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Specifications

Electrical (ac adapter)

Sine-wave input at 50 to 60 Hz

Input rating of the ac adapter: 100–240 V ac, 50 to 60 Hz

Lithium-ion battery pack

A20p model:

– Nominal voltage: 10.8 V dc
– Capacity: 5.4 AH

Other models:

– Nominal voltage: 10.8 V dc
– Capacity: 3.6 AH

Chapter 1. System overview

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Содержание THINKPAD A20M

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Страница 2: ...press 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...

Страница 3: ...d 10 Power on password 10 Screen saver password 10 Hard disk passwords 11 Windows password 11 Supervisor password 12 Network password 12 Passwords and standby mode 12 Using the locks and the security screw 13 Attaching the mechanical lock 13 Using the security screw 13 Using the Asset RF ID feature 14 Chapter 3 Solving computer problems 15 Troubleshooting 16 Error codes or messages 16 No error cod...

Страница 4: ... 32 Getting service 35 ThinkPad Web site 36 Recording sheets 37 Appendix A Product warranty and notices 39 Notices 41 Year 2000 readiness and instructions 41 Trademarks 42 Electronic emission notices 43 Telecommunication notices 45 Industry Canada requirements 47 Product notice requirements 49 Notice for European Union countries 49 iv IBM ThinkPad A20 User s Reference ...

Страница 5: ... cables as shown below when installing moving or opening the covers of this product or attached devices The 3 pin power cord must be used with a properly grounded outlet Turn everything OFF Turn everything OFF First attach all cables to devices First remove the power cord from the outlet Attach the signal cables to receptacles Remove signal cables from receptacles Attach the power cord to an outle...

Страница 6: ...plosion 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 or an equivalent 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 Whe...

Страница 7: ...y local ordinances or regulations and your company s safety standards 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 of it as required by local ordinances or regulations The LCD is made of glass and rough handling or dropping the computer can cause the LCD to break If the LCD breaks and the internal fl...

Страница 8: ...S 21 CFR Subchapter J for Class I laser products In other countries the drive is certified to conform to the requirements of EN60825 DANGER Do not open the CD ROM or DVD drive unit no user adjustments or serviceable parts are inside Use of controls adjustments or the performance of procedures other than those specified might result in hazardous radiation exposure Class 1 laser products are not con...

Страница 9: ...bedded Class 3A laser diode Note this warning DANGER Emits visible and invisible laser radiation when open Avoid direct eye exposure Do not stare into the beam or view it directly with optical instruments Safety information ix ...

Страница 10: ...x IBM ThinkPad A20 User s Reference ...

Страница 11: ...pill 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 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 ...

Страница 12: ...ette drive or the CD ROM drive Do not insert a diskette at an angle Not inserting the diskette straight into the drive can damage the drive Do not place more than one label on a diskette and do not allow the label to be 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 ROM click ...

Страница 13: ...nal and removable hard disk diskette and CD ROM drives in the appropriate container or packaging when they are not being used Choose a quality carrying case that will protect your computer Store packing materials safely out of reach of children to prevent the risk of suffocation from plastic bags Register your ThinkPad products with IBM refer to the Web pages http www pc ibm com register This can ...

Страница 14: ...g data that is when the indicator is blinking Make sure the indicator is off before you carry the computer Extending the life of your computer s battery The amount of battery power consumed by your computer depends on such conditions as the frequency of use the operating temperature and the period in storage if unused The following tips can help you to extend the life of your battery Do not rechar...

Страница 15: ...e modem the serial port and the infrared port are not in use stop the supply of power to them If you will not be using the computer for a long period remove the battery pack and keep it in a cool place Handling the ThinkPad computer xv ...

Страница 16: ...xvi IBM ThinkPad A20 User s Reference ...

Страница 17: ...Chapter 1 System overview Features 2 Specifications 4 Using your online user s guide 6 Starting BIOS Setup Utility 7 Copyright IBM Corp 2000 1 ...

Страница 18: ...B or 128 MB Maximum 320 MB or 384 MB Storage device 2 5 inch hard disk drive Display The color display uses TFT technology Resolution LCD Up to 1400 by 1050 depending on the model External monitor Up to 1600 by 1200 Brightness control Keyboard 84 key 85 key or 89 key TrackPoint Fn key function 2 IBM ThinkPad A20 User s Reference ...

Страница 19: ... 9529 ECMA 125 External interface Serial connector EIA RS232D Parallel connector IEEE 1284A External input device connector External monitor connector Expansion connector PC Card slots two Type I or Type II PC Cards or one Type III PC Card Headphone jack Line in jack Microphone jack Infrared port Universal serial bus USB connector Telephone connector Ethernet connector available if the Ethernet Mi...

Страница 20: ...ltitude without pressurization 3048 m 10 000 ft Temperature At altitudes up to 2438 m 8000 ft Operating with no diskette 5 to 35 C 41 to 95 F Operating with a diskette 10 to 35 C 50 to 95 F Not operating 5 to 43 C 41 to 109 F At altitudes above 2438 m 8000 ft Maximum operating temperature 31 3 C 88 F Note When you charge the battery pack its temperature must be at least 10 C 50 F Relative humidity...

Страница 21: ... wave input at 50 to 60 Hz Input rating of the ac adapter 100 240 V ac 50 to 60 Hz Lithium ion battery pack A20p model Nominal voltage 10 8 V dc Capacity 5 4 AH Other models Nominal voltage 10 8 V dc Capacity 3 6 AH Chapter 1 System overview 5 ...

Страница 22: ...ch the full text of the help system Alternatively you can go to ThinkPad Assistant by clicking Start Programs ThinkPad Information ThinkPad Assistant has the following sections About your ThinkPad Everyday use Communicate Home and travel Enhancements Maintenance and upgrades Security Problem solving How to reach IBM If you are logged on to the Internet click one of the Internet portal buttons in A...

Страница 23: ...ent configuration 2 Remove any diskette from the diskette drive and then turn off the computer 3 Turn on the computer then while the Press F1 for IBM BIOS Setup Utility message is displayed at the lower left area of the screen press F1 If you have set a supervisor password the IBM BIOS Setup Utility menu appears after you enter the password You can start the utility by pressing Enter instead of th...

Страница 24: ...e the settings to their original state as of the time of purchase press the F9 key to load the default settings Also the Restart submenu offers you such options as loading the default settings or discarding the changes 7 Select Restart then press Enter Change the option you want then press Enter Your computer restarts 8 IBM ThinkPad A20 User s Reference ...

Страница 25: ...password 10 Hard disk passwords 11 Windows password 11 Supervisor password 12 Network password 12 Passwords and standby mode 12 Using the locks and the security screw 13 Attaching the mechanical lock 13 Using the security screw 13 Using the Asset RF ID feature 14 Copyright IBM Corp 2000 9 ...

Страница 26: ...nter the correct password to start using the computer Note If you forget your power on password you cannot reset it You must take the computer to an IBM reseller or IBM marketing representative to have the password canceled To set a power on password refer to the online user s guide Screen saver password You can set a screen saver password Once the screen saver has started only those who know the ...

Страница 27: ...nistrator knows Then set a user password that can be told to the user The user can change the user password The master password like a master key enables the administrator to access the hard disk even if the user has changed the user password Attention If you forget your hard disk password there is no way to reset your password or recover data from the hard disk You must take your computer to an I...

Страница 28: ...sswords to restrict access to various parts of the network If you are authorized to access restricted areas of your LAN you will need to establish a logon password in Windows To establish your network password in Windows refer to the online user s guide Passwords and standby mode If you have set passwords and you put your computer into standby by pressing Fn F4 you can resume operating the compute...

Страница 29: ...ementing the locking devices and security features IBM makes no comments judgments or warranties about the function quality or performance of locking devices and security features Using the security screw The security screw shipped with your computer can help prevent the hard disk drive from being removed To replace the coin screw with the security screw do as follows 1 Turn off the computer then ...

Страница 30: ...n recognize the following information Serial numbers System board System unit Configuration information UUID MAC address CPU data DIMM data Diskette drive data IDE device data PCI device data ISA Plug and Play device data LCD panel data Docking station data A reader can also recognize the following user information after it has been set in your computer User name Telephone number Machine lease dat...

Страница 31: ...oblems 25 Battery problems 27 Hard disk drive problems 27 Software problems 28 Other problems 29 Testing your computer 30 Backing up your system 30 Backing up your system configuration 30 Backing up your data 31 Recovering lost or damaged software 32 Using the Recovery CD 32 Using the Software Selections CD 33 Getting service 35 ThinkPad Web site 36 Recording sheets 37 Copyright IBM Corp 2000 15 ...

Страница 32: ...UUID needs to be reinstalled Have the computer serviced 0190 Critical low battery error The computer turned off because the battery is low Connect the ac adapter to the computer and charge the battery pack or replace the battery pack with a fully charged one 0193 RF antenna has been removed The RFID antenna that you installed has been removed Enter the supervisor password to return your computer t...

Страница 33: ...r computer on page 30 If you added a memory module just before turning the computer on reinstall it Then test the memory with PC Doctor 0231 System RAM error The system RAM failed Test your computer s memory with PC Doctor refer to Testing your computer on page 30 If you added a memory module just before turning the computer on reinstall it Then test the memory with PC Doctor 0232 Extended RAM err...

Страница 34: ...puter serviced The power on password prompt appears A power on password or a supervisor password is set Type the password and press Enter to use the computer If the power on password is not accepted a supervisor password might have been set Type the supervisor password and press Enter If you still see the same error message have the computer serviced The hard disk password prompt appears A hard di...

Страница 35: ...he computer then turn it on again and listen again If you are using an external monitor refer to External monitor problems in the online user s guide If a power on password is set press any key to display the power on password prompt and then type the correct password and press Enter If the power on password prompt does not appear the brightness might be set to minimum brightness Adjust the bright...

Страница 36: ...sor may drift for several seconds under the following conditions When the computer is turned on When the computer resumes normal operation When the TrackPoint is pressed for a long time When the temperature changes The cursor does not work for a while after the settings in the TrackPoint Properties window have been changed This is a normal characteristic of the cursor Wait several seconds until th...

Страница 37: ... keypad or the mouse 3 Turn on the computer and try using the keyboard again If the keyboard problem is resolved carefully reconnect the external numeric keypad external keyboard or mouse making sure that you have seated the connectors properly If keys on the keyboard still do not work have the computer serviced A number appears when you type a letter The numeric lock function is on To disable it ...

Страница 38: ...ng low Connect the ac adapter to the computer or replace the battery pack with a fully charged one The LCD remains blank after you take action to return from a sleep mode Check whether the external monitor was disconnected while the computer was in standby mode Do not disconnect the external monitor while the computer is in standby mode or hibernation mode If no external monitor is attached when t...

Страница 39: ... Double click the System icon in the Control Panel 2 Click the Device Manager tab 3 Double click Network Adapter 4 Double click Intel EtherExpress PRO PCI Adapter 5 Select the Disable in this hardware profile check box 6 Click OK 7 Close all windows 8 Restart the computer For Windows NT 1 Double click the System icon in the Control Panel 2 Select Intel EtherExpress PRO Adapter and click Startup 3 ...

Страница 40: ...ck Start 2 Move the cursor to Settings and Control Panel 3 Click Control Panel and then double click System 4 Click the Device Manager tab 5 Click the mark for CD ROM 6 Double click the name of the CD ROM or DVD ROM 7 Click the Settings tab 8 Clear the Auto insert notification check box Windows 98 no longer detects a CD ROM or a DVD ROM automatically For Windows NT If you enable the CD ROM AutoRun...

Страница 41: ...ou must format your hard disk with the FAT format system to use hibernation mode in Windows NT If you format your hard disk with NTFS the default format in Windows NT you cannot use hibernation mode 1 Start the ThinkPad Configuration Program 2 Click Power Management 3 Click Suspend Resume Options 4 Click Enable Hibernation 5 Click OK The computer cannot enter hibernation mode when you are using on...

Страница 42: ... Settings tab 2 Check whether the color depth and resolution are correctly set 3 Click Display Type 4 Make sure RAGE MOBILITY xx AGP is shown in the Display Type window xx changed by the system 5 Click OK 6 Click the Test button in the Settings window 7 Make sure the output is displayed correctly Incorrect characters appear on the screen Make sure that the operating system and the application prog...

Страница 43: ...attery pack is short Discharge and recharge the battery pack If your battery s operating time is still short use a new battery pack The computer does not operate with a fully charged battery pack The surge protector in the battery pack might be active Turn off the computer for one minute to reset the protector then turn on the computer again The battery pack cannot be charged You cannot charge the...

Страница 44: ...k that other applications run correctly on your computer Check that the necessary device drivers are installed Check that the application works when it is run on some other computer If an error message appears when you are using the application program refer to the manuals supplied with the application If the application still does not run correctly contact your place of purchase or a service repr...

Страница 45: ...lace the battery with a fully charged one or change your power source to ac power If you still have a problem press and hold the power switch for 4 seconds or more this forces the computer to turn off The computer does not start from the device you choose such as a diskette drive Refer to the Startup menu of the IBM BIOS Setup Utility refer to Starting BIOS Setup Utility on page 7 Make sure that t...

Страница 46: ...PC Doctor reports that all tests have been run and that it found no problems consider running additional tests in PC Doctor If you are preparing to contact IBM for support be sure to print the test log so that you can rapidly provide information to the help technician Backing up your system Backing up your system configuration When you add software applications or devices to your computer the inst...

Страница 47: ...napshot open ConfigSafe and follow the on screen instructions Backing up your data Hard disks are reliable data storage devices Even so it is wise to protect yourself against accidental data loss or the unlikely event of a hard disk malfunction by backing up your important files regularly To back up data start the backup application as follows 1 Click Start 2 Move the cursor to Programs Accessorie...

Страница 48: ... you use a Recovery CD Note The recovery process might take up to 2 hours To start the recovery process 1 Turn off the computer 2 Make sure that the CD or DVD ROM drive is connected to your computer 3 Make sure that the diskette drive is connected to your computer 4 Insert the Recovery CD Boot Diskette into the diskette drive 5 Turn on the computer 6 Follow the on screen instructions You will be p...

Страница 49: ...clicking it Install Software Use this page for doing the following Reinstalling a software application Installing a hardware device driver Installing additional software that was not preinstalled on your computer Uninstall Software You can uninstall any application program or device driver that was installed from the Software Selections CD and that has an uninstall entry in the Add Remove Program ...

Страница 50: ...program onto your hard disk and install software and drivers without the CD Read the License Agreement This page describes the license agreements for the software programs on the Software Selections CD Help This page introduces the Software Selections CD and explains each item 34 IBM ThinkPad A20 User s Reference ...

Страница 51: ...If the problem is determined to be caused by IBM hardware under warranty trained service personnel are available to provide the applicable level of service Engineering change management Occasionally there might be changes that are required after a product has been sold IBM or your reseller if authorized by IBM will make Engineering Changes ECs available that apply to your hardware To prepare for y...

Страница 52: ...an create a customized support page that is specific to your hardware complete with Frequently Asked Questions Parts Information Technical Hints and Tips and Downloadable files You will have the information you need all in one place In addition you can choose to receive e mail notifications whenever new information become available about your registered products You can also go directly to the Thi...

Страница 53: ...ur computer Identification numbers The serial number label is on the bottom of your computer Write the machine Type and the serial number S N below Ø DIMM _____MB Ø Hard disk drive _____GB Ø PC Cards _____MB Ø PC Card Ø PC Card Ø Battery pack Ø Docking station _____model Ø Port replicator Ø Other IBM product name Machine type Serial number Chapter 3 Solving computer problems 37 ...

Страница 54: ...as possible Type of problem Ø Continuous Ø Intermittent Error code Operating system and version if available Ø Windows Version______ Application programs running at the time of the problem Problem symptom describe in detail Can the problem be reproduced Ø Yes Ø No If yes describe how it can be reproduced 38 IBM ThinkPad A20 User s Reference ...

Страница 55: ...eller will specify the type of service For a feature conversion or upgrade IBM or your reseller may require that the Machine on which it is installed be 1 the designated serial numbered Machine and 2 at an engineering change level compatible with the feature conversion or upgrade Some of these transactions called Net Priced transactions may include additional parts and associated replacement parts...

Страница 56: ...ARTICULAR PURPOSE HOWEVER SOME LAWS DO NOT ALLOW THE EXCLUSION OF IMPLIED WARRANTIES IF THESE LAWS APPLY THEN ALL EXPRESS AND IMPLIED WARRANTIES ARE LIMITED IN DURATION TO THE WARRANTY PERIOD NO WARRANTIES APPLY AFTER THAT PERIOD In Canada warranties include both warranties and conditions Some jurisdictions do not allow limitations on how long an implied warranty lasts so the above limitation may ...

Страница 57: ...onk NY 10504 1784 U S A Year 2000 readiness and instructions This is a Year 2000 Readiness Disclosure A product is Year 2000 Ready if the product when used in accordance with its associated documentation is capable of correctly processing providing and or receiving date data within and between the 20th and 21st centuries provided all other products for example software hardware and firmware used w...

Страница 58: ...es you to check periodically for updated information Trademarks The following terms are trademarks of the IBM Corporation in the United States or other countries or both Microsoft Windows and Windows NT are trademarks of Microsoft Corporation in the United States and or other countries Pentium is a trademark of Intel Corporation in the United States and or other countries For a complete list of In...

Страница 59: ...s Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult an IBM authorized dealer or service representative for help Properly shielded and grounded cables and connectors must be used in order to meet FCC emission limits Proper cables and co...

Страница 60: ...f EU Council Directive 89 336 EEC on the approximation of the laws of the Member States relating to electro magnetic compatibility IBM cannot accept responsibility for any failure to satisfy the protection requirements resulting from a non recommended modification of the product including the fitting of non IBM option cards A declaration of Conformity with the requirements of the Directive has bee...

Страница 61: ...ices you may connect to your line as determined by the REN REN 0 7 you should call your local telephone company to determine the maximum REN for your calling area 4 If the built in modem causes harm to the telephone network the telephone company may discontinue your service temporarily If possible they will notify you in advance But if advance notice isn t practical you will be notified as soon as...

Страница 62: ... of each transmitted page or on the first page of the transmission the date and time it is sent and an identification of the business or other entity or other individual sending the message and the telephone number of the sending machine or such business other entity or individual The telephone number provided may not be a 900 number or any other number for which charges exceed local or long dista...

Страница 63: ...portant in rural areas Caution Users should not attempt to make such connections themselves but should contact the appropriate electric inspection authority or electrician as appropriate The Ringer Equivalent Number REN 0 3 assigned to each terminal device provides an indication of the maximum number of terminals allowed to be connected to a telephone interface The termination on an interface may ...

Страница 64: ...e électrique des lignes téléphoniques et des canalisations d eau métalliques s il y en a sont raccordés ensemble Cette précaution est particulièrement importante dans les régions rurales Avertissement L utilisateur ne doit pas tenter de faire ces raccordements lui même il doit avoir recours à un service d inspection des installations électriques ou à électricien selon le cas L indice de charge IC ...

Страница 65: ...nd is intended for home and other limited viewing use only unless otherwise authorized by Macrovision Corporation Reverse engineering or disassembly is prohibited Notice for European Union countries The built in modem equipment has been approved to Council Decision 98 482 EC TBR 21 for pan European single terminal connection to the Public Switched Telephone Network PSTN However due to differences ...

Страница 66: ...50 IBM ThinkPad A20 User s Reference ...

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