-
Lenovo 8421 - page 1
Us er Gu i d e Ty p e s 8095 , 809 6 , 81 4 1 , 81 4 2 Ty p e s 8 1 45, 84 2 0 , 84 2 1 , 84 2 6 ThinkCentre ...
-
Lenovo 8421 - page 2
...
-
Lenovo 8421 - page 3
Us er Gu i d e Ty p e s 8095 , 809 6 , 81 4 1 , 81 4 2 Ty p e s 8 1 45, 84 2 0 , 84 2 1 , 84 2 6 ...
-
Lenovo 8421 - page 4
Note Before using this information and the pr oduct it supports, be sure to read the “Important safety information” on page v and Appendix D, “Notices,” on page 41. Sixth Edition (Octoberhi 2005) © Copyright Lenovo 2005. Portions © Copyright International Business Machines Corporation 2004,2005. All rights reserved. U.S. GOVERNMENT USERS ...
-
Lenovo 8421 - page 5
Contents Important safety information . . . . . .v Conditions that requir e immediate action . . . . .v General safety guidelines . . . . . . . . . .v i Service . . . . . . . . . . . . . . .v i Power cords and power adapters . . . . . . vii Extension cords and r elated devices . . . . . vii Plugs and outlets . . . . . . . . . . . viii Batteries . . ...
-
Lenovo 8421 - page 6
iv User Guide ...
-
Lenovo 8421 - page 7
Important safety information Note Please read important safety information first. This information can help you safely use your ThinkCentre ™ or ThinkPad ® personal computer . Follow and retain all information included with your computer . The information in this document does not alter the terms of your purchase agreement or the Lenovo Statemen ...
-
Lenovo 8421 - page 8
speak to the Customer Support Center for further guidance. See “Information resources” on page xiii for more information. v Power cords, plugs, power adapters, extension cor ds, surge pr otectors, or power supplies that are cracked, br oken or damaged. v Signs of overheating, smoke, sparks or fir e. v Damage to a battery (such as cracks, dents, ...
-
Lenovo 8421 - page 9
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 . Power cords and power adapters Use only the power cords and power adapters supplied by the pr oduct manufacturer . Never wrap a power co ...
-
Lenovo 8421 - page 10
product. Never overload these devices. If power strips ar e used, the load should not exceed the power strip input rating. Consult an electrician for more information if you have questions about power loads, power requir ements, and input ratings. Plugs and outlets If a receptacle (power outlet) that you intend to use with your computer equipment a ...
-
Lenovo 8421 - page 11
Heat and product ventilation Computers generate heat when turned on and when batteries are char ging. Notebook PCs can generate a significant amount of heat due to their compact size. Always follow these basic precautions: v Do not leave the base of your computer in contact with your lap or any part of your body for an extended period when the comp ...
-
Lenovo 8421 - page 12
v Check CD/DVD discs for cracks before each use. Do not use cracked or damaged discs Additional safety information Danger Electrical current from power , telephone, and communication cables is hazardous. To avoid a shock hazard: v Do not connect or disconnect any cables or perform installation, maintenance, or reconfiguration of this product during ...
-
Lenovo 8421 - page 13
Modem safety information Caution To reduce the risk of fire, use only No. 26 AW G or larger telecommunication line cord. To reduce the risk of fir e, electrical shock, or injury when using telephone equipment, always follow basic safety precautions, such as: v Never install telephone wiring during a lightning storm. v Never install telephone jacks ...
-
Lenovo 8421 - page 14
Power supply statement Never remove the cover on a power supply or any part that has the following label attached. Hazardous voltage, curr ent, and energy levels ar e present inside any component that has this label attached. There ar e no serviceable parts inside these components. If you suspect a problem with one of these parts, contact a service ...
-
Lenovo 8421 - page 15
Overview Thank you for selecting a ThinkCentre computer . Y our computer incorporates many of the latest advances in computer technology and can be upgraded as your needs change. Adding hardwar e options to your computer is an easy way to increase its capabilities. Instructions for installing external and internal options are included in this publi ...
-
Lenovo 8421 - page 16
xiv User Guide ...
-
Lenovo 8421 - page 17
Chapter 1. Installing options ThinkCentre 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. Import ...
-
Lenovo 8421 - page 18
Memory v Support for four double data rate (DDR or DDR2, depending on model) dual inline memory modules (DIMMs) v 512 KB flash memory for system programs Internal drives v 3.5-inch, 1.44 MB diskette drive v Serial Advanced T echnology Attachment ( S ATA ) internal hard disk drive v Optical drive (some models) V ideo subsystem v An integrated graphi ...
-
Lenovo 8421 - page 19
Expansion v Four drive bays v Tw o 32-bit peripheral component interconnect (PCI) adapter connectors v One PCI Express (x1) adapter connector v One PCI Express (x16) graphics adapter connector Power v 310 W power supply with manual voltage selection switch v Automatic 50/60 Hz input frequency switching v Advanced Power Management support v Advanced ...
-
Lenovo 8421 - page 20
Specifications This section lists the physical specifications for your computer . Dimensions Height: 146 mm (5.7 in.) W idth: 442 mm (17.4 in.) Depth: 401 mm (15.8 in) W eight Minimum configuration as shipped: 24 lb (1 1 kg) Maximum configuration: 31 lb (14 kg) Environment Air temperature: System on: 10° to 35°C (50° to 95° F) System off: 10° ...
-
Lenovo 8421 - page 21
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 the sound system – USB devices, such as printers, joysticks, and scanners – Security ...
-
Lenovo 8421 - page 22
v Always handle components carefully . Handle adapters and memory modules by the edges. Never touch any exposed circuitry . v Prevent others fr om touching components. v When you install a new option, touch the static-protective package containing the option to a metal expansion-slot cover or other unpainted metal surface on the computer for at lea ...
-
Lenovo 8421 - page 23
Locating the connectors on the front of your computer The following illustration shows the locations of the connectors on the front of the computer . Note: Not all computer models will have the following connectors. ThinkCentre 1 3 9 4 1 IEEE 1394 connector 4 Microphone connector 2 USB connector 5 Headphone connector 3 ...
-
Lenovo 8421 - page 24
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 PCI adapter connector 9 Diagnostic LEDs 2 PCI Express (x1) adapter connector 10 Power connector 3 PCI Express (x16) graphics adapter connector 11 Audio line out con ...
-
Lenovo 8421 - page 25
Connector Description Ethernet connector Used to attach an Ethernet cable for a local area network (LAN). Note: To operate the computer within FCC Class B limits, use a Category 5 Ethernet cable. USB connectors Used to attach a device that requir es a Universal Serial Bus (USB) connection, such as a USB scanner or USB printer . If you have more tha ...
-
Lenovo 8421 - page 26
Removing the cover Important: Read “Important safety information” on page v and “Handling static-sensitive devices” on page 5 before r emoving the computer cover . To remove the computer cover: 1. Shut down your operating system, remove any media (diskettes, CDs, or tapes) from the drives, and turn of f all attached devices and the computer ...
-
Lenovo 8421 - page 27
Locating components The following illustration will help you locate the various components in your computer . *XXXXXXXXX* *XXXXXXXXX* 1 Power supply 5 PCI Express (x16) graphics adapter connector 2 Memory modules 6 Battery 3 PCI Express (x1) adapter connector 7 Micropr ocessor and heat sink 4 PCI adapter co ...
-
Lenovo 8421 - page 28
The following illustration shows the locations of parts on the system board. 1 12v power connector 13 S ATA 2 connector 2 Diskette drive connector 14 S ATA 1 connector 3 Speaker connector 15 Cover presence switch connector 4 Memory connector 4 16 Power supply connector 5 Memory connector 3 17 ...
-
Lenovo 8421 - page 29
1. Remove the computer cover . See “Removing the cover” on page 10. 2. Locate the memory connectors. See “Identifying parts on the system board” on page 11 . v If the two memory connectors closest to the edge of the system board ar e a yellow color , your system board has DDR type memory . DDR memory modules are 184-pin, 2.5 V and can be us ...
-
Lenovo 8421 - page 30
5. Position the memory module over the memory connector . Make sur e 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 memory connector until the retaining clips close. What to do next: v To work with another option, go to the appr opriate s ...
-
Lenovo 8421 - page 31
3. Open the adapter latch and remove the connector cover for the appr opriate expansion connector . *XXXXXXXXX* *XXXXXXXXX* 4. Remove the adapter from its static-pr otective package. 5. Install the adapter into the appropriate connector on the system boar d. 6. Close the adapter latch to secure the adapter . *XXXXXXXXX* *XXXXXXXXX* What to do next: ...
-
Lenovo 8421 - page 32
Installing internal drives This section provides information and instr uctions for installing and removing internal drives. Internal drives are devices that your computer uses to r ead and store data. Yo u can add drives to your computer to increase storage capacity and to enable your computer to read other types of media. Some of the dif ferent dr ...
-
Lenovo 8421 - page 33
The following illustration shows the locations of the drive bays. The following list describes some of the drives that you can install in each bay and their height requir ements: 1 Bay 1 - Maximum height: 25.8 mm (1.0 in.) 3.5-inch diskette drive (preinstalled in some models) 2 Bay 2 - Maximum height: 43.0 mm (1.7 in.) v Optical drive s ...
-
Lenovo 8421 - page 34
4. Remove the metal shield from the drive bay by inserting a flat-blade screwdriver into one of the slots and gently prying it loose. 5. If you are installing any type of drive other than a serial ATA hard disk drive, make sure the drive that you ar e installing is set correctly as either a master or a slave device. Note: A serial ATA hard disk dri ...
-
Lenovo 8421 - page 35
8. Install the drive into the bay until it snaps into position. *XXXXXXXXX* *XXXXXXXXX* 9. A drive requir es two cables; a power cable that connects to the power supply and a signal cable that connects to the system board. v A parallel ATA hard disk drive or optical drive requir es a four-wir e power cable. v A serial ATA hard disk drive requir es ...
-
Lenovo 8421 - page 36
Connecting an additional optical drive or parallel ATA hard disk drive 1. Locate the PATA IDE connector on the system board and the three-connector signal cable. See “Identifying parts on the system board” on page 11 . 2. Connect the extra connector on the signal cable to the new drive. 3. Y our computer has extra power connectors for additiona ...
-
Lenovo 8421 - page 37
Padlock loop Y our computer is equipped with a padlock loop that locks the cover to your computer when a padlock is installed. Make sure that the padlock loop does not interfer e with the computer cables. Password protection To deter unauthorized use of your computer , you can use the Setup Utility program to set a passwor d. See “Using passwords ...
-
Lenovo 8421 - page 38
Refer to “Lithium battery notice” on page x for information about replacing and disposing of the battery . To change the battery: 1. Remove the computer cover . See “Removing the cover” on page 10. 2. Pivot the drive bay assembly upward to gain access to the system boar d. *XXXXXXXXX* *XXXXXXXXX* 3. Locate the battery . See “Identifying p ...
-
Lenovo 8421 - page 39
Erasing a lost or forgotten password (clearing CMOS) This section applies to lost or forgotten passwor ds. For more information about lost or forgotten passwor ds, see the Access IBM program on your desktop. To erase a forgotten passwor d: 1. Remove the computer cover . See “Removing the cover” on page 10. 2. Pivot the drive bay assembly upward ...
-
Lenovo 8421 - page 40
4. Position the cover over the chassis and pivot it down over the computer until it snaps into place. 5. Reconnect the external cables and power cords to the computer . See “Installing external options” on page 6. 6. To update the configuration, see Chapter 2, “Using the Setup Utility pr ogram,” on page 25. 24 User Guide ...
-
Lenovo 8421 - page 41
Chapter 2. Using the Setup Utility program 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 ...
-
Lenovo 8421 - page 42
v If you type an incorrect passwor d, you will see an error message. If you type an incorrect passwor d three consecutive times, you must turn the computer of f and start again. v If you set both a User Password and an IDE Drive User Passwor d and each password is the same, you will be pr ompted for the password only once when you turn on your comp ...
-
Lenovo 8421 - page 43
Attention Make sure that the IDE Drive Master passwor d is stored in a safe place. If both the IDE Drive User password and the IDE Drive Master passwor d are lost or forgotten, the IDE har d disk drive must be replaced. If both the IDE Drive User Password and the IDE Drive Master Passwor d are to be set, the IDE Drive Master Password must be set be ...
-
Lenovo 8421 - page 44
Selecting a temporary startup device Use this procedur e to startup from any boot device. Note: Not all CDs, hard disks, and diskettes ar e startable (bootable). 1. T urn off your computer . 2. Press and hold the F12 key then turn on your computer . When the Startup Device Menu displays, release the F12 key . Note: If you are using a USB keyboar d ...
-
Lenovo 8421 - page 45
Appendix A. Updating system programs This appendix contains information about updating system programs and how to recover fr om a POST/BIOS update failure. 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 ...
-
Lenovo 8421 - page 46
2. Locate the Downloadable files for your machine type as follows: a. Under Use Quick path, type your machine type and click Go . b. Click Continue . c. Click Downloads and drivers . d. Under the BIOS category , click the Flash BIOS update. e. Click the .txt file that contains the installation instructions for the flash BIOS update (flash from the ...
-
Lenovo 8421 - page 47
Appendix B. Cleaning the mouse This appendix provides instr uctions on how to clean your mouse. The procedure will be differ ent depending on which type of mouse you have. Cleaning an optical mouse If you experience some problems with your optical mouse, check the following: 1. T urn the mouse over and look carefully at the lens area. a. If there i ...
-
Lenovo 8421 - page 48
To clean a mouse with a ball: 1. T urn off your computer . 2. T urn the mouse over , with the top side down, and look carefully at the bottom. T wist the r etainer ring 1 to the unlocked position to remove the ball. 3. Place your hand over the retainer ring and ball 2 , and then turn the mouse over , top side up, so that the retainer ri ...
-
Lenovo 8421 - page 49
Appendix C. 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 ...
-
Lenovo 8421 - page 50
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 ...
-
Lenovo 8421 - page 51
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 ...
-
Lenovo 8421 - page 52
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 ...
-
Lenovo 8421 - page 53
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. ...
-
Lenovo 8421 - page 54
+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 ...
-
Lenovo 8421 - page 55
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 C. Manual modem commands 39 ...
-
Lenovo 8421 - page 56
40 User Guide ...
-
Lenovo 8421 - page 57
Appendix D. 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 ...
-
Lenovo 8421 - page 58
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 ...
-
Lenovo 8421 - page 59
Index A adapters connectors 14 installing 14 peripheral component interconnect (PCI) 5 audio line in connector 9 audio line out connector 9 audio, subsystem 2 B battery location 11 boot-block recovery 30 C cables, connecting 23 changing the battery 21 cleaning the mouse 31 commands Basic AT 33 Extended AT 35 Fax Class 1 37 Fax Class 2 37 MNP/V .42/ ...
-
Lenovo 8421 - page 60
replacing the cover 23 S security features 3, 20 padlock loop 21 security profile by device 27 serial connector 9 Setup Utility 25 system board connectors 12 identifying parts 11 location 12 memory 5, 12 system programs 29 U USB connectors 9 using passwords 25 security profile by device 27 V video, subsystem 2 44 User Guide ...
-
Lenovo 8421 - page 61
...
-
Lenovo 8421 - page 62
Part Number: 19R0462 Printed in USA (1P) P/N: 19R0462 ...
Haben Sie eine Frage bezüglich Lenovo 8421?
Nutzen Sie das untere Formular
Wenn Sie mit Hilfe der gefundenen Bedienungsanleitung Ihr Problem mit Lenovo 8421 nicht gelöst haben, stellen Sie eine Frage, indem Sie das untere Formular nutzen. Wenn einer der Nutzer ein ähnliches Problem mit Lenovo 8421 hatte, ist es möglich, dass er mit Ihnen die Lösung teilen möchte.