Lenovo 6491 manual

Us er Gu i d e T ypes 6491, 8013, 8702, 8706 T ypes 8716, 8970, 8972, 8976 T ypes 8980, 8982, 8986, 8992 T ypes 8994, 9266, 9276, 9278 T ypes 9282, 9286, 9288, 9374 T ypes 9378, 9380, 9384, 9628 T ypes 9632, 9647, 9649, 9695[...]

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Us er Gu i d e[...]

Note Before using this information and the pr oduct it supports, be sure to read the “Important safety information” on page v and Appendix B, “Notices,” on page 73. Fourth Edition (February 2007) © Copyright Lenovo 2006, 2007. Portions © Copyright International Business Machines Corporation 2005. All rights reserved. U.S. GOVERNMENT USERS[...]

Contents Important safety information . . . . . .v Conditions that requir e immediate action . . . . .v General safety guidelines . . . . . . . . . .v i Service and upgrades . . . . . . . . . .v i Static electricity prevention . . . . . . . . vii Power cords and power adapters . . . . . . vii V oltage-selection switch . . . . . . . . . viii Extensi[...]

Basic troubleshooting . . . . . . . . . . .5 5 Diagnostic programs . . . . . . . . . . .5 6 PC-Doctor for W indows . . . . . . . . .5 7 PC-Doctor for DOS . . . . . . . . . . .5 7 PC-Doctor for W indows PE . . . . . . . .5 9 Cleaning the mouse . . . . . . . . . . .5 9 Optical mouse . . . . . . . . . . . .5 9 Non-optical mouse . . . . . . . . . . .5 [...]

Important safety information Note Please read important safety information first. This information can help you safely use your desktop or notebook personal computer . Follow and r etain all information included with your computer . The information in this document does not alter the terms of your purchase agr eement or the Lenovo ™ Limited W arr[...]

In the unlikely event that you notice any of the following conditions, or if you have any safety concerns with your product, stop using the product and unplug it from the power source and telecommunication lines until you can speak to the Customer Support Center for further guidance. See Chapter 8, “Getting information, help, and service,” on p[...]

Danger Hazardous moving parts. Keep fingers and other body parts away . Attention Before replacing any CRUs, turn off the computer and wait three to five minutes to let the computer cool before opening the cover . Static electricity prevention Static electricity , although harmless to you, can seriously damage computer components and options. Impro[...]

The power cords shall be safety appr oved. For Germany , it shall be H05VV -F , 3G, 0.75 mm 2 , or better . For other countries, the suitable types shall be used accordingly . Never wrap a power cord ar ound a power adapter or other object. Doing so can stress the cor d in ways that can cause the cord to fray , crack, or crimp. This can present a s[...]

Extension cords and related devices Ensure that extension cor ds, surge pr otectors, uninterruptible power supplies, and power strips that you use are rated to handle the electrical r equirements of the product. Never overload these devices. If power strips ar e used, the load should not exceed the power strip input rating. Consult an electrician f[...]

Never attempt to open or service any battery . Do not crush, puncture, or incinerate batteries or short circuit the metal contacts. Do not expose the battery to water or other liquids. Only rechar ge the battery pack strictly according to instructions included in the product documentation. Battery abuse or mishandling can cause the battery to overh[...]

v Do not use non-desktop air filtration devices. Operating environment The optimal environment in which to use your computer is 10°C-35°C (50°F-95°F) with humidity ranging between 35% and 80%. If your computer is stored or transported in temperatures less than 10°C (50°F), allow the cold computer to rise slowly to an optimal operating tempera[...]

To connect: 1. T urn everything OFF . 2. First, attach all cables to devices. 3. Attach signal cables to connectors. 4. Attach power cords to outlet. 5. T urn device ON. To disconnect: 1. T urn everything OFF . 2. First, remove power cords from outlet. 3. Remove signal cables from connectors. 4. Remove all cables from devices. Lithium battery notic[...]

Laser compliance statement Some personal computer models are equipped fr om the factory with a CD or DVD drive. CD and DVD drives are also sold separately as options. CD and DVD drives are laser pr oducts. These drives are certified in the U.S. to conform to the requir ements of the Department of Health and Human Services 21 Code of Federal Regulat[...]

Note to CA TV system installer This reminder is pr ovided to call the CA TV system installer's attention to Article 820-40 of the National Electrical Code (NEC) that provides guidelines for pr oper grounding and, in particular , specifies that the cable ground shall be connected to the grounding system of the building, as close as possible to [...]

The following notice applies to all countries and regions: Danger Outdoor antenna grounding If an outside antenna or cable system is connected to the equipment, be sure the antenna or cable system is grounded as to provide some protection against voltage surges and built-up static charges. Lightning For added protection for this equipment during a [...]

complies with EN 50332-2 Sub clause 5.1. This specification limits the computer ’s maximum wide band true RMS output voltage to 150mV . To help pr otect against hearing loss, ensure that the headphones or earphones you use also comply with EN 50332-2 (Sub clause 6.1) for a wide band characteristic voltage of 75mV . Using headphones that do not co[...]

Introduction This User Guide contains the following information: v Chapter 1, “Arranging your workspace,” on page 1 pr ovides information about setting up your computer for comfort and the impact of light sources, air circulation, and electrical outlets. v Chapter 2, “Setting up your computer,” on page 3 pr ovides information about setting [...]

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Chapter 1. Arranging your workspace To get the most from your computer , arrange both the equipment you use and your work area to suit your needs and the kind of work you do. Y our comfort is of foremost importance, but light sour ces, air circulation, and the location of electrical outlets also can affect the way you arrange your workspace. Comfor[...]

Where it is impossible to avoid r eflections or to adjust the lighting, an antiglare filter placed over the screen might be helpful. However , these filters might affect the clarity of the image on the screen; try them only after you have exhausted other methods of reducing glar e. Dust buildup compounds problems associated with glar e. Remember to[...]

Chapter 2. Setting up your computer Before you begin, make sur e you set up your computer in the best possible work area that suits your needs and the kind of work you do. For mor e information, refer to Chapter 1, “Arranging your workspace,” on page 1. Note: Read “Important safety information” on page v before you set up your computer . Th[...]

4. Car efully , position the computer with the air vents facing upward so that the computer sits on the vertical stand as shown. Connecting your computer Use the following information when connecting your computer . Look for the small connector icons on the back of your computer . Important Setting the voltage-selection switch incorrectly can cause[...]

1. Some models ar e equipped with a voltage-selection switch located near the power-cor d connection point on the computer . If your computer has a voltage-selection switch, ensure that you set the voltage-selection switch to match the voltage available at your electrical outlet. If necessary , use a ballpoint pen to slide the switch to a differ en[...]

3. Y our mouse cable might have a standard mouse connector 1 or a USB connector 2 . Connect the mouse cable to the appropriate mouse connector . 4. Connect the monitor cable to the monitor connector on the computer . v If you have a V ideo Graphics Array (VGA) Standard monitor , connect the cable to the connector as shown. Note: If your[...]

v If you have a digital video interface (DVI) monitor , connect the cable to the connector as shown. Note: Y our computer must have an adapter installed that supports the DVI monitor . 5. If you have a modem, connect the modem using the following information. L IN E PHONE P H O N E LINE PHONE LINE PHONE LINE 1 This illustration shows the two [...]

6. If you have audio devices, attach them using the following instructions. For more information about speakers, see steps 7 and 8. 1 Audio line-in This connector receives audio signals fr om an external audio device, such as a stereo system. 2 Audio line-out This connector sends audio signals from the computer to external devices, such[...]

b. Connect the speakers to the computer . 9. Connect any additional devices that you have. Y our computer might not have all connectors that are shown. 1394 1394 1 USB Use this connector to attach a device that requir es a USB connection, such as a keyboard, mouse, scanner , printer , or personal digital assistant (PDA). 2 Serial Use th[...]

Note: Refer to the Access Help online help system for more information about connectors. See “Access Help” on page 62 for instructions on how to open the online help system. T urning on power T urn on the monitor and other external devices first, and then turn on the computer . When the power -on self-test (POST) is finished, the logo window cl[...]

v Recor d your computer machine type, model, and serial number . If you need service or technical support, you will probably be asked for this information. For further information, see the safety and warranty information that is provided with your computer . Updating your operating system Microsoft makes updates available for various operating syst[...]

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Chapter 3. Installing options This chapter provides an intr oduction to the features and options that ar e available for your computer . Yo u can expand the capabilities of your computer by adding memory , adapters, or drives. When installing an option, use these instructions along with the instructions that come with the option. Important Before y[...]

Microprocessor v AMD Athlon ™ 64 v AMD Sempr on ™ v Intel ® Pentium ® 4 processor with HyperThr eading T echnology v Intel Pentium D pr ocessor v Intel Celer on ® D processor v Internal cache (size varies by model type) Memory v Support for two double data rate 2 (DDR2) dual inline memory modules (DIMMs) v 4 Mb flash memory for system pr ogr[...]

v Six USB connectors (two on fr ont panel and four on rear panel) v Standar d mouse connector v Standar d keyboard connector v Ethernet connector v VGA monitor connector v Thr ee audio connectors (line in, line out, and microphone) on r ear panel v Tw o audio connectors (microphone and headphone) on fr ont panel Expansion v Thr ee drive bays v Tw o[...]

Operating systems, certified or tested for compatibility 1 (varies by model) Linux ® A vailable options The following are some available options: v External options – Parallel port devices, such as printers and external drives – Serial port devices, such as external modems and digital cameras – Audio devices, such as external speakers for th[...]

Specifications This section lists the physical specifications for your computer . Dimensions W idth: 325 mm (12.8 in.) Height: 107 mm (4.21 in.) Depth: 410 mm (16.14 in.) W eight Minimum configuration as shipped: 8.2 kg (18 lbs) Maximum configuration: 10.4 kg (23 lbs) Environment Air temperature: Operating at 0 - 3000 ft (914.4 m): 10° to 35°C (5[...]

Supported operating positions Attention: Do not block the air vents on the top of the computer with any type of objects such as a monitor . To provide pr oper air flow to internal components, you must position your computer in one of the positions as illustrated below . T ools required To install some options in your computer , you might need a fla[...]

v When you install a new option, touch the static-pr otective package containing the option to a metal expansion-slot cover or other unpainted metal surface on the computer for at least two seconds. This reduces static electricity in the package and your body . v When possible, r emove the option and install it directly in the computer without sett[...]

Locating connectors on the rear of your computer The following illustration shows the locations of connectors on the rear of your computer . 1 Standard mouse connector 9 PCI Expr ess 1x adapter or PCI Express x16 graphics adapter connector (some models) 2 Parallel connector 10 Audio line out connector 3 Ethernet connec[...]

Connector Description Mouse connector Used to attach a mouse, trackball, or other pointing device that uses a standard mouse connector . Parallel connector Used to attach a parallel printer , parallel scanner , or other devices that use a 25-pin parallel connector . Ethernet connector Used to attach an Ethernet cable for a local area network (LAN).[...]

Removing the cover Important Read “Important safety information” on page v and “Handling static-sensitive devices” on page 18 before r emoving the computer cover . To remove the computer cover: 1. Remove any media (diskettes, CDs, or tapes) fr om the drives, shut down your operating system, and turn off all attached devices. 2. Unplug all p[...]

Locating components The following illustration will help you locate the various components in your computer . 1 Optical drive 5 Power supply 2 Diskette drive 6 PCI adapter connector 3 Memory modules 7 PCI Express x16 graphics adapter or PCI Express x1 adapter connector (some models) 4 Battery 8 PCI Ex[...]

Accessing system board components Yo u might need to remove the drive bay assembly to access system board components such as memory , the battery , and CMOS. To access system board components and the drives: 1. Remove the computer cover . See “Removing the cover” on page 22. 2. Remove the fr ont bezel by releasing the thr ee tabs and pivoting t[...]

4. Slide the drive bay assembly forwar d until the drive bay assembly is aligned with the two slots on the sides of the chassis and remove the drive cables fr om the system board. Then pull upwar d on the handle 1 to remove the drive bay assembly completely from the computer . Identifying parts on the system board The system board (sometimes [...]

The following illustration shows the locations of parts on the system board for some computer models. 1 Micropr ocessor fan connector 12 Front panel connector 2 Micropr ocessor and heat sink 13 S ATA IDE connectors (2) 3 Memory connector 1 14 Front USB connectors (2) 4 Memory connector 2 15 Serial (CO[...]

The following illustration shows the locations of parts on the system board for some computer models. 1 Micropr ocessor and heat sink 12 Front USB connectors (2) 2 Micropr ocessor fan connector 13 Serial (COM) connector 3 Memory connector 1 14 Front audio connector 4 Memory connector 2 15 CD-IN connec[...]

The following illustration shows the locations of parts on the system board for some computer models. 1 Micropr ocessor and heat sink 12 Front panel connector 2 Micropr ocessor fan connector 13 Front USB connectors (2) 3 Memory connector 1 14 Front audio connector 4 Memory connector 2 15 CD-IN connect[...]

Installing memory Y our computer has two connectors for installing double date rate 2 dual inline memory modules (DDR2 DIMMs) that provide up to a maximum of 4.0 GB of system memory . When installing memory modules, the following rules apply: v Use 1.8 V, 240-pin, double data rate 2 synchr onous dynamic random access memory (DDR2 SDRAM). v Use 256 [...]

What to do next: v To work with another option, go to the appropriate section. v To complete the installation, go to “Replacing the cover and connecting the cables” on page 39. Installing PCI adapters This section provides information and instr uctions for installing and removing PCI adapters. Y our computer has four expansion connectors. There[...]

5. Close the adapter latch to secur e the adapter . What to do next: v To work with another option, go to the appropriate section. v To complete the installation, go to “Replacing the cover and connecting the cables” on page 39. Installing internal drives This section provides information and instr uctions for installing and removing internal d[...]

Drive specifications Y our computer comes with the following factory-installed drives: v An optical drive in bay 1 (some models) v A 3.5-inch har d disk drive in bay 2 v A 3.5-inch diskette drive in bay 3 (some models) Any bay that does not have a drive installed has a static shield and bay panel installed. The following illustration shows the loca[...]

Installing a drive in bay 1 To install an optical drive or an additional hard disk drive in bay 1, do the following: 1. Remove the computer cover . See “Removing the cover” on page 22. 2. Access the system boar d. See “Accessing system board components” on page 24. 3. If you ar e installing a drive with accessible media, such as an optical [...]

4. Locate the extra four -wire power connector labelled P4 and connect it to the drive. Connecting an additional serial ATA hard disk drive A serial hard disk drive can be connected to any available S ATA connector . 1. Locate the signal cable that comes with the new drive. 2. Locate the available S ATA connector on the system board. See “Identif[...]

6. Install the diskette drive into the bay fr om the front until it snaps into position. 7. Align the drive bay assembly with the two slots and rails on the sides of the chassis and connect the flat cable to the new drive. What to do next: v To work with another option, go to the appropriate section. v To complete the installation, go to “Replaci[...]

Integrated cable lock W ith an integrated cable lock (sometimes referred to as the Kensington lock), you can secure your computer to a desk, table, or other non-permanent fixtur e. The cable lock attaches to a security slot at the rear of your computer and is operated with a key . The cable lock also locks the buttons used to open the computer cove[...]

Padlock Y our computer is equipped with a padlock loop such that the cover cannot be removed when a padlock is installed. Password protection To deter unauthorized use of your computer , you can use the Setup Utility program to set a passwor d. When you turn on your computer you are pr ompted to type the password to unlock the keyboar d for normal [...]

To change the battery: 1. T urn off the computer and disconnect the power cord fr om the electrical outlet and from the computer . 2. Remove the computer cover . See “Removing the cover” on page 22. 3. Yo u might have to access the system board components. See “Accessing system board components” on page 24. 4. Locate the battery . See “Id[...]

6. Restart the computer , leave it on for appr oximately ten seconds. T urn of f the computer by holding the power switch for approximately five seconds. The computer will turn off. 7. Repeat steps 1 thr ough 3 on page 38. 8. Move the Clear CMOS/Recovery jumper back to the standar d position (pins 1 and 2). 9. Replace the computer cover and connect[...]

5. Position the computer cover on the chassis so that the rail guides on the sides of the cover engage the rails and push the cover to the closed position until it snaps into position. If your computer has screws to secur e the computer cover , install the screws. 6. Install any locking devices such as a padlock as necessary . 7. Reconnect the exte[...]

Chapter 4. Recovering software There ar e a variety of methods to choose from when considering how to r ecover software in the event of a softwar e or hardwar e-related pr oblem. Some methods vary depending on the type of operating system you have. This chapter will help you become familiar with recovery solutions pr ovided by Lenovo. This chapter [...]

v W indows V ista: Use Product Recovery discs to restor e your computer to the original factory contents only . When using Product Recovery discs on W indows XP , you are given the option to enter the Rescue and Recovery workspace and choose from a variety of r ecovery operations. When using Product Recovery discs on W indows V ista, you are prompt[...]

v On a pr otected area of your har d disk v On a second har d disk installed in your computer v On an externally attached USB har d disk v On a network drive v On r ecordable CDs or DVDs (a r ecordable CD or DVD drive is r equired for this option) After you have backed up your hard disk, you can r estore the complete contents of the hard disk, r es[...]

multiple partitions on your hard disk, you have the option to r estore the factory contents to the C: partition and leave the other partitions intact. Because the Rescue and Recovery workspace operates independently from the W indows operating system, you can restor e the factory contents even if you cannot start the W indows operating system. Atte[...]

To create rescue media, do the following: 1. Open the Start menu fr om the W indows desktop, select All Programs , click ThinkV antage , then click Create Recovery Media . 2. In the Rescue Media ar ea, select the type of rescue media you want to cr eate. Yo u can create rescue media using a CD, USB har d drive, or a second internal hard disk drive.[...]

2. Insert the Recovery Repair diskette into diskette drive A. 3. T urn on the computer and follow the instructions on the screen. Note: If the repair operation finishes without error , you will be able to access the Rescue and Recovery workspace by repeatedly pr essing the F1 1 key while you restart your computer . When you hear beeps or see a logo[...]

Setting a rescue device in the startup sequence Before you start the Rescue and Recovery pr ogram from a CD, DVD, USB har d disk drive, or any external device, you must first change the startup sequence in the Setup Utility . To view or change the startup sequence, do the following: 1. W ith the computer off, r epeatedly press and r elease the F1 k[...]

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Chapter 5. Using the Setup Utility The Setup Utility program is stor ed in the electrically erasable programmable read-only memory (EEPROM) of your computer . The Setup Utility program is used to view and change the configuration settings of your computer , regar dless of which operating system you are using. However , the operating-system settings[...]

v Have at least eight characters in length v Contain at least one alphabetic character , one numeric character , and one symbol v Contain at least one of the following symbols: , . / ` ; ' [] v Yo u can also use the space bar v Setup Utility pr ogram and hard disk drive passwor ds are not case sensitive v Not be your name or your user name v N[...]

To set Security Profile by Device, do the following: 1. Start the Setup Utility pr ogram (see “Starting the Setup Utility program” on page 49). 2. Fr om the Setup Utility program menu, select Security . 3. Select Security Profile by Device . 4. Select the desir ed devices and settings and press Enter . 5. Return to the Setup Utility pr ogram me[...]

Advanced settings On some computer models the Advanced settings menu includes a setting to Enable/Disable HyperThreading. This featur e works only with HyperThreading-awar e operating systems such as Microsoft W indows XP . The default setting for HyperThreading is Enabled. However , if you select Set Defaults and are using an operating system othe[...]

Chapter 6. Updating system programs This chapter contains information about updating POST/BIOS and how to recover from a POST/BIOS update failur e. Using system programs System programs ar e the basic layer of software that is built into your computer . They include the power-on self-test (POST), the basic input/output system (BIOS) code, and the S[...]

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Chapter 7. T roubleshooting and diagnostics This chapter describes some basic troubleshooting and diagnostic pr ograms. If your computer problem is not described her e, see Chapter 8, “Getting information, help, and service,” on page 61 for additional troubleshooting r esources. Basic troubleshooting The following table provides information to [...]

Symptom Action The Enhanced Performance USB Keyboard does not work. V erify that: v The computer is turned on. v The keyboard is securely connected to a USB connector on the front or r ear of the computer . v No keys are stuck. If you cannot correct the pr oblem, have the computer serviced. Refer to the safety and warranty information that is provi[...]

created by both diagnostic pr ograms. Yo u will need the log files when you speak to a Lenovo technical support repr esentative. (The log file created by PC-Doctor for W indows is automatically saved in C:PCDRDET AILED.TXT .) PC-Doctor for Windows PC-Doctor for W indows is a diagnostic program that works through the W indows operating system. The[...]

3. Repeatedly pr ess and release the F1 1 key as you turn on the computer . 4. When you hear beeps or see a logo scr een, stop pressing the F1 1 key . The Rescue and Recovery workspace opens. Note: For some models, press the Esc key to enter Rescue and Recovery . 5. Fr om the Rescue and Recovery workspace, select Create diagnostic disks . 6. Follow[...]

PC-Doctor for Windows PE Depending upon your machine type and model, you either have PC-Doctor for DOS or PC-Doctor for W indows PE on your Lenovo computer . The PC-Doctor for W indows PE diagnostic program is part of the Rescue and Recovery workspace. Use PC-Doctor for DOS, if you are unable to start the W indows operating system or if PC-Doctor f[...]

Note: The following illustration might be slightly different fr om your mouse. 1 Retainer ring 2 Ball 3 Plastic rollers 4 Ball cage To clean a mouse with a ball, follow the instructions below: 1. T urn off your computer . 2. Disconnect the mouse cable fr om the computer . 3. T urn the mouse upside down. T wist the retainer r[...]

Chapter 8. Getting information, help, and service If you need help, service, or technical assistance or just want more information about products manufactur ed by Lenovo, you will find a wide variety of sources available from Lenovo to assist you. Information resources This section provides information on how to access useful r esources r elating t[...]

v Client Security Solutions v Factory Recovery v System Updates v Service and support Note: ThinkV antage T echnologies are only available on select Lenovo computers. To access the ThinkV antage Pr oductivity Center program, open the Start menu from the W indows desktop, select All Programs , select ThinkV antage , and click Productivity Center . A[...]

Using the documentation and diagnostic programs Many computer problems can be solved without outside assistance. If you experience a problem with your computer , see Chapter 7, “T roubleshooting and diagnostics,” on page 55. For information on additional resour ces to help you troubleshoot your computer pr oblem, see “Information resour ces?[...]

Note: Phone numbers are subject to change without notice. If the number for your country or region is not pr ovided, contact your Lenovo reseller or Lenovo marketing repr esentative. If possible, be at your computer when you call and have the following information available: v Machine type and model v Serial numbers of your har dware pr oducts v De[...]

Appendix A. Manual modem commands The following section lists commands for manually programming your modem. Commands are accepted by the modem while it is in Command Mode. Y our modem is automatically in Command Mode until you dial a number and establish a connection. Commands can be sent to your modem from a PC running communication software or an[...]

Command Function H1 Force modem of f-hook (make busy) Note: H1 command is not supported for Italy I_ I0 Display product-identification code I1 Factory ROM checksum test I2 Internal memory test I3 Firmware ID I4 Reserved ID L_ L0 Low speaker volume L1 Low speaker volume L2 Medium speaker volume L3 High speaker volume M_ M0 Internal speaker off M1 In[...]

Extended AT commands Command Function &C_ &C0 Force Carrier Detect Signal High (ON) &C1 T urn on CD when remote carrier is present &D_ &D0 Modem ignores the DTR signal &D1 Modem returns to Command Mode after DTR toggle &D2 Modem hangs up, returns to the Command Mode after DTR toggle &D3 Resets modem after DTR toggle [...]

Command Function &V1 Display Last Connection Statistics &W_ &W0 Stores the active pr ofile as Profile 0 &W1 Stores the active pr ofile as Profile 1 %E_ %E0 Disable auto-retrain %E1 Enable auto-retrain +MS? Displays the current Select Modulation settings +MS=? Displays a list of supported Select Modulation options +MS=a,b,c,e,f Selec[...]

Fax Class 1 commands +F AE=n Data/Fax Auto Answer +FCLASS=n Service Class +FRH=n Receive data with HDLC framing +FRM=n Receive data +FRS=n Receive silence +FTH=n T ransmit data with HDLC framing +FTM=n T ransmit data +FTS=n Stop transmission and wait Fax Class 2 commands +FCLASS=n Services class. +F AA=n Adaptive answer . +F AXERR Fax error value. [...]

+FPHCTO Phase C time out. +FPOLL Indicates polling request. +FPTS: Page transfer status. +FPTS= Page transfer status. +FREV? Identify revision. +FSPT Enable polling. +FTSI: Report the transmit station ID. V oice commands #BDR Select Baud Rate #CID Enable Caller ID detection and reporting format #CLS Select Data, Fax or V oice/Audio #MDL? Identify M[...]

Attention Switzerland User: If your Swisscom phone line does not have T axsignal switched OFF , modem function may be impaired. The impairment may be r esolved by a filter with the following specifications: T elekom PTT SCR-BE T aximpulssperrfilter-12kHz PTT Art. 444.1 12.7 Bakom 93.0291.Z.N Appendix A. Manual modem commands 71[...]

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Appendix B. Notices Lenovo may not offer the pr oducts, services, or features discussed in this document in all countries. Consult your local Lenovo repr esentative for information on the products and services curr ently available in your area. Any refer ence to a Lenovo product, pr ogram, or service is not intended to state or imply that only that[...]

vary significantly . Some measurements may have been made on development-level systems and there is no guarantee that these measur ements will be the same on generally available systems. Furthermore, some measur ements may have been estimated through extrapolation. Actual r esults may vary . Users of this document should verify the applicable data [...]

Index A Access Help 62 adapter connectors 30 installing 30 peripheral component interconnect (PCI) 16 antivirus software, updating 11 arranging your workspace 1 audio line in connector 21 audio line out connector 21 audio subsystem 14 B battery , changing 37 BIOS, updating (flashing) 53 C cables, connecting 39 changing startup device sequence 51 ch[...]

mouse, cleaning non-optical 59 optical mouse 59 N non-optical mouse 59 O Online Books folder 61 operating system installing 11 updating 11 optical mouse 59 options 16 available 16 external 16 internal 16 P parallel connector 21 password administrator 50 erasing 38 lost or forgotten 38 setting, changing, deleting 50 user 50 passwords considerations [...]

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Part Number: 41X5648 Printed in USA (1P) P/N: 41X5648[...]