Lenovo 921525U Page 24 User Manual Download | Manualshive

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background image

Locating

the

connectors

on

the

rear

of

your

computer

The

following

illustration

shows

the

locations

of

the

connectors

on

the

rear

of

the

computer.

1

Power

connector

9

Ethernet

connector

2

Voltage

switch

10

USB

connectors

3

Mouse

connector

11

Microphone

connector

4

Keyboard

connector

12

Audio

line

out

connector

5

Serial

connector

13

Audio

line

in

connector

6

Parallel

connector

14

AGP

adapter

or

PCI

Express

x16

graphics

adapter

connector

(some

models)

7

VGA

monitor

connector

15

PCI

adapter

connectors

8

USB

connectors

Note:

Some

connectors

on

the

rear

of

the

computer

are

color-coded

to

help

you

determine

where

to

connect

the

cables

on

your

computer.

8

User

Guide

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Summary of Contents for 921525U

Page 1: ...User Guide Types 8290 8291 8292 8463 8464 Types 8465 8469 8472 8708 8709 Types 8712 8713 8719 8771 8772 Types 8776 8777 8817 9214 Types 9215 9216 ...

Page 2: ......

Page 3: ...User Guide Types 8290 8291 8292 8463 8464 Types 8465 8469 8472 8708 8709 Types 8712 8713 8719 8771 8772 Types 8776 8777 8817 9214 Types 9215 9216 ...

Page 4: ...ICTED RIGHTS Our products and or services are provided with RESTRICTED RIGHTS Use duplication or disclosure by the Government is subject to the GSA ADP Schedule contract with Lenovo Group Limited if any or the standard terms of this commercial license or if the agency is unable to accept this Program under these terms then we provide this Program under the provisions set forth in Commercial Comput...

Page 5: ...g adapters 17 Installing internal drives 18 Drive specifications 19 Installing a drive 20 Installing security features 25 Padlock loop 26 Password protection 26 Changing the battery 26 Erasing a lost or forgotten password clearing CMOS 28 Replacing the cover and connecting the cables 29 Chapter 2 Using the Setup Utility program 31 Starting the Setup Utility program 31 Viewing and changing settings...

Page 6: ...iv User Guide ...

Page 7: ...tains a coin sized internal battery that provides power to your system clock even when the machine is unplugged so the battery safety information applies to all computers Conditions that require immediate action Products can become damaged due to misuse or neglect Some product damage is serious enough that the product should not be used again until it has been inspected and if necessary repaired b...

Page 8: ... until you can contact the product manufacturer for further instructions or until you get a suitable replacement General safety guidelines Always observe the following precautions to reduce the risk of injury and property damage Service Do not attempt to service a product yourself unless instructed to do so by the Customer Support Center or your documentation Use only a service provider who is app...

Page 9: ...rd and power adapters from liquids For instance do not leave your cord or power adapter near sinks tubs toilets or on floors that are cleaned with liquid cleansers Liquids can cause a short circuit particularly if the cord or power adapter has been stressed by misuse Liquids can also cause gradual corrosion of the power cord terminals and or the connector terminals on the adapter which can eventua...

Page 10: ...that the power outlet you are using is properly wired easily accessible and located close to the equipment Do not fully extend power cords in a way that will stress the cords Carefully connect and disconnect the equipment from the electrical outlet Batteries All personal computers manufactured by Lenovo contain a non rechargeable coin cell battery to provide power to the system clock In addition m...

Page 11: ...lso examine and remove dust from the inside of the computer including heat sink inlet fins power supply vents and fans Always turn off and unplug the computer before opening the cover If possible avoid operating your computer within 2 feet of high traffic areas If you must operate your computer in or near a high traffic area you should inspect and if necessary clean your computer more frequently F...

Page 12: ...s telecommunications systems networks and modems before you open the device covers unless instructed otherwise in the installation and configuration procedures v Connect and disconnect cables as described in the following table when installing moving or opening covers on this product or attached devices To connect 1 Turn everything OFF 2 First attach all cables to devices 3 Attach signal cables to...

Page 13: ...and DVD ROM drives are also sold separately as options CD ROM drives and DVD ROM drives are laser products These drives are certified in the U S to conform to the requirements of the Department of Health and Human Services 21 Code of Federal Regulations DHHS 21 CFR Subchapter J for Class 1 laser products Elsewhere these drives are certified to conform to the requirements of the International Elect...

Page 14: ...s the following label attached Hazardous voltage current and energy levels are present inside any component that has this label attached There are no serviceable parts inside these components If you suspect a problem with one of these parts contact a service technician xii User Guide ...

Page 15: ... computer and starting the operating system It also includes basic troubleshooting information software recovery procedures help and service information and warranty information The ThinkVantage Productivity Center program on your desktop provides a link to more information about your computer If you have Internet access the most up to date manuals for your computer are available from the World Wi...

Page 16: ...xiv User Guide ...

Page 17: ...n Important Before you install or remove any option read Important safety information on page v These precautions and guidelines will help you work safely Note Use only the parts provided by Lenovo Features This section provides an overview of the computer features and preinstalled software System information The following information covers a variety of models For information for your specific mo...

Page 18: ...itor v An accelerated graphics port AGP video adapter connector on the system board some models v A PCI Express x16 video adapter connector on the system board some models Audio subsystem v AC 97 with Realtek Audio Codec v Line in line out and microphone connectors on the rear panel v Microphone and headphone connectors on the front panel Connectivity v 10 100 Mbps integrated Ethernet controller t...

Page 19: ...some models v One PCI Express x16 expansion connector some models v One PCI Express x1 expansion connector some models Power v 250 W power supply with manual voltage selection switch v Manual 50 60 Hz input frequency v Advanced Configuration and Power Interface ACPI support Security features v User and administrator passwords for BIOS access v Support for a padlock loop v Startup sequence control ...

Page 20: ... higher altitudes the maximum air temperatures are lower than those specified Humidity System on 10 to 80 System off 10 to 90 Electrical input Input voltage Low range Minimum 100 V ac Maximum 127 V ac Input frequency 50 60 Hz Voltage switch setting 115 V ac High range Minimum 200 V ac Maximum 240 V ac Input frequency 50 60 Hz Voltage switch setting 230 V ac Input kilovolt amperes kVA approximate M...

Page 21: ...arallel ATA hard disk drive some models Serial ATA hard disk drive some models Note When adding a serial ATA hard disk drive the drive must support the legency four pin power connector For the latest information about available options see the following World Wide Web pages v http www lenovo com us en v http www lenovo com support You also can obtain information by calling the following telephone ...

Page 22: ...er for at least two seconds This reduces static electricity in the package and your body v When possible remove the option and install it directly in the computer without setting the option down When this is not possible place the static protective package that the option came in on a smooth level surface and place the option on it v Do not place the option on the computer cover or other metal sur...

Page 23: ...the front of your computer The following illustration shows the locations of the connectors on the front of the computer 1 Headphone connector 3 USB connector 2 Microphone connector 4 USB connector Chapter 1 Installing options 7 ...

Page 24: ...nnector 11 Microphone connector 4 Keyboard connector 12 Audio line out connector 5 Serial connector 13 Audio line in connector 6 Parallel connector 14 AGP adapter or PCI Express x16 graphics adapter connector some models 7 VGA monitor connector 15 PCI adapter connectors 8 USB connectors Note Some connectors on the rear of the computer are color coded to help you determine where to connect the cabl...

Page 25: ...recording device Audio line in connector Used to receive audio signals from an external audio device such as a stereo system When you attach an external audio device a cable is connected between the audio line out connector of the device and the audio line in connector of the computer Microphone connector Used to attach a microphone to your computer when you want to record voice or other sounds or...

Page 26: ... sensitive devices on page 6 before removing the cover To remove the cover 1 Shut down your operating system remove any media diskettes CDs or tapes from the drives and turn off all attached devices and the computer 2 Unplug all power cords from electrical outlets 3 Disconnect all cables attached to the computer This includes power cords input output I O cables and any other cables that are connec...

Page 27: ... 3 AGP adapter or PCI Express x16 adapter graphics connector some models 6 Power supply Identifying parts on the system board The system board sometimes called the planar or motherboard is the main circuit board in your computer It provides basic computer functions and supports a variety of devices that are factory installed or that you can install later Chapter 1 Installing options 11 ...

Page 28: ... Recovery jumper Note This part may be a two pin header 3 Memory connector 1 12 SATA connectors 4 4 Memory connector 2 13 Front panel connector 5 Memory connector 3 14 Front USB connector 6 Memory connector 4 15 Front audio connector 7 Power connector 16 PCI adapter connectors 8 Diskette drive connector 17 12v power connector 9 Primary IDE connector 12 User Guide ...

Page 29: ...11 Clear CMOS Recovery jumper 3 Memory connector 1 12 Power LED connector 4 Memory connector 2 13 Front USB connector 5 Power connector 14 Front audio connector 6 Diskette drive connector 15 PCI adapter connectors 7 Secondary IDE connector 16 AGP adapter connector 8 Primary IDE connector 17 System fan connector 9 Battery 18 12v power connector Chapter 1 Installing options 13 ...

Page 30: ...n connector 11 Front panel connector 3 Memory connector 1 12 Clear CMOS Recovery jumper 4 Memory connector 2 13 Front USB connectors 2 5 Power connector 14 Battery 6 Diskette drive connector 15 PCI adapter connectors 7 Primary IDE connector 16 Front audio connector 8 Secondary IDE connector 17 AGP adapter connector 9 System fan connector 18 12v power connector 14 User Guide ...

Page 31: ...r 19 PCI Express x16 adapter connector some models 9 Diskette drive connector 20 System fan 10 SATA connectors 4 21 12v power connector 11 Clear CMOS Recovery jumper Installing memory Your computer has two or four connectors for installing DIMMs Each DIMM can be a maximum of 1GB providing up to a maximum of 2 0 GB or 4 0 GB of system memory When installing memory modules the following rules apply ...

Page 32: ... module over the memory connector Make sure that the notch 1 on the memory module aligns correctly with the connector key 2 on the system board Push the memory module straight down into the connector until the retaining clips close 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 2...

Page 33: ...all an adapter up to 228 mm 9 inches long in the AGP or PCI Express x16 slot PCI slot 2 or PCI slot 3 You can install an adapter up to 200 mm 7 9 inches long in PCI slot 1 To install an adapter 1 Remove the cover See Removing the cover on page 10 2 Remove the adapter slot cover for the appropriate expansion slot 3 Remove the adapter from its static protective package 4 Install the adapter into the...

Page 34: ...s Internal drives are devices that your computer uses to read and store data You can add drives to your computer to increase storage capacity and to enable your computer to read other types of media Some of the different drives that are available for your computer are v Parallel ATA hard disk drives some models v Serial ATA hard disk drives some models v Optical drives such as CD drives and DVD dr...

Page 35: ...tly connect the internal drive cables to the installed drive Drive specifications Your computer comes with the following factory installed drives v A CD drive or DVD drive in bay 1 v A 3 5 inch diskette disk drive in bay 3 some models v A 3 5 inch hard drive in bay 4 Any bay that does not have a drive installed has a static shield and bay panel installed The following illustration shows the locati...

Page 36: ...isk drive preinstalled You can obtain a Universal Adapter Bracket 5 25 to 3 5 inch from a local computer retail or by contacting the Customer Support Center Notes 1 Drives that are greater than 43 0 mm 1 7 in high cannot be installed 2 Install removable media tape or CD drives in an accessible bay bay 1 or 2 Installing a drive To install an internal drive follow these steps 1 Remove the cover See ...

Page 37: ...4 Remove the front bezel by removing the two screws and releasing the six plastic tabs inside the chassis and then completely remove the bezel Chapter 1 Installing options 21 ...

Page 38: ...inside of the bezel 7 Make sure the drive that you are installing is set correctly as either a master or a slave device v If it is the first CD drive or DVD drive set it as a master device v If it is an additional CD drive or DVD drive set it as a slave device v If it is an additional parallel ATA hard disk drive set it as a slave device Refer to the documentation that comes with your drive for ma...

Page 39: ...ign the screw holes and install four screws to secure the drive 9 A hard disk drive requires two cables a power cable that connects to the power supply and a signal cable that connects to the system board Chapter 1 Installing options 23 ...

Page 40: ...ther the primary IDE or secondary IDE connector 1 Locate an available IDE connector on the three connector signal cable attached to either the primary IDE or secondary IDE connector on the system board See Identifying parts on the system board on page 11 2 Connect the extra connector on the signal cable to the new drive 3 Your computer has extra power connectors for additional drives Connect a pow...

Page 41: ...the cover and connecting the cables on page 29 Installing security features To help prevent hardware theft and unauthorized access to your computer several security options are available In addition to physical locks unauthorized use of your computer can be prevented by a software lock that locks the keyboard until a correct password is typed in Make sure that any security cables you install do no...

Page 42: ...r normal use 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 29 Changing the battery Your computer has a special type of memory that maintains the date time and settings for built in features such as parallel port assignments configuration A battery keeps this information active w...

Page 43: ...at impede access to the battery See Installing adapters on page 17 for more information 5 Remove the old battery 6 Install the new battery 7 Replace any adapters that were removed to gain access to the battery See Installing adapters on page 17 for instructions for replacing adapters 8 Replace the cover and plug in the power cord See Replacing the cover and connecting the cables on page 29 Note Wh...

Page 44: ... CMOS Recovery jumper on the system board See Identifying parts on the system board on page 11 3 If necessary see Installing adapters on page 17 to remove any adapters that impede access to the Clear CMOS Recovery jumper 4 Move the jumper from the standard position pins 1 and 2 to the maintenance or configure position pins 2 and 3 Note If the system board has only two pins for clearing CMOS add a ...

Page 45: ... all components have been reassembled correctly and that no tools or loose screws are left inside your computer 2 Clear any cables that might impede the replacement of the cover 3 Position the cover on the chassis so that the guides on the top and bottom of the cover engage the chassis and push the cover to the closed position Insert the screws that secure the cover 4 Reconnect the external cables...

Page 46: ...30 User Guide ...

Page 47: ...been set the Setup Utility program menu is not displayed until you type your password See Using passwords for more information The Setup Utility might start automatically when POST detects that hardware has been removed or new hardware has been installed in your computer Viewing and changing settings The Setup Utility program menu lists items that identify system configuration topics When working ...

Page 48: ...password deters unauthorized persons from changing configuration settings If you are responsible for maintaining the settings of several computers you might want to set an administrator password After you set an administrator password a password prompt is displayed each time you try to access the Setup Utility program If you type the wrong password you will see an error message If you type the wro...

Page 49: ...u have a USB keyboard installed on your computer and the Startup Device Menu does not display using this method turn on the computer then immediately press and release the F12 key repeatedly until the Startup Device Menu displays 3 Select the desired startup device from the Startup Device Menu and press Enter to begin Note Selecting a startup device from the Startup Device Menu does not permanentl...

Page 50: ...34 User Guide ...

Page 51: ... update POST BIOS and the Setup Utility program by starting your computer using a flash update diskette or by running a special update program from your operating system Lenovo might make changes and enhancements to the system programs When updates are released they are available as downloadable files on the World Wide Web see the Quick Reference Instructions for using the system program updates a...

Page 52: ...36 User Guide ...

Page 53: ...a plain cotton tipped swab c If there is some debris in the lens gently blow the debris away from the area 2 Check the surface on which you are using the mouse If you have a very intricate picture or pattern beneath the mouse it is difficult for the digital signal processor DSP to determine changes in the mouse position Cleaning a mouse with a ball If the pointer on the screen does not move smooth...

Page 54: ...refully into the ball cage 4 to dislodge dust and lint 5 Look for a buildup of dirt on the plastic rollers 3 inside the ball cage This buildup usually appears as a stripe running across the middle of the rollers 6 If the rollers are dirty clean them by using a cotton swab soaked in isopropyl rubbing alcohol Turn the rollers with your finger and continue swabbing them until all the dirt is removed ...

Page 55: ...es one it is just like specifying a parameter of 0 Example ATH ENTER Basic AT commands In the following listings all default settings are printed in bold text Command Function A Manually answer incoming call A Repeat last command executed Do not precede A with AT or follow with ENTER D_ 0 9 A D and L last number redial P pulse dialing Note Pulse dialing is not supported for Australia New Zealand N...

Page 56: ...turn to Data Mode O1 Return to Data Mode and initiate an equalizer retrain P Set Pulse dial as default Q_ Q0 Modem sends responses Sr Read and display value in register r Sr n Set register r to value n n 0 255 T Set Tone Dial as default V_ V0 Numeric responses V1 Word responses W_ W0 Report DTE speed only W1 Report line speed error correction protocol and DTE speed W2 Report DCE speed only X_ X0 H...

Page 57: ...low control M_ M0 Asynchronous operation P_ P0 US setting for off hook to on hook ratio P1 UK and Hong Kong off hook to on hook ratio P2 Same as P0 setting but at 20 pulses per minute P3 Same as P1 setting but at 20 pulses per minute R_ R0 Reserved R1 CTS operates per flow control requirements S_ S0 Force DSR Signal High ON S1 DSR off in command mode on in on line mode T_ T0 Ends test in progress ...

Page 58: ... Parameter b specifies automode operations where 0 automode disabled 1 automode enabled with V 8 V 32 Annex A Parameter c specifies the minimum connection data rate 300 56000 Parameter d specifies the maximum connection rate 300 56000 Parameter e specifies the codec type 0 Law and 1 A Law Parameter f specifies robbed bit signaling detection 0 detection disabled 1 detection enabled MNP V 42 V 42bis...

Page 59: ... Set the polled station identification FCIG Report the polled station identification FCR Capability to receive FCR Capability to receive FCSI Report the called station ID FDCC DCE capabilities parameters FDCS Report current session FDCS Current session results FDIS Report remote capabilities FDIS Current sessions parameters FDR Begin or continue phase C receive data FDT Data transmission FDTC Repo...

Page 60: ...ufacturer REV Identify Revision Level TL Audio output transmit level VBQ Query Buffer Size VBS Bits per sample ADPCM or PCM VBT Beep Tone Timer VCI Identify Compression Method VLS Voice line select VRA Ringback goes away timer VRN Ringback never came timer VRX Voice Receive Mode VSDB Silence deletion tuner VSK Buffer skid setting VSP Silence detection period VSR Sampling rate selection VSS Silence...

Page 61: ...s not have Taxsignal switched OFF modem function may be impaired The impairment may be resolved by a filter with the following specifications Telekom PTT SCR BE Taximpulssperrfilter 12kHz PTT Art 444 112 7 Bakom 93 0291 Z N Appendix C Manual modem commands 45 ...

Page 62: ...46 User Guide ...

Page 63: ...This information could include technical inaccuracies or typographical errors Changes are periodically made to the information herein these changes will be incorporated in new editions of the publication Lenovo may make improvements and or changes in the product s and or the program s described in this publication at any time without notice The products described in this document are not intended ...

Page 64: ...ht protection technology must be authorized by Macrovision Corporation and is intended for home and other limited viewing uses only unless otherwise authorized by Macrovision Corporation Reverse engineering or disassembly is prohibited Trademarks The following terms are trademarks of Lenovo in the United States other countries or both Lenovo ThinkCentre ThinkVantage The following terms are tradema...

Page 65: ...0 memory 15 memory modules 15 security features 25 K keyboard connector 8 9 L locating components 11 M memory dual inline memory modules DIMMs 15 installing 15 system 15 memory modules installing 15 microphone connector 8 9 modem Basic AT commands 39 Extended AT commands 41 Fax Class 1 commands 43 Fax Class 2 commands 43 MNP V 42 V 42bis V 44 commands 42 Voice commands 44 mouse connector 8 9 O opt...

Page 66: ...system board connectors 12 13 14 15 identifying parts 11 location 12 13 14 memory 5 15 system programs 35 U USB connectors 8 9 V VGA monitor connector 8 video subsystem 2 voltage switch 8 50 User Guide ...

Page 67: ......

Page 68: ...Part Number 41D2698 Printed in USA 1P P N 41D2698 ...

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