 106 LCD ER S
73. n the Other Devices Diagnostics Video Adapter test supports only the LCD display on ThinkPad Before running PC Doctor DOS detach the external Monitor To test ZIP Drive or LS 120 Drive each media is needed to be inserted before start testing Wireless LAN test is only for some models Some model do not have them To test Digital Signature Chip the chip must be enabled and initialized When legacy Floppy Drives is Enabled in the BIOS Setup Utility Diskette Drives test is activated even if no diskette drive is attached to the ThinkPad There are 5 kinds of modem test in Other Devices test menu Please check first which modem device you want to test as belows Lucent Modem M2 Loopback Lucent Modem Lucent Modem M2 Dialtone DTMF Lucent Soft Modem Loopback Software Modem used in Wireless Combo Card Lucent Soft Modem Dialtone Intel Modem Register Intel combo Xircom Depop Combo Card Intel Modem Loopback DTMF Intel SP Modem Register Intel SP Combo Card Intel SP Modem Loopback DTMF 3Com MiniPCI Modem Test 3Com Combo Card 3Com Dialtone Test 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 34 ThinkPad X20 X21 X22 X23 X2
74. nna 46L4909 KBD Unit Instruction 46P3885 DBU 12 1 W O Antenna 11P8259 M2 L7 BK for KBD 46L4976 M2 L3 5 SILVER 46L4977 M2 16 5 YELLOW 46L4981 M3 L3 W for HDD 04P3399 M2 L8 BK for Hinge Top04P3400 04P3703 M2 6 L4 BK Hinge Rear 04P3401 M2 L3 W 04P3402 M2 L6 BK 04P3403 M2 L3 5 BK 04P3404 HEXA screw 04P3405 M2 L3 5 HEAD 0 6T BK 04P3407 M2 L4 BK 04P3408 M2 6 L5 BK 08K7092 Screw Cap BOTTOM 04P3528 Screw Cap LCD FRONT Black 04P3529 Screw Caop LCD SIDE Black Paint 08K7067 132 ThinkPad X20 X21 X22 X23 X24 Tape 04P3703 For X24 FRU P N Screw kit for 10 systems 46P2595 HDD Metal Case 12P4177 HDD Lid 04P3166 HDD Screw 04P3167 MISC PCB 46P2596 Track Point Cap 84G6536 Screw Cap for 10 systems 26P9831 KBD Misc 26P9828 Misc Parts Kit 26P9812 LCD Misc XGA 26p9826 LCD Misc W O Antenna 46L4909 KBD Unit Instruction 46P3885 DBU 12 1 W O Antenna 11P8259 M2 L7 BK for KBD 46L4976 M2 L3 5 SILVER 46L4977 M2 L6 5 YELLOW 46L4981 M3 L3 W for HDD 04P3399 M2 L8 BK for Hinge Top04P3400 04P3703 M2 6 L4 BK Hinge Rear 04P3401 M2 L3W 04P3402 M2 L6 BK 04P3403 M2 L3 5 BK 04P3404 HEXA screw 04P3405 M2 L3 5 HEAD 0 6T BK 04P3407 M2 L4 BK 04P3408 M2 6 L5 BK 08K7092 Screw Cap BOTTOM 04P3528 Screw Cap LCD FRONT Black 04P3529 Screw Caop LCD SIDE Black Paint 08K7067 Tape 04P3703 Options FRU list For X20 X21 Telep
75. nsert the Recovery Repair diskette into the drive then turn on the computer 4 Follow the on screen instructions Passwords As many as three passwords may be set for any ThinkPad computer the power on password POP the hard disk password HDP and the supervisor password SVP When the power on password the hard disk password or the supervisor password is used a password prompt appears on the screen whenever the computer is turned on The computer does not start until the password is entered 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 26 ThinkPad X20 X21 X22 X23 X24 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 and is designed for the system administrator to input both in the same operation The system administrator then provides the user HDP to the system user Attention If the user HDP is forgotten check to see if a master HDP was set If a master HDP was set and can be recalled this will allow access to the hard disk drive If no master HDP is available IBM does not provide any ser
76. ormation about IBM products should be made to your IBM authorized dealer or your IBM marketing representative Copyright International Business Machines Corporation 2001 All rights reserved Note to US Government Users Documentation related to restricted rights Use duplication or disclosure is subject to restrictions set forth in GSA ADP Schedule Contract with IBM Corp Contents Chapter 1 Introduction Important service information FRU replacement strategy Hard disk drive replacement strategy How to use error messages How to read POST error messages Safety notices multilingual translations Safety information General safety Electrical safety Safety inspection guide Handling electrostatic discharge sensitive devices Grounding requirements Laser compliance statement Laser radiation Chapter 2 General descriptions Read this first Related service information Service Web site Product recovery program Using Recovery CD Creating a Recovery Repair diskette Passwords Power management Checkout guide Testing the computer Detecting system information with PC Doctor Power system checkout Chapter 3 ThinkPad X20 X21 X22 X23 X24 Product overview Specifications Status indicators Fn key combinations Symptom to FRU index Numeric error codes Error messages Beep symptoms LCD related symptoms Intermittent problems Undetermined proble
77. popsys html or athttp www pc ibm com partner infotips Product recovery program Restoring the Pre installed Software To restore the pre installed software you can use either the Product Recovery program or a Recovery CD The Product Recovery program is in a section of the hard disk drive the Service Partition that is not displayed by Windows Explorer Use the Recovery CD if it was provided with the computer Note The recovery process might take up to 2 hours To use the Product Recovery program to restore the pre installed software do the following 1 Save all files and shut down the desktop 2 Turn off the computer 3 Turn on the computer Quickly press F11 when this message is displayed on the screen To start the Product Recovery program press F11 This message is displayed for only a few seconds Note If this message does not appear you can use a Recovery Repair diskette to get access to the Product Recovery program see Creating a Recovery Repair diskette on page 26 for instructions for making the Recovery Repair diskette 4 From the list displayed on the screen select the operating system you want to recover 5 Select the recovery options you want and follow the instructions on the screen 24 ThinkPad X20 X21 X22 X23 X24 Using Recovery CD To create Service Partition and install the preloaded system from Recovery CD do the following To create Service Partition SP d
78. rn 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 DIMM cover How to remove the hard disk password Attention If User only mode is selected and the user HDP is forgotten and cannot be made available to the servicer IBM does not provide any services to reset the user HDPs nor recover data from the hard disk drive The hard disk drive can be replaced for a scheduled fee To remove the user HDP that has been forgotten when the SVP and master HDP is known do the following 1 Power on the computer by pressing and holding F1 2 Enter the SVP The IBM BIOS Setup Utility menu appears 3 Select Password using the cursor keys to move down the menu 4 Select Hard disk x password where x is the letter of the hard disk drive A pop up window opens 5 Select either User HDP or Master HDP Enter the master HDP then leave the New Password field blank and press Enter twice Press F10 8 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 In screen blank mode the following occurs The LCD backlight turns off The hard disk drive motor stops The speaker is muted 28 ThinkPad X20 X21 X22 X23
79. rque M2 x 3mm 4 White 19 6 Ncm 2 kgfcm M2 x 6mm Nylock coated 19 6 Ncm 2 kgfcm 1 BK 72 ThinkPad X20 X21 X22 X23 X24 For X22 X23 Step Screw quantity Torque M2 x 3 5mm 4 Silver 19 6 Ncm 2 kgfcm M2 x 6mm Nylock coated 19 6 Ncm 2 kgfcm 1 BK For X24 Step Screw quantity Torque M2 x 6mm Nylock coated 19 6 Ncm 2 kgfcm 1 BK Chapter 3 ThinkPad X20 X21 X22 X23 X24 73 1110 Wirelesslan assembly for X22 X23 X24 Battery pack 1010 Keyboard assembly 1050 Step Antena Color Wireless LAN Board Gray Color Main J1 B Black Color Aux J2 74 ThinkPad X20 X21 X22 X23 X24 1120 LCD assembly Battery pack 1010 Keyboard assembly 1050 CDC adapter 1080 BDC adapter 1090 Wirelesslan assembly 1110 For X20 X21 Chapter 3 ThinkPad X20 X21 X22 X23 24 75 EIS gig D S 2 219 EIS 2 2 5 m n s E Sig ES S o x x 8 8 s gt gt gt 2 8 76 ThinkPad 20 21 22 23 24 For X22 X23 X24 Chapter 3 ThinkPad X20 X21 X22 X23 X24 77 Step Screw quantity Torque M2 6 x 4mm 4 BK 29 4 Nem kgfcm B M2 x 8mm 29 4 Ncm 3 kgfcm Nylock coated 2 BK 78 ThinkPad X20 X21 X22 X23
80. rter card NMB 26P8179 5 Bracket L R 26P9825 6 Antena 26P9824 LCD Interface cables 12 1 XGA 27L0697 8 LCD USB Cover 04P3179 9 LCD Rear Cover kit Non Antenna 26P9820 Model W W LCD Rear Cover kit Antenna Model 26P9819 W W LCD Rear Cover kit Non Antenna 26P9822 Model Korea LCD Rear Cover kit Antenna Model 26P9821 Korea Chapter 3 ThinkPad X20 X21 X22 X23 X24 111 System For X20 X21 No FRU P N 1 Hinge cover SVGA Blacket 04P3162 XGA Blacket 04P3163 112 ThinkPad X20 X21 X22 X23 X24 2 KBD Control Panel 26P9194 Keyboard FRU 4 Keyboard bezel Keyboard bezel 04P3159 Keyboard bezel Korea 04P3525 5 Insulation 04P3702 6 Mini PCI Combo card STRATA 06P3809 Mini PCI Combo card 3COM 22P7594 Mini PCI modem V92 08K4853 Modem Cable Conn ASM RJ11 RJ45 2710585 Card Bus Slot 04P3180 9 FAN 04P3161 10 Speaker 02K5879 11 Planar Celeron 500 ULV 12P3476 GSV LV 600MHz 12P3472 GSV LV 700MHz 12P3468 GSV LV 600MHz W 1394 26P8072 12 CF Dummy Socket 04P3184 13 Base Cover FRU 14 RTC Battery Asm 02K6715 15 HDD 10 GB Hitachi 27L4184 HDD10 GB IBM Jasper 27L4176 HDD 20 GB Hitachi 2714188 HDD 20 GB IBM Jasper 27L4180 16 Memory Cover 04P3185 17 Battery Li lon 6cell Panasonic 02K6710 Battery Li lon 6cell Sanyo 02K6653 Battery Li lon 4cell Sanyo 02K6652 18 Screw Cap Bottom 04P3528
81. s 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 Any one of the following events causes the computer to resume operation from standby mode The Fn key is pressed The LCD cover is opened The ring indicator RI is signaled by a serial device or a PC Card device The power switch is turned on Chapter 2 General descriptions 29 The resume timer is set In Windows 98 the Scheduled Tasks setting has priority over the Resume on timer selection in the Power Management Properties window Note The computer does not accept any input immediately after it enters suspend mode Wait a few seconds before taking any action to reenter operation mode Hibernation mode j Note for Windows NT A Windows NT user cannot create a hibernation file in a Windows NT system that uses NTFS format the Windows NT default format If you want to use hibernation mode you will need to reinstall Windows NT with FAT format In hibernation mode the following occurs j Notes The system status RAM VRAM and setup data are stored on the hard disk The system is powered off 1 In the ThinkPad Configuration program the computer can be set to suspend hibernate whi
82. s to ensure general safety Observe good housekeeping in the area of the machines during and after maintenance When lifting any heavy object 1 Ensure 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 objects that weigh more than 16 kg 35 Ib or objects that you think are too heavy for you Do not perform any action that causes hazards or that makes the equipment unsafe Before you start the machine ensure that other service representatives and the customer s personnel are not in a hazardous position Place removed covers and other parts in a safe place away from all personnel while you are servicing the machine 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 Ensure that your sleeves are fastened or rolled up above your elbows If your hair is long fasten it Insert the ends of your necktie or scarf inside clothing or fasten it with a non conductive clip approximately 8 centimeters 3 inches from the end Do not wear jewelry chains metal frame eyeglasses or metal fasteners for your clothing Attention Me
83. sive force or from being dropped Scratched cosmetic parts Cracked or broken plastic parts broken latches broken pins or broken connectors caused 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 Damage caused by foreign material in the diskette drive Diskette drive damage caused by pressure on the diskette drive cover or by the insertion of a diskette with multiple labels Damaged or bent diskette eject button Fuses blown by attachment of a non supported device Forgotten computer password making the computer unusable The following symptoms might indicate damage caused by non warranted activities Missing parts might be a symptom of unauthorized service or modification fthe spindle of a hard disk drive becomes noisy it may have been subjected to excessive force or from being dropped 22 ThinkPad X20 X21 X22 X23 X24 19990303 errors can be caused by exposure to strong magnetic fields Chapter 2 General descriptions 23 Related service information This section provides information about the following Service Website Passwords Power management Service Web site The latest maintenance diskette is available at http www pc ibm com partner infotips The latest system program service diskette is available at http www pc ibm com us support thinkpad t
84. tal objects are good electrical conductors 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 12 ThinkPad X20 X21 X22 X23 X24 After service reinstall all safety shields guards labels and ground wires Replace any safety device that is worn or defective Reinstall all covers correctly before returning the machine to the customer Electrical safety Observe the following rules when working on electrical equipment j 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 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 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 Before you start to work on the machine unplug
85. ted or battery operated system You can use coax or connector outside shells on these systems 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 16 ThinkPad X20 X21 X22 X23 X24 Laser compliance statement Some IBM Personal Computer models are equipped from the factory with a CD ROM drive CD ROM drives are also sold separately as options The CD ROM drive is a laser product The CD ROM drive is certified in the U S to conform to the requirements of the Department of Health and Human Services 21 Code of Federal Regulations DHHS 21 CFR Subchapter J for Class 1 laser products 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 When a CD ROM drive is installed note the following A Chapter 1 Introduction 17 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 exposi o radia o PLAS TERR BE Pe BITE WE 172 Ms FBU 85 Pour
86. terien des Typs verwenden der in der Ersatzteilliste aufgef hrt ist Der Einsatz falscher Batterien kann zu Entz ndung oder Explosion f hren Alcune batterie di riserva contengono una piccola quantit di nichel e cadmio Non smontarle ricaricarle gettarle nel fuoco o nell acqua n 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 4 ThinkPad X20 X21 X22 X23 X24 Safety Notice 2 3 3 Algunas bater as de reserva contienen una peque a cantidad de n quel y cadmio No las desmonte ni recargue ni las eche al fuego o al agua ni las cortocircuite Des chelas tal como dispone la normativa local Utilice s lo bater as que se encuentren en la lista de piezas La utilizaci n de una bater a no apropiada puede provocar la ignici n o explosi n de la misma Chapter 1 Introduction 5 Safety Notice 3 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 appropriat
87. tery Li lon 6cell Sanyo W W 02K6758 Chapter 3 ThinkPad X20 X21 X22 X23 X24 115 Battery Li lon 6cell Panasonic 02K6760 Battery Li lon 6cell Sanyo Japan 02K6845 Battery Li lon 6cell Panasonic Japan 02K6846 18 Screw Cap Bottom 04P3528 19 EDC Board 26P8181 20 IRDA Port 26P8168 IR 1394 Sub card 26P8169 21 Gasket 802 11b Combo Card 46L4908 116 ThinkPad X20 X21 X22 X23 X24 For X23 No FRU P N 1 Hinge cover Bluetooth 46L6540 Hinge cover 802 11 Non antenna 46L6571 2 KBD Control Panel X23 46L6542 3 Keyboard FRU Chapter 3 ThinkPad X20 X21 X22 X23 X24 117 4 Keyboard bezel Keyboard bezel 26P9815 Keyboard bezel Korea 26P9816 5 Insulation 26P9833 6 Mini PCI Combo card STRATA 06P3809 Mini PCI modem Ambit 08K4853 Mini PCI Combo Card Actiontec 12P3657 7 Modem Cable Conn ASM RJ11 RJ45 27L0696 8 Card Bus Slot 04P3180 9 FAN W O HeatPipe 46L4936 10 Speaker 26P9814 11 Planar Tual 866MHZ W Cript Chip W O 1394 12P3803 A6 B1 A4 B0 26P8260 Tual 866MHZ W O Cript Chip W O 12P3807 1394 A6 B1 A4 B0 26P8261 Tual 866MHZ W O Cript Chip W 1394 12P3811 A6 B1 A4 B0 26P8262 Tual 800MHZ W O Cript Chip W O 12P3815 1394 A6 B1 A4 B0 26P8263 Tual 800MHZ W O Cript Chip W 1394 12P3819 A6 B1 A
88. 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 f you need to work on a machine that has exposed electrical circuits observe the following precautions 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 Chapter 1 Introduction 13 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 these instructions are in the safety sections of maintenance information Use extreme care when measuring high voltages Regularly inspect and maintain your electrical hand tools for safe operational condition Do not use worn or broken tools and testers Never assume that power has been disconnected from a circuit First check that it has
89. tity Torque M2 x 3 5mm 19 6 Nem 2 kgfcm Nylock coated 2 Silver When installing Make sure that you fasten the connector firmly Chapter 3 ThinkPad X20 X21 X22 X23 24 83 1150 PC Card slot assembly Battery pack 1010 Keyboard assembly 1050 CDC adapter 1080 BDC adapter 1090 Fan assembly 1100 Wirelesslan assembly 11100 LCD assembly 1120 Case keyboard deck 1130 Speaker 1140 For X20 X21 Step Screw quantity Torque M2 x 3mm 2 White 14 7 1 5 kgfcm M2 x 6mm Nylock coated 19 6 Ncm 2 kgfcm 2 BK 84 ThinkPad X20 X21 X22 X23 X24 For X22 X23 X24 Step Screw quantity Torque M2 x 3 5mm 2 Silver 14 7 Ncm 1 5 kgfcm M2 x 6mm Nylock coated 19 6 Ncm 2 kgfcm 2 BK 1160 IRDA Port Battery pack 1010 Keyboard assembly 1050 CDC adapter 1080 BDC adapter 1090 Fan assembly 1100 Wirelesslan assembly 1110 LCD assembly 1120 Case keyboard deck 1130 Speaker 1140 PC Card slot assembly 1150 Chapter 3 ThinkPad X20 X21 X22 X23 X24 85 For X22 X23 X24 Step Screw quantity Torque M2 x 3 5mm 2 Nylock coated Silver 19 6 Ncm 2 kgfcm 86 ThinkPad X20 X21 X22 X23 X24 1170 RJ11 RJ45 Battery pack 1010 Keyboard assembly 1050 CDC adapter 1080 BDC adapter 1090 Fan assembly 1100 Wirelesslan assembly 1
90. vices to reset either the user or the master HDPs nor 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 information stored in the IBM BIOS Setup Utility The SVP must be entered in order to access the IBM BIOS Setup Utility and make changes to system configuration settings 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 the POP do the following A If SVP is installed and known by the servicer Power on the computer while pressing and holding F1 2 Enter the supervisor password The IBM BIOS Setup Utility menu appears 3 Select Password using the cursor keys to move down the menu Select Power on password A pop up window opens 5 Enter the password When the Enter New Password field opens leave it blank and press Enter twice Press F10 then click Exit 7 Select Yes in the Setup Configuration window The POP has been removed Chapter 2 General descriptions 27 B If SVP is not installed Turn off the computer 2 Remove the DIMM cover from the bottom of the computer 3 Remove the backup battery For information on how to remove the backup battery see 1030 Backup battery on page 60 4 Tu

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