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Diagnosing and recovering from problems

8-1

Chapter 8. Diagnosing and recovering from
problems

This chapter can help you if your computer stops operating or displays error
messages. It covers the following major topics:

• “Before you panic: some simple fixes” on page 8-2

This section lists some common problems that you might encounter while
operating your computer.

• “Quick problem solving chart” on page 8-6

This flow chart will help you diagnose system problems that you may have with
your computer.

• “Solving hardware and software problems” on page 8-7

The tables in this section list some common hardware and software problems.
It includes corrective actions for each problem.

• “Error codes and messages” on page 8-17

This section lists the BIOS error codes and messages and their respective
corrective actions.

• “IBM Diagnostic Programs” on page 8-20

This section tells you how to recover your computer if your computer is
damaged.

Содержание NetVista 6266

Страница 1: ...Personal Computer Types 6266 6270 and 6276 User Guide...

Страница 2: ...hnical inaccuracies or typographical errors Changes are periodically made to the information herein these changes will be made in later editions IBM may make improvements and or changes in the product...

Страница 3: ...formance from your monitor 2 2 Power saver feature 2 3 Changing display settings 2 3 Controlling volume 2 6 Adjusting the speaker volume 2 6 Adjusting the headphone volume 2 7 Setting up communication...

Страница 4: ...tem Security 4 15 Remote Administration 4 16 Power on Password 4 16 Administrator Password 4 16 Adapter ROM Password 4 16 Using other configuration utilities 4 17 Preparing to upgrade 5 1 Evaluating y...

Страница 5: ...70 and 6276 6 13 Removing the hard disk drive for type 6266 6 14 Removing the hard disk drive for type 6270 and 6276 6 15 Updating the CMOS settings in Setup 6 16 For adapter cards 6 16 For Drives 6 1...

Страница 6: ...ignments A 6 Serial port addresses A 7 Connector functions A 8 Appendix B Modem information B 1 Modem features B 1 Operating your modem B 3 Using the Auto Answer feature B 3 Disabling Call Waiting B 4...

Страница 7: ...of operation in conjunction with other products except those expressly designated by IBM are the user s responsibility IBM may have patents or pending patent applications covering subject matter in t...

Страница 8: ...our computer only to an electrical outlet of the correct voltage If you are unsure about the voltage of the electrical outlet you are using contact your local power company If your computer has cables...

Страница 9: ...s of the cables to properly wired commu nication outlets 4 Attach the power cords to the computer and any external devices such as a monitor or printer and then connect the other ends of the power cor...

Страница 10: ...ollow basic safety precautions such as Never install telephone wiring during a lightning storm Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations...

Страница 11: ...in your computer if included with the model you purchased The CD ROM DVD ROM drive is a Class 1 laser product and Class 1 laser products are not considered to be hazardous The design of the laser syst...

Страница 12: ...l Electrotechnical Commission IEC 825 and CENELEC EN 60 825 for Class 1 laser products When a CD ROM DVD ROM drive is installed note the following Removing the covers of the CD ROM DVD ROM drive could...

Страница 13: ...teur que sur un socle de prise de courant pr sentant la tension ad quate Ne branchez le cordon d alimentation sur le socle de prise de courant qu apr s avoir connect tout autre cordon la machine Inver...

Страница 14: ...ur votre s curit et celle de votre mat riel suivez les instructions de la section Disconnecting your computer on page x avant d ouvrir l unit centrale le cas ch ant Branchement de l ordinateur Pour br...

Страница 15: ...niques ne doivent pas tre install es dan des endroits humides except si le mod le a t con u cet effet Attention Votre ordinateur est quip de piles au lithium Prenez garde aux risques d incendie d expl...

Страница 16: ...se au rebut des piles au lithium reportez vous la r glementation en vigueur Consignes de s curit pour l unit de CD ROM et de DVD ROM La pr sente consigne contient les informations de s curit relatives...

Страница 17: ...e tre un produit laser de classe 1 conforme aux normes CDI 825 et CENELEC EN 60 825 Lorsqu une unit de CD ROM est install e tenez compte des remarques suivantes Attention Pour viter tout risque d exp...

Страница 18: ...xviii IBM Personal Computer User Guide...

Страница 19: ...use those features For more information see the About your software that comes with your computer About this book This book contains the following chapters Chapter 1 About this book on page 1 1 This...

Страница 20: ...g and recovering from problems on page 8 1 This chapter provides troubleshooting information including error code and message interpretations It also includes information to help you recover factory i...

Страница 21: ...ia the WWW See your Quick Reference for more about accessing IBM information on the WWW Your computer comes with different types of online documentation The software that came preinstalled on your com...

Страница 22: ...1 4 IBM Personal Computer User Guide...

Страница 23: ...to help you make adjustments and connections to your computer Controlling monitor settings on page 2 2 Controlling volume on page 2 6 Setting up communications on page 2 9 Configuring your computer fo...

Страница 24: ...es to get the best performance from your monitor Place your monitor away from sources of magnetic interference such as other monitors unshielded speakers and electric power lines If your computer came...

Страница 25: ...esh rate determines how quickly the screen image is drawn on the screen This setting can be changed If you purchased a monitor that does not support DDC you may want to change your monitor s refresh r...

Страница 26: ...numbers the more you can see on your screen but the smaller the images on the screen appear The values you can choose for screen area resolution and colors will be limited by Your monitor s maximum ho...

Страница 27: ...80 pixels and set the Palette to 16 colors to prevent the image from scrolling blinking or flashing Read Is anything displayed on the monitor on page 8 4 in the chapter Diagnosing and recovering from...

Страница 28: ...g to sound through the speakers or the headphones Adjusting the speaker volume The volume of the speakers is controlled by a software volume control program provided with your computer You can access...

Страница 29: ...io CD in the CD ROM drive The headphones will not pick up other sounds generated from your computer or any external device connected to the computer such as a MIDI Musical Instrument Digital Interface...

Страница 30: ...k of the system unit the headphones will pick up all sounds generated from your computer and any external devices connected to the computer such as a MIDI musical keyboard The headphones will also pic...

Страница 31: ...to the telephone network Modems are designed to operate over the public switched telephone network PSTN or PSN This is an analog network commonly used by most households Connect the modem to an analo...

Страница 32: ...must clear the telephone line and restart the communication If you were sending a fax you must resent the fax If you were dialed into a network communicating with other computers you must redial Confi...

Страница 33: ...ting system that comes with your computer The Microsoft Network You can also use a Windows program to configure a dial up connection to The Microsoft Network Follow these steps if you want to become a...

Страница 34: ...et address in your browser Some of the Rapid Access buttons are preset to support important functions on your computer Mute Volume and CD DVD controls these cannot be changed There are 104 keybuttons...

Страница 35: ...ting power management through the BIOS Your computer supports the following power management features ACPI BIOS Mode Your operating system is allowed to control the power management features of your c...

Страница 36: ...on page 4 2 2 Set Power Management from the Configuration Setup Utility menu 3 Set ACPI BIOS Mode to Enabled or Disabled using the Right or Left arrow key 4 Press Esc to return to the Configuration Se...

Страница 37: ...om the Configuration Setup Utility menu 3 Select APM 4 Set APM BIOS Mode to Enabled 5 Select values for Power Management time to low power system power processor speed etc as necessary 6 Set IDE Drive...

Страница 38: ...on Setup Utility see Configuration Setup Utility overview on page 4 2 2 Select Power Management from the Configuration Setup Utility menu 3 Select Automatic Power On 4 Select values for Automatic Powe...

Страница 39: ...For example if you add or replace hardware inside your system unit you might need to verify or update specific settings For information about working with your system unit s hardware see Preparing to...

Страница 40: ...rmation in Setup If you add or remove hardware an online message may ask you to check Setup to verify that automatic detection made the correct configuration changes You can use the Setup menus to vie...

Страница 41: ...IDE drives Select and configure I O devices such as serial parallel USB and video devices Enable disable or configure the power management modes Customize startup options Set date and time Create or c...

Страница 42: ...d display 3 When you see the IBM logo and the line message Press F1 to enter Setup press F1 to enter Setup and display the Configuration Setup Utility menu If you have previously set a power on passwo...

Страница 43: ...ions a menu for that option appears An option usually has only one menu although some can have more than one In options with multiple menus use the PgDn and PgUp keys to move from one menu to another...

Страница 44: ...figuration Setup Utility menu Like in the System Information menu the items displayed are not configurable Keys Function Use these arrow keys to highlight an option in a menu Press the Enter key to ch...

Страница 45: ...called factory or default settings are stored in the CMOS Setup includes an option Load Default Settings that lets you reload the original configuration at any time If you have made changes in Setup...

Страница 46: ...hanges press Esc to return to the Configuration Setup Utility menu From this location you can exit Setup and save your changes or exit without saving your changes To exit Setup without saving the chan...

Страница 47: ...ber to be used by the serial port Parallel Port Setup Use these settings to define the I O port address and interrupt request number to be used by the parallel port These settings also control the par...

Страница 48: ...E hard disk and CD ROM drives in High Performance Mode Video Setup Select this menu item to configure the video settings Select Active Video Select the active video mode when the computer is started I...

Страница 49: ...automatic power on function Error Startup Sequence Select Disabled if you want to automatically start Setup when a POST error occurs Select another option if you want the system to bypass Setup and u...

Страница 50: ...de The computer will startup and run without a keyboard if you select enabled Power On Self Test This setting allows you to set the level of power on self test Quick or Enhanced that will be done duri...

Страница 51: ...mproves when Video BIOS Shadow is enabled PCI Control Select enabled if you want your computer to have a PCI parity check of data across the PCI bus Plug and Play Control Use the option to configure s...

Страница 52: ...ers and legacy devices that are not Plug and Play adapters Power Management Setup The Power Management Setup allows you to configure your system to use the most effective method of saving energy while...

Страница 53: ...r button is pressed for four seconds System Security Use this setting to configure the system security settings for your computer Security Profile by Device This setting enables you to control which d...

Страница 54: ...et change or delete a power on password Administrator Password This option allows you to set change or delete an administrator password Adapter ROM Password If Yes the keyboard will be locked during a...

Страница 55: ...most of your factory installed hardware If you install new hardware however you might need to use other configuration utilities When you purchase new hardware to install in your computer a configurati...

Страница 56: ...4 18 IBM Personal Computer User Guide...

Страница 57: ...nce the type of hardware you plan to add or replace determines whether you begin with your computer turned on or off As you prepare to add or replace hardware in your system unit follow the instructio...

Страница 58: ...empt to use a system resource that is already assigned If you install a PCI adapter card the system BIOS automatically detects it assigns an available system resource to it and configures your compute...

Страница 59: ...tion Evaluating your new hardware on page 5 2 before you proceed Recording your changes When you add or replace hardware you should record the changes you make The information you need to record as yo...

Страница 60: ...ve steps proceed to the next section on how to use the Windows Device Manager to assign system resources to your hardware devices Using the Windows Device Manager Use the Windows Device Manager to ver...

Страница 61: ...t cover 1 If your computer is on or in any of the power saving modes shut down the computer 2 Turn off the computer and any attached devices that have their own power switches 3 Unplug all power cable...

Страница 62: ...he system unit 2 Hold both sides of the system unit top cover and push it forward about 0 25 inch Lift the top cover up to remove it completely 3 Touch the bare metal frame of your system unit to diss...

Страница 63: ...er 1 Remove the three screws that secure the top cover at the back of the system unit 2 Hold both sides of the system unit cover and push it backward about 25 mm 1 in Lift the top cover up to remove i...

Страница 64: ...ch the bare metal frame of your system unit to dissipate the static electricity from your body Do not touch any of the components inside the frame before you touch the frame Do not touch any of the co...

Страница 65: ...e drives use the standard diskette Advanced Technology AT interface Hard disks use an Integrated Drive Electronics IDE AT interface Your computer supports the American National Standards Institute ANS...

Страница 66: ...profile PCI cards will fit System board The system board is secured by screws on the inner base of the chassis Bay 3 This drive can accommodate a 5 25 inch half high drive such as a hard disk tape or...

Страница 67: ...ette drives use the standard diskette Advanced Technology AT interface Hard disks use an Integrated Drive Electronics IDE AT interface Your computer supports the American National Standards Institute...

Страница 68: ...tall a 3 5 inch to 5 25 inch installation kit Bay 3 This drive bay can accommodate a 3 5 inch slim IDE hard disk In many models this bay holds a factory installed hard disk drive Switching power suppl...

Страница 69: ...em resource conflicts Your new hardware might attempt to use a resource that is already assigned to other hardware Planning your hardware changes on page 5 3 This section contains important informatio...

Страница 70: ...r is equipped with a modem follow these steps to view the interrupt request resources or change the I O addresses and memory range for the installed modem card 1 Right click on the My Computer icon an...

Страница 71: ...drive before you install or replace the adapter card If you also plan to make hardware changes on the system board see Chapter 7 and finish your work with the system board before continuing to work w...

Страница 72: ...ctor 2 Secure the card with the screw to the system chasis 3 If your card has cables connect the cable or cables from the adapter card to the correct connection on the system board or CD ROM drive 4 R...

Страница 73: ...he card with the screw to the system chasis 3 If your card has cables connect the cable or cables from the adapter card to the correct connection on the system board or CD ROM drive 4 Reinstall all ha...

Страница 74: ...lustration to identify the signal cable connectors on your system board When attaching a drive signal cable to any of these connectors take note of the pin 1 indicator usually marked by coloured strip...

Страница 75: ...llow these guidelines 1 Set the new drive as the slave device See the instructions that were provided with the new drive 2 Install the new drive and connect the new drive to the spare connector on the...

Страница 76: ...kette drive connector with a diskette drive signal cable that has two connectors Remember to reconnect the factory installed drive to the new cable 2 Do not change any settings on the factory installe...

Страница 77: ...wer and signal cables from the rear of the diskette drive 2 Pull up the latch that secures the drive mounting tray 3 Slide the drive mounting tray toward from the front of the computer and remove it 4...

Страница 78: ...for type 6270 and 6276 If you want to replace the diskette drive you must follow these steps 1 On the back of the system remove the screw that secures the power supply 2 Pull the latch on the drive m...

Страница 79: ...l cables from the back of the diskette drive 4 Remove the two screws that hold the diskette drive to the mounting tray 5 Open the door on the front of the computer 6 Pull the diskette drive toward the...

Страница 80: ...und and signal cables from the CD ROM 2 Pull up the latch that secures the CD ROM drive mounting tray 3 Slide the CD ROM drive mounting tray to the front of the computer and remove the tray 4 To remov...

Страница 81: ...To replace the CD ROM 1 Disconnect the power sound and signal cables from the CD ROM 2 Remove the screws that secure the CD ROM drive 3 Open the door on the front of the computer 4 Slide the CD ROM dr...

Страница 82: ...Make sure to disconnect the power cord and signal cables from the hard disk drive and the diskette drive 3 Remove the screw that secures the mounting tray holding the hard disk drive 4 Push the mounti...

Страница 83: ...ette drive 2 Lay the computer on the side to access the screws on the bottom Remove the two screws that secure the mounting tray at the bottom of the system unit 3 Pull the drive mounting tray upward...

Страница 84: ...ugh rare there are some unique circumstances when you must use Setup to resolve a conflict See BIOS Setup configuration on page 4 1 for details For Drives When you install a diskette drive you should...

Страница 85: ...board exposed you can work with the connectors system memory modules and the system battery Once you have completed your hardware changes and put the cover back on your system unit you might need to e...

Страница 86: ...d 6276 If you plan to add or replace hardware in your computer you need to know the layout of the system board This figure shows an example of the system board of the type 6266 6270 and 6276 in your c...

Страница 87: ...us DRAM SDRAM The maximum system memory is 256MB 64 megabit technology or 512MB 128 megabit technology SDRAM Floppy Disk connector Hard Disk Connector IDE1 IDE2 Battery Case connector JFP2 Power Switc...

Страница 88: ...When you install an adapter card you may have to set switches or move jumpers to make the card work properly Plug and Play cards normally require no changes but other cards might Refer to the documen...

Страница 89: ...e Memory module placement on page A 1 Installing memory modules To install a DIMM 1 Locate the memory retaining clips at both ends of the socket Pivot the memory retaining clips outward 2 Locate the t...

Страница 90: ...mory modules To remove a DIMM pivot the retaining clips on both sides of the socket outward to release the DIMM Verifying the system memory To view the system memory settings in Setup select System Su...

Страница 91: ...rt a new 3V lithium battery CR2032 into the bracket and press it down until the securing clip clicks and locks the battery in if you replace the system battery you need to reset the system date and ti...

Страница 92: ...d save the change 5 Use the left arrow key to select Yes then press Enter to save the settings in CMOS You can also change the time and date from the Windows desktop 1 Double click on the My Computer...

Страница 93: ...ic Input Output System BIOS detects the hardware changes and updates the CMOS settings automatically However if you replace or remove components you might receive a message that asks you to verify if...

Страница 94: ...7 10 IBM Personal Computer User Guide...

Страница 95: ...er Quick problem solving chart on page 8 6 This flow chart will help you diagnose system problems that you may have with your computer Solving hardware and software problems on page 8 7 The tables in...

Страница 96: ...on b Make sure your system unit and monitor cables are correctly and securely connected Make sure the system unit and monitor power cords are plugged into electrical outlets c Make sure the electrical...

Страница 97: ...m with the dynamic random access memory DRAM If you just added hardware and the computer will not start you might have a hardware problem Remove the new hardware and restart the computer to see if the...

Страница 98: ...ows appear on the screen during startup press F8 This opens the Microsoft Windows Startup Menu c Select Choice 3 for Safe Mode and press Enter This starts your computer using the factory configuration...

Страница 99: ...es are correctly and securely connected to the ports on the back of the system unit The keyboard port has this symbol next to it The mouse port has this symbol next to it b Turn the system unit off an...

Страница 100: ...dware and software problem s on page 8 7 If this does not fix the problem see the S upport Inform ation section Yes No Did the com puter pass the test Yes No From Windows run the PC Dr for Windows pro...

Страница 101: ...If an error code or message appears refer to the section Error codes and messages on page 8 17 Computer turns off without warning 1 If mouse movement wakes the monitor your monitor was in standby 2 I...

Страница 102: ...or CD is damaged If you can t read the information on the good diskette or CD there may be a problem with your diskette or CD ROM drive 5 Make sure the drive power and signal cables are securely attac...

Страница 103: ...sure the diskette is not write protected 2 Make sure you are using the correct type of diskette 3 Make sure the drive power and signal cables are securely attached to the back of the drive For instru...

Страница 104: ...ect the mouse cable from the system unit c Turn the mouse upside down Unlock the retainer on the bottom of the mouse by turning it counterclockwise Now turn the mouse right side up and the retainer an...

Страница 105: ...a configuration problem For additional help see the user s guide for your communications software 7 Make sure the modem adapter card is installed correctly For instructions on installing adapter cards...

Страница 106: ...printer is ready 5 Make sure the correct printer driver is selected in the software if required 6 Make sure the paper and the cartridge containing the print material ink ribbon or toner are loaded co...

Страница 107: ...ontact the software manufacturer Computer doesn t go into standby or automatically power off when the set time has elapsed 1 Make sure you don t touch the mouse or keyboard and don t start a program t...

Страница 108: ...ou press the power button See About your software that comes with your computer When the parameter Power Button Override 4 sec under the Setup Power Management menu and the system does not turn off wh...

Страница 109: ...COM and IRQ settings same COM port and IRQ line as the modem Your communications software will not be able to send and receive data if it does not have the correct COM and IRQ settings of the modem 3...

Страница 110: ...e system may be waiting to receive your data before it begins 3 Make sure the correct terminal emulation mode is used in the software Refer to the information that came with the software You are not a...

Страница 111: ...are defined correctly in BIOS Setup 2 Load default settings in setup 3 Replace the CMOS battery 164 Memory size error 1 Determine if memory has been added or removed since the last boot 201 Memory tes...

Страница 112: ...eck the Diskette Drive 1780 Primary master hard disk fail 1 Load the default settings in Setup 2 Check the IDE drive jumper 3 Check the power to the IDE drive 4 Check the IDE cable connection 5 Check...

Страница 113: ...oblems 8 19 8602 PS 2 Mouse error OR no PS 2 mouse present 1 Determine if the mouse is connected properly and is defined correctly in BIOS Setup Table 4 Error codes and messages Continued Error codes...

Страница 114: ...recovery program see Quick Reference for overview of the recovery program if you want or need to know how that will work Starting PC Doctor for Windows To start PC Doctor for Windows do the following...

Страница 115: ...d DIMM1 Bank 0 and DIMM Bank 1 Refer to the section Identifying system board parts type 6266 6270 and 6276 on page 7 2 for the location of the DIMM sockets Table 1 Memory module placement DIMM Bank 0...

Страница 116: ...640 KB 000000 09FFFF Main memory 640 768 KB 0A0000 0BFFFF VGA memory 768 816 KB 0C0000 CBFFFF Video BIOS Memory 816 896 KB 0CC000 0DFFFF ISA Card BIOS Buffer Memory 896 960 KB 0E0000 0EFFFF BIOS Exten...

Страница 117: ...adecimal Function 000 00F DMA controller 1 020 021 Interrupt controller 1 040 043 System timer 060 060 Keyboard controller 8742 061 061 System Speaker 070 071 CMOS RAM Address and Real Time Clock 081...

Страница 118: ...F7 3F7 Primary EIDE 3F8 3FF Serial Asynchronous Port 1 0CF8 Configuration Address Register 0CFC Configuration Data Register 778 77A Parallel Printer Port 1 Table 3 System input output addresses Contin...

Страница 119: ...u to set IRQs In some cases the device listed uses the IRQ Table 4 System interrupts Interrupt request IRQ Function 0 Timer 1 Keyboard 2 Programmable Interrupt Controller 3 Serial Port Communications...

Страница 120: ...Access DMA DMA allows I O devices to transfer data directly to and from memory You may need to select an available DMA channel if you add an I O device that uses DMA Table 5 DMA channel assignments DM...

Страница 121: ...n serial port supports the following addresses and interrupts Conflicts may arise if you add adapter cards with serial ports or if you change the address settings on your modem if you are using an ope...

Страница 122: ...or Function BATT Battery socket FDD1 Floppy connector CPUFAN CPU FAN PCI Slot1 First PCI adapter card connector PCI Slot2 Second PCI adapter card connector PCI Slot3 Third PCI adapter card connector J...

Страница 123: ...hone to the modem if it has two RJ11C jacks The system firmware is already configured to load the modem drivers and software once you have made the connections If your computer does not have a modem b...

Страница 124: ...V 34 33600 bps V 32bis 14400 bps V 32 9600 bps V 22bis 2400 bps V 22 1200 bps Bell 212A 1200 bps V 23 1200 75 bps V 21 300 bps Bell 103 300 bps V 17 14400 bps FAX V 29 9600 bps FAX V 27ter 4800 bps F...

Страница 125: ...Answer feature If you use a modem communications software program it may require your modem to be set for Auto Answer The Auto Answer feature lets your computer answer calls from another computer aut...

Страница 126: ...d you type on your computer For example in some areas the following dialing sequence disables Call Waiting or 70 complete telephone number The dialing sequence you type on your computer may look like...

Страница 127: ...ram The modem is designed to operate at common DTE speeds ranging from 300 bps to 115 2K bps All commands and data must be issued to the modem using one of the valid DTE speeds Command format All comm...

Страница 128: ...D and L last number redial P pulse dial T tone dial W wait for second dial tone V switch to speakerphone mode pause wait for five seconds of silence flash return to command mode after dialing E0 Comm...

Страница 129: ...er always off M1 Speaker on until carrier detected M2 Speaker always on O0 Return to data mode O1 Initiate an equalizer retrain and return to data mode P Pulse dial Q0 Result codes enabled Q1 Result c...

Страница 130: ...inued Command Function X1 Same as X0 plus all CONNECT responses blind dialing X2 Same as X1 plus dial tone detection X3 Same as X1 plus busy signal detection blind dialing X4 All responses and dial to...

Страница 131: ...V 21 300 bps V22 for V 22 1200 bps V22B for V 22bis 1200 2400 bps V23C for V 23 V32 for V 32 4800 9600 bps V32B for V 32bis 7200 12000 14400 bps V34 for V 34 2400 33600 bps K56 for K56flex 28000 5600...

Страница 132: ...s on C1 Turn on CD when remote carrier is present D0 DTR signal ignored D1 Modem returns to Command Mode after DTR toggle D2 Modem hangs up and returns to the command mode after DTR toggle F Load fact...

Страница 133: ...FC 1 1 Enable XON OFF software flow control DS 0 0 2048 32 Data compression disable DS 3 0 2048 32 V 42bis MNP5 data compression enabled ES 0 0 1 Normal mode speed buffering only ES 4 4 6 MNP mode onl...

Страница 134: ...bits per second bps 2 Ring Ringing signal detected 3 No carrier Carrier is lost or not heard 4 Error Error in the command line Invalid command Command line exceeds buffer Invalid character format 6 N...

Страница 135: ...umstances may require you to change some defaults To change or read the value of an S register begin the command with the letters AT To read the value of an S register Use the ATSU command U register...

Страница 136: ...3 Carriage return character 0 127 ASCII 13 S4 Line feed character 0 127 ASCII 10 S5 Backspace character 0 32 ASCII 8 S6 Dial tone wait time 2 255 seconds 2 S7 Remote carrier wait time 1 255 seconds 50...

Страница 137: ...is drawn interlaced Method of producing an image by drawing only alternating lines until the entire image is completed noninterlaced Method of producing an image by drawing each line one after the oth...

Страница 138: ...C 2 IBM Personal Computer User Guide...

Страница 139: ...connectors 6 8 hardware changes 5 1 5 3 recording 5 3 hardware problems 8 7 audio CD does not play when in serted 8 8 can t enter password 8 8 can t format diskette 8 9 can t write to diskette 8 9 co...

Страница 140: ...R recording 5 3 S safety information grounding your computer xii protecting against electrical shock xii serial port addresses A 8 Setup default settings loading 4 7 entering 4 4 exiting 4 8 main men...

Страница 141: ...I 3 V volume controlling 2 6 W Windows Device Manager 5 4...

Страница 142: ...I 4...

Страница 143: ......

Страница 144: ...Part Number 06P8708...

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