Lenovo ThinkPad X300 Hardware Maintenance Manual
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- Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 1
ThinkPad® X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 2
- Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 3
ThinkPad® X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 4
using this information and the product it supports, be sure to read the general information under "Notices" on page 133. Forth Edition (November 2008) © Copyright Lenovo 2008. All rights reserved. LENOVO products, data, computer software, and services have been developed exclusively at private - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 5
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 and replacing a FRU 59 Before servicing ThinkPad X300 60 1010 Battery pack 61 1020 Optical drive - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 6
Notices 133 Trademarks 134 iv ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 7
About this manual This manual contains service and reference information for the following ThinkPad® products. ThinkPad X300 MT 2748, 2749, 4052, 4183, 6476, 6477, and 6478 Use this manual along with the advanced diagnostic tests to troubleshoot problems. The manual is divided into sections as - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 8
vi ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 9
safety information that you need to be familiar with before you service a ThinkPad 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 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 10
. Replace any safety device that is worn or defective. v Reinstall all covers correctly before returning the machine to the customer. v Fan louvers on the machine help to prevent overheating of internal components. Do not obstruct fan louvers or cover them with labels or stickers. 2 ThinkPad X300 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 11
special safety precautions when you work with very high voltages; Instructions for these precautions are in the safety sections of maintenance that power has been disconnected from a circuit. First, check that it has been powered off. v Always look carefully for possible hazards in your work area. - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 12
not service 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 Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 13
built, required safety items were installed to protect users and service personnel from injury. This guide ). 2. Power off the computer. Disconnect the power cord. batteries. 5. Remove the cover. 6. Check for any obvious non-ThinkPad alterations. Use good judgment as to the safety of any non-ThinkPad - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 14
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. 6 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 15
The safety notices in this section are provided in English, French, German, Hebrew, Italian, Japanese, and Spanish. Safety notice 1 Before the computer is powered on after FRU replacement, make sure all screws, springs, and other small parts are in place and are not left loose inside the - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 16
not disassemble a standby battery, recharge it, throw it into fire or water, or short-circuit it. Dispose of the battery as required by local ordinances or regulations. Use only the battery in apropiada puede provocar la ignición o explosión de la misma. 8 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 17
of nickel. Do not disassemble it, throw it into fire or water, or short-circuit it. Dispose of the battery pack as required by local ordinances or regulations. Use only the battery in the appropriate parts listing when replacing the battery pack. Use of an incorrect battery can result in ignition - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 18
, 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 al agua. Deséchela tal como dispone la normativa local. 10 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 19
Entsorgung die örtlichen Bestimmungen für Sondermüll beachten. Der LCD-Bildschirm besteht aus Glas und kann zerbrechen, wenn er unsachgemäß behandelt wird oder der Computer auf den Boden fällt. Wenn der Bildschirm beschädigt ist und die darin befindliche Flüssigkeit in Kontakt mit Haut und Augen ger - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 20
um brennbare Materialien zu entzünden oder Verletzungen bei Personen hervorzurufen. Sebbene le batterie di alimentazione siano a basso voltaggio, una batteria in corto circuito o como para quemar material combustible o provocar quemaduras en el personal. 12 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 21
Safety notice 8 DANGER Before removing any FRU, power off the computer, unplug all power cords from electrical outlets, remove the battery pack, and then disconnect any interconnecting cables. Avant de retirer une unité remplaçable en clientèle, mettez le système hors tension, débranchez tous - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 22
puede provocar la exposición a radiaciones peligrosas. Opening the CD-ROM drive, the DVD-ROM drive, or any other optical storage device could result in exposure to hazardous laser radiation. There are no serviceable parts inside those drives. Do not open. 14 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 23
A CD-ROM drive, a DVD-ROM drive, or any other storage device installed may contain an embedded Class 3A or Class 3B laser diode. Note the following: DANGER Emits visible and invisible laser radiation when open. Do - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 24
16 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 25
in this manual. After a system board is replaced, ensure that the latest BIOS is loaded to the system board before completing the service action. To download software fixes, drivers, and BIOS, do as follows: 1. Go to http://www.lenovo.com/support 2. Enter the product number of the computer or press - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 26
one error code is displayed, begin the diagnosis with the first error code. Whatever causes the first error code may also cause false error codes. If no error code is displayed, see whether the error symptom is listed in the Symptom-to-FRU Index for the computer you are servicing. 18 ThinkPad X300 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 27
replacing FRUs for CTO, CMV, and GAV Product definition Dynamic Configure To Order (CTO) This provides the ability for a customer to configure an IBM® or a Lenovo solution from an eSite, and have this configuration sent to fulfillment, where it is built commodities are hard disk drives, system boards - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 28
type model and FRU will be displayed. Using the HMM For Key Commodities (Examples - hard disk drive, system board, microprocessor, LCD, and memory) Use the HMM as a back-up to PEW and eSupport to view the complete list of FRUs at the MT Model level. 20 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 29
replacement parts can also be non compliant. In all cases if the original FRU parts are RoHS compliant, the replacement to support Lenovo's any product Lenovo produces always be replaced using RoHS Current or original Replacement FRU part Non Current or original Replacement FRU part Must be - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 30
22 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 31
discharge, or software errors. Consider replacing a FRU only when a problem recurs. If you suspect that a FRU is defective, clear the error log and run the test again. If the error does not recur, do not replace the FRU. v Be careful not to replace a nondefective FRU. © Copyright Lenovo 2008 23 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 32
laptop products The following symptoms might indicate damage caused by nonwarranted activities: v Missing parts might be a symptom of unauthorized service or modification. v If the spindle of a hard disk drive becomes noisy, it may have been subjected to excessive force, or dropped. 24 ThinkPad X300 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 33
following procedures as a guide in identifying and correcting problems with the ThinkPad computer. Note: The diagnostic tests are intended to test only ThinkPad products. The use of non-ThinkPad products, prototype cards, or modified options can lead to false indications of errors and invalid system - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 34
unique functions, refer to "ThinkPad X300" on page 47. Note: PC-Doctor for DOS is available at following Web site: http://www.lenovo.com/ support To create the PC-Doctor diagnostic diskette, follow the instruction on the Web site. For some possible configurations of the computer, PC-Doctor might not - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 35
Interactive Tests v Run Normal Test v Run Quick Test v CPU/Coprocessor v Systemboard v Video Adapter v Serial Ports v Fixed Disks v Diskette Drives v Other Devices v ThinkPad Devices v Communication v Wireless LAN v Memory Test - Full v Memory Test - Quick v Keyboard v Video v Internal - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 36
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 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 37
voltage of pin no.2 of the AC adapter may different from the one you are servicing. 3. If the voltage is not correct, replace the AC adapter. 4. If the voltage is acceptable, do the following: v Replace the system board. v If the problem persists, go to "ThinkPad X300" on page 47. Note: Noise from - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 38
. 4. If the voltage is more than +11.0 V dc, measure the resistance between battery terminals 5 and 7. The resistance must be 4 to 30 K . If the resistance is not correct, replace the battery pack. If the resistance is correct, replace the system board. 30 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 39
Checking the backup battery Do the following: 1. Power off the computer, and unplug the ac adapter from it. 2. Turn the computer upside down. 3. Remove the battery pack (see "1010 Battery pack" on page 61). 4. Remove the backup battery (see "1080 Backup battery" on page 76). 5. Measure the voltage - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 40
32 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 41
maintenance diskette and the system program service diskette become available, they will be posted on http://www.lenovo.com/spm Restoring the factory contents by using Product Recovery discs When the hard disk drive (HDD) or solid state drive (SSD) is replaced because of a failure, no Product - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 42
the BIOS Setup Utility and change the system configuration. Attention: If the SVP has been forgotten and cannot be made available to the servicer, there is no service procedure to reset the password. The system board must be replaced for a scheduled fee. 34 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 43
any services to reset the user HDPs or to recover data from the hard disk drive. The hard disk drive can be replaced for a scheduled fee. To remove a user HDP that has been forgotten, when the SVP and the master HDP are known, do the following: 1. Turn on the computer. 2. When the ThinkPad logo - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 44
the Enter Current Password field. then leave the Enter New Password field blank, and press Enter twice. 8. Press F10. 9. Select Yes in the Setup Configuration window. Both user HDP and master HDP will have been removed. 36 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 45
, 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 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 46
low, and the battery charge becomes critically low. When the power is turned on, the computer returns from hibernation mode and resumes operation. The hibernation file in the boot record on the hard disk drive is read, and system status is restored from the hard disk drive. 38 ThinkPad X300 Hardware - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 47
problems" on page 46. Note: For a device not supported by diagnostic codes in the ThinkPad computers, see the manual for that device. Numeric error codes Table 1. Numeric error codes Symptom or error board. 0182 1. Run BIOS Setup Utility. Press F9, and Bad CRC2. Enter BIOS Setup and load Setup - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 48
RAM error- Extended RAM fails 2. System board. at offset nnnn. 0250 System battery error-System battery is dead. 1. Charge the backup battery for more than 8 hours by connecting the ac adapter. 2. Replace the backup battery and run BIOS Setup Utility to reset the time and date. 40 ThinkPad X300 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 49
for more than 8 hours by connecting the ac adapter. 2. Replace the backup battery and run BIOS Setup Utility to reset the time and date. 3. System 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 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 50
. Do not apply any physical shock to the computer. 2. Run Diagnostics --> ThinkPad Devices --> HDD Active Protection Test. 2010 Warning: Your internal hard disk drive (HDD) may not function correctly on this system. Ensure that your HDD is supported on this system and that the latest HDD firmware - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 51
bits: nnnn. Invalid system configuration data. I/O device IRQ conflict. Hibernation error. Fan error. Thermal sensing error. Cannot boot from any device. FRU or action, in sequence 1. Load "Setup Defaults" in the BIOS Setup Utility. 2. Backup battery. 3. System board. 1. Load "Setup Defaults" in - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 52
. 2. System board. The power-on password prompt appears. A power-on password or a supervisor password is set. Type the password and press Enter. The hard-disk password prompt appears. A hard-disk password is set. Type the password and press Enter. 44 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 53
on June 2006 or later manufactured ThinkPad LCD resolution Bright dots Dark dots Bright and dark dots XGA, WXGA 5 6 6 WXGA+, SXGA+, 5 WSXGA+ 8 10 UXGA, WUXGA, 5 13 13 QXGA Notes: v Lenovo will not provide replacement if the LCD is within specification as we cannot guarantee that - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 54
computer. 2. Visually check each FRU for damage. Replace any damaged FRU. 3. Remove or disconnect all of the following devices: a. Non-ThinkPad devices b. Devices attached to the docking station or the port replicator c. Printer, mouse, and other external devices d. Battery pack e. Hard disk drive - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 55
of the ThinkPad X300 : Table 7. Specifications Feature Processor Bus architecture Graphic memory chip Display Standard memory Extended memory device (some models) Optional memory CMOS RAM Solid state drive Optical drive Fingerprint reader I/O port Description v Intel® Core™ 2 Duo processor SL7100 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 56
(3 cells) 2.44 Ah v Li-ion battery (6 cells) 4.0 Ah v Li-Polymer second battery (3 cells) 2.12 Ah AC adapter v 65-watt type Preinstalled operating system v Windows XP Professional v Windows Vista® Business (32 bit) v Windows Vista Ultimate (32 bit) 48 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 57
Status indicators The system status indicators show the status of the computer, as follows: 10 9 876 5 4 32 1 234 ThinkPad X300 49 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 58
. Blinking orange (rapid): The battery is charged between 0% to 5% of the capacity. 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 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 59
not apply any physical shock to the computer while the test is running. Power Diagnostics --> ThinkPad Devices --> AC Adapter, Battery 1 (Battery2) LCD unit 1. Diagnostics --> Video Adapter 2. Interactive Tests --> Video Audio Enter the BIOS Setup Utility and change Serial ATA (SATA) setting - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 60
does not work, check the configuration as specified in the BIOS Setup Utility. If the Touch Pad is disabled, select Automatic to enable it. If enabling the Touch Pad does not correct the problem, continue with the following: v Interactive Tests --> Mouse 52 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 61
key. Table 10. Fn key ThinkPad PM device driver installed on the computer. 2. If you have logged on with an administrator user device drivers must be installed on the computer beforehand: v ThinkPad Power Management driver v OnScreen Display Utility v Wireless device drivers Reserved. ThinkPad X300 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 62
than four seconds. Note: To use Fn+F12 for hibernation, you must have the ThinkPad PM device driver installed on the computer. Turn the ThinkLight on or off. Note: This function is supported only on the ThinkPad computers that have the ThinkLight. The on or off status of the ThinkLight is shown on - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 63
replacing parts. Read this section carefully before replacing any FRU. Screw notices Loose screws can cause a reliability problem. In the ThinkPad computer, this problem are tightened firmly. v Ensure torque screw drivers are calibrated correctly following country specifications. ThinkPad X300 55 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 64
number uniquely assigned to your computer at production and stored in the EEPROM of your system board. The algorithm that generates the number is designed to provide unique IDs until the year A.D. 3400. No two computers in the world have the same number. 56 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 65
the UUID on the new system board as follows: 1. Install the ThinkPad Hardware Maintenance Diskette Version 1.73 or later, and restart the computer. 2. From the main menu, select 4. Assign UUID. A new UUID is created and written. If a valid UUID already exists, it is not overwritten. ThinkPad X300 57 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 66
be disassembled to instruction on the screen. If the system board is being replaced, try to read the ECA information from the old system board and transfer the information to the new system. If the system board is inoperable, this will not be possible. 58 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 67
1. Do not try to service any computer unless you have been trained and certified. An untrained person runs the risk of damaging parts. 2. Before replacing any FRU, review "FRU replacement notices" on page 55. hand or by using an electrostatic discharge (ESD) strap (P/N 6405959). ThinkPad X300 59 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 68
models of the ThinkPad X300 you are servicing might have the SIM card that the customer has been installed. If the computer you are servicing has the SIM card, remove it before you start the servicing. To remove the SIM card, you need to remove the battery pack first. (See "1010 Battery pack" on - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 69
the battery pack in the direction shown by arrow 3 and 4. Note: Large battery used in some models only has one battery latch. 2 1 3 4 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. ThinkPad X300 61 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 70
on page 61 Table 12. Removal steps of optical drive or second battery or travel cover Note: For models with the travel cover, skip step 1 . 1 Step 1 Screw (quantity) M2 × 6 mm, bind-head, nylon-coated (1) Color Black Torque 0.167 Nm (1.7 kgfcm) 2 3 62 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 71
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. Table 13. Removal steps of SSD 1 2 Step 2 Screw (quantity) Hard disk drive screw, nylon-coated (1) Color Black Torque 0.167 Nm (1.7 kgfcm) ThinkPad X300 63 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 72
Table 13. Removal steps of SSD (continued) 3 When installing: Make sure that the SSD connector is attached firmly. 4 64 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 73
1040 DIMM For access, remove these FRUs in order: v "1010 Battery pack" on page 61 v "1020 Optical drive or second battery or travel cover" on page 62 Table 14. Removal steps of DIMM Note: Loosen the screws 1 , but do not remove them. 1 2 ThinkPad X300 65 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 74
Table 14. Removal steps of DIMM (continued) Note: If only one DIMM is used on the computer you are servicing, the card must be installed in SLOT-0 ( a ), but not in SLOT-1 ( b ). b a 3 4 3 When is firmly fixed in the slot and does not move easily. 66 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 75
for wireless LAN For access, remove these FRUs in order: v "1010 Battery pack" on page 61 v "1020 Optical drive or second battery or travel cover" on page 62 Table 15. Removal steps of PCI Express Mini Card for wireless LAN Note: Loosen the screws 1 , but do not remove them. 1 2 ThinkPad X300 67 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 76
models might have only two antenna cables in step 3 . 4 4 3 Step 4 Screw (quantity) M2 × 3 mm, small-head, nylon-coated (2) Color Silver Torque 0.167 Nm (1.7 kgfcm) 68 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 77
into the jack labeled MAIN, and 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 wireless LAN card TR3 , and the black cable (AUX) into jack labeled TR2 on the card. ThinkPad X300 69 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 78
adapter For access, remove these FRUs in order: v "1010 Battery pack" on page 61 v "1020 Optical drive or second battery or travel cover" on page 62 Table 16. Removal steps of wireless USB adapter Note: Loosen the screws 1 , but do not remove them. 1 2 70 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 79
Table 16. Removal steps of wireless USB adapter (continued) In step 3 , unplug the jacks by using the removal tool antenna RF connector (P/N: 08K7159) or pick arrow. 4 4 3 Step Screw (quantity) M2 × 3 mm, small-head, nylon-coated (2) Color Silver Torque 0.189 Nm (1.85 kgfcm) 5 ThinkPad X300 71 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 80
Battery pack" on page 61 v "1020 Optical drive or second battery or travel cover" on page 62 Table 17. Removal steps of keyboard Attention: If a travel cover is installed on the computer you are servicing Torque 0.167 Nm (1.7 kgfcm) 0.167 Nm (1.7 kgfcm) 72 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 81
Table 17. Removal steps of keyboard (continued) 3 3 2 3 Lift the keyboard a little in the direction shown by arrow 4 , and then detach the connector 5 . 4 5 ThinkPad X300 73 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 82
When installing the keyboard, 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 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 83
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 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 84
: v "1010 Battery pack" on page 61 v "1020 Optical drive or second battery or travel cover" on page 62 v "1070 Keyboard" on page 72 Table 19. Removal steps of backup battery 1 2 When installing: Make sure that the battery connector is attached firmly. 76 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 85
Card for wireless WAN For access, remove these FRUs in order: v "1010 Battery pack" on page 61 v "1020 Optical drive or second battery or travel cover" on page 62 v "1070 Keyboard" on page 72 Table M2 × 3 mm, small-head, nylon-coated (2) Color Silver Torque 0.167 Nm (1.7 kgfcm) ThinkPad X300 77 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 86
Table 20. Removal steps of PCI Express Mini Card for wireless WAN (continued) 3 Note: Plug the red cable into the jack labeled MAIN on the card, and the blue cable into the jack labeled AUX. 78 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 87
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. Table 21. Removal steps of palm rest 2 1 Step 2 Screw (quantity) M2 × 3 mm, small-head, nylon-coated (1) Color Black Torque 0.167 Nm (1.7 kgfcm) ThinkPad X300 79 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 88
(4) Color Black 3 M2 × 4 mm, bind-head, nylon-coated (4) Black 4 M2, shoulder, nylon-coated (2) Black Torque 0.167 Nm (1.7 kgfcm) 0.167 Nm (1.7 kgfcm) 0.167 Nm (1.7 kgfcm) 5 6 80 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 89
Table 21. Removal steps of palm rest (continued) 7 8 7 8 8 ThinkPad X300 81 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 90
(BDC-2) For access, remove these FRUs in order: v "1010 Battery pack" on page 61 v "1020 Optical drive or second battery or travel cover" on page 62 v "1070 Keyboard" on page Nm (1.7 kgfcm) When installing: Make sure that connector is attached firmly. 82 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 91
v "1010 Battery pack" on page 61 v "1020 Optical drive or second battery or travel cover" on page 62 v "1050 PCI Express Mini Card for wireless LAN" on page 67 v "1060 Wireless USB adapter" on page 70 M2 × 6 mm, bind-head, nylon-coated (5) Color Black Torque 0.167 Nm (1.7 kgfcm) ThinkPad X300 83 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 92
Table 23. Removal steps of keyboard bezel (continued) 22 3 Step 2 Screw (quantity) M2 × 6 mm, bind-head, nylon-coated (2) Color Black 3 M2 × 4 mm, bind-head, nylon-coated (1) Black Torque 0.167 Nm (1.7 kgfcm) 0.167 Nm (1.7 kgfcm) 4 5 5 84 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 93
Table 23. 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. a 8 7 ThinkPad X300 85 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 94
"1010 Battery pack" on page 61 v "1020 Optical drive or second battery or travel cover" on page 62 v "1050 PCI Express Mini Card for wireless LAN" on page 67 v "1060 Wireless USB adapter" on page : Make sure that the connectors are attached firmly. 86 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 95
Table 24. Removal steps of audio FPC and audio sub card (continued) 6 6 7 5 Step 6 Screw (quantity) M2 × 4 mm, bind-head, nylon-coated (2) Color Black Torque 0.167 Nm (1.7 kgfcm) When installing: Make sure that the connector is attached firmly. ThinkPad X300 87 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 96
order: v "1010 Battery pack" on page 61 v "1020 Optical drive or second battery or travel cover" on page 62 v "1050 PCI Express Mini Card for wireless LAN" on page 67 v "1060 Wireless USB adapter" on page 70 v and the cables are routed as in this figure. 88 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 97
: v "1010 Battery pack" on page 61 v "1020 Optical drive or second battery or travel cover" on page 62 v "1050 PCI Express Mini Card for wireless LAN" on page 67 v "1060 Wireless USB adapter" on page 70 M2 × 6 mm, bind-head, nylon-coated (2) Color Black Torque 0.167 Nm (1.7 kgfcm) ThinkPad X300 89 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 98
Table 26. Removal steps of LCD assembly (continued) 3 4 5 5 Step 4 Screw (quantity) M2 × 3 mm, small-head, nylon-coated (1) Color Silver Torque 0.167 Nm (1.7 kgfcm) 6 6 90 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 99
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. ThinkPad X300 91 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 100
"1010 Battery pack" on page 61 v "1020 Optical drive or second battery or travel cover" on page 62 v "1050 PCI Express Mini Card for wireless LAN" on page 67 v "1060 Wireless USB adapter" on installing: Make sure that the connectors are attached firmly. 92 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 101
Table 27. Removal 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 . a 7 6 ThinkPad X300 93 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 102
surface. 2. Run Diagnostics --> ThinkPad Devices --> HDD Active Protection Test. Attention:: Do not apply physical shock to the computer while the test is running. For access, remove these FRUs, in order: v "1010 Battery pack" on page 61 v "1020 Optical drive or second battery or travel cover" on - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 103
side of the system board are extremely 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 ThinkPad X300 95 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 104
Table 28. Removal steps of system board, fan assembly, and base cover assembly 1 2 Step 1 Screw (quantity) M2 × 6 mm, bind (1.7 kgfcm) 0.167 Nm (1.7 kgfcm) In step 3 , remove the system board and fan assembly together from the base cover assembly. 3 96 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 105
Screw (quantity) M2 × 4 mm, bind-head, nylon-coated (3) Color Black Torque 0.167 Nm (1.7 kgfcm) Turn the system board over, and then disconnect the fan assembly from the system board. 6 5 When installing: Make sure that the fan connector is attached to the system board firmly. ThinkPad X300 97 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 106
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 98 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 107
with a kit containing labels of several kinds. When you replace the base cover, you need to apply the following 2 China modem label 3 Wireless WAN LMA label 4 Israel label 5 Windows license label (COA) 6 Blind sheet A 7 Information label 8 Wireless 11 10 98 7 6 ThinkPad X300 99 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 108
bezel assembly For access, remove these FRUs in order: v "1010 Battery pack" on page 61 v "1020 Optical drive or second battery or travel cover" on page 62 Table 30. Removal steps of Torque 0.167 Nm (1.7 kgfcm) 0.167 Nm (1.7 kgfcm) 4 3 3 3 3 3 3 3 3 100 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 109
Battery pack" on page 61 v "1020 Optical drive or second battery or travel cover" on page 62 v "1050 PCI Express Mini Card for wireless LAN" on page 67 v "1060 Wireless USB adapter line, or pixel problems. v DO NOT apply driver ( a ) and the print circuit board ( b ). a b a ThinkPad X300 101 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 110
Applying tension could cause the cable to be damaged or a wire to be broken, and it might cause the S-driver to be damaged. When installing: v Place the LCD panel on a soft and clean sheet spread on a flat panel or apply any excessive force to the panel. 102 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 111
Table 31. Removal steps of LCD panel and LCD cable (continued) 3 4 5 Step 3 Screw (quantity) M2 × 3 mm, small-head, nylon-coated (1) Color Silver Torque 0.167 Nm (1.7 kgfcm) When installing: Make sure that the connector is attached firmly. 6 ThinkPad X300 103 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 112
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. 104 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 113
camera For access, remove these FRUs, in order: v "1010 Battery pack" on page 61 v "1020 Optical drive or second battery or travel cover" on page 62 v "1050 PCI Express Mini Card for wireless LAN" on page 67 v "1060 Wireless USB adapter 101 Table 32. Removal steps of camera module ThinkPad X300 105 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 114
v "1010 Battery pack" on page 61 v "1020 Optical drive or second battery or travel cover" on page 62 v "1050 PCI Express Mini Card for wireless LAN" on page 67 v "1060 Wireless USB adapter" on page be damaged by the cable guides, or a wire to be broken. 106 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 115
Table 33. Removal steps of antenna assembly (continued) 2 3 ThinkPad X300 107 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 116
Table 33. Removal steps of antenna assembly (continued) Cable routing: When you install the antenna assembly, route the cables as shown in this figure. 108 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 117
Battery pack" on page 61 v "1020 Optical drive or second battery or travel cover" on page 62 v "1050 PCI Express Mini Card for wireless LAN" on page 67 v "1060 Wireless USB adapter and LCD cable" on page 101 v "2030 Integrated camera" on page 105 v "2040 Antenna assembly" on page ThinkPad X300 109 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 118
Table 34. Removal steps of hinge L and hinge R (continued) 3 3 110 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 119
89 v "2010 LCD bezel assembly" on page 100 v "2020 LCD panel and LCD cable" on page 101 v "2030 Integrated camera" on page 105 v "2040 Antenna assembly" on page 106 v "2050 Hinge L and hinge R" on page 109 Table 35. Removal steps of LED sub card, LED cable, and LCD cover assembly ThinkPad X300 111 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 120
Table 35. Removal steps of LED sub card, LED cable, and LCD cover assembly (continued) Cable routing: When you install the LED sub card and LED cable, route the cable as shown in this figure. 112 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 121
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 1 2 3 16 15 14 4 7 12 11 10 13 9 8 7 5 6 ThinkPad X300 113 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 122
page 49. 2 Stereo headphone jack 3 Microphone jack 4 Solid state drive (SSD) 5 Universal serial bus (USB) connectors Solid state drive 3 Battery pack latch 4 Battery pack 5 Battery pack release lever 6 LCD cover latch 1 6 5 4 2 3 114 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 123
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 disk drive, and an extended battery. ThinkPad computers contain the - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 124
Overall 1 22 21 20 2 19 3 18 4 17 16 5 6 15 7 14 b 8 13 9 12 a 10 11 116 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 125
6477-CTO v 6478-CTO 42T0907 R ** 4 Backup battery 42T4524 6478-CTO, 14x, 15x, 16x, 18x, 1Hx, 1Jx, 1Tx, 1Vx, 1Yx, P1x, P2x xxA, xxB, xxF, xxH, xxL, xxM, xxP, xxQ, xxS, xxU, 42T0865 R ** xxV, xxY xxG 42T0867 R ** xxC 42T0869 R ** xxE, xxJ 42T0871 R ** xxK 42T0905 R ** ThinkPad X300 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 126
44C4045 10 DVD-RAM/RW drive, 7 mm 42T2509 v 2748-CTO v 2749-CTO v 4052-CTO, 1Tx v 4183-CTO, 11x 12x 13x v 6476-CTO, 12x 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, P1x, P2x 10 Second battery, Li-Polymer (3 cell - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 127
16x, 18x, 1Hx, 1Jx, 1Tx, 1Vx, 1Yx, P1x, P2x 13 SATA solid state drive assembly, 128 GB v 2748-CTO v 2749-CTO v 4052-CTO v 4183-CTO v 6476-CTO v 6477-CTO v 6478-CTO 41W0519 14 Speaker assembly 42X4670 15 Fan 42X5067 16 Audio sub card 42W7992 17 Audio FPC 44C4047 18 Bluetooth daughter card - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 128
v 4052-CTO, 1Tx v 4183-CTO, 12x, 13x v 6477-CTO, 1Tx, 1Ux, 1Zx v 6478-CTO, 18x, 1Hx, 1Jx, 1Tx, 1Vx, 1Yx 20 Palm adapter (see "AC adapters" on page 126.) FRU no. 40Y8403 RoHS CRU ID ID R ** 40Y8404 R ** 42X5021 R ** 91P9642 R * 91P8835 R N 120 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 129
LCD FRUs 1 2 3 10 9 8 7 a 4 5 6 13.3-inch WXGA+ TFT Table 37. Parts list-13.3-inch WXGA+ TFT No. FRU 1 LCD bezel assembly 2 LCD module, 13.3-inch WXGA+ FRU no. 44C0759 42T0476 RoHS CRU ID ID R N R N ThinkPad X300 121 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 130
, 1Cx, 1Dx, 1Ex, 1Fx, 1Gx, 1Px, 1Rx, 1Tx, 1Ux, 1Zx v 6478-CTO, 14x, 15x, 16x, 18x, 1Hx, 1Jx, 1Tx, 1Vx, 1Yx, P1x, P2x 8 Hinge L 42X5135 9 LED cable 43Y9802 10 LED sub card 43Y9172 RoHS CRU ID ID R N R N R N R N R N R N R N R N 122 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 131
42T3617 42T3621 42T3632 42T3610 42T3625 42T3627 42T3628 42T3608 42T3618 42T3614 42T3616 42T3624 42T3623 42T3611 42T3613 42T3629 42T3626 42T3619 42T3604 42T3600 42T3630 RoHS CRU ID ID R ** ThinkPad X300 123 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 132
HDD rubber rail (front) v HDD guide (rear) v HDD rubber rail (rear) v LCD latch rubber v Pad, battery v Sponge (large) v Sponge (small) v Cap for Mg v Screw M2 × 3 v Base cover gasket (2) P/N 42X5129 RoHS CRU ID ID R N 42X5130 R N 42X5126 R N 124 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 133
miscellaneous parts: v Support plate, fan v USB bracket cap v Optical drive bracket Note: battery) v Insulation, black (coil) v Insulation, black (SIM) v SIM card bracket v Eject sheet v USB gasket v Base cover gasket (2) P/N 42X5127 RoHS CRU ID ID R N 42X5128 R N 42X5125 R N ThinkPad X300 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 134
, xxH, xxK, xxM, xxT, xxV) OP 3-pin (65W, 20 V) adapter (models CTO, xxA, xxB, xxC, xxG, xxH, xxK, xxM, xxT, xxV) OP 3-pin (65W, 20 V) adapter (models CTO, xxA, xxB, xxC, xxG, xxH, xxK, xxM, xxT, xxV) OP 42T5283 92P1212 92P1157 RoHS CRU ID ID R * 126 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 135
Table 41. Parts list-AC/DC combo power adapter FRU 90W Slim AC/DC combo power adapter P/N 41R0140 RoHS CRU ID ID R * ThinkPad X300 127 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 136
Power cords A ThinkPad power cord for a specific country or region Hong Kong S.A.R.) v models -xxC Denmark v models -CTO, xxG European countries v models -CTO, xxG India v models -CTO, xxG Israel v models -CTO, xxG Italy v models -CTO, xxG Korea v 42T5120 128 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 137
in the following models: v 2748-CTO v 2749-CTO v 6478-CTO, 1Tx, 1Vx, P1x, P2x Table 44. Parts list-Windows XP Professional DVDs Language Arabic Brazilian Portuguese Czech Danish Dutch English English 44Y4149 44Y4166 44Y4145 44Y4154 44Y4150 44Y4151 44Y4163 RoHS CRU ID ID R * ThinkPad X300 129 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 138
v 6476-CTO, 11x, 12x v 6477-CTO, 17x, 18x, 19x, 1Ax, 1Cx, 1Dx, 1Ex, 1Gx, 1Px, 1Rx, 1Tx, 1Zx v 6478-CTO, 14x, 15x, 16x, 18x, 1Hx, 1Jx Table 45. Parts list-Windows Vista Business (32 bit) DVDs Language 46U9351 46U9352 46U9362 RoHS CRU ID ID R * 130 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 139
models: v 2748-CTO v 2749-CTO v 4183-CTO, 13x v 6477-CTO, 1Fx, 1Ux v 6478-CTO, 1Yx Table 46. Parts list-Windows Vista Ultimate (32 bit) DVDs Language P/N RoHS CRU ID ID Brazilian Traditional Chinese Traditional Chinese (Hong Kong S.A.R.) 46U9417 46U9418 Turkish 46U9428 ThinkPad X300 131 - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 140
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 132 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 141
document are not intended for use in implantation or other life support applications where malfunction may result in injury or death to persons. The information contained in this document does not affect or change Lenovo product specifications or warranties. Nothing in this document shall operate as - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 142
® Windows Vista® The following are trademarks of Intel Corporation or its subsidiaries in the United States, other countries, or both: Intel® Intel® Core™ 2 Duo Other company, product, or service names may be the trademarks or service marks of others. 134 ThinkPad X300 Hardware Maintenance Manual - Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 143
- Lenovo ThinkPad X300 | Hardware Maintenance Manual - Page 144
Part Number: 42X4239_03 (1P) P/N: 42X4239_03
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ThinkPad
®
X300
Hardware
Maintenance
Manual