Dell 450 manuale d’uso

DellPrecision™Workstations450and650User'sGuide This document describes the features and operation of your computer. This document is stored on your computer hard drive. For information on other documentation included with your computer, see " Finding Information for Your Computer ." Information About Your Compu[...]

For a complete list of abbreviations and acronyms, see the Glossary . IfyoupurchasedaDell™nSeriescomputer,anyreferencesinthisdocumenttoMicrosoft ® Windows ® operating systems are not applicable. Information in this document is subject to change without notice. © 2003DellComputerCorpor[...]

Back to Contents Page Advanced Troubleshooting DellPrecision™Workstations450and650User'sGuide  Diagnostic Lights  Beep Codes  Dell Diagnostics  Drivers  Using System Restore  Resolving Software and Hardware Incompatibilities Diagnostic Lights System Lights  Located on the front of t[...]

Diagnostic Light Codes During POST  and then press the power button. If the problem is still not resolved, contact Dell for technical assistance.  The computer is in a normal off condition; the computer is connected to its electrical outlet. Press the power button to turn the computer on. If the computer does not turn on, ensure that the fron[...]

occurred.   Memory modules are detected, but a memory failure has occurred.  1.  Reseat the memory modules to ensure that your computer is successfully communicating with the memory. 2.  Restart the computer. 3.  If the problem still exists, remove all the memory modules and install one memory module in memory module connector 4. [...]

Beep Codes  Your computer might emit a series of beeps that identify a problem. One possible series (code 1 - 3 - 1) consists of one beep, a burst of three beeps, and then one beep. This series tells you that the computer encountered a memory problem. 1.  Write the beep code down on the Diagnostic Checklist . 2.  Run the Dell Diagnostics t[...]

Dell Diagnostics When to Use the Dell Diagnostics  If you experience a problem with your computer, perform the checks in " Solving Problems " and run the Dell Diagnostics before you contact Dell for technical assistance. Running the Dell Diagnostics may help you resolve the problem without contacting Dell. If you do contact Dell, the t[...]

 3.  When the boot device list appears, highlight IDE CD - ROM Device and press <Enter>. 4.  Select the IDE CD - ROM Device option from the CD boot menu. 5.  Select the Boot from CD - ROM option from the menu that appears. 6.  Type 1 to start the ResourceCD menu. 7.  Type 2 to start the Dell Diagnostics. 8.  Select Run th[...]

Identifying Drivers Windows XP 1.  Click the Start button and click Control Panel . 2.  In the Control Panel window, under Pick a Category , click Performance and Maintenance . 3.  In the Performance and Maintenance window, click System . 4.  In the System Properties window, click the Hardware tab. 5.  Click Device Manager . 6.  I[...]

Using System Restore  The Microsoft ® Windows ® XP operating system provides System Restore to allow you to return your computer to an earlier operating state (without affecting data files) if changes to the hardware, software, or other system settings have left the computer in an undesirable operating state. See Windows Help for information o[...]

Resolving Software and Hardware Incompatibilities Windows XP  Microsoft ® Windows ® XP IRQ conflicts occur if a device either is not detected during the operating system setup or is detected but incorrectly configured.  To check for conflicts on a computer running Windows XP: 1.  Click the Start button, and then click Control Panel . 2. [...]

Back to Contents Page Advanced Features DellPrecision™Workstations450and650User'sGuide  LegacySelect Technology Control  Manageability  Security  Password Protection  System Setup  Jumper Settings  Power Button  TAPI  Hyper - Threading  IEEE 1394  U320 SCS[...]

 Dell OpenManage Client Instrumentation is software that enables remote management programs such as IT Assistant to do the following: l  Access information about your computer, such as how many processors it has and what operating system it is running l  Monitor the status of your computer, such as listening for thermal alerts from tempera[...]

Option Settings  You cannot change or enter a new system password if either of the following two options is displayed: l  Enabled — A system password is assigned. l  Disabled — The system password is disabled by a jumper setting on the system board.  You can only assign a system password when the following option is displayed: l [...]

Deleting or Changing an Existing System Password 1.  Enter system setup and verify that Password Status is set to Unlocked . 2.  Restart your computer. 3.  When prompted, type the system password. 4.  Press <Ctrl><Enter> to disable the existing system password. 5.  Confirm that Not Enabled is displayed for the System Pass[...]

1.  Open the computer cover . 2.  Remove the jumper plug labeled "PSWD" from the jumper.  See " Jumper Settings " to locate the password jumper. 3.  Close the computer cover . 4.  Reconnect your computer and devices to electrical outlets and turn them on.  This disables the existing password(s). 5.  Enter sy[...]

Boot Sequence  This feature allows users to change the sequence of devices from which the computer boots. Option Settings l  Normal — ( Available only for the current boot process.) The computer attempts to boot from the sequence of devices specified in system setup. l  Diskette Drive — The computer attempts to boot from the floppy dri[...]

  The Boot Device Menu appears, listing all available boot devices. Each device has a number next to it. At the bottom of the menu, enter the number of the device that is to be used for the current boot only. Changing Boot Sequence for Future Boots 1.  Enter system setup . 2.  Use the arrow keys to highlight the Boot Sequence menu optio[...]

 NOTE: When two COM connectors share an IRQ setting, you can use either connector as necessary, but you may not be able to use them both at the same time. If you are running the Microsoft Windows 95 or IBM ® OS/2 ® operating system, you cannot use both serial connectors at the same time. If the second connector (COM3 or COM4) is also in use, t[...]

Jumper Settings    To change a jumper setting, pull the plug off its pin(s) and carefully fit it down onto the pin(s) indicated.  Power Button   You can use the ACPI feature to configure the function of the Microsoft Windows 2000 and Windows XP operating systems. Power Button Functions for Operating Systems With ACPI Enabled  ?[...]

TAPI   Your computer supports TAPI - compliant modem cards using the standard TAPI connector (the green connector labeled MODEM or TELEPHONY). If your modem supports voice features, you can connect your modem to the TAPI connector and then use your audio speakers and microphone as an answering machine or speakerphone. The microphone carries y[...]

 3.  Disconnect any telephone or telecommunication lines from the computer. 4.  Disconnect your computer and all attached devices from electrical outlets, and then press the power button to ground the system board. 5.  If you have installed a padlock through the padlock ring on the back panel, remove the padlock.   6.  Open the[...]

Integrated Striping  Your Dell Precision 650 computer supports integrated striping for a minimum of two hard drives to a maximum of four hard drives on the Integrated Ultra320 SCSI channel. Integrated striping writes data across multiple hard drives rather than writing to one hard drive by partitioning each hard drive's storage space into s[...]

2.  Select the drive controller and press <Enter>. 3.  Using the arrow keys, select Activate/Delete RAID Array and press <Enter>. 4.  Press any key to continue. 5.  Use the <Page Up> or the <Page Down> keys to select the volume to be activated. 6.  Press <F2> to return to the top menu. 7.  Select Acti[...]

 Back to Contents Page  Check all internal and external SCSI bus cable connections. If the problem continues, disable Domain Validation for a specific SCSI device. To disable Domain Validation for a specific SCSI device, use the Fusion - MPT SCSI BIOS Configuration Utility to set the Sync Rate to 0 (async) and the Data Width to 8. The SCSI de[...]

Back to Contents Page Battery DellPrecision™Workstations450and650User'sGuide   A coin - cell battery maintains computer configuration, date, and time information. The battery can last several years.  The battery may need replacing if you have repeatedly reset the time and date information after turning on the co[...]

 10.  Close the computer cover, and plug your computer and devices into electrical outlets. 11.  Enter system setup and restore the settings you recorded in step 1 . 12.  Properly dispose of the old battery. For more information see your System Information Guide . Back to Contents Page  NOTICE: To connect a network cable, first plug [...]

Back to Contents Page Cards DellPrecision™Workstations450and650User'sGuide  Installing a Card  Removing a Card YourDell™computerprovidesslotsforPCI/PCI - X and AGP cards. For more information, see " Specifications " or the system board components illustration for your computer.  [...]

2.  If you are installing a new card, remove the filler bracket to create a card - slot opening. Then continue with step 4 . 3.  If you are replacing a card that is already installed in the computer, remove the card .  If necessary, disconnect any cables connected to the card. Grasp the card by its top corners, and ease it out of its conne[...]

 7.  If you are replacing an AGP card, align the AGP card guide with the base and press down on the indentation until the guide stops at the top of the AGP card.    8.  Connect any cables that should be attached to the card.  See the documentation for the card for information about the card's cable connections.  9.  [...]

a.  Enter system setup , select Integrated Devices , and change the setting for Sound to Off . b.  Connect external audio devices to the sound card's connectors. Do not connect external audio devices to the microphone, speaker/headphone, or line - in connectors on the back panel (for the Dell Precision 450 computer, see " Back View [...]

b.  Connect external audio devices to the audio connectors on the computer back panel (for the Dell Precision 450 computer, see " Back View " or for the Dell Precision 650 computer, see " Back View "). 10.  If you removed an add - in network connector: a.  Enter system setup , select Integrated Devices , and change the [...]

Back to Contents Page Cleaning Your Computer DellPrecision™Workstations450and650User'sGuide  Before Cleaning Your Computer  Computer, Keyboard, and Monitor  Mouse  Floppy Drive  CDs and DVDs Before Cleaning Your Computer  1.  Shut down the computer through the Start menu. 2.  Ensure[...]

CDs and DVDs 1.  Hold the disc by its outer edge. It is okay to touch the inside edge of the center hole.  2.  With a soft, lint - free cloth, gently wipe the bottom of the disc (the unlabeled side) in a straight line from the center to the outer edge of the disc.  For stubborn dirt, try using water or a diluted solution of water and mi[...]

Back to Contents Page Memory DellPrecision™Workstations450and650User'sGuide Memory Installation Guidelines Removing a Memory Module Adding a Memory Module   You can increase your computer memory by installing memory modules on the system board. For information on the type of memory supported by your computer, see &[...]

 At start - up the BIOS identifies the components that require address space. The BIOS dynamically calculates the amount of reserved address space required. It then subtracts the reserved address space from 4 GB to determine the amount of usable space. l  If the total installed computer memory is less than the usable space, all installed comp[...]

 If you insert the module correctly, the securing clips snap into the cutouts at each end of the module.  When the memory module is properly seated in the socket, the securing clips on the memory module socket should align with the securing clips on the other sockets with memory modules installed. 5.  Close the computer cover .  6.  [...]

Back to Contents Page Getting Help DellPrecision™Workstations450and650User'sGuide  Technical Assistance  Problems With Your Order  Product Information  Returning Items for Warranty Repair or Credit  Before You Call  Contacting Dell Technical Assistance  If you need help with a techn[...]

 apmarketing@dell.com (Asian/Pacific countries only)  sales_canada@dell.com (Canada only) l  Electronic Information Service  info@dell.com AutoTech Service  Dell's automated technical support service — AutoTech — provides recorded answers to the questions most frequently asked by Dell customers about their portable and deskt[...]

 Contacting Dell  To contact Dell electronically, you can access the following websites: l  www.dell.com l  support.dell.com (technical support) l  premiersupport.dell.com (technical support for educational, government, healthcare, and medium/large business customers, including Premier, Platinum, and Gold customers)  For specific [...]

Country Code: 43 City Code: 1 Home/Small Business Fax  082024053049 Home/Small Business Customer Care  082024053014 Preferred Accounts/Corporate Customer Care  082024053016 Home/Small Business Technical Support  082024053014 Preferred Accounts/Corporate Technical Support  06608779 Switchboard ?[...]

Large Corporate Accounts West  toll - free:8008582811 Large Corporate Accounts Spare Parts  toll - free:8008582621 Colombia General Support  980 -9- 15 - 3978 Costa Rica General Support  0800 - 012 - 0435 Czech Republic (Prague) International Access Code: 00 Country Code: 420 City Code: 2 Website: support.euro.dell.[...]

Switchboard  06103766 - 7000 Greece International Access Code: 00 Country Code: 30 Website: support.euro.dell.com  E- mail: support.euro.dell.com/gr/en/emaildell/  Technical Support  080044149518 Gold Technical Support  08844140083 Switchboard  2108129800 Sales  2108129800 Fax  2108129812 Grenada General Support [...]

Large Corporate Accounts Sales (over 3500 employees)  044 - 556 - 3430 Public Sales (government agencies, educational institutions, and medical institutions)  044 - 556 - 1469 Global Segment Japan  044 - 556 - 3469 Individual User  044 - 556 - 1760 Switchboard  044 - 556 - 4300 Korea (Seoul) International Access Code: 001 Country Cod[...]

Relational Customer Care  0206744325 Home/Small Business Sales  0206745500 Relational Sales  0206745000 Home/Small Business Sales Fax  0206744775 Relational Sales Fax  0206744750 Switchboard  0206745000 Switchboard Fax  0206744750 New Zealand International Access Co[...]

Southeast Asian and Pacific Countries Customer Technical Support, Customer Service, and Sales (Penang, Malaysia)  6046334810 Spain (Madrid) International Access Code: 00 Country Code: 34 City Code: 91 Website: support.euro.dell.com  E- mail: support.euro.dell.com/es/es/emaildell/  Home and Small Business   Technical[...]

 Back to Contents Page  Central Government Customer Care  01344373193 Local Government & Education Customer Care  01344373199 Health Customer Care  01344373194 Home and Small Business Sales  08709074000 Corporate/Public Sector Sales  01344860456 Uruguay General Support  toll - free:000 - [...]

Back to Contents Page About Your Computer — Dell Precision 450 DellPrecision™Workstations450and650User'sGuide  Front View  Back View  Inside Your Computer  System Board Components Front View   Back View  1 floppy - drive light button The floppy - drive light is on when the computer read[...]

 Back Panel Connectors   1 cover release latch Push the latch to the left to open the computer cover. 2 padlock ring Insert a padlock to lock the computer cover. 3 power connector Insert the power cable. 4 card slots (4) Access connectors for any installed PCI and AGP cards. 5 back panel connectors Plug serial, USB, and other devices into [...]

Inside Your Computer      Cable Colors  (2) It is recommended that you use the front USB connectors for devices that you connect occasionally, such as joysticks or cameras. 10 keyboard connector If you have a standard keyboard, plug it into the purple keyboard connector. If you have a USB keyboard, plug it into a USB connector. 11[...]

System Board Components    Back to Contents Page  I/O panel Yellow pull tab 1 CD/DVD drive connector (IDE2) 14 PCI card connectors (PCI1, PCI2 [32 - bit connectors], and PCI3 [64 - bit PCI - X connector]) 2 I/O panel (I/O PANEL) 15 telephony connector (MODEM) 3 floppy drive connector (DISKETTE) 16 AGP card connector (AGP) 4 memory modul[...]

Back to Contents Page Drives DellPrecision™Workstations450and650User'sGuide  Overview  Hard Drive  Floppy Drive  CD/DVD Drive Overview  Your computer supports: l  Two hard drives (Your computer supports SCSI with an add - in controller, IDE, and Serial ATA.) l  One floppy drive l  Two [...]

      Most interface connectors are keyed for correct insertion; that is, a notch or a missing pin on one connector matches a tab or a filled - in hole on the other connector. Keyed connectors ensure that the pin - 1 wire in the cable (indicated by the colored stripe along one edge of the cable) goes to the pin - 1 end of the conn[...]

installed in your computer, you have two separate SCSI buses operating. Each SCSI bus has a set of SCSI ID numbers from 0 to 15.  When SCSI devices are shipped from the factory, the default SCSI ID numbers are assigned as follows:   SCSI devices installed by Dell are configured correctly during the manufacturing process. You do not need to[...]

4.  Disconnect any telephone or telecommunication lines from the computer. 5.  Disconnect your computer and all attached devices from electrical outlets, and then press the power button to ground the system board. 6.  If you have installed a padlock through the padlock ring on the back panel, remove the padlock.   7.  Open the com[...]

 2.  Press in on the tabs on each side of the drive and slide the drive up and out. IDE/SCSI Drive   Serial ATA Drive  1 power cable 2 serial ATA hard - drive cable 1 tab (2) 2 hard drive[...]

 Installing a Hard Drive 1.  Unpack the replacement hard drive, and prepare it for installation. 2.  Check the documentation for the drive to verify that it is configured for your computer. 3.  If your replacement hard drive does not have the bracket rails attached, remove the rails from the old drive by removing the two screws that sec[...]

Serial ATA Drive  5.  If you are installing a drive that has its own controller card, install the controller card in an expansion slot.  See the documentation that accompanied the drive and controller card to verify that the configuration is correct for your computer.  6.  Connect the power and hard - drive cables to the drive. IDE/S[...]

  Serial ATA Drive   7.  Check all connectors to be certain that they are properly cabled and firmly seated. 8.  Close the computer cover.  9.  Connect your computer and devices to electrical outlets, and turn them on.  See the documentation that came with the drive for instructions on installing any software required for[...]

11.  Turn on the computer. 12.  Enter system setup , and update the your drive configuration. 13.  After you have updated the system settings, exit system setup, and restart the computer. 14.  Partition and logically format your drive before you proceed to the next step.  See the documentation for your operating system for instructio[...]

2.  Press inward on the two tabs on the sides of the drive, slide the drive upward, and remove it from the floppy - drive bay.   Installing a Floppy Drive 1.  If you are replacing a drive and the the new drive does not have the bracket rails attached, remove the rails from the old drive by removing the two screws that secure each rail t[...]

3.  Attach the power and floppy - drive cables to the floppy drive.   4.  If you are installing a new floppy drive rather than replacing a drive, remove the front - panel inserts.  From inside the drive bay, gently press on each side of the insert until it pops out. 5.  Check all cable connections, and fold cables out of the way t[...]

CD/DVD Drive  1.  Shut down the computer through the Start menu. 2.  Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your computer, turn them off now.  3.  Disconnect any telephone or telecommunication lines from the computer. 4. ?[...]

 Installing a CD/DVD Drive 1.  If you are installing a new drive, unpack the drive and prepare it for installation.  Check the documentation that accompanied the drive to verify that the drive is configured for your computer. If you are installing an IDE drive, configure the drive for the cable select setting. 2.  Connect the new drive [...]

5.  If you are installing a drive that has its own controller card, install the controller card in an expansion slot.  See the documentation that accompanied the drive and controller card to verify that the configuration is correct for your computer. 6.  Connect the power and CD/DVD drive cables to the drive.  If you are adding a drive [...]

8.  Check all cable connections, and fold cables out of the way to provide airflow for the fan and cooling vents. 9.  Close the computer cover.  10.  Connect your computer and devices to electrical outlets, and turn them on.  See the documentation that came with the drive for instructions on installing any software required for drive[...]

Back to Contents Page Regulatory Notices DellPrecision™Workstation450andDellPrecisionWorkstation650User'sGuide Electromagnetic Interference (EMI) is any signal or emission, radiated in free space or conducted along power or signal leads, that endangers the functioning of a radio navigation or other safety servic[...]

l Company name: Dell Computer Corporation One Dell Way Round Rock, Texas 78682 USA (512) 338 - 4400 IC Notice (Canada Only) Most Dell computer systems (and other Dell digital apparatus) are classified by the Industry Canada (IC) Interference - Causing Equipment Standard #3 (ICES - 003) as Class B digital devices. To determine which classification ([...]

EN 55022 Compliance (Czech Republic Only) VCCI Notice (Japan Only) Most Dell computer systems are classified by the Voluntary Control Council for Interference (VCCI) as Class B information technology equipment (ITE). However, the inclusion of certain options can change the rating of some configurations to Class A. ITE, including peripherals, expans[...]

NOTE: MIC emissions requirements provide for two classifications: l Class A devices are for business purposes. l Class B devices are for nonbusiness purposes. Class A Device Please note that this device has been approved for business purposes with regard to electromagnetic interference. If you find that this device is not suitable for your use, you[...]

BSMI Notice (Taiwan Only)[...]

NOM Information (Mexico Only) The following information is provided on the device(s) described in this document in compliance with the requirements of the official Mexican standards (NOM):  Back to Contents Page  Exporter: Dell Computer Corporation One Dell Way Round Rock, TX 78682 Importer: DellComputerdeMéxico, S.A.deC.V.[...]

Back to Contents Page Ergonomic Computing Habits DellPrecision™Workstation450andDellPrecisionWorkstation650User'sGuide For comfort and efficiency, observe the following ergonomic guidelines when setting up and using your computer: l Position your computer so that the monitor and keyboard are directly in front of[...]

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Back to Contents Page Removing and Installing Parts — Dell Precision 450 DellPrecision™Workstations450and650User'sGuide  Opening the Computer Cover  Memory  Cards   Drives   Microprocessor Airflow Shroud   Microprocessor   VRM Battery  Closing the Computer Cov[...]

Back to Contents Page Microprocessor Airflow Shroud DellPrecision™Workstations450and650User'sGuide  Removing the Microprocessor Airflow Shroud  Installing the Microprocessor Airflow Shroud  1.  Shut down the computer through the Start menu. 2.  Ensure that your computer and attached devices are turne[...]

Installing the Microprocessor Airflow Shroud 1.  Attach both fan power cables to the connectors on the system board. 2.  Align the anchor tabs with the securing slots. 3.  Gently press the shroud until the anchor tabs snap securely into place. 4.  Close the computer cover.  5.  Connect your computer and devices to electrical outle[...]

Back to Contents Page Ergonomic Computing Habits DellPrecision™Workstations450and650User'sGuide    For comfort and efficiency, observe the following ergonomic guidelines when setting up and using your computer workstation: l  Position your computer so that the monitor and keyboard are directly in front of you[...]

Human Factors and Ergonomics Society, 2002.  3. International Organization for Standardization (ISO). ISO 9241 Ergonomics requirements for office work with visual display terminals (VDTs) . Geneva, Switzerland: International Organization for Standardization, 1992.   Back to Contents Page [...]

Back to Contents Page Glossary DellPrecision™Workstations450and650User'sGuide A  B  C  D  E  F  G  H  I  K  L  M  N  P  R  S  T  U  V  W  Z  A AC — alternating current — The form of electricit[...]

Control Panel —  A Windows utility that allows you to modify operating system and hardware settings, such as display settings. Controller — A chip that controls the transfer of data between the microprocessor and memory or between the microprocessor and devices. CRIMM — continuity rambus in - line memory module — A special module that ha[...]

FCC — Federal Communications Commission — A U.S. agency responsible for enforcing communications - related regulations that state how much radiation computers and other electronic equipment can emit. Floppy drive — A disk drive that can read and write to floppy disks. Folder — A place to organize and group files on a disk or drive. Files in[...]

LAN — local area network — A computer network covering a small area. A LAN usually is confined to a building or a few nearby buildings. A LAN can be connected to another LAN over any distance via telephone lines and radio waves to form a wide area network (WAN). LED — light - emitting diode — An electronic component that emits light to indi[...]

Program — Any software that processes data for you, including spreadsheet, word processor, database, and game packages. Programs require an operating system to run. PS/2 — personal system/2 — A type of connector for attaching a PS/2 - compatible keyboard, mouse, or keypad. PXE — pre - boot execution environment — A WfM (Wired for Manageme[...]

computer, do not change the settings for this program. System tray — The section of the Windows taskbar that contains icons for providing quick access to programs and computer functions, such as the clock, volume control, and print status. Also referred to as notification area. T TAPI — telephony application programming interface — Enables Mi[...]

Back to Contents Page Information About Your Computer DellPrecision™Workstations450and650User'sGuide  Finding Information for Your Computer  Specifications  Caring for Your Computer Finding Information for Your Computer  What Are You Looking For? Find it Here l  A diagnostic program for my compute[...]

l  How to remove and replace parts l  Technical specifications l  How to configure system settings l  How to troubleshoot and solve problems User's Guide Icon (Microsoft Windows 2000)  Double - click the User's Guides icon on your desktop. Windows XP Help and Support Center 1.  Click the Start button, and click Help and [...]

Specifications      3.  Click the topic that describes your problem. 4.  Follow the instructions shown on the screen.  NOTE: For help using Windows 2000, click the Start button and click Help . Microprocessor Microprocessor type Intel ® Xeon™ Level 1 (L1) cache 8 KB Level 2 (L2) cache 512 - KB Memory Type PC2100 DDR Me[...]

    Expansion Bus  Bus type Dual PCI - X 1.0 (3.3 V only), PCI 2.2 (3.3 V/5.0 V) AGP Pro 3.0 (1.5 V only) Bus speed PCI: 33 MHz; PCI - X: 66/100 MHz AGP Pro: 66 MHz Expansion - card connectors: Dell Precision 650 computer — Three PCI - X connectors, two PCI slots, and one AGP 8x Pro110 connector Dell Precision 450 computer — One [...]

    <F12> changes boot sequence (during start - up only) <Ctrl><Alt><F10> launches the utility partition (if installed) during computer start - up <Ctrl><Enter> disables computer password at start - up (after correct password is entered) Controls and Lights Power control push button Power light green [...]

Caring for Your Computer  To help maintain your computer, follow these suggestions: l  To avoid losing or corrupting data, never turn off your computer when the hard drive light is on. l  Schedule regular virus scans using virus software. l  Manage hard drive space by periodically deleting unnecessary files and defragmenting the drive. [...]

Back to Contents Page About Your Computer — Dell Precision 650 DellPrecision™Workstations450and650User'sGuide  Front View  Back View  Inside Your Computer  System Board Components Front View   Front View of the Computer (Doors Open)  1 drive door Open the drive door to access the floppy[...]

 Opening the Drive Door  1 floppy drive Access the floppy drive. 2 headphone connector Attach headphones. 3 microphone connector Attach microphone. 4 USB 2.0 connectors (2) Use the front USB connectors for devices that you connect occasionally, such as joysticks or cameras. It is recommended that you use the back USB connectors for devices th[...]

Back View   Back Panel Connectors  1 cover release latch Push the latch to the left to open the computer cover. 2 security cable slot Use a security cable with the slot to help secure your computer. 3 padlock ring Insert a padlock to lock the computer cover. 4 power connector Insert the power cable. 5 card slots (6) Access connectors for a[...]

 Inside Your Computer    1 parallel connector Connect a parallel device, such as a printer, to the parallel connector. If you have a USB printer, plug it into a USB connector.  NOTE: The integrated parallel connector is automatically disabled if the computer detects an installed card containing a parallel connector configured to the [...]

  Cable Colors  System Board Components  NOTICE: Be careful when opening the computer cover to ensure that you do not accidentally disconnect cables from the system board. 1 floppy drive 5 padlock ring 2 CD/DVD drive 6 microprocessor airflow shroud 3 hard drive 7 system board 4 power supply 8 chassis intrusion switch Device Cable Color [...]

 Back to Contents Page  1 CD/DVD drive connector (IDE2) 15 standby power light (AUX_PWR_LED) 2 I/O panel connector (I/O PANEL) 16 PCI card connectors (PCI1, PCI2 [32 - bit connectors], PCI3 , PCI4, and PCI5 [64 - bit PCI - X connectors]) 3 floppy - drive connector (DISKETTE) 17 telephony connector (MODEM) 4 memory module connectors (DIMM_1, D[...]

Back to Contents Page Closing the Computer Cover DellPrecision™Workstations450and650User'sGuide 1.  Ensure that all cables are connected, and fold cables out of the way. 2.  Ensure that no tools or extra parts are left inside the computer. 3.  Close the computer cover: a.  Pivot the cover down and into positi[...]

4.  If you are using a padlock to secure your computer, install the padlock.  5.  Connect your computer and devices to electrical outlets, and turn them on. Back to Contents Page  1 cover release latch 2 padlock ring NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.[...]

Back to Contents Page Opening the Computer Cover DellPrecision™Workstations450and650User'sGuide  1.  Shut down the computer through the Start menu. 2.  Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your compu[...]

  Back to Contents Page  1 security cable slot 2 cover release latch 3 padlock ring[...]

Back to Contents Page Microprocessor DellPrecision™Workstations450and650User'sGuide  Installation Guidelines  Installing the Microprocessor  Removing the Microprocessor Installation Guidelines l  Your computer is designed for dual - processor operations. The heat sinks (CPU_0 and CPU_1) are keyed to [...]

  12.  Remove the thermal grease protective cover and place the heat sink in the base. 13.  Place one end of the heat sink under the tab on the retention module on the side opposite the lever. Lower the heat sink onto the microprocessor so that the heat sink fits securely under the tab on the other end of the retention module. 14.  R[...]

6.  Open the computer cover . 7.  Remove the microprocessor airflow shroud (for the Dell Precision 650 computer, see " Microprocessor Airflow Shroud " or for the Dell Precision 450 computer, see " Microprocessor Airflow Shroud ").  8.  Remove the microprocessor heat sink: a.  Remove the two retention module clips [...]

 10.  Remove the microprocessor from the socket.  If you are replacing the microprocessor, leave the release lever extended in the release position so that the socket is ready for the new microprocessor and go to " Installing the Microprocessor ."  If you are removing a second microprocessor and not installing another one, rem[...]

Back to Contents Page Drives DellPrecision™Workstations450and650User'sGuide  Overview  Hard Drive  Floppy Drive  CD/DVD Drive Overview  Your computer supports: l  Three hard drives (Your computer supports IDE, Serial ATA, and SCSI.) l  One floppy drive l  Three CD or DVD drives (One ba[...]

      Most interface connectors are keyed for correct insertion; that is, a notch or a missing pin on one connector matches a tab or a filled - in hole on the other connector. Keyed connectors ensure that the pin - 1 wire in the cable (indicated by the colored stripe along one edge of the cable) goes to the pin - 1 end of the conn[...]

l  A SCSI controller card installed in your computer. SCSI ID Numbers  Internal SCSI devices must have a unique SCSI ID number from 0 to 15. If you are using the SCSI connector on the system board and a SCSI controller card installed in your computer, you have two separate SCSI buses operating. Each SCSI bus has a set of SCSI ID numbers from [...]

3.  Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your computer, turn them off now.  4.  Disconnect any telephone or telecommunication lines from the computer. 5.  Disconnect your computer and all attached devices from electrical out[...]

 2.  Press in on the tabs on each side of the drive and slide the drive up and out. IDE/SCSI Drive   Serial ATA Drive  1 power cable 2 serial ATA hard - drive cable 1 tab (2) 2 hard drive[...]

 Installing a Hard Drive 1.  Unpack the replacement hard drive, and prepare it for installation. 2.  Check the documentation for the drive to verify that it is configured for your computer. 3.  If your replacement hard drive does not have the bracket rails attached, remove the rails from the old drive by removing the two screws that sec[...]

Serial ATA Drive  6.  If you are installing a drive that has its own controller card, install the controller card in an expansion slot.  See the documentation that accompanied the drive and controller card to verify that the configuration is correct for your computer.  7.  Connect the power and hard - drive cables to the drive. IDE/S[...]

 Serial ATA Drive   8.  Check all connectors to be certain that they are properly cabled and firmly seated. 9.  Close the computer cover.  10.  Connect your computer and devices to electrical outlets, and turn them on. 1 power cable 2 hard - drive cable 1 power cable 2 serial ATA hard - drive cable NOTICE: To connect a network [...]

 See the documentation that came with the drive for instructions on installing any software required for drive operation. 11.  If the drive you just installed is the primary drive, insert a bootable floppy disk into drive A. 12.  Turn on the computer. 13.  Enter system setup , and update the your drive configuration. 14.  After you h[...]

 2.  Press inward on the two tabs on the sides of the drive, slide the drive upward, and remove it from the floppy - drive bay.   Installing a Floppy Drive 1 power cable 2 floppy - drive cable 1 tab (2) 2 floppy drive[...]

1.  If you are replacing a drive and the the new drive does not have the bracket rails attached, remove the rails from the old drive by removing the two screws that secure each rail to the drive. Attach the bracket to the new drive by aligning the screw holes on the drive with the screw holes on the bracket rails and then inserting and tightenin[...]

 4.  If you are installing a new floppy drive rather than replacing a drive, remove the front - panel inserts.  From inside the drive bay, gently press on each side of the insert until it pops out. 5.  Check all cable connections, and fold cables out of the way to provide airflow for the fan and cooling vents. 6.  Close the computer [...]

 6.  Open the computer cover . 7.  Ground yourself by touching an unpainted metal surface on the computer, such as the metal at the back of the computer, before touching anything inside your computer.  While you work, periodically touch an unpainted metal surface on the computer to dissipate any static electricity that might harm intern[...]

 Installing a CD/DVD Drive  1.  If you are installing a new drive, unpack the drive and prepare it for installation.  Check the documentation that accompanied the drive to verify that the drive is configured for your computer. If you are installing an IDE drive, configure the drive for the cable select setting. 2.  Connect the new dr[...]

5.  If you are installing a drive that has its own controller card, install the controller card in an expansion slot.  See the documentation that accompanied the drive and controller card to verify that the configuration is correct for your computer. 6.  Connect the power and CD/DVD drive cables to the drive.  If you are adding a drive [...]

7.  If you are installing a new CD/DVD drive rather than replacing a drive, remove the front - panel inserts.  From inside the drive bay, gently press on each side of the insert until it pops out. 8.  Check all cable connections, and fold cables out of the way to provide airflow for the fan and cooling vents. 9.  Close the computer cove[...]

Back to Contents Page VRM DellPrecision™Workstations450and650User'sGuide  Installing a VRM  Removing a VRM  1.  Shut down the computer through the Start menu. 2.  Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when y[...]

3.  Align the notch on the bottom of the VRM with the ridges inside the connector. 4.  Press the VRM straight down into the connector until the securing clips snap into place at the ends of the module. 5.  Install the microprocessor airflow shroud (for the Dell Precision 650 computer, see " Microprocessor Airflow Shroud " or for [...]

Back to Contents Page Memory DellPrecision™Workstations450and650User'sGuide Memory Installation Guidelines Removing a Memory Module Adding a Memory Module   You can increase your computer memory by installing memory modules on the system board. For information on the type of memory supported by your computer, see &[...]

 At start - up the BIOS identifies the components that require address space. The BIOS dynamically calculates the amount of reserved address space required. It then subtracts the reserved address space from 4 GB to determine the amount of usable space. l  If the total installed computer memory is less than the usable space, all installed comp[...]

 If you insert the module correctly, the securing clips snap into the cutouts at each end of the module.  When the memory module is properly seated in the socket, the securing clips on the memory module socket should align with the securing clips on the other sockets with memory modules installed. 5.  Close the computer cover .  6.  [...]

Back to Contents Page Removing and Installing Parts — Dell Precision 650 DellPrecision™Workstations450and650User'sGuide  Opening the Computer Cover  Memory  Cards  Drives  Microprocessor Airflow Shroud  Microprocessor  VRM Battery  Closing the Computer Cover Back to Conte[...]

Back to Contents Page Microprocessor Airflow Shroud DellPrecision™Workstations450and650User'sGuide  Removing the Microprocessor Airflow Shroud  Installing the Microprocessor Airflow Shroud Removing the Microprocessor Airflow Shroud  1.  Shut down the computer through the Start menu. 2.  Ensure that y[...]

Installing the Microprocessor Airflow Shroud 1.  Insert the bottom anchor tabs into the anchor slots. 2.  Align and insert the side anchor tabs into the anchor slots. 3.  Press the indentations until the top anchor tabs on the shroud snap securely into place. 4.  Close the computer cover.  5.  Connect your computer and devices to [...]

Back to Contents Page Regulatory Notices DellPrecision™Workstations450and650User'sGuide  FCC Notices (U.S. Only)  IC Notice (Canada Only)  CE Notice (European Union)  ENERGY STAR ® Compliance  Simplified Chinese Class A Warning Notice (China Only)  EN 55022 Compliance (Czech Republic [...]

 This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed [...]

Any changes you make to this configuration (such as installing additional expansion cards or drives) may increase the computer's power consumption beyond the limits set by the EPA's ENERGY STAR ® Computers program.  ENERGY STAR ® Emblem  The EPA's ENERGY STAR ® Computers program is a joint effort between the EPA and[...]

 Class B ITE   This is a Class B product based on the standard of the Voluntary Control Council for Interference (VCCI) for information technology equipment. If this equipment is used near a radio or television receiver in a domestic environment, it may cause radio interference. Install and use the equipment according to the instruction ma[...]

 Please note that this device has been approved for nonbusiness purposes and may be used in any environment, including residential areas. MIC Class B Regulatory Label  If the regulatory label includes the following marking, your computer is a Class B product.  Polish Center for Testing and Certification Notice  The equipment should draw[...]

BSMI Notice (Taiwan Only)  If you find a or mark on the regulatory label on the bottom, side, or back panel of your computer, the following section is applicable:  [...]

NOM Information (Mexico Only)  The following information is provided on the device(s) described in this document in compliance with the requirements of the official Mexican standards (NOM):    Back to Contents Page  Exporter: Dell Computer Corporation One Dell Way Round Rock, TX 78682 Importer: DellComputerdeMéxico, S.A.[...]

Back to Contents Page Solving Problems DellPrecision™Workstations450and650User'sGuide  Troubleshooting Your Computer  Battery Problems  Card Problems  Drive Problems  Dropped or Damaged Computer  E - Mail, Modem, and Internet Problems  Error Messages  General Problems ?[...]

Drive Problems  Fill out the Diagnostics Checklist as you complete these checks. Floppy drive problems     2.  Ensure that each card is firmly seated in its connector. Reseat any loose cards. 3.  Ensure that all cables are firmly connected to their corresponding connectors on the cards. If any cables appear loose, reconnect the[...]

    CD drive problems   Problems writing to a CD - RW drive  DVD drive problems   Hard drive problems  Test the floppy drive light — MS - DOS ® Insert a floppy disk, type dir a: at the DOS prompt, and press <Enter>. Microsoft Windows operating systems Insert a floppy disk, click the Start button, click My Comp[...]

Dropped or Damaged Computer   E- Mail, Modem, and Internet Problems  4.  Under Error - checking , click Check Now . 5.  Click Start . For Windows 2000 1.  Right - click My Computer on your desktop and click Manage . 2.  Click Storage and click Disk Management . 3.  Right - click the drive that you want to scan for errors and[...]

Error Messages  If the message is not listed, see the documentation for the operating system or the program that was running when the message appeared.  next to it, click the checkmark to remove it and connect to the Internet. Ensure that you have subscribed to an Internet service provider — Contact an Internet service provider to subscribe[...]

Alert! Unsupported Processor Type Detected. System Halted! — Replace the microprocessor. See " Microprocessor ." Alert! Uncorrectable Memory Error Previously Detected... Address xxxxxxxx h — One or more memory modules may be improperly seated or faulty or the system board may be faulty. See " Memory Problems " and " Sys[...]

Memory write/read failure at address , read value expecting value —  A memory module might be faulty or improperly seated. Reinstall the memory modules and, if necessary, replace them. See " Memory Problems " for additional troubleshooting suggestions. Memory size in CMOS invalid — The amount of memory recorded in the computer conf[...]

General Problems The computer stops responding  A program stops responding  A program crashes repeatedly   A program is designed for an earlier Windows operating system  A solid blue screen appears  Other software problems  Turn the computer off — If your computer locks up and you are unable to get a response by pressing a ke[...]

Other technical problems  General hardware problems  If your computer exhibits one or more of the following symptoms, a device conflict may exist: l  Your computer locks up, particularly while using a specific device. l  A recently added device does not work. l  Memory parity errors occur on parity - enabled computers. l  A sound [...]

 Fill out the Diagnostics Checklist as you complete these checks.  Memory Problems   Fill out the Diagnostics Checklist as you complete these checks.  Microprocessor Problems   Fill out the Diagnostics Checklist as you complete these checks.  Restart the computer — l  If the mouse is functioning, shut down the computer [...]

Mouse Problems  Fill out the Diagnostics Checklist as you complete these checks.  Network Problems   message for the following: ¡  Different cache sizes ¡  Different speeds ¡  Different types Enter system setup and ensure that values for Processor 0 and Processor 1 under the CPU Information option are identical: l  If two[...]

  Power Problems   Fill out the Diagnostics Checklist as you complete these checks.  Printer Problems   1 link integrity light 2 network activity light Restart the computer and try to log on to the network again Check your network settings — Contact your network administrator or the person who set up your network to verify th[...]

Serial or Parallel Device Problems  Fill out the Diagnostics Checklist as you complete these checks.   Sound and Speaker Problems  Fill out the Diagnostics Checklist as you complete these checks. No sound from speakers   Test the electrical outlet — Ensure that the electrical outlet is working by testing it with another device, [...]

No sound from headphones  System Board Problems  Fill out the Diagnostics Checklist as you complete the following checks.        Ensure that the subwoofer and the speakers are turned on — See the setup diagram supplied with the speakers. If your speakers have volume controls, adjust the volume, bass, or treble to elimin[...]

Video and Monitor Problems  Fill out the Diagnostics Checklist as you complete these checks. If the screen is blank   If the screen is difficult to read   Back to Contents Page  Reseat the Memory Modules — 1.  Turn off the computer and devices, disconnect them from electrical outlets, wait 10 to 20 seconds, and then open the [...]

Back to Contents Page DellPrecision™Workstations450and650User'sGuide This document describes the features and operation of your computer. This document is stored on your computer hard drive. For information on other documentation included with your computer, see " Finding Information for Your Computer ." For a [...]

Back to Contents Page Warranty and Return Policy DellPrecision™Workstations450and650User'sGuide  Dell Computer Corporation ("Dell") manufactures its hardware products from parts and components that are new or equivalent to new in accordance with industry - standard practices. For information about the Dell w[...]

Back to Contents Page Your Operating System DellPrecision™Workstations450and650User'sGuide  Reinstalling Microsoft ® Windows ® XP  Reinstalling Microsoft Windows 2000  Microsoft Windows XP Features Reinstalling Microsoft ® Windows ® XP  Before You Reinstall If you are considering rein[...]

4.  If you want to install a new copy of Windows XP, press <Esc> to select that option. 5.  Press <Enter> to select the highlighted partition (recommended), and then follow the instructions on the screen.  The Windows XP Setup screen appears, and the operating system begins to copy files and install the devices. The computer au[...]

13. Enter your name and organization in the Personalize Your Software window, and then click Next . 14. Enter the Windows product key, which is printed on the Microsoft label on your computer. Then click Next . 15. When the Computer Name and Administrator Password window appears, enter a name for your computer and a password, if desired. Then click[...]

operating system. Control Panel 1.  Click the Start button and click Control Panel . 2.  Click Switch to Classic View or Switch to Category View in the upper - left area of the Control Panel window. Start Menu 1.  Right - click an empty area on the taskbar. 2.  Click Properties and click the Start Menu tab. 3.  Click Classic Start Me[...]

Adding User Accounts  After the Microsoft ® Windows ® XP operating system is installed, the administrator or a user with administrator rights can create additional user accounts. 1.  Click the Start button and click Control Panel . 2.  In the Control Panel window, click User Accounts . 3.  Under Pick a task , click Create a new [...]