IBM ThinkPad 755CX Manual Download Page 237

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Getting Service

Listing Installed Options

When getting service, you might need to know which options you
have in your system. Check or write the names of your options
below.

IC DRAM Card

(2MB, 4MB, 8MB, or 16MB)

Option in the

Diskette Drive Compartment

DIMM

(4MB, 8MB, or 16MB)

DIMM Adapter

Internal Diskette Drive

Battery Pack

PC Cards

______MB Hard Disk Drive

Others

Chapter 8. Solving Computer Problems

221

Summary of Contents for ThinkPad 755CX

Page 1: ...i...

Page 2: ...ents or changes in the products and the programs described in this publication at any time It is possible that this publication may contain references to or information about IBM products machines and...

Page 3: ...ThinkPad 755CX is one of the most advanced and versatile notebook computers With such innovative features as audio telephony infrared ports a long life battery and a brilliant color display the Think...

Page 4: ...rity Features Fn Key Function Power Management ThinkPad Features Program PCMCIA Support Long Life Battery Pack Easy Setup Mwave DSP Audio Telephony and Data Fax Modem Features Thinkpad Features 1 8 2...

Page 5: ...security passwords for the computer and hard disk drive Lock security and a personalization utility are also provided See Chapter 5 6 Fn key function The combination of this Fn key and a function key...

Page 6: ...vi IBM ThinkPad 755CX User s Guide...

Page 7: ...ns describes how to install or remove IBM options Chapter 7 Installing Software explains how to install operating systems device drivers and other support software Chapter 8 Solving Computer Problems...

Page 8: ...nger Warning Indicates possible damage to programs devices system or data It appears before the related instruction or situation in which possible damage could occur Indicates situations that are pote...

Page 9: ...devices 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 recept...

Page 10: ...le battery attached under the diskette drive can be replaced only by your IBM authorized reseller or IBM marketing representative Do not disassemble incinerate or short circuit it The battery can caus...

Page 11: ...Display 27 Using a DOS Application with Your 755CX SVGA Model 28 Using the Online Book 29 Starting for OS 2 or Windows 29 Starting for DOS 29 Keeping the Computer from Being Damaged 30 Carrying the Co...

Page 12: ...ghtness 105 Using Power Saving Modes 106 Chapter 5 Protecting Your Computer 109 Using Passwords 110 Power On Password 110 Hard Disk Password 114 Supervisor Password 118 Using the Hard Disk and Power O...

Page 13: ...g the Operating System 176 IBM OS 2 Warp or Version 2 11 176 IBM DOS Version 7 0 or Later 176 Microsoft Windows Version 3 11 or Later 177 Installing the ThinkPad Features Program 180 Installing for OS...

Page 14: ...224 Appendix A Avoiding Hardware Conflicts 227 Appendix B Advanced Information for PC Cards 231 Auto Configurator for the PC Card Director Program 231 Example When a Modem Card Is Used 232 Example Wh...

Page 15: ...Appendix E Product Warranties and Notices 255 Notices 261 Trademarks 261 Electronic Emission Notice 263 Glossary 269 Index 273 Contents xv...

Page 16: ...xvi IBM ThinkPad 755CX User s Guide...

Page 17: ...dvanced computers for your mobile computing needs It can used both inside and outside your office This chapter describes the Product Map and the steps for setting up the computer About the Product Map...

Page 18: ...ace the shipping items and options on the Map you will be able to check that all items were shipped to you Checking Your Items Remove the Product Map from the box and spread it on a desk or flat surfa...

Page 19: ...ave DSP Features Diskettes contain the DSP digital signal processor support programs 8 Miscellaneous items are supplied in an envelope that contains Spare caps for TrackPoint III Wallet for telephone...

Page 20: ...ng Started Other Symbols on the Product Map This section describes the slots connectors and options that are shown on the Product Map To install options refer to Chapter 6 4 IBM ThinkPad 755CX User s...

Page 21: ...r Memory Card International Association PCMCIA 1 The security keyhole is used with the Kensington MicroSaver Security System hereafter called Kensington lock or a compatible lock to protect the device...

Page 22: ...oard Some pressure might be needed to slide these latches if they are tight 3 Install the battery pack into the middle compartment and firmly press it in to make sure of the electrical connection then...

Page 23: ...Getting Started 2 Right Side View 2 1 1 2 2 1 3 3 1 Chapter 1 Getting Started 7...

Page 24: ...ther screen appears see Screen Messages on page 206 An Operating System screen Date and Time menu 03 31 23 59 59 Month Day Hour Month Second Year 1995 If you purchased a computer with a preinstalled o...

Page 25: ...Getting Started 2 3 1 4 5 6 7 Chapter 1 Getting Started 9...

Page 26: ...Getting Started 10 IBM ThinkPad 755CX User s Guide...

Page 27: ...Adapter 18 Battery Pack 20 Car Battery Adapter 22 Operating with the TrackPoint III 23 Changing the Cap 25 Operating the Numeric Keypad 26 Using the Display 27 Using a DOS Application with Your 755CX...

Page 28: ...ations and Functions Locations and Functions This section provides additional useful information about your computer FrontView 1 2 4 6 3 5 7 8 9 12 11 13 14 10 10 15 16 12 IBM ThinkPad 755CX User s Gu...

Page 29: ...ice connector is used to attach a mouse external keyboard or external numeric keypad to the computer See page 159 163 6 PCMCIA slots accept one or two PC Cards See page 134 7 The PC Card eject buttons...

Page 30: ...Locations and Functions InsideView RearView Bottom View 6 14 IBM ThinkPad 755CX User s Guide...

Page 31: ...ere you connect a stereo headphone or external speakers See page 76 5 The microphone line in jack a 1 8 inch 3 5 mm diameter jack is where a stereo microphone or external audio device is connected See...

Page 32: ...yellow Enough power remains for operation Orange Some power remains for operation Blinking orange The battery pack needs charging Yellow Orange Blinking orange 3 Battery charging Green Indicates that...

Page 33: ...pressing the Caps Lock key 9 Scroll lock Green Alternately turns on and off each time the ScrLk key is pressed While this indicator is on the Arrow keys are used as screen scroll function keys In thi...

Page 34: ...for the AC Adapter is 100 240 V ac 50 60 Hz CAUTION Do not attempt to open the AC Adapter case The AC Adapter is permanently sealed and cannot be repaired Warning Always use the AC Adapter certified...

Page 35: ...viding Power To Wrap and Fasten the AC Adapter Cable When you carry the AC Adapter with your computer you can wrap and fasten the cable as follows 1 1 2 3 Chapter 2 Getting Familiar with Your Computer...

Page 36: ...with the battery pack see Chapter 4 You can use the following battery packs for the ThinkPad 755CX Lithium Ion Battery Pack The following table shows the operating time of the computer with a fully c...

Page 37: ...del 2 6 8 0 hours Before Using the NiMH Battery Pack This battery pack has an internal microprocessor to send the battery status to the computer The storage switch 1 on the battery pack sets this micr...

Page 38: ...eller or IBM marketing representative To charge the standby battery connect the AC Adapter to the computer When using the computer for the first time let the battery charge for at least 8 hours to all...

Page 39: ...ngers from their typing position The TrackPoint III consists of a stick 1 on the keyboard and a pair of click buttons 2 below the keyboard The motion of the cursor on the screen is controlled by the a...

Page 40: ...ess the click buttons with either thumb to select and drag as required by your software as with any other pointing device Note The mouse cursor may drift in some computer conditions It is not a defect...

Page 41: ...e TrackPoint III Changing the Cap The cap 1 on the end of the TrackPoint III is removable You can replace it with one of the spares shipped with your computer Chapter 2 Getting Familiar with Your Comp...

Page 42: ...to the computer To enable the numeric keypad press and hold Shift and then press NumLk 0 1 2 3 4 5 6 7 8 9 NumLk Note The keys are functional but the function of the key is not printed on the keytop W...

Page 43: ...4 by 768 resolution video at maximum To change the display mode Page 166 To display the computer output on the external display you need to set the display mode appropriately You can select one of the...

Page 44: ...h the external display that supports only VGA mode 640 by 480 resolution Otherwise the screen of the external display is disordered and the output is not displayed Display Mode LCD only CRT only Both...

Page 45: ...CD READIBM at the command prompt and press Enter 2 Type READIBM and press Enter The menu for the online book appears Choose any subject from the menu Hints and Tips You can leave a bookmark or write n...

Page 46: ...t press on the middle part of the diskette drive Insert a diskette straight into the diskette drive Inserting it at an angle can damage the front of the diskette drive Do not place more than one diske...

Page 47: ...omputer 5 Make sure all computer doors and covers are closed To remove the diskette drive Page 150 For Your Information 1 You should occasionally back up data from the hard disk to diskettes or tapes...

Page 48: ...Carrying the Computer 32 IBM ThinkPad 755CX User s Guide...

Page 49: ...ibernation File 59 Considerations for Hibernation Mode 60 Using PC Cards 61 About PC Cards 61 Limitations of Operation during Suspend and Hibernation Modes 61 Using the PC Card Director Program 62 Und...

Page 50: ...computer checks the drives for an operating system is set in the drive startup sequence See Using the Selectable Drive Startup Sequence on page 47 for more information 03 31 23 59 59 Month Day Hour Mo...

Page 51: ...shows the structure of the ThinkPad Features program Power Display Alarm Settings ThinkPadSetup ThinkPad Features Device Power More Power Mode SystemInformation Suspend Hibernation Resume Options IRQ...

Page 52: ...hinkPad Setup Fuel ThinkPad Features Help XX XXXXX X XX XXX Personalization Docking Control Docking Control Help PC Card Director Hints and Tips You also can use ThinkPad Features Program through the...

Page 53: ...top timer 20 minutes 10 minutes Your choice Processor speed Maximum Automatic clock control Your choice Customizing power mode To customize the power mode such as the processor speed select Settings T...

Page 54: ...using the TrackPoint III or another pointing device Note When the color depth is set to 65536 or 32768 the available virtual screen size is 800 by 600 resolution at maximum To get a virtual screen wi...

Page 55: ...on of transfer and operating mode and view the interrupt levels Note You cannot use more than two serial devices at the same time Serial devices include a device connected to the serial port a modem i...

Page 56: ...ws you to display personal data such as your name and address on the screen when the computer is turned on These appear only when a password is set Personalization Utility program Page 125 Docking Con...

Page 57: ...SK SPeed STandby DISCHARGE DEFAULT Cover Note The screen might be different from the actual one You can select an item from the menu and follow the instructions on the screen to set any of the feature...

Page 58: ...te drive Note You can change the screen color of the Easy Setup menu with Ctrl PgUp or Ctrl PgDn Use Ctrl Home to restore the original screen color 3 Press and hold F1 then turn on the computer Hold F...

Page 59: ...te drive compartment Parallel Parallel enables you to select the port address for a device such as a printer that is connected to the parallel connector When you select Bidirectional the data transfer...

Page 60: ...or icon to change the setting Clicking on the or icon changes the setting more quickly After verifying the selection click on OK or press Enter To cancel the setting click on Cancel or press Esc Pass...

Page 61: ...startup When no diskette drive is installed and the attached expansion unit Dock I or II has a diskette drive the diskette drive in the Dock I or Dock II will be the first drive Test Select Test to te...

Page 62: ...Using Easy Setup Restart Click on Restart to restart the computer after you have made your selections Then press Enter or click on OK 46 IBM ThinkPad 755CX User s Guide...

Page 63: ...ng system from the hard disk or the PC Card without checking the diskette drive or to do a remote program load RPL Changing the Startup Sequence To change the startup sequence do the following To star...

Page 64: ...Gauge program display on or off The Fuel Gauge program must be activated before you can use this key combination When the this key combination is pressed For OS 2 or Windows users The window for the...

Page 65: ...Customize The AC mode is used when the AC Adapter is attached The Fuel Gauge program displays the current power option Fn Hibernation mode Places the computer in hibernation mode See Hibernation Mode...

Page 66: ...0 Standby Mode Enter standby mode for short idle times for example when you are having a short conversation with someone See page 52 for more information Suspend Mode Enter suspend mode for short peri...

Page 67: ...ce versa The battery shows the amount of battery power used in each stage To set the timer Page 35 Power Switch Fn F11 StandbyMode Fn F4 Power Shutdown Switch Operation Mode Anykey Power off 0 Hiberna...

Page 68: ...wing shows what causes the computer to enter standby mode and resume normal operation Fn key function Page 48 To Standby Mode Fn F3 key combination is pressed No activity occurs during the time specif...

Page 69: ...e is used The suspend button is pressed in the Fuel Gauge program No activity occurs during the time specified by the Suspend timer of the ThinkPad Features program A low battery condition is detected...

Page 70: ...s suspend mode the current memory data is stored on the hard disk so that you can get the same status after resuming normal operation And if battery power is exhausted during suspend mode you can get...

Page 71: ...mode when used with the following operating systems DOS Version 7 0 or later OS 2 Version 2 11 or later Microsoft Windows Version 3 11 with DOS Version 7 0 or later Important When you use Windows Vers...

Page 72: ...computer does not operate restart the application or computer When the computer is using one of the following IBM modem cards and detects an incoming call while in suspend mode it automatically resume...

Page 73: ...e computer automatically restores the tasks and resumes normal operation No battery power is used when the computer is in hibernation mode Note The time to enter or exit hibernation mode depends on th...

Page 74: ...ressed in the Fuel Gauge program The time specified by the hibernate option after the expiration of suspend mode No activity occurs during the time specified by the Suspend timer of the ThinkPad Featu...

Page 75: ...plus 1MB The following describes how to create a hibernation file for your operating system OS 2 WIN For OS 2 or Windows 1 Turn on the computer and start the ThinkPad Features program 2 Select Power t...

Page 76: ...ac power and is using one of the following IBM PC Cards it does not enter hibernation mode IBM PCMCIA Data FAX Modem IBM High Speed PCMCIA Data FAX Modem IBM 3270 Emulation Credit Card Adapter IBM 52...

Page 77: ...insert them in the PCMCIA slot of the computer The PCMCIA slots support Type I Type II and Type III PC Cards You can use two Type I or Type II PC Cards or one Type III PC Card in the PCMCIA slots How...

Page 78: ...ust be installed before you can use it PC Card Director requires the Socket Services and Card Services drivers Note The PCMCIA CRD file does not always list the latest PC Cards If your PC Card is not...

Page 79: ...n most PC Card Director menu screens To obtain additional information for each screen click on this button Status Icons Icon DOS Message Meaning Empty No PC Card is installed in the slot A PC Card is...

Page 80: ...card Hard Disk Hard disk card LAN Communication card Modem Modem card Depends on the type of your PC Card I O card DOS Boot DOS was booted from the PC Card that is installed OS2 Boot OS 2 was booted...

Page 81: ...the upper PCMCIA slot and No 2 is for the lower slot Descriptions of the icons are on page 63 OK Options Help View PCMCIA Socket Detail View No Status CardType CardInformation X XXXXXXXXXX XXXXX XX XX...

Page 82: ...the PC Card type You can minimize the screen and keep it on the OS 2 Desktop to view the slot information Options Help View 1 2 Modem PCCardDirector If you select Options the following choices appear...

Page 83: ...cardisready Bymanualoperation After you register an application program you can set it to start automatically when you insert the PC Card by selecting Automatically as card is inserted You can registe...

Page 84: ...program in the workplace of the Object List RegisterObject SelectaCardType Memory OK Help V ObjectList Drag DropWorkplaceObjectbelow Launch AutomaticallyasCardisReady AutomaticallyasCardisInserted By...

Page 85: ...he lower one PC Card Director c Copyright IBM Corp 1995 Version x xx Card Services DOS Card Services Driver Version x xx PCMCIA Card Services Release x xx Revision x xx Socket Information Socket Statu...

Page 86: ...e lower one Options Help PCCardsSummary No Status CardType CardInformation Empty 1 CardInfo Appl Register Ready Memory X XXXXX XXXXX XXX XX XX XX XX 2 OK PCCardDirector PCCardDirector Card Info shows...

Page 87: ...rd Director icons Register does the following Register Applications registers changes or deletes an application program according to the PC Card type even when a PC Card is not installed in the slot C...

Page 88: ...Mbps Million bits per second Kbps Kilobits per second ThinkPad 1 15 Mbps This mode is used when communicating with another 755 series computer with an infrared port or other systems supporting ThinkP...

Page 89: ...ng distance It is recommended that the communicating ThinkPad computers use their rear infrared port to communicate with each other When communicating between a front infrared port and an infrared por...

Page 90: ...un only one application at a time to communicate with the infrared ports When using applications that use a conventional serial port and serial cable to exchange data your computer infrared ports are...

Page 91: ...ent of audio and telephony functions including the following Note You can use an electric condenser microphone with battery for sound recording Audio functions Supports the wave audio record and playb...

Page 92: ...tween the computer and the external cables or devices Modem FaxPort When the DAA TelephonyOption Kit is installed Data Access Arrangement Headphone Jack Microphone Line in Jack Modem FaxPort Headphone...

Page 93: ...2 For OS 2 Wave audio record and playback MIDI synthesizer Sound Blaster support in the DOS session Data modem DOS For DOS Sound Blaster support Data modem WIN For Windows Wave audio record and playb...

Page 94: ...tion in the OS 2 environment through Multimedia Presentation Manager 2 MMPM 2 To use the Mwave audio functions with OS 2 refer to the MMPM 2 manuals For Your Information To play the audio files in the...

Page 95: ...he DOS prompt then press Enter A boot diskette has started to be created Before starting your games restart your computer with this boot diskette inserted into the diskette drive Some sample files suc...

Page 96: ...To install Mwave support software Page 195 Recorder Record and Playback the Wave Audio Files When you double click on the Recorder icon the following window appears File Edit Options Help Mono 11 025k...

Page 97: ...monitor the input signal and select an options menu for additional control Output control This section allows you to adjust the balance and sound levels and control the mute And it can be considered a...

Page 98: ...ux Source when you do not use it Playing the MIDI Sequencer Files Note When you play the MIDI files in the WIN OS 2 environment see Considerations for the WIN OS 2 Environment on page 83 To play the M...

Page 99: ...Simply open a DOS session and start the game Considerations for the WIN OS 2 Environment Note When you use the WIN OS 2 environment see For Windows or WIN OS 2 on page 80 The following are considerat...

Page 100: ...o your computer DANGER To avoid shock hazard do not connect the telephone cable to or disconnect it from the telephone outlet on the wall during electrical storms Note If you use both the computer and...

Page 101: ...start the Mwave modem OS 2 WIN For OS 2 and Windows To start the Mwave modem do the following 1 Select the following according to your operating system For OS 2 open the Mwave for OS 2 folder on the O...

Page 102: ...ave DSP resources for other functions To turn off the modem do the following 1 If the modem window is minimized double click on the icon to maximize it 2 Select Close from the window pull down menu DO...

Page 103: ...on Bell 103 212A CCITT V 21 V 22 V 22bis protocols with data from 50 to 2400 bps CCITT V 32 protocols with data rates of 4800 9600 uncoded and 9600 bps Trellis coded optional CCITT V 32bis protocols w...

Page 104: ...lection window allows you to change the country name currently supported by the Mwave telephony features When you travel to other countries and use the Mwave telephony function you need to change the...

Page 105: ...omatic dialing feature Support for a Windows MCI FAX application interface Use of direct memory access DMA instead of a COM port to increase performance DTMF and pulse dialing G3 transfers T 4 T 30 op...

Page 106: ...peaker Record multiple greetings Log both incoming and outgoing phone calls Start recording your greeting after being alerted by a beep Alert your caller with a beep to start recording a message Place...

Page 107: ...s 96 Using the Battery Power Status Indicator 96 Low Battery Condition 97 Using the Fuel Gauge Program 98 Fuel Gauge Program for OS 2 and Windows 99 Discharging the Battery Pack for OS 2 and Windows 1...

Page 108: ...CX SVGA model 3 0 9 0 hours 755CX VGA model 3 2 10 0 hours Model Battery Operating Time 755CX SVGA model 2 4 7 0 hours 755CX VGA model 2 6 8 0 hours Charging the Battery Pack Note While you operate yo...

Page 109: ...otes When you charge the lithium ion battery pack its temperature must be at least 10 C 50 F When the AC Adapter is connected and the remaining power of the installed battery pack is less than a certa...

Page 110: ...off charging 1 2 hours Suspend mode charging 1 2 hours To discharge the battery Page 98 If the NiMH battery pack is new or has not been used for a long period of time it will not reach full charge wi...

Page 111: ...hout turning off the computer do the following Note Make sure the locking lever for the hard disk drive is unlocked 1 Open the LCD then open the keyboard The computer automatically enters suspend mode...

Page 112: ...dition Status Condition Action Required Green Fully charged Continue your work Yellow Usable Orange Some power remains You will hear three beeps when the indicator turns orange The AC Adapter should b...

Page 113: ...the computer 2 Press the Fn key To continue your work with a fully charged battery pack 1 Connect the AC Adapter to the computer 2 Replace the battery pack with a fully charged one 3 Press the Fn key...

Page 114: ...program displays the battery pack condition on the screen The Fuel Gauge program appears on the screen with the following information about the battery pack Power mode Battery status Suspend or hiber...

Page 115: ...urce AC Adapter or battery and power mode alternately appear when the program is minimized Power source AC AC Adapter BT Battery Power mode HI High Performance AU Automatic CU Customized 2 Duration of...

Page 116: ...Charge button appears in place of the Discharge button You can use the computer while the battery pack is discharging however do not enter suspend mode or turn off the computer until the discharge is...

Page 117: ...connected When the AC Adapter is connected to the computer the following messages alternately appear Power source AC Charge charging battery pack AC Discharge discharging battery pack AC battery pack...

Page 118: ...ischarging the Battery Pack for DOS Note The battery charging indicator starts blinking when discharging starts When the AC Adapter is being used and the battery pack needs to be discharged the comput...

Page 119: ...l it is fully charged Turn off the computer whenever it is not in use Warning When you use the NiMH battery pack make sure the battery pack power is completely used before you recharge it Recharging a...

Page 120: ...ions and devices are idle Each operating system comes with its own APM OS 2 When you use OS 2 with your computer APM is automatically installed when the installation program detects that your computer...

Page 121: ...setup 3 Using the Arrow keys position the highlighted cursor over MS DOS System and press Enter 4 Position the highlighted cursor over MS DOS System with APM and press Enter 5 Verify that the item Com...

Page 122: ...uspend mode Page 53 Enter standby mode or suspend mode whenever you are not using the computer One of the easiest ways to enter the modes is to use the Fn key function To enter standby mode press and...

Page 123: ...ode To install the ThinkPad Features program Page 180 Note These power modes allow immediate setting of all power saving options to their optimum values for each mode To select a power mode Press and...

Page 124: ...the feature is controlled by the power management function Maximum Medium Slow Minimum Processor Hard Disk Off Saving Power Amount of Required Power 100 Legend Require Power in No Power Saving Mode P...

Page 125: ...Setup 118 Setting a Supervisor Password 119 Changing a Supervisor Password 120 Removing a Supervisor Password 121 Using the Hard Disk and Power On Passwords 122 Using the Supervisor and Hard Disk Pas...

Page 126: ...ess the Fn key to return to normal operation from suspend mode When the password is entered correctly OK appears Note Do not press the Spacebar after you enter the password this action removes the pas...

Page 127: ...ase one a are regarded as same letter 4 Type your power on password again to verify it then press Enter Do Not Forget Your Power On Password If you forget your power on password you cannot reset it Yo...

Page 128: ...on 2 When the password prompt appears type your current power on password then press the Spacebar 3 Type the new password then press the Spacebar Use no more than seven characters 4 Type the new passw...

Page 129: ...You cannot remove it after normal operation is resumed To remove a power on password do the following 1 Turn off the computer and wait at least 5 seconds then turn it on 2 When the password prompt ap...

Page 130: ...returns to normal operation from suspend or hibernation mode When the password is entered correctly OK appears When the hard disk password is set activation of the resume function by the timer or an...

Page 131: ...example A and lowercase one a are regarded as same letter 4 Type your hard disk password again for verification then press Enter Do Not Forget Your Hard Disk Password Note the password and keep it in...

Page 132: ...on page 112 When the hard disk password and the power on password are different or the power on password has not been set 1 Turn off the computer and wait at least 5 seconds then turn it on 2 If you...

Page 133: ...ord on page 113 The hard disk password is removed when you remove the power on password If the power on password is needed reset it When the hard disk password and the power on password are different...

Page 134: ...ectly X appears If you fail to enter the correct password after three tries you must turn the computer off wait at least 5 seconds and turn it on to try again When typing your password release each ke...

Page 135: ...ur supervisor password again for verification then press Enter Do Not Forget Your Supervisor Password Note the password and keep it in a safe place If you forget your supervisor password you have to t...

Page 136: ...ew password then press Enter 6 Type the new password again for verification then press Enter Do Not Forget Your Supervisor Password Note the password and keep it in a safe place If you forget your sup...

Page 137: ...pervisor password then press Enter 3 Select the Password icon from the Easy Setup menu 4 Select the Supervisor icon then type your current password and press the Spacebar 5 Press Enter at the blank bo...

Page 138: ...rmal operation is activated from the suspend mode by the timer or an incoming call Enter the hard disk password at the blank screen The LCD remains blank until the correct password is entered Using th...

Page 139: ...hen you are using more than one hard disk drive on your computer To set a supervisor password Page 119 1 Set a supervisor password on your computer To install the hard disk drive Page 148 2 Install th...

Page 140: ...t 3 Turn on the computer The hard disk password prompt appears 4 Do one of the following If you removed the supervisor password type the old supervisor password then press the Spacebar If you changed...

Page 141: ...the personalization update utility to store your personal data in the nonvolatile memory of your system Company Name IBM Corporation Address Phone Number Fax Number Message In case you find this comp...

Page 142: ...e Attributes Brush Shapes Edit Colors d Specify a Width of 320 and Height of 200 then select pels under Units and Black and White for Colors Select OK Image Attributes Units Width Height in OK Cancel...

Page 143: ...in OK Cancel Default Black and White Colors Colors cm pels 160 100 Note A sample file BACKSAMP BMP is available on the diskette d Draw an image or color the background then save the background as a 1...

Page 144: ...lect the bitmap file with the saved text on the backup of the Utility Diskette then click on OK or press Enter d Select Convert then select Save from the pull down menu e Select File then select Backg...

Page 145: ...urn on the computer 9 Select Update personalization data then follow the instructions on the screen Your data will be stored in the nonvolatile memory in the system You have completed creating your pe...

Page 146: ...rmission To protect the internal devices under the keyboard and prevent the removal of your computer you can use the lock on the hard disk drive or you can purchase a Kensington lock or a compatible l...

Page 147: ...ithout permission purchase a Kensington lock or a compatible lock and attach it to the keyhole on the side of the computer then secure the chain on the lock to a stationary object This also prevents t...

Page 148: ...locking lever for the hard disk drive is unlocked 1 Open the keyboard and insert the PC Card lock 1 as shown To lock the keyboard Page 130 2 Lock the keyboard Removing the PC Card Lock To remove the...

Page 149: ...ont Bezel 153 Installing the DAA Telephony Kit 155 Attaching an External Numeric Keypad or a Mouse 159 Using the Mouse and Other Pointing Devices 160 Using a Mouse on the IBM ThinkPad Space Saver Keyb...

Page 150: ...t is on the PCMCIA Features Diskette before using the PC Cards Type I and II PC Cards can be inserted into either the upper or lower slot or in both slots at the same time The Type III PC Card however...

Page 151: ...e upper slot 1 or the lower slot 2 as shown Then press it firmly into the connector If you want to use another PC Card insert it into the other slot in the same way If you are using a Type III PC Card...

Page 152: ...rations for Hibernation Mode on page 60 To secure your PC Card with a lock see Using the PC Card Lock on page 132 Removing the PC Card Warning Make sure the PC Card lock is removed 1 Press the PC Card...

Page 153: ...pacities 2MB 4MB 8MB and 16MB Because your computer comes with 8MB of memory the maximum memory capacity is 24MB if a 16MB IC DRAM card is installed DIMM You might want to install more memory to maxim...

Page 154: ...re the AC Adapter is disconnected from the computer The diskette drive is a very delicate device that needs careful handling Do not press on drop or apply any shock to the diskette drive while it is r...

Page 155: ...s shown This strap is used to remove the card Warning Do not insert any PC Card into the connector for the IC DRAM card 7 Insert the IC DRAM card as shown Press the card firmly into the connector 8 Go...

Page 156: ...the levers 1 on the left side of the base plate 2 and pull the plate slightly toward the front then raise the rear portion of the base plate and remove it 1 2 2 1 10 Insert the DIMM adapter 1 into th...

Page 157: ...e side of the DIMM b With the notched end of the DIMM toward the right side of the socket 2 insert the DIMM at an angle of approximately 35 degrees into the socket then press it firmly c Pivot the DIM...

Page 158: ...get damaged 12 Reinstall the diskette drive Press on the shaded area 1 as shown until the drive snaps into the connector 2 1 13 Close the keyboard and reconnect all cables You have completed the inst...

Page 159: ...e AC Adapter is disconnected from the computer The diskette drive is a very delicate device that needs careful handling Do not press on drop or apply any shock to the diskette drive while it is remove...

Page 160: ...Increasing Memory Capacity 6 Remove the IC DRAM card by pulling the adhesive strap 1 7 Go to step 12 on page 147 144 IBM ThinkPad 755CX User s Guide...

Page 161: ...he DIMM do not touch its contact edge 8 Press the locks on both edges of the socket at the same time and remove the DIMM 9 While holding the strap 1 pull the DIMM adapter 2 toward the front and remove...

Page 162: ...uld have been removed and stored when you installed the DIMM adapter 10 Pinch the levers 1 on the left side of the base plate 2 and install it as shown 1 2 2 1 11 Push the base plate forward to click...

Page 163: ...ess on the middle of the diskette drive Otherwise the drive head could get damaged 12 Reinstall the diskette drive Press on the shaded area 1 as shown until the drive snaps into the connector 2 1 13 C...

Page 164: ...e is unlocked Warning The hard disk drive is a very delicate device that needs careful handling If it falls onto a hard surface severe damage can occur 2 Open the LCD then open the keyboard 3 Lift the...

Page 165: ...to the connector then close the keyboard 6 Connect the AC Adapter to the computer then turn on the computer You have completed the replacement of the hard disk drive To install your operating system a...

Page 166: ...re the AC Adapter is disconnected from the computer The diskette drive is a very delicate device that needs careful handling Do not press on drop or apply any shock to the diskette drive while it is r...

Page 167: ...ons in the Diskette Drive Compartment 5 Push the option cover from the bottom of the computer and remove it 6 Insert a coin between the diskette drive bezel and computer Chapter 6 Installing and Remov...

Page 168: ...t all cables 10 If the option in the diskette drive compartment requires power start the ThinkPad Features program and set the parameter to send power to it OS 2 WIN If you are using OS 2 or Windows 1...

Page 169: ...side of the computer do the following 1 Insert the upper portion of the option cover into the computer then insert the lower portion The following figure shows the computer as seen from its front sid...

Page 170: ...computer do the following Insert the lower portion of the diskette drive bezel into the computer then insert the upper portion Push the upper portion of the bezel down into the computer until it snap...

Page 171: ...can be used for telephony or modem fax functions without any changes However if a dummy connector plug is attached you need to install the DAA Telephony Kit into your computer to use the Mwave telepho...

Page 172: ...Installing the DAA Telephony Kit 3 Slide the latch 1 to the left most position and release the dummy plug 4 Remove the dummy plug 2 from the computer 156 IBM ThinkPad 755CX User s Guide...

Page 173: ...plug with the round receptacle and firmly press it into the connector Warning Do not leave the lever in its middle position Otherwise you cannot close the keyboard 6 Slide the lever to its right most...

Page 174: ...interface cable 2 to the round receptacle of the DAA c Connect the connector 3 of the ferrite core end of the telephone cable to the square receptacle of the DAA d Connect the other end of the teleph...

Page 175: ...2 Mouse and TrackPoint III as a pointing device The PS 2 Mouse is plugged into the external input device connector of the computer and functions normally when the TrackPoint III is not actually moving...

Page 176: ...he following to disable the TrackPoint III OS 2 WIN With OS 2 or Windows do the following 1 Start the ThinkPad Features program 2 Select Setup 3 Select Keyboard Pointing Device 4 Find the TrackPoint t...

Page 177: ...the Utility Diskette to install the device driver Using the ThinkPad Features Program OS 2 WIN With OS 2 or Windows do the following 1 Start the ThinkPad Features program 2 Select Setup 3 Select Keyb...

Page 178: ...he following screen appears Type the SOURCE drive leter A Z When you install a program the SOURCE drive letter is the location you are installing FROM Source Drive Enter F1 Help F3 Exit Installation O...

Page 179: ...end option in the ThinkPad Features program so the computer does not enter suspend mode when the LCD is closed The external keyboard must be connected through the keyboard mouse connector It will not...

Page 180: ...ters with the standard Centronics interface can be attached to the 25 pin parallel connector at the rear of the computer 1 Turn off the computer and attach the printer as shown 2 3 1 2 Turn on the com...

Page 181: ...5CX SVGA model and set the display mode to Both Do not attach the external display that supports only VGA mode 640 by 480 resolution to the computer Otherwise the screen of the external display is dis...

Page 182: ...nd from the command prompt Type PS2 SC BOTH to display information on both the LCD and external display Type PS2 SC CRT to display information on the external display Type PS2 SC LCD to display inform...

Page 183: ...nd VSYNC 4 Select your display type from the Monitor Selection list or click on the new resolution and VSYNC refresh rate from the list 5 Click on OK Next change Device Driver settings as follows For...

Page 184: ...virtual screen function is available It is used to display a part of the high resolution screen image that is produced by the computer Other parts can be seen by moving the screen with the TrackPoint...

Page 185: ...display is attached when the computer resumes the LCD will remain blank and the output will not be displayed It does not depend on the resolution value To attach an external display to the computer do...

Page 186: ...ouble click on the System Setup icon then click on the System icon 3 Select the new resolution and the number of colors 4 Restart Warp to make the changes effective For OS 2 V 2 11 or Windows 1 Start...

Page 187: ...ched SVGA display according to your operating system For OS 2 V 2 11 For Windows Color Resolution 256 colors 640 by 480 800 by 600 1024 by 768 Color Resolution 256 colors or 64 gray scale 640 by 480 8...

Page 188: ...up the Dock I or Dock II avoid any hardware conflicts Note When you dock the IBM Dock I or Dock II to the computer see Dock I User s Guide or Dock II User s Guide The following shows the computer att...

Page 189: ...ft Windows Version 3 11 or Later 177 Installing the ThinkPad Features Program 180 Installing for OS 2 180 Installing for DOS 181 Installing for Windows 182 Installing the PCMCIA Device Driver 183 Inst...

Page 190: ...operate correctly ThinkPad Features program PCMCIA device driver ThinkPad display driver Mwave support software Infrared support software Important If you will be installing Windows Version 3 11 or la...

Page 191: ...the ThinkPad Features Program Install the ThinkPad Features for Windows Install the PCMCIA device driver Install the PCMCIA device driver Install the Mwave DSP Support Software Install the Infrared Su...

Page 192: ...Features Program on page 180 Important When installing the operating system select the choices so that PCMCIA is supported PCMCIA will not be supported if you select Install Preselected Features DOS...

Page 193: ...Windows manual b When the Windows Setup program asks you to select Express Setup or Custom Setup type C to select Custom Setup If you have installed OS 2 the path to install Windows might have been c...

Page 194: ...dows into the diskette drive then type A and press Enter d Select your desired resolution from the menu then press Enter nnn nnn is the resolution type of your display Note Verify that Display has cha...

Page 195: ...ter must use the mouse driver that came with DOS a At the DOS prompt usually C type E AUTOEXEC BAT then press Enter b Find the line with the MOUSE statement If the line is as the following change it t...

Page 196: ...Double click on Command Prompts 3 Double click on OS 2 Full Screen 2 Install the ThinkPad System Management device driver a Insert the Utility Diskette into the diskette drive b Open the OS 2 full sc...

Page 197: ...FROM Source Drive Enter F1 Help F3 Exit Installation Options Installation Source Drive 3 Press Enter 4 Select Install DOS ThinkPad Features and Fuel Gauge Program from the Installation Options menu th...

Page 198: ...Options Windows Help Program New Open Move Copy Delete Properties Exit Alt Enter Enter F7 F8 Del File Run 3 Insert the Utility Diskette into the diskette drive 4 Type A INSTALLW then press Enter Foll...

Page 199: ...Director PC Card client device drivers only when PC Card Director does not support the PC Card Use the following tables to determine the appropriate installation instructions for the different operat...

Page 200: ...esource Map Utility DICRMU01 SYS Power Management Utility ICPMDOS SYS PC Card Director EZPLAY EXE EZPLAYW EXE EZPLAYW HLP AUTODRV SYS AUTODRV INI DISKDRV SYS IBMVCD 386 PC Card Client device drivers V...

Page 201: ...art the system 1 Move the cursor to a blank part of your OS 2 Desktop 2 Press the right button of your TrackPoint III or mouse 3 Select Shut down 5 After the installation has been successfully complet...

Page 202: ...Installation Source Drive 3 Press Enter 4 Select Install DOS PCMCIA Device Drivers from the Installation Options menu then follow the instructions on the screen Note If you are using a software EMS d...

Page 203: ...lp Program New Open Move Copy Delete Properties Exit Alt Enter Enter F7 F8 Del File Run 3 Insert the PCMCIA Features Diskette into the diskette drive 4 Type A PCMINSTW then press Enter 5 Follow the in...

Page 204: ...or your operating system For OS 2 see Installing for OS 2 V 2 11 on page 189 to install OS 2 device drivers including the WIN OS 2 device drivers For Windows if you did not install the display driver...

Page 205: ...e X DISKIMGS LOADDSKF X DISKIMGS OS2 35 DISP1 DSK A X is the drive for the CD ROM drive 2 Insert another blank diskette into the diskette drive then type X DISKIMGS LOADDSKF X DISKIMGS OS2 35 DISP2 DS...

Page 206: ...ed on your computer use the default directory on the screen Do not change it If OS 2 has not been preinstalled enter A When you are asked to select the display type select Primary Display then select...

Page 207: ...Display from the Windows Setup menu then select Other Requires disk from the next menu 4 Insert the Video Features Diskette for Windows into the diskette drive then type A and press Enter Note If you...

Page 208: ...Mwave DSP support software If the Mwave DSP Features Diskettes were supplied with your computer install the Mwave support software as follows For OS 2 see Installing for OS 2 For DOS see Installing fo...

Page 209: ...screen 8 After the installation is complete remove any diskette from the diskette drive then restart OS 2 to activate the Mwave support software You have completed the installation of the Mwave suppo...

Page 210: ...ectory location of Mwave support software appears Please specify the directory for the installation of Mwave products Destination Path OK Cancel c MWD 4 If this directory is acceptable press Enter Oth...

Page 211: ...ive 4 Type A SETUP then press Enter The following screen which enables you to specify the directory location of Mwave support software appears Mwave Installation Please enter the desired location for...

Page 212: ...o go to the DOS command prompt 1 Select OS 2 System 2 Select Command Prompts then select DOS Full Screen 3 Go to the DOS command prompt 4 Insert the Infrared Features Diskette into the diskette drive...

Page 213: ...screen appears Type the SOURCE drive leter A Z When you install a program the SOURCE drive letter is the location you are installing FROM Source Drive Enter F1 Help F3 Exit Installation Options Instal...

Page 214: ...Installing the Infrared Device Driver 198 IBM ThinkPad 755CX User s Guide...

Page 215: ...isleading error information or incorrect computer responses When testing non IBM products refer to the instructions supplied with those products Commonly Asked Problems and Actions 200 Testing the Com...

Page 216: ...sing the ThinkPad Features program P The computer does not resume from suspend mode or the suspend indicator stays on and the computer does not work A The computer automatically enters suspend or hibe...

Page 217: ...dem P The battery pack loses power too soon A Repeat the complete discharging and charging procedure two to three times See Preserving Battery Pack Life on page 103 for more information P The battery...

Page 218: ...ns no operating system is installed in your computer Install it now Did one of these screens appear Yes Turn off the computer and continue with step 2 No Go to page 204 2 Press and hold F1 then turn o...

Page 219: ...202 If you cannot go beyond the first screen have the computer serviced If an error is detected the character X appears at the left of the affected device and an error code appears below it Record the...

Page 220: ...ot set verify that The brightness control on the computer is correctly adjusted The Display device parameter of the ThinkPad Features program is correctly specified If the preceding items are correct...

Page 221: ...r then turn the computer on again The computer goes into suspend mode immediately after the POST The suspend mode indicator turns on Verify that The battery pack is charged The battery power status in...

Page 222: ...on or supervisor password was set To use the computer type the correct password and press Enter see page 110 If the power on password is not accepted a supervisor password might have been set Type th...

Page 223: ...ode and have the computer serviced Error prompt Turn off the computer and start Easy Setup then select Test to test the computer You can start the operating system by pressing F1 instead and ignore th...

Page 224: ...er 7 Turn on the computer If the same screen message appears have the computer serviced I99xxxxx Have the computer serviced 111 If you are using a Port Replicator or an expansion unit disconnect it th...

Page 225: ...or DIMM option is correctly installed 30x Turn off the computer and all attached devices Turn on the computer first then turn on the attached devices If the computer has an external keyboard connected...

Page 226: ...or install a fully charged battery pack to the computer then resume it If there is still a problem press the Power Shutdown switch on the rear of the computer with the tip of a pen to turn off the co...

Page 227: ...s either old or its operation time has been shortened by repeatedly charging it when it was not completely discharged Action 1 Check if the battery pack you are using has been charged for more than 2...

Page 228: ...battery pack the battery power status indicator blinks green yellow orange and then green again No battery status information is going from the battery pack to the computer Check that the storage swit...

Page 229: ...ing performance Configure Windows to use the VGA display driver rather than a higher resolution or less efficient driver Determine if your game allows you to turn off background music and only play sp...

Page 230: ...ng the infrared port on the computer Verify that The infrared function is enabled and other choices are set correctly in the ThinkPad Setup menu of the ThinkPad Features program see page 35 The commun...

Page 231: ...ve for help Problem Action An IBM option that was just installed does not work Verify that The option is designed for the computer The option has been installed correctly by following the instructions...

Page 232: ...you must enter the password If the external keyboard is connected the numeric keypad on the system keyboard will not work If the external numeric keypad or the mouse is connected 1 Turn off the compu...

Page 233: ...kPoint III 2 For DOS see page 41 All or some keys on the external numeric keypad do not work Verify that the external numeric keypad is correctly connected to the computer All or some keys on the exte...

Page 234: ...rrect and the screen of the external display remains blank run the display tests described in the instructions supplied with the external display If the tests show the external display is OK have the...

Page 235: ...ll and set the screen mode 800 by 600 resolution by PS2 MODE3X command do the following 1 At the DOS Shell screen select Options from the menu bar then select Display 2 Select Graphics 30 lines Medium...

Page 236: ...w that the printer is OK have the computer serviced Problem Action The computer has an intermittent problem An intermittent problem can be difficult to find Check that all cables and cords are securel...

Page 237: ...s you have in your system Check or write the names of your options below IC DRAM Card 2MB 4MB 8MB or 16MB Option in the Diskette Drive Compartment DIMM 4MB 8MB or 16MB DIMM Adapter Internal Diskette D...

Page 238: ...pair services The machine type and serial number 1 are located on the bottom of the computer The machine type has a prefix of Type The serial number has a prefix of S N 1 IBM Product Name ThinkPad 755...

Page 239: ...can help identify what service action is required and help the service representative provide quick and efficient service Important During the warranty period you may be responsible for repair costs...

Page 240: ...e phone Complete peace of mind 24 hours a day 7 days a week 365 days a year Helpware Magazine hints and tips for all With your free membership of HelpClub you will receive a free subscription to Helpw...

Page 241: ...4600 Finland 9800 6100 France 16 38 55 20 39 Germany 0231 9748 405 Italy 1678 36019 Luxembourg 02 542 5360 Netherlands 020 513 4700 Norway 66 99 95 95 Spain 91 563 10 01 Sweden 020 55 55 55 Switzerla...

Page 242: ...Getting Service 226 IBM ThinkPad 755CX User s Guide...

Page 243: ...ons for the computer and the ThinkPad Dock I or Dock II and select the available resource values OS 2 WIN If you are using OS 2 or Windows do the following 1 Start the ThinkPad Features program 2 Sele...

Page 244: ...isabled None 0378 037A None Parallel port 3 5 or disabled None 0278 027A None Infrared port 4 or 3 5 10 11 15 disabled None 01A0 01A7 or 01B0 01B7 01C0 01C7 01D0 01D7 02E8 02EF or 03F8 03FF 02F8 02FF...

Page 245: ...t and a parallel port of the computer Selectable in the ThinkPad Features program or PS2 command VL Bus master is used The IRQ for PC Card depends on the PC Card type Selectable in the Resource Map Ut...

Page 246: ...Avoiding Hardware Conflicts 230 IBM ThinkPad 755CX User s Guide...

Page 247: ...Cards When installing an operating system install the PCMCIA device driver that is on the PCMCIA Features Diskette so you can use the Auto Configurator program When Auto Configurator is installed the...

Page 248: ...rd that does not contain enough tuple data If the Auto Configurator cannot recognize the modem card installed into the PC Card slot you must add the modem card identification indicated in the level 1...

Page 249: ...e address of the memory window given as a hexadecimal segment address Memory window 1 must be within the range of the memory area reserved for Card Services The Card Services memory area is specified...

Page 250: ...o update the CONFIG SYS file after you have installed the PCMCIA software If you make any changes to your CONFIG SYS file keep in mind the following rules for PCMCIA software Rule 1 The Card Services...

Page 251: ...er To determine the required memory space of the PC Card refer to the manual that came with the PC Card You should allocate at least 34KB of memory to the DOS Card Services IBMDOSCS SYS The hardware i...

Page 252: ...er must be the same as or included in the memory range specified by the X parameter 5 Change this statement to DEVICE C DICRMU 1 SYS MA C8 CFFF IX 11 6 Save the changes in your CONFIG SYS file then re...

Page 253: ...AD IBMDSS 1 SYS DEVICE C THINKPAD IBMDOSCS SYS DEVICE C THINKPAD DICRMU 1 SYS MA C3 CFFF modified DEVICE C THINKPAD ICPMDOS SYS DEVICE C DOS POWER EXE DEVICE C THINKPAD AUTODRV SYS C THINKPAD AUTODRV...

Page 254: ...EXE RAM 1 24 frame D X C8 CFFF Rule 1 DEVICE C THINKPAD IBMDSS 1 SYS D Rule 2 DEVICE C THINKPAD IBMDOSCS SYS Rule 2 DEVICE C THINKPAD DICRMU 1 SYS MA C8 CFFF Rule 2 DEVICE C THINKPAD ICPMDOS SYS Rule...

Page 255: ...ices driver IBMDSS01 SYS Card Services driver IBMDOSCS SYS Resource Map Utility DICRMU01 SYS and Power Management Utility ICPMDOS SYS must be listed in this order Rule 3 The Advanced Power Management...

Page 256: ...IAOF command Type PCMCIAOF at the command prompt usually C This converts the PCMCIA DEVICE statements to comments The CONFIG SYS file will look like this DEVICE C DOS EMM386 EXE 1 24 frame D X C8 CFFF...

Page 257: ...ervices Client MENUITEM INTLNK Load InterLnk Client MENUITEM CPSW Load Code Page Switching MENUITEM PCMCIA Load IBM PCMCIA drivers MENUCOLOR 7 1 MENUDEFAULT DLS 2 COMMON DEVICE C DOS HIMEM SYS DEVICE...

Page 258: ...YSTEM INI file as follows 1 Open your CONFIG SYS file using a text editor 2 Find DEVICE drive path DICRMU 1 SYS MA mmmm mmmm 3 Note the address range of the PCMCIA device drivers mmmm mmmm then close...

Page 259: ...ith the Windows MultiMedia Extensions MME for audio for example Windows Sound Recorder and Windows Media Player that are shipped with Windows Version 3 11 In general recording audio music and speech a...

Page 260: ...e located immediately adjacent to the computer The angular displacement of the speakers to the listener s left and right is ordinarily not enough to produce a decent stereo effect But with QSound proc...

Page 261: ...setups If all channels were played at once both versions of a MIDI composition would play at the same time The Mwave Windows synthesizer usually sounds best when the Mwave EXT GM setup is selected in...

Page 262: ...rapid small changes in the pitch of a note and is usually controlled by a thumb wheel on a MIDI keyboard Vibrato depth can be varied 2 semitones It is received on control number 1 Sustain Each note o...

Page 263: ...message via a telephone facsimile machine unless such message clearly contains in a margin at the top or bottom of each transmitted page or on the first page of the transmission the date and time it...

Page 264: ...Additional Information for Telephony Function 248 IBM ThinkPad 755CX User s Guide...

Page 265: ...5 inch removable hard disk drive 3 5 inch removable diskette drive Display TFT color LCD supporting up to 65536 colors 10 4 inches when measured diagonally SVGA 800 by 600 resolution on the LCD of th...

Page 266: ...e Type III PC Card Headphone jack Microphone line in jack supports a dynamic microphone or a self battery powered condenser microphone Fax modem port in some countries available as an option Infrared...

Page 267: ...to 95 F Non operating 5 to 43 C 41 to 109 F Relative Humidity Operating1 8 to 95 Operating2 8 to 80 Maximum altitude 3048 m 10000 ft 3 Maximum temperature at 3048 m 10000 ft 31 3 C 88 F Heat output Ap...

Page 268: ...in length and a parallel blade grounding type attachment plug rated 15 amperes 125 volts For units intended to be operated at 230 volts in the U S Use a UL listed and CSA certified cord set consistin...

Page 269: ...st Indies United States of America Venezuela 25H2219 Thailand 25H2209 Austria Belgium Bulgaria Czech Republic Egypt Finland France Germany Greece Hungary Iceland Indonesia Netherlands Norway Poland Po...

Page 270: ...National Standards Institute X3 137 ISO International Standards Organization 8860 ECMA European Computer Manufacturers Association 100 2MB 3 5 inch unformatted diskette ANSI X3 171 ISO 9529 ECMA 125...

Page 271: ...warranty service under the type of service designated for the Machine and will manage and install engineering changes that apply to the Machine IBM or your reseller will specify the type of service Fo...

Page 272: ...SS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE HOWEVER SOME LAWS DO NOT ALLOW THE EXCLUSION OF IMPLIED WARRANTIES IF THESE LA...

Page 273: ...Warranties and Notices This warranty gives you specific legal rights and you may also have other rights which vary from jurisdiction to jurisdiction Appendix E Product Warranties and Notices 257...

Page 274: ...e of service designated for the Machine and will manage and install engineering changes that apply to the Machine IBM or your reseller will specify the type of service For a feature conversion or upgr...

Page 275: ...IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE HOWEVER SOME LAWS DO NOT ALLOW THE EXCLUSION OF IMPLIED WARRANTIES IF THESE LAWS AP...

Page 276: ...Warranties and Notices This warranty gives you specific legal rights and you may also have other rights which vary from jurisdiction to jurisdiction 260 IBM ThinkPad 755CX User s Guide...

Page 277: ...rector of Licensing IBM Corporation 500 Columbus Avenue Thornwood NY 10594 U S A Trademarks The following terms used in this publication are trademarks of the IBM Corporation in the United States or o...

Page 278: ...gies Ltd PRODIGY Prodigy Services Inc QSound QSound Inc Sharp Sharp Corporation Sound Blaster Creative Labs Inc UL Underwriters Laboratory Western Digital Western Digital Corporation Windows Microsoft...

Page 279: ...uthorized changes or modifications could void the user s authority to operate the equipment This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 th...

Page 280: ...ntact your Authorized Seller or the IBM Corporation for information 8 The modem may not be used on coin service provided by the telephone company Connection to party lines is subject to state tariffs...

Page 281: ...indication no more than 2 pauses of four seconds duration each should be inserted between the initial PSTN access digit and the number to be dialled This is to avoid interference to the BT network 6 I...

Page 282: ...led in the ThinkPad 755CX is approved separately and has its own independent approval number This modem supplied by IBM does not contain excessive voltages An excessive voltage is one which exceeds 42...

Page 283: ...ad 755CX voice connection application programs must be designed with the following considerations Auto Calling 1 Network addresses When using the auto calling to initiate outgoing calls to the PSTN th...

Page 284: ...0 minutes 4th repeat attempt 1 minute 2 minutes 10 minutes 5th repeat attempt End of sequence See note 1 2 minutes 10 minutes 6th repeat attempt 2 minutes 10 minutes 7th repeat attempt End of sequence...

Page 285: ...directly addressable 2 In multimedia applications a form of graphics in an area of computer memory or storage that can be displayed as an image boot To prepare a computer system for operation by loadi...

Page 286: ...ard disk During hibernation the computer is automatically turned off to save power When power is turned on again the computer immediately restores the same data and applications as when hibernation st...

Page 287: ...direction from a point or line at or near the top of the screen reboot Restart all operations of the computer as if the power were just turned on resume To begin computer operations again from suspend...

Page 288: ...272 IBM ThinkPad 755CX User s Guide...

Page 289: ...ime 20 92 preserving battery pack life 103 problems 211 replacing 95 battery pack continued storage switch 21 battery power status indicator 16 96 bidirectional parallel 43 boot diskette 79 boot selec...

Page 290: ...s 208 expansion unit attaching 172 speaker volume control using Fn key 49 external devices Dock I or II 172 external devices continued external display 165 external keyboard 163 external numeric keypa...

Page 291: ...stems 176 option cover 153 PC Card 134 intermittent problems 220 internal devices in diskette drive compartment 150 securing 130 interrupt level IRQ 227 IR infrared communication 72 IRQ 227 K Kensingt...

Page 292: ...ric lock indicator 17 O online book 29 operating systems installing DOS 176 OS 2 176 Windows 177 option cover option cover continued installing 153 location and function 15 removing 150 options DIMM 1...

Page 293: ...updating CONFIG SYS file 238 using 61 PC Card Director PC Card Director continued installing for DOS 186 installing for OS 2 185 installing for Windows 187 using 62 PCMCIA card See PC Card PCMCIA devi...

Page 294: ...password 121 repair services getting service 223 HelpClub 224 identification numbers 222 resource map utility 229 restart menu Easy Setup 46 resume function 50 RPL remote program load 47 S safe suspen...

Page 295: ...setting 165 system bus machine specifications 249 system expansion connector 5 location and function 15 system status indicators 16 battery charging status 16 battery power status 16 caps lock 17 disk...

Page 296: ...er Video Features Diskette 3 virtual screen 38 volume control location and function 13 W warranties and notices product 255 weight machine specifications 251 Windows Version 3 11 or later installing 1...

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