Lenovo ThinkPad X300 Hardware Maintenance Manual Download Page 120 | Manualshive

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background image

Locations

Front

view

1

Integrated

camera

2

ThinkLight

3

Status

indicators

Note:

For

the

description

of

each

indicator,

see

“Status

indicators”

on

page

49.

4

Power

switch

5

Security

keyhole

6

Optical

drive

or

second

battery

or

travel

cover

7

Stereo

speakers

8

Fingerprint

reader

(for

some

models)

9

TrackPoint

pointing

stick

10

TrackPoint

buttons

11

Touch

pad

buttons

12

Touch

pad

13

UltraNav

14

Volume

control

buttons

15

ThinkVantage

button

16

Built-in

microphone

2

1

3

5

6

7

8

9

10

14

13

11

15

16

7

4

12

112

ThinkPad

X300

Hardware

Maintenance

Manual

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Summary of Contents for ThinkPad X300

Page 1: ...ThinkPad X300 Hardware Maintenance Manual ...

Page 2: ......

Page 3: ...ThinkPad X300 Hardware Maintenance Manual ...

Page 4: ... developed exclusively at private expense and are sold to governmental entities as commercial items as defined by 48 C F R 2 101 with limited and restricted rights to use reproduction and disclosure LIMITED AND RESTRICTED RIGHTS NOTICE If products data computer software or services are delivered pursuant a General Services Administration GSA contract use reproduction or disclosure is subject to re...

Page 5: ...n blank mode 37 Standby mode 37 Hibernation mode 38 Symptom to FRU index 39 Numeric error codes 39 Error messages 43 Beep symptoms 44 No beep symptoms 44 LCD related symptoms 45 Intermittent problems 46 Undetermined problems 46 ThinkPad X300 47 Specifications 47 Status indicators 49 FRU tests 51 Fn key combinations 53 FRU replacement notices 55 Screw notices 55 Retaining serial numbers 56 Removing...

Page 6: ...Notices 131 Trademarks 132 iv ThinkPad X300 Hardware Maintenance Manual ...

Page 7: ...ion guidelines and safety information required in servicing computers v The product specific section includes service reference and product specific parts information Important This manual is intended only for trained servicers who are familiar with ThinkPad products Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively Before servicing a ThinkPad product be...

Page 8: ...vi ThinkPad X300 Hardware Maintenance Manual ...

Page 9: ...Pad computer v General safety on page 2 v Electrical safety on page 3 v Safety inspection guide on page 5 v Handling devices that are sensitive to electrostatic discharge on page 6 v Grounding requirements on page 6 v Safety notices multilingual translations on page 7 v Laser compliance statement on page 14 Copyright Lenovo 2008 1 ...

Page 10: ...the machine v Keep your toolcase away from walk areas so that other people will not trip over it v Do not wear loose clothing that can be trapped in the moving parts of a machine Make sure that your sleeves are fastened or rolled up above your elbows If your hair is long fasten it v Insert the ends of your necktie or scarf inside clothing or fasten it with a nonconductive clip about 8 centimeters ...

Page 11: ...bserving the above rule you may prevent a current from passing through your body When using testers set the controls correctly and use the approved probe leads and accessories for that tester Stand on suitable rubber mats obtained locally if necessary to insulate you from grounds such as metal floor strips and machine frames Observe the special safety precautions when you work with very high volta...

Page 12: ...wing parts with the power on when they are removed from their normal operating places in a machine Power supply units Pumps Blowers and fans Motor generators and similar units This practice ensures correct grounding of the units v If an electrical accident occurs Use caution do not become a victim yourself Switch off power Send another person to get medical aid 4 ThinkPad X300 Hardware Maintenance...

Page 13: ... determine whether there are any potentially unsafe conditions use the following checklist at the beginning of every service task Begin the checks with the power off and the power cord disconnected Checklist 1 Check exterior covers for damage loose broken or sharp edges 2 Power off the computer Disconnect the power cord 3 Check the power cord for a A third wire ground connector in good condition U...

Page 14: ... free work surface The mat is especially useful when handling ESD sensitive devices v Select a grounding system such as those listed below to provide protection that meets the specific service requirement Attach the ESD ground clip to any frame ground ground braid or green wire ground When working on a double insulated or battery operated system use an ESD common ground or reference point You can ...

Page 15: ...er wieder angeschlossen wird muß sichergestellt werden daß keine Schrauben Federn oder andere Kleinteile fehlen oder im Gehäuse vergessen wurden Der Computer muß geschüttelt und auf Klappergeräusche geprüft werden Metallteile oder splitter können Kurzschlüsse erzeugen Prima di accendere l elaboratore dopo che é stata effettuata la sostituzione di una FRU accertarsi che tutte le viti le molle e tut...

Page 16: ...eladen kurzgeschlossen oder Feuer oder Wasser ausgesetzt werden Die Batterie kann schwere Verbrennungen oder Verätzungen verursachen Bei der Entsorgung die örtlichen Bestimmungen für Sondermüll beachten Beim Ersetzen der Bereitschafts oder Systembatterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgeführt ist Der Einsatz falscher Batterien kann zu Entzündung oder Explosion führe...

Page 17: ... oder Wasser ausgesetzt werden Bei der Entsorgung die örtlichen Bestimmungen für Sondermüll beachten Beim Ersetzen der Batterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgeführt ist Der Einsatz falscher Batterien kann zu Entzündung oder Explosion führen La batteria contiene piccole quantità di nichel Non smontarla gettarla nel fuoco o nell acqua né cortocircuitarla Smaltirla s...

Page 18: ...100 C erhitzt oder verbrannt werden Auch darf ihr Inhalt nicht mit Wasser in Verbindung gebracht oder der zur richtigen Polung angebrachte Verbindungsstecker entfernt werden Bei der Entsorgung die örtlichen Bestimmungen für Sondermüll beachten Beim Ersetzen der Batterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgeführt ist Der Einsatz falscher Batterien kann zu Entzündung oder...

Page 19: ... kann zerbrechen wenn er unsachgemäß behandelt wird oder der Computer auf den Boden fällt Wenn der Bildschirm beschädigt ist und die darin befindliche Flüssigkeit in Kontakt mit Haut und Augen gerät sollten die betroffenen Stellen mindestens 15 Minuten mit Wasser abgespült und bei Beschwerden anschließend ein Arzt aufgesucht werden Nel caso che caso l LCD si dovesse rompere ed il liquido in esso c...

Page 20: ...onnel or combustible materials Bien que le voltage des batteries principales soit peu élevé le court circuit ou la mise à la masse d une batterie peut produire suffisamment de courant pour brûler des matériaux combustibles ou causer des brûlures corporelles graves Obwohl Hauptbatterien eine niedrige Spannung haben können sie doch bei Kurzschluß oder Erdung genug Strom abgeben um brennbare Material...

Page 21: ...s cordons d interface Die Stromzufuhr muß abgeschaltet alle Stromkabel aus der Steckdose gezogen der Akku entfernt und alle Verbindungskabel abgenommen sein bevor eine FRU entfernt wird Prima di rimuovere qualsiasi FRU spegnere il sistema scollegare dalle prese elettriche tutti i cavi di alimentazione rimuovere la batteria e poi scollegare i cavi di interconnessione Antes de quitar una FRU apague ...

Page 22: ... in exposure to hazardous laser radiation There are no serviceable parts inside those drives Do not open CAUTION Use of controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure O uso de controles ajustes ou desempenho de procedimentos diferentes daqueles aqui especificados pode resultar em perigosa exposição à radiação Pour...

Page 23: ...si carter ouvert Évitez de fixer le faisceau de le regarder directement avec des instruments optiques ou de vous exposer au rayon Laserstrahlung bei geöffnetem Gerät Nicht direkt oder über optische Instrumente in den Laserstrahl sehen und den Strahlungsbereich meiden Kinyitáskor lézersugár Ne nézzen bele se szabad szemmel se optikai eszközökkel Kerülje a sugárnyalábbal való érintkezést Aprendo l u...

Page 24: ...16 ThinkPad X300 Hardware Maintenance Manual ...

Page 25: ...re customer installable The BIOS and device drivers are posted on the customer support site http www lenovo com support Advise customers to contact the Customer Support Center at 800 426 7378 if they need assistance in obtaining or installing any software fixes drivers and BIOS downloads Customers in Canada should call the Customer Support Center at 800 565 3344 for assistance or download informat...

Page 26: ...he customer has a current backup of the data before doing this task Attention The drive startup sequence in the computer you are servicing may have been changed Be extremely careful during write operations such as copying saving or formatting If you select an incorrect drive data or programs can be overwritten Important notice for replacing a system board Some components mounted on a system board ...

Page 27: ... 4 digit MT and 3 digit CTO model only Example 1829 CTO Again CMVs are custom models and are not found in the HMM General Announce Variant GAV This is a standard model fixed configuration GAVs are announced and offered to all customers The MTM portion of the machine label is a 4 digit MT and 3 digit model where model a fixed part number not CTO Example 1829 F1U Also PEW eSupport and the HMM will l...

Page 28: ...novo com support v To view the key commodities click on PARTS INFORMATION then PARTS LOOKUP Type in the model type and serial number The key commodities will be returned in the eSupport record under PARTS SHIPPED WITH YOUR SYSTEM For the Remaining FRUs the complete list of FRUs at the MT Model level v eSupport can be used to view the complete list of FRUs for a machine type and model v To view the...

Page 29: ...ate and expects its suppliers to be ready to support Lenovo s requirements and schedule in the EU Products sold in 2005 and 2006 will contain some RoHS compliant FRUs The following statement pertains to these products and any product Lenovo produces containing RoHS compliant FRUs RoHS compliant FRUs have unique FRU part numbers Before or after the RoHS implementation date failed RoHS compliant par...

Page 30: ...22 ThinkPad X300 Hardware Maintenance Manual ...

Page 31: ...coated screws v Be extremely careful during such write operations as copying saving or formatting Drives in the computer that you are servicing sequence might have been altered If you select an incorrect drive data or programs might be overwritten v Replace a FRU only with another FRU of the correct model When you replace a FRU make sure that the model of the machine and the FRU part number are co...

Page 32: ...referring to the following list The following are not covered under warranty v LCD panel cracked from the application of excessive force or from being dropped v Scratched cosmetic parts v Distortion deformation or discoloration of the cosmetic parts v Plastic parts latches pins or connectors that have been cracked or broken by excessive force v Damage caused by liquid spilled into the system v Dam...

Page 33: ...to test only ThinkPad products The use of non ThinkPad products prototype cards or modified options can lead to false indications of errors and invalid system responses 1 Identify the failing symptoms in as much detail as possible 2 Verify the symptoms Try to re create the failure by running the diagnostic test or by repeating the operation General checkout 25 ...

Page 34: ...Enter F10 and then Enter Note When you initialize the computer configuration some devices are disabled such as the serial port If you test one of these devices you will need to enable it by using Configuration utility for DOS The utility is available on the following Web site http www lenovo com support Testing the computer To run the test do as follows Note In the following procedure you can sele...

Page 35: ...CD display on the ThinkPad computer If you have an external monitor attached to your computer detach it before running PC Doctor for DOS v To test Digital Signature Chip the security chip must be set to Active 4 Run the applicable function test 5 Follow the instructions on the screen If there is a problem PC Doctor shows messages describing it 6 To exit the test select Quit Exit Diag To cancel the...

Page 36: ...og v Full Erase Hard Drive v Quick Erase Hard Drive PC Doctor for Windows This product is designed to help you troubleshoot and resolve problems related to your computer Select one of the categories listed below to display symptoms and solutions v Check System Health v System and Device Tests v Lenovo Troubleshooting Center v System Reports v Updates and Support PC Doctor for Rescue and Recovery I...

Page 37: ...r problem occurs only when the ThinkPad Essential Port Replicator is used replace the port replicator v If the power on indicator does not turn on check the power cord of the AC adapter for correct continuity and installation v If the computer does not charge during operation go to Checking operational charging on page 30 To check the AC adapter do the following 1 Unplug the AC adapter cable from ...

Page 38: ...Meter icon in the icon tray of the Windows taskbar and wait for a moment but do not click and the percentage of battery power remaining is displayed To get detailed information about the battery double click the Power Meter icon Note If the battery pack becomes hot it may not be able to charge Remove it from the computer and leave it at room temperature for a while After it cools down reinstall an...

Page 39: ...move the backup battery see 1090 Backup battery on page 77 5 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 v If the voltage is correct replace the system board v If the voltage is not correct replace the backup battery v If the backup battery discharges quickly after replacement replace the system board General checkout 3...

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Page 41: ... message giving a warning that USB devices used in recovery must be connected when the computer is turned on appears Click OK 3 Restore Your System window appears Select Restore my hard drive to the original factory state and click Next A warning appears click Yes Then next menu appears Select I do not want to save any files and click Next Following menu appears with a warning select Next A warnin...

Page 42: ...ight side of the screen The processes updating installed softwares A warning that antivirus software is not installed appears repeatedly in the system tray but this should be ignored The entire process at desktop takes about 25 minutes 9 Then the computer restarts does some more DOS full screen processing and restarts again to a Windows desktop where factory preinstallation continues for about 12 ...

Page 43: ...or password A supervisor password SVP protects the system information stored in the BIOS Setup Utility The user must enter the SVP in order to get access to the BIOS Setup Utility and change the system configuration Attention If the SVP has been forgotten and cannot be made available to the servicer there is no service procedure to reset the password The system board must be replaced for a schedul...

Page 44: ... to recover data from the hard disk drive The hard disk drive can be replaced for a scheduled fee To remove a user HDP that has been forgotten when the SVP and the master HDP are known do the following 1 Turn on the computer 2 When the ThinkPad logo comes up immediately press F1 to enterBIOS Setup Utility For models supporting the Passphrase function press F1 while HDP icon is appearing on the scr...

Page 45: ...ckPoint the hard disk the parallel connector or the diskette drive within that time v If the battery indicator blinks orange indicating that the battery power is low Alternatively if Hibernate when battery becomes low has been selected in the Power Management Properties window the computer goes into hibernation mode Note for the APM operating system Even if you do not set the low battery alarm the...

Page 46: ...wing actions as the event that causes the system to go into hibernation mode perform that action Closing the lid Pressing the power button Pressing Fn F4 keys Also the computer goes into hibernation mode automatically in either of the following conditions v If a hibernation time has been set on the timer and if the user does not do any operation with the keyboard the TrackPoint the hard disk drive...

Page 47: ...eck the narrative descriptions of symptoms If the symptom is not described there go to Intermittent problems on page 46 Numeric error codes Table 1 Numeric error codes Symptom or error FRU or action in sequence 0175 Bad CRC1 stop POST task The EEPROM checksum is not correct System board 0176 System Security The system has been tampered with 1 Run BIOS Setup Utility and save the current setting by ...

Page 48: ...evice that you installed or press Esc to ignore the warning message 2 System board 01CA More than one Wireless LAN devices are found Remove one of them 1 Remove the wireless LAN device that you installed 2 System board 0200 Hard disk error The hard disk is not working 1 Reseat the hard disk drive 2 Load Setup Defaults in BIOS Setup Utility 3 Hard disk drive 4 System board 021x Keyboard error Run i...

Page 49: ...board 0271 Date and time error Neither the date nor the time is set in the computer Run BIOS Setup Utility to reset the time and date 0280 Previous boot incomplete Default configuration used 1 Load Setup Default in BIOS Setup Utility 2 DIMM 3 System board 02F0 CPU ID xx Failed 1 CPU 2 System board 02F4 EISA CMOS not writable 1 Load Setup Defaults in BIOS Setup Utility 2 Replace the backup battery ...

Page 50: ...sk drive HDD may not function correctly on this system Ensure that your HDD is supported on this system and that the latest HDD firmware is installed Inform the following information to the customer If in the primary bay the customer is using a non IBM or non Lenovo hard disk drive HDD or an old generation IBM HDD which is not supported by this system with the risk in mind the customer can still u...

Page 51: ... 1 Restore the system configuration to what it was before the computer entered hibernation mode 2 If memory size has been changed re create the hibernation file Fan error 1 Fan 2 Thermal grease 3 System board Thermal sensing error System board Cannot boot from any device Check the status of device which you want to boot from Device not found 1 The device you want to boot from 2 System board Device...

Page 52: ...eps and one short beep Only the cursor appears Reinstall the operating system Four cycles of four short beeps and a blank screen System board security chip Five short beeps and a blank screen System board No beep symptoms Table 4 No beep symptoms Symptom or error FRU or action in sequence No beep power on indicator on LCD blank and no POST 1 Make sure that every connector is connected tightly and ...

Page 53: ... blank LCD during POST System board v LCD backlight not working v LCD too dark v LCD brightness cannot be adjusted v LCD contrast cannot be adjusted 1 Reseat the LCD connectors 2 LCD assembly 3 System board v LCD screen unreadable v Characters missing pixels v Screen abnormal v Wrong color displayed 1 See important note for LCD related symptoms 2 Reseat all LCD connectors 3 LCD assembly 4 System b...

Page 54: ...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 29 1 Turn off the computer 2 Visually check each FRU for damage Replace any damaged FRU 3 Remove or disconnect all of the following devices a Non ThinkPad devic...

Page 55: ...ic memory chip v Intel GS965 graphics Display v 13 3 inch 16M colors WXGA 1440 900 resolution TFT color LCD Standard memory v 512 MB DDR2 667 SDRAM SO DIMM PC2 5300 card 1 v 1 GB DDR2 667 SDRAM SO DIMM PC2 5300 card 1 v 2 GB DDR2 667 SDRAM SO DIMM PC2 5300 card 1 Extended memory device some models v Intel Turbo Memory 1 GB Minicard Optional memory v 512 MB DDR2 667 SDRAM SO DIMM PC2 5300 card 1 v ...

Page 56: ...apter v Sierra Wireless MC8755 PCI Express MiniCard v Wireless USB PCI Express Half Mini Card Bluetooth wireless v ThinkPad Bluetooth with Enhanced Data Rate BDC 2 Touch pad v UltraNav ThinkLight Yes Battery v Li Polymer battery 3 cells 2 44 Ah v Li ion second battery 6 cells 4 0 Ah AC adapter v 65 watt type Preinstalled operating system v Windows XP Professional v Windows Vista Business 32 bit v ...

Page 57: ...Status indicators The system status indicators show the status of the computer as follows 2 1 3 4 5 6 7 8 9 10 2 3 4 ThinkPad X300 49 ...

Page 58: ...apacity 5 Drive in use Green Data is being read from or written to the hard disk drive the diskette drive or the drive in the Optical bay device When this indicator is on do not put the computer into standby mode or turn off the computer Note Do not move the system while the green drive in use light is on Sudden physical shock could cause drive errors 6 Num lock Green The numeric keypad on the key...

Page 59: ...e BIOS Setup Utility and change Serial ATA SATA setting to Compatibility and run Diagnostics Fixed Disks You can also diagnose the drive without starting up the operating system To diagnose the drive from the BIOS Setup Utility do as follows 1 Remove any diskette from the diskette drive and then turn off the computer 2 Turn on the computer 3 While the message To interrupt normal startup press the ...

Page 60: ... short time This drift can occur when a slight steady pressure is applied to the TrackPoint pointer This symptom is not a hardware problem If the pointer stops after a short time no service action is necessary If enabling the TrackPoint does not correct the problem continue with the following v Interactive Tests Mouse Touch Pad If the Touch Pad does not work check the configuration as specified in...

Page 61: ... the computer in standby mode To return to normal operation press the Fn key only without pressing a function key Notes 1 To use the Fn F4 key combination you must have the ThinkPad PM device driver installed on the computer 2 This combination of keys also functions as a sleep button If you want to use the combination to put the computer into hibernation mode or shut the computer down change the s...

Page 62: ...ect stop or remove external devices connected to the ThinkPad computer v Configure EasyEject Actions Opens the ThinkPad EasyEject Utility main window v Fn F9 Settings Configures the settings for the Fn F9 function Fn F10 Reserved Fn F11 Reserved Fn F12 Put the computer into hibernation mode To return to normal operation press the power button for less than four seconds Note To use Fn F12 for hiber...

Page 63: ...tool bag v Always use new screws v Use a torque screwdriver if you have one Tighten screws as follows v Plastic to plastic Turn an additional 90 degrees after the screw head touches the surface of the plastic part 90 degrees more Cross section v Logic card to plastic Turn an additional 180 degrees after the screw head touches the surface of the logic card 180 degrees more Cross section v Torque dr...

Page 64: ...llows v 20 Serial number Write down that number Note The serial number of the system unit is also written on the label attached to the bottom of the computer After you have replaced the system board restore the serial number by doing the following 1 Install the ThinkPad Hardware Maintenance Diskette Version 1 73 or later and restart the computer 2 From the main menu select 1 Set System Identificat...

Page 65: ...box build date from EEPROM and follow the instruction on the screen After an ECA has been applied to the machine the EEPROM must be updated to reflect the ECA s application Use the ThinkPad Hardware Maintenance Diskette Version 1 73 or later to update the EEPROM Note Only the ECA number is stored in the EEPROM The machine type of the ECA is assumed be the same as the machine type of the machine th...

Page 66: ... To put the new FRU in place reverse the removal procedure and follow any notes that pertain to replacement For information about connecting and arranging internal cables see Locations on page 112 8 When replacing a FRU use the correct screw as shown in the procedures DANGER Attention After replacing a FRU do not turn on the computer until you have made sure that all screws springs and other small...

Page 67: ...e servicing To remove the SIM card you need to remove the battery pack first See 1010 Battery pack on page 60 After you finish the servicing make sure that you insert the card back into the slot firmly Notice on disconnecting the cable from flip lock ZIF connector Some cables used in the ThinkPad X300 are connected to the flip lock ZIF connectors When disconnecting the cable from those connectors ...

Page 68: ...tion 2 remove the battery pack in the direction shown by arrow 3 and 4 Note Large battery used in some models only has one battery latch 3 4 1 2 When installing Install the battery pack along the slide rails of the slot Then make sure that the battery release lever is in the locked position 60 ThinkPad X300 Hardware Maintenance Manual ...

Page 69: ...ve this FRU v 1010 Battery pack on page 60 Table 12 Removal steps of second battery or travel cover Note For models with the travel cover skip step 1 1 Step Screw quantity Color Torque 1 M2 6 mm bind head nylon coated 1 Black 0 167 Nm 1 7 kgfcm 2 3 ThinkPad X300 61 ...

Page 70: ...e screw nylon coated 1 Black 0 167 Nm 1 7 kgfcm Attention v Do not drop the drive or apply any physical shock to it The drive is sensitive to physical shock Improper handling can cause damage and permanent loss of data v Before removing the drive have the user make a backup copy of all the information on it if possible v Never remove the drive while the system is operating or is in suspend mode 62...

Page 71: ...Table 13 Removal steps of SSD continued 3 When installing Make sure that the SSD connector is attached firmly 4 ThinkPad X300 63 ...

Page 72: ... FRUs in order v 1010 Battery pack on page 60 v 1020 Second battery or travel cover some models on page 61 Table 14 Removal steps of DIMM Note Loosen the screws 1 but do not remove them 1 2 64 ThinkPad X300 Hardware Maintenance Manual ...

Page 73: ...ervicing the card must be installed in SLOT 0 a but not in SLOT 1 b 3 4 3 a b When installing Insert the notched end of the DIMM into the socket Press the DIMM firmly and pivot it until it snaps into the place Make sure that it is firmly fixed in the slot and does not move easily ThinkPad X300 65 ...

Page 74: ... FRUs in order v 1010 Battery pack on page 60 v 1020 Second battery or travel cover some models on page 61 Table 15 Removal steps of PCI Express Mini Card for wireless LAN Note Loosen the screws 1 but do not remove them 1 2 66 ThinkPad X300 Hardware Maintenance Manual ...

Page 75: ...removal tool antenna RF connector P N 08K7159 or pick the connectors with your fingers and gently unplug them in direction of the arrow Note Some models might have only two antenna cables in step 3 3 4 4 Step Screw quantity Color Torque 4 M2 3 mm small head nylon coated 2 Silver 0 167 Nm 1 7 kgfcm 5 ThinkPad X300 67 ...

Page 76: ... the black cable into the jack labeled AUX on the card If the computer you are servicing has three cables put the white cable in the cable holder v In models with 802 11 a b g n wireless LAN card plug the gray cable MAIN into the jack labeled TR1 the white cable 3rd into jack labeled R0 and the black cable AUX into jack labeled TR2 on the card 68 ThinkPad X300 Hardware Maintenance Manual ...

Page 77: ...s remove these FRUs in order v 1010 Battery pack on page 60 v 1020 Second battery or travel cover some models on page 61 Table 16 Removal steps of wireless USB adapter Note Loosen the screws 1 but do not remove them 1 2 ThinkPad X300 69 ...

Page 78: ...tor P N 08K7159 or pick the connectors with your fingers and gently unplug them in direction of the arrow 4 4 3 Step Screw quantity Color Torque 4 For Japan M2 3 mm tamper proof 2 Black 0 189 Nm 1 85 kgfcm Other than Japan M2 3 mm small head nylon coated 2 Silver 0 189 Nm 1 85 kgfcm 70 ThinkPad X300 Hardware Maintenance Manual ...

Page 79: ...Table 16 Removal steps of wireless USB adapter continued 5 ThinkPad X300 71 ...

Page 80: ...lled on the computer you are servicing you need to remove it before removing the screw that secures the keyboard In models with the travel cover screw 1a should have been removed when you removed the travel cover 1a 1 Step Screw quantity Color Torque 1 M2 6 mm bind head nylon coated 1 Black 0 167 Nm 1 7 kgfcm 1a M2 6 mm bind head nylon coated 1 Black 0 167 Nm 1 7 kgfcm 72 ThinkPad X300 Hardware Ma...

Page 81: ...Table 17 Removal steps of keyboard continued 2 3 3 3 Lift the keyboard a little in the direction shown by arrow 4 and then detach the connector 5 4 5 ThinkPad X300 73 ...

Page 82: ... do as follows Table 18 Installation of the keyboard 1 Attach the keyboard connector 2 Attach the keyboard so that the keyboard edges a are under the frame as shown in this figure a a a 74 ThinkPad X300 Hardware Maintenance Manual ...

Page 83: ... 3 To make sure that the front side of the keyboard is housed firmly gently press the keys with your thumbs and try to slide the keyboard toward you 4 Secure the keyboard by tightening the screws from the bottom side of the computer ThinkPad X300 75 ...

Page 84: ...080 Optical drive For access remove these FRUs in order v 1010 Battery pack on page 60 v 1070 Keyboard on page 72 Table 19 Removal steps of optical drive 1 2 76 ThinkPad X300 Hardware Maintenance Manual ...

Page 85: ...ttery or travel cover some models on page 61 v 1070 Keyboard on page 72 Table 20 Removal steps of backup battery 1 2 When installing Make sure that the battery connector is attached firmly Use only the battery specified in the parts list for your computer Any other battery could ignite or explode ThinkPad X300 77 ...

Page 86: ...al steps of palm rest 1 2 Step Screw quantity Color Torque 2 M2 3 mm small head nylon coated 1 Black 0 167 Nm 1 7 kgfcm Note In models with the fingerprint reader the sensor is attached to the palm rest FRU If the fingerprint reader has any defects you can replace it by the procedures given in this section which are the same for a palm rest with or without a fingerprint reader 78 ThinkPad X300 Har...

Page 87: ...4 2 2 3 3 4 3 3 2 2 Step Screw quantity Color Torque 2 M2 6 mm bind head nylon coated 4 Black 0 167 Nm 1 7 kgfcm 3 M2 4 mm bind head nylon coated 4 Black 0 167 Nm 1 7 kgfcm 4 M2 shoulder nylon coated 2 Black 0 167 Nm 1 7 kgfcm 5 6 ThinkPad X300 79 ...

Page 88: ...Table 21 Removal steps of palm rest continued 8 7 7 8 8 80 ThinkPad X300 Hardware Maintenance Manual ...

Page 89: ...ravel cover some models on page 61 v 1070 Keyboard on page 72 v 1100 Palm rest or palm rest with fingerprint reader on page 78 Table 22 Removal steps of BDC 2 1 2 Step Screw quantity Color Torque 1 M2 6 mm bind head nylon coated 1 Black 0 167 Nm 1 7 kgfcm When installing Make sure that connector is attached firmly ThinkPad X300 81 ...

Page 90: ...xpress Mini Card for wireless LAN on page 66 v 1060 Wireless USB adapter on page 69 v 1070 Keyboard on page 72 v 1100 Palm rest or palm rest with fingerprint reader on page 78 Table 23 Removal steps of keyboard bezel 1 1 1 1 1 Step Screw quantity Color Torque 1 M2 6 mm bind head nylon coated 5 Black 0 167 Nm 1 7 kgfcm 82 ThinkPad X300 Hardware Maintenance Manual ...

Page 91: ...l steps of keyboard bezel continued 3 2 2 Step Screw quantity Color Torque 2 M2 6 mm bind head nylon coated 2 Black 0 167 Nm 1 7 kgfcm 3 M2 4 mm bind head nylon coated 1 Black 0 167 Nm 1 7 kgfcm 5 4 5 ThinkPad X300 83 ...

Page 92: ...Removal steps of keyboard bezel continued 6 Note Before step 8 pull the cables out from the cable guide hole of the keyboard bezel as shown in a in this figure 8 7 a 84 ThinkPad X300 Hardware Maintenance Manual ...

Page 93: ...N on page 66 v 1060 Wireless USB adapter on page 69 v 1070 Keyboard on page 72 v 1100 Palm rest or palm rest with fingerprint reader on page 78 v 1120 Keyboard bezel on page 82 Table 24 Removal steps of audio FPC and audio sub card Note Step from 1 to 4 are for the audio FPC and step 5 to 7 are for the audio sub card 1 2 3 4 When installing Make sure that the connectors are attached firmly ThinkPa...

Page 94: ...and audio sub card continued 6 7 6 5 Step Screw quantity Color Torque 6 M2 4 mm bind head nylon coated 2 Black 0 167 Nm 1 7 kgfcm When installing Make sure that the connector is attached firmly 86 ThinkPad X300 Hardware Maintenance Manual ...

Page 95: ... v 1070 Keyboard on page 72 v 1100 Palm rest or palm rest with fingerprint reader on page 78 v 1120 Keyboard bezel on page 82 v 1130 Audio FPC and audio sub card on page 85 Table 25 Removal steps of speaker assembly 1 2 3 1 Step Screw quantity Color Torque 1 M2 4 mm bind head nylon coated 2 Black 0 167 Nm 1 7 kgfcm When installing Make sure that the speaker connector is attached firmly and the cab...

Page 96: ...SB adapter on page 69 v 1070 Keyboard on page 72 v 1100 Palm rest or palm rest with fingerprint reader on page 78 v 1120 Keyboard bezel on page 82 Table 26 Removal steps of LCD assembly 1 1 Step Screw quantity Color Torque 1 M2 6 mm bind head nylon coated 2 Black 0 167 Nm 1 7 kgfcm 2 2 Step Screw quantity Color Torque 2 M2 6 mm bind head nylon coated 2 Black 0 167 Nm 1 7 kgfcm 88 ThinkPad X300 Har...

Page 97: ...Table 26 Removal steps of LCD assembly continued 4 5 5 3 Step Screw quantity Color Torque 4 M2 3 mm small head nylon coated 1 Silver 0 167 Nm 1 7 kgfcm 6 6 ThinkPad X300 89 ...

Page 98: ...1 When you route the cables make sure that they are not subjected to any tension Tension could cause the cables to be damaged by the cable guides or a wire to be broken 2 Make sure that the LCD connector is attached firmly 90 ThinkPad X300 Hardware Maintenance Manual ...

Page 99: ...ireless USB adapter on page 69 v 1070 Keyboard on page 72 v 1100 Palm rest or palm rest with fingerprint reader on page 78 v 1120 Keyboard bezel on page 82 v 1150 LCD assembly on page 88 Table 27 Removal steps of VGA cable and DC in connector 5 3 1 1 2 4 Step Screw quantity Color Torque 1 M2 3 mm small head nylon coated 2 Silver 0 167 Nm 1 7 kgfcm When installing Make sure that the connectors are ...

Page 100: ...emoval steps of VGA cable and DC in connector continued In step 6 detach the DC in connector from the I O bracket a then detach the VGA cable from the bracket 7 6 a 7 92 ThinkPad X300 Hardware Maintenance Manual ...

Page 101: ...t and replace the system board v Avoid rough handling of any kind v At every point in the process be sure not to drop or stack the system board v If you put a system board down be sure to put it only on a padded surface such as an ESD mat or conductive corrugated material After replacing the system board run PC Doctor for DOS to make sure that HDD Active Protection still functions The procedure is...

Page 102: ...tremely sensitive When you service the system board avoid any kind of rough handling a Security chip b Accelerometer chip for the HDD Active Protection System c ICH I O Controller Hub d GMCH Integrated video chip e CPU a b c d e 94 ThinkPad X300 Hardware Maintenance Manual ...

Page 103: ...embly 1 2 Step Screw quantity Color Torque 1 M2 6 mm bind head nylon coated 1 Black 0 167 Nm 1 7 kgfcm 2 M2 3 mm small head nylon coated 1 Silver 0 167 Nm 1 7 kgfcm In step 3 remove the system board and fan assembly together from the base cover assembly 3 ThinkPad X300 95 ...

Page 104: ...quantity Color Torque 4 M2 4 mm bind head nylon coated 3 Black 0 167 Nm 1 7 kgfcm Turn the system board over and then disconnect the fan assembly from the system board 5 6 When installing Make sure that the fan connector is attached to the system board firmly 96 ThinkPad X300 Hardware Maintenance Manual ...

Page 105: ...ttach the fan assembly to the computer apply thermal grease at an amount of 0 2 grams on the part marked a as in the following figure Either too much or too less application of grease can cause a thermal problem due to imperfect contact with a component a ThinkPad X300 97 ...

Page 106: ...ss WAN LMA label 4 Israel label 5 Windows license label COA 6 Blind sheet A 7 Information label 8 Wireless WAN IMEI label or wireless WAN ESN label 9 Wireless WAN MAC address label 10 MAC address label 12 Serial number label 14 SIM ICCID label For some models you also need to apply one or two FCC labels Check the old base cover if it has one or two FCC labels find duplicates of them in the label k...

Page 107: ...d battery or travel cover some models on page 61 Table 30 Removal steps of LCD bezel assembly 2 2 2 1 1 2 Step Screw cap Screw quantity Color Torque 1 M2 4 mm small head nylon coated 2 Black 0 167 Nm 1 7 kgfcm 2 M2 3 mm small head nylon coated 4 Silver 0 167 Nm 1 7 kgfcm 3 3 3 3 3 3 4 3 3 ThinkPad X300 99 ...

Page 108: ...dling the LCD panel The LCD panel and the peripheral parts used in this product are very sensitive Improper handling of the LCD panel can cause damage to the parts and may cause a system malfunction such as a missing dot missing line or pixel problems v DO NOT apply any kind of pressure to the LCD panel v When you lift the LCD panel always hold the left and right edges of the panel with both of yo...

Page 109: ...e the S driver to be damaged When installing v Place the LCD panel on a soft and clean sheet spread on a flat table and plug the cable by pushing the left and right edges of the connector little by little with your fingers v DO NOT work by lifting the LCD panel v DO NOT plug the cable with one hand 2 When installing When attaching the LCD panel to the cover press the left and right edges covered w...

Page 110: ... and LCD cable continued 5 4 3 Step Screw quantity Color Torque 3 M2 3 mm small head nylon coated 1 Silver 0 167 Nm 1 7 kgfcm When installing Make sure that the connector is attached firmly 6 102 ThinkPad X300 Hardware Maintenance Manual ...

Page 111: ...Table 31 Removal steps of LCD panel and LCD cable continued Cable routing When you install the LCD cable route the cable as shown in this figure ThinkPad X300 103 ...

Page 112: ...r wireless LAN on page 66 v 1060 Wireless USB adapter on page 69 v 1070 Keyboard on page 72 v 1100 Palm rest or palm rest with fingerprint reader on page 78 v 1120 Keyboard bezel on page 82 v 1150 LCD assembly on page 88 v 2010 LCD bezel assembly on page 99 v 2020 LCD panel and LCD cable on page 100 Table 32 Removal steps of camera module 104 ThinkPad X300 Hardware Maintenance Manual ...

Page 113: ...gerprint reader on page 78 v 1120 Keyboard bezel on page 82 v 1150 LCD assembly on page 88 v 2010 LCD bezel assembly on page 99 v 2020 LCD panel and LCD cable on page 100 Table 33 Removal steps of antenna assembly 1 1 1 1 Step Screw quantity Color Torque 1 M2 3 mm small head nylon coated 4 Silver 0 167 Nm 1 7 kgfcm When installing As you route the cables make sure that they are not subjected to an...

Page 114: ...Table 33 Removal steps of antenna assembly continued 2 3 106 ThinkPad X300 Hardware Maintenance Manual ...

Page 115: ...Table 33 Removal steps of antenna assembly continued Cable routing When you install the antenna assembly route the cables as shown in this figure ThinkPad X300 107 ...

Page 116: ... fingerprint reader on page 78 v 1120 Keyboard bezel on page 82 v 1150 LCD assembly on page 88 v 2010 LCD bezel assembly on page 99 v 2020 LCD panel and LCD cable on page 100 v 2030 Integrated camera on page 104 v 2040 Antenna assembly on page 105 Table 34 Removal steps of hinge L and hinge R 2 2 1 1 Step Screw cap Screw quantity Color Torque 1 M2 3 mm small head nylon coated 2 Silver 0 167 Nm 1 7...

Page 117: ...Table 34 Removal steps of hinge L and hinge R continued 3 3 ThinkPad X300 109 ...

Page 118: ...age 69 v 1070 Keyboard on page 72 v 1100 Palm rest or palm rest with fingerprint reader on page 78 v 1120 Keyboard bezel on page 82 v 1150 LCD assembly on page 88 v 2010 LCD bezel assembly on page 99 v 2020 LCD panel and LCD cable on page 100 v 2030 Integrated camera on page 104 v 2040 Antenna assembly on page 105 v 2050 Hinge L and hinge R on page 108 Table 35 Removal steps of LED sub card LED ca...

Page 119: ...Table 35 Removal steps of LED sub card LED cable and LCD cover assembly continued Cable routing When you install the microphone module route the cable as shown in this figure ThinkPad X300 111 ...

Page 120: ...rity keyhole 6 Optical drive or second battery or travel cover 7 Stereo speakers 8 Fingerprint reader for some models 9 TrackPoint pointing stick 10 TrackPoint buttons 11 Touch pad buttons 12 Touch pad 13 UltraNav 14 Volume control buttons 15 ThinkVantage button 16 Built in microphone 2 1 3 5 6 7 8 9 10 14 13 11 15 16 7 4 12 112 ThinkPad X300 Hardware Maintenance Manual ...

Page 121: ...ial bus USB connectors 6 USB connector 7 Wireless radio switch 8 RJ 45 Ethernet connector 9 External monitor connector 10 AC power connector 1 2 3 4 8 7 6 9 10 5 Bottom view 1 Expansion slot DIMM wireless USB card and PCI Express Mini Card for wireless LAN 2 Solid state drive 3 Battery pack latch 4 Battery pack 5 Battery pack release lever 6 LCD cover latch 1 3 2 4 5 6 ThinkPad X300 113 ...

Page 122: ...e These CRUs unplug from the computer Examples of these types of CRUs include an ac adapter an external keyboard a mouse a power cord a port replicator a USB device and an external bay device adapter External CRUs with latches These CRUs have a latch to help you to remove and replace the part Examples of these types of CRUs include a battery pack an Ultrabay device such as an optical drive a hard ...

Page 123: ... 11 12 13 b 14 15 16 17 18 19 20 21 22 a Table 36 Parts list Overall No FRU FRU no RoHS ID CRU ID a b See Miscellaneous parts on page 122 1 LCD unit see LCD FRUs on page 120 2 Keyboard bezel assembly 42X5136 R N ThinkPad X300 115 ...

Page 124: ...R US Cingular 42T0933 R 3 Intel Turbo Memory 1GB v 2748 CTO v 2749 CTO v 4052 CTO v 6476 CTO 14x v 6477 CTO v 6478 CTO 42T0907 R 4 Backup battery 42T4524 R 5 System board assembly Intel GS965 SFF 42W7871 R N 6 Intel Wireless WiFi Link 4965AGN v 2748 CTO v 2749 CTO v 4052 CTO 1Tx v 6476 CTO 11x 12x 14x v 6477 CTO 17x 18x 19x 1Ax 1Dx 1Fx 1Gx 1Px 1Rx 1Tx 1Ux 1Zx v 6478 CTO 14x 15x 16x 18x 1Hx 1Jx 1Tx...

Page 125: ...6477 CTO 1Zx v 6478 CTO 1Jx US 42T0971 R Japan 42T0973 R N 8 VGA cable 44C4046 R N 9 DC in cable 44C4045 R N 10 DVD RW CD RW combo drive 7 mm PCC UJ 844 v 2748 CTO v 2749 CTO v 4052 CTO 1Tx v 6476 CTO 12x 14x v 6477 CTO 17x 19x 1Ax 1Ex 1Fx 1Gx 1Rx 1Tx 1Ux 1Zx v 6478 CTO 14x 15x 16x 18x 1Hx 1Jx 1Tx 1Vx 1Yx 42T2509 R 10 Second battery Li Polymer 3 cell Sony v 2748 CTO v 2749 CTO v 4052 CTO v 6476 CT...

Page 126: ...embly for 6477 42X5139 R N 12 Base cover assembly for 6478 42X5140 R N 13 SATA solid state drive assembly 64 GB 8 mm Samsung v 2748 CTO v 2749 CTO v 4052 CTO 1Tx v 6476 CTO 11x 12x v 6477 CTO 17x 18x 19x 1Ax 1Cx 1Dx 1Ex 1Fx 1Gx 1Px 1Rx 1Tx 1Ux 1Zx v 6478 CTO 14x 15x 16x 18x 1Hx 1Jx 1Tx 1Vx 1Yx 42T1898 R 14 Speaker assembly 42X4670 R N 15 Fan 42X5067 R N 16 Audio sub card 42W7899 R N 17 Audio FPC 4...

Page 127: ...O v 2749 CTO v 4052 CTO 1Tx v 6476 CTO v 6477 CTO 1Tx 1Ux 1Zx v 6478 CTO 18x 19x 1Hx 1Jx 1Tx 1Vx 1Yx 40Y8404 R 20 Palm rest assembly with fingerprint reader 42X5021 R 21 Keyboard see Keyboard on page 121 22 TrackPoint stick caps 91P9642 R Thermal grease 91P8835 R N AC adapter see AC adapters on page 124 ThinkPad X300 119 ...

Page 128: ...T0476 R N 3 Antenna 44C4042 R N 4 Hinge R 42X5134 R N 5 LCD cover assembly 42X5132 R N 6 LCD cable 44C4044 R N 7 Integrated camera v 2748 CTO v 2749 CTO v 4052 CTO 1Tx v 6476 CTO 12x v 6477 CTO 17x 18x 19x 1Ax 1Cx 1Dx 1Ex 1Fx 1Gx 1Px 1Rx 1Tx 1Ux 1Zx v 6478 CTO 14x 15x 16x 18x 1Hx 1Jx 42T3564 R N 8 Hinge L 42X5135 R N 9 LED cable 44C4043 R N 120 ThinkPad X300 Hardware Maintenance Manual ...

Page 129: ... Swedish 42T3607 French 42T3605 German 42T3603 Greek U S English and Greek layout 42T3622 Hebrew 42T3617 Hungarian 42T3621 Icelandic 42T3632 Italian 42T3610 Japanese 42T3625 Korean 42T3627 Latin American Spanish 42T3628 Norwegian 42T3608 Polish 42T3618 Portuguese 42T3614 Russian 42T3616 Slovak 42T3624 Slovenian 42T3623 Spanish 42T3611 Swiss 42T3613 Thai 42T3629 Traditional Chinese 42T3626 Turkish ...

Page 130: ... cable fix v Screw cap thin v Screw cap square 42X5130 R N Base miscellaneous parts v Rubber foot front v Rubber foot rear v LCD latch knob v LCD latch v Latch link wire v LCD latch spring v Wireless radio switch knob v Wireless radio switch latch v Security keyhole bracket v EMI spring optical drive v EMI spring HDD front v EMI spring HDD rear v Gasket long v Gasket short v HDD guide front v HDD ...

Page 131: ...ing L v Screw M2 3 v Label information v Blind sheet R 42X5127 R N System miscellaneous parts v a Expansion slot cover v b HDD cover v I O sub bracket v Connector cap v Optical drive bracket Note Italicized letters in parentheses are references to the exploded view in Overall on page 115 42X5128 R N System board miscellaneous parts v Mini Card stud system board v Stud system board v Insulation top...

Page 132: ...t sheet for LCD v Gasket for LCD v Screw cap thin v Screw cap square Note Italicized letter in parentheses is reference to the exploded view in LCD FRUs on page 120 42X5131 R N AC adapters Table 39 Parts list AC adapters FRU P N RoHS ID CRU ID 2 pin 65 W 20 V adapter models CTO xxE xxF xxJ xxL xxP xxS xxY xxU ASTEC 92P1214 R Delta 42T5282 R Lite On 92P1159 R 3 pin 65W 20 V adapter models CTO xxA x...

Page 133: ...Australia New Zealand v models CTO xxG xxM 42T5050 42T5135 R Bangladesh Sri Lanka South Africa v models CTO xxG 42T5056 42T5141 Canada U S v models CTO xxF xxL xxS xxU 42T5004 42T5089 China P R C other than Hong Kong S A R v models xxC 52T5065 42T5150 Denmark v models CTO xxG 42T5041 42T5126 European countries v models CTO xxG 42T5029 42T5114 India v models CTO xxG 42T5083 42T5168 Israel v models ...

Page 134: ...4Y2686 Czech 44Y2698 Danish 44Y2696 Dutch 44Y2697 Finnish 44Y2695 French 44Y2683 German 44Y2684 Greek 44Y2705 Hebrew 44Y2699 Hungarian 44Y2704 Italian 44Y2687 Japanese 44Y2688 Korean 44Y2692 Norwegian 44Y2693 Polish 44Y2700 Russian 44Y2702 Russian English enabled 44Y2682 Simplified Chinese 44Y2689 Slovenian 44Y2706 Spanish 44Y2685 Swedish 44Y2694 Traditional Chinese 44Y2690 Traditional Chinese Hon...

Page 135: ...rtuguese 44Y3394 R Czech 44Y3408 Danish 44Y3404 Dutch 44Y3407 Finnish 44Y3403 French 44Y3391 German 44Y3392 Greek 44Y3411 Hebrew 44Y3395 Hungarian 44Y3412 Italian 44Y3396 Japanese 44Y3397 Korean 44Y3401 Norwegian 44Y3405 Polish 44Y3409 Portuguese 44Y3413 Romanian 44Y3415 Russian 44Y3406 Russian English enabled 44Y3390 Serbian Latin 44Y3416 Simplified Chinese 44Y3398 Slovak 44Y3417 Slovenian 44Y341...

Page 136: ...44Y3474 Danish 44Y3470 Dutch 44Y3473 Finnish 44Y3469 French 44Y3457 German 42Y7943 Greek 44Y3477 Hebrew 44Y3461 Hungarian 44Y3478 Italian 44Y3462 Japanese 44Y3463 Korean 44Y3467 Norwegian 44Y3471 Polish 44Y3475 Portuguese 44Y3479 Russian 44Y3472 Russian English enabled 44Y3456 Simplified Chinese 44Y3464 Slovenian 44Y3480 Spanish 44Y3459 Swedish 44Y3468 Traditional Chinese 44Y3465 Traditional Chine...

Page 137: ...6967 Removal tool antenna RF connector 08K7159 USB 2 0 CD RW DVD ROM combo drive II 40Y8687 USB cable 40Y8704 USB floppy diskette drive for maintenance diskette 05K9283 USB floppy diskette drive tool kit 27L3452 Test card for integrated Smart Card 42W7820 ThinkPad Hardware Maintenance Diskette Version 1 73 or later Note Download the file from the following Web site http www lenovo com spm ThinkPad...

Page 138: ...130 ThinkPad X300 Hardware Maintenance Manual ...

Page 139: ...information could include technical inaccuracies or typographical errors Changes are periodically made to the information herein these changes will be incorporated in new editions of the publication Lenovo may make improvements and or changes in the product s and or the program s described in this publication at any time without notice The products described in this document are not intended for u...

Page 140: ...ntries or both Lenovo Active Protection System Rescue and Recovery ThinkLight ThinkPad ThinkVantage TrackPoint Ultrabay UltraNav IBM used under license is trademark of the International Business Machines Corporation in the United States other countries or both The following terms are trademarks of Microsoft Corporation in the United States other countries or both Windows Windows Vista The followin...

Page 141: ......

Page 142: ...Part Number 42X4239_01 1P P N 42X4239_01 ...

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