i note Before using this information and the product it supports, be sure to read the general information under Chapter 1, "Safety information" on page 1, and "Notices" on page 60. First Edition (June 2000) The following paragraph does not apply to the United Kingdom or any country where such provisions are inconsistent with local law: INTERNATIONAL BUSINESS MACHINES CORPORATION PROVIDES THIS PUBLICATION "AS IS" WITHOUT ANY WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE LIMITED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Some states do not allow disclaimers or express or implied warranties in certain transactions; therefore, this statement may not apply to you. This publication could include technical inaccuracies or typographical errors. Changes are periodically made to the information herein; these changes will be incorporated in new editions of the publication. IBM may make improvements or changes in the products or the programs described in this publication at any time. Requests for technical information about IBM products should be made to your IBM Authorized Dealer or your IBM Marketing Representative. © Copyright International Business Machine Corporation 2000. All rights reserved. Note to U.S. Government Users -- Documentation related to restricted rights -- Use, duplication, or disclosure is subject to restrictions set forth in GSA ADP Schedule Contract with IBM Corp. Contents Chapter 1. Safety information ................... .......... .......... ......... ......... ......... ......... 1 7 8 11 12 13 14 15 16 18 19 20 23 24 24 24 25 26 26 26 26 28 28 29 30 30 33 34 34 36 39 40 Chapter 2. Handling the ThinkPad computer ThinkPad do not's ................. ThinkPad do's . . . . . . . . . . . . . . . . . . . . Cleaning your computer . . . . . . . . . . . . . . Carrying your computer . . . . . . . . . . . . . . Extending the usefulness of the battery . . . . . Chapter 3. System overview Features . . . . . . . . . . . . . Specifications . . . . . . . . . . Using your Online User's Guide Starting the BIOS Setup Utility ................... ................... ................... .................. ................... ............ ............. ............. ............. ............. ............. ............. ............. ............. ............. ............. ............ ............ ............ ............ ............ ............ ............ ............ ............ Chapter 4. Protecting your computer Using passwords . . . . . . . . . . . . . . Power-on passwords . . . . . . . . . . Screen-saver passwords . . . . . . . . Hard-disk passwords . . . . . . . . . . Windows password . . . . . . . . . . . Supervisor password . . . . . . . . . . Network password . . . . . . . . . . . . Passwords and standby mode . . . . . Using the locks . . . . . . . . . . . . . . . Attaching the mechanical lock . . . . . Chapter 5. Solving Computer Problems Troubleshooting . . . . . . . . . . . . . . . . Error codes or messages ........ ...... No error codes or messages Power switch problems . . . . . . . . . . Input problems . . . . . . . . . . . . . . . Standby or hibernation problems . . . . LCD problems . . . . . . . . . . . . . . . Battery problems ............. © Copyright IBM Corporation 2000 iii Hard disk drive problems . . . . . . . Software problems .......... Other problems . . . . . . . . . . . . Testing your computer . . . . . . . . . . Backing up your system . . . . . . . . . Backing up your system configuration Backing up your data . . . . . . . . . Recovering lost or damaged software Getting Service . . . . . . . . . . . . . . ThinkPad Website . . . . . . . . . . . Recording sheet . . . . . . . . . . . . .............. .............. .............. .............. .............. ............. .............. ............. .............. .............. .............. ........ ......... ......... ......... ......... ......... 41 41 43 45 46 46 46 47 51 51 52 55 60 60 61 62 67 69 73 Appendix A. Product warranties and notices Notices . . . . . . . . . . . . . . . . . . . . . . . . Year 2000 readiness and instructions . . . . Electronic emission notices .......... Telecommunication notice . . . . . . . . . . . Trademarks ................... Glossary Index ............................... .................................. iv Chapter 1. Safety information Electric current from power, telephone, and communication cables is hazardous. To avoid shock hazard, connect and disconnect cables as shown below when installing, moving, or opening the covers of this product or attached devices. If a 3-pin power cord is provided with this products, it must be used with a properly grounded outlet. To Connect Turn everything OFF. To Disconnect Turn everything OFF. First, attach all cables to devices. First, remove the power coed from the outlet. Attach the signal cables to the receptades Remove the signal cables from the receptades. Attach the power cord to an outlet. Remove all cables from device. Turn the device ON © Copyright IBM Corporation 2000 1 DANGER Reduce the risk of fire and electric shock by always following basic safety precautions, including the following: Do not use your computer in or near water. During electrical storms: ­ Do not use your computer with the telephone cable connection. ­ Do not connect the cable to or disconnect it from the telephone outlet on the wall. 2 ThinkPad X20 User's Reference DANGER If the rechargeable battery pack is incorrectly replaced, there is danger of an explosion. The battery pack contains a small amount of harmful substances. To avoid possible injury: Replace only with a battery of the type recommended by IBM. Keep the battery pack away from fire. Do not expose it to water or rain. Do not attempt to disassemble it. Do not short-circuit it. Keep it away from children. Do not put the battery pack in trash that is disposed of in landfills. When disposing of the battery, comply with local ordinances or regulations and your company's safety procedures. In the United States, call IBM at 1-800-IBM-4333 for information on disposal. Chapter 1. Safety information 3 DANGER There is danger of an explosion if the backup battery is incorrectly replaced. The lithium battery (IBM P/N 02K6715 UL-recognized component (file no. MH12566)) contains lithium and can explode if it is not properly handled or disposed of. Replace only with a battery of the same type. To avoid possible injury or death, do not: (1) throw or immerse the battery into water, (2) allow it to heat to more than 100 deg C (212 deg F), or (3) attempt to repair or disassemble it. Dispose of it as required by local ordinances or regulations and your company's safety standards. DANGER Follow the instruction below when installing or reconfiguring the Mini PCI option. To avoid shock hazard, disconnect all the cables and the ac adapter when you install the Mini PCI option or open the covers of the system or attached devices. Electrical current from power, telephone, and communication cables is hazardous. 4 ThinkPad X20 User's Reference CAUTION: When you have added or upgraded a Mini PCI Card or a memory card, do not use your computer until you have closed the access cover. Never use the computer with the access cover open. Before moving or installing a Mini PCI Card or memory card, remove the main battery pack of the computer. Some circuit in the computer remain closed even if the power seems to be off. Remove the ac adapter before remove the main battery pack. CAUTION: The fluorescent lamp in the liquid crystal display (LCD) contains mercury. Do not put it in trash that is disposed of in landfills. Dispose it as required by local ordinances or regulations. The LCD is made of glass. Rough handling or dropping the computer may cause the LCD to break.The LCD is made of glass. Rough handling or dropping the computer can cause the LCD to break. If the LCD breaks and the internal fluid gets into your eyes or on your hands, immediately wash the affected areas with water for at least 15 minutes; if any adverse symptoms after washing, get medical care. CAUTION: To reduce the risk of fire, use only No. 26 AWG or cable with a higher ratihg. Chapter 1. Safety information 5 6 ThinkPad X20 User's Reference Chapter 2. Handling the ThinkPad computer Notebook computers are precision electronic devices that require careful handling. although your computer is function reliably in normal work environments, you need to use some common sense in handing it. This section provides tips for handling notebook computers in general. Some descriptions might not suit your situation. Check your shipping checklist to confirm the items you get with your computer. By following these handling tips, you will get the most use and enjoyment out of your computer for a long time to come. © Copyright IBM Corporation 2000 7 ThinkPad do not's ThinkPad do not's Do not subject your computer to physical punishment, such as dropping or bumping. Do not place heavy objects on your computer. Do not spill or allow liquids into your computer. Do not use your computer in or near water (to avoid the danger of electrical shock). Do not pack your computer in a tightly packed suitcase or bag. Your LCD might be damaged. A scratchlike marking on your LCD might be a stain transferred from the keyboard (including from the TrackPoint stick) when the cover was pressed from the outside. Wipe such a stain gently with a dry soft cloth. If the stain remains, moisten the cloth with LCD cleaner and wipe the stain again. Be sure to dry the LCD before closing it. Do not disassemble your computer. Only an authorized IBM ThinkPad repair technician should disassemble and repair your computer. Do not scratch, twist, hit, or push the surface of your computer display. Do not place any objects between the display and the keyboard or under the keyboard. Do not pick up or hold your computer by the display. When picking up your open computer, hold it by the bottom (keyboard) half. Do not modify or tape the latches to keep the display open or closed. Do not turn your computer over while the ac adapter is plugged in. This could break the adapter plug. Do not move the computer when the hard disk drive is accessing data (when the indicator is blinking). Do not use or store your computer where the temperature is below 5° C or above 35° C (41° F and 95° F). 8 ThinkPad X20 User's Reference ThinkPad do not's Do not place your computer closer than 13 cm (5 in.) to any electrical appliance that generates a strong magnetic field, such as a motor, a magnet, a TV, a refrigerator, or large audio speakers. Do not put an operating cellular phone on the computer. The phone might cause the computer to malfunction. Do not hard-mount your computer in a vehicle or anywhere that it is subject to strong vibration. Do not crush, drop, or physically punish the external or removable hard disk, diskette, or CD-ROM drive when it is outside your computer. Do not press on the middle part of the diskette drive or the CD-ROM drive. Do not insert a diskette at an angle. Inserting the diskette at an angle into the drive can damage the drive. Do not attach more than one label to a diskette, and do not allow the label to be come loose. Multiple or loose labels can detach or tear and then lodge in the drive. Do not touch the lens on the CD-ROM tray. Do not close the CD-ROM tray until you hear the CD click into the center pivot of the CD-ROM drive Do not touch the surface of a CD; handle the CD only by its edges. Do not connect the modem to a PBX (private branch exchange) or other digital telephone extension line. Your computer can use only a public-switched telephone network (PSTN). Use of a phone line other than PSTN can damage your modem. If you are not sure which kind of phone line you are using, contact your telephone company. Many hotels or office buildings use digital telephone extension lines, so check before connecting the telephone cable in such places. Do not leave the base of your computer in contact with your lap or any part of your body for an extended period when the computer is functioning or when the battery is charging. Your computer dissipates some heat during normal operation. This heat is a function of the level of system activity and battery charge level. Chapter 2. Handling the ThinkPad computer 9 ThinkPad do not's Extended contact with your body, even through clothing, could cause discomfort or, eventually, a skin burn. 10 ThinkPad X20 User's Reference ThinkPad do's ThinkPad do's Treat your computer like precision electronic machinery. When installing your hard disk drive, diskette drive, or CD-ROM drive, follow the instructions in the online book. Apply pressure to the drive only where needed on the device. If you exchange drives in your computer, reinstall the plastic bezel faces (if supplied). Store your external and removable hard ...