
DellPrecision™Workstation490User'sGuide Notes, Notices, and Cautions Abbreviations and Acronyms For a complete list of abbreviations and acr
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 c
Chile (Santiago) Country Code: 56 City Code: 2 Sales and Customer Support toll-free:1230-020-4823 China (Xiamen) Country Code: 86 City Code: 592 Tech
France (Paris) (Montpellier) International Access Code: 00 Country Code: 33 City Codes: (1) (4) Technical Support for all other Dell computers 082538
City Code: 1 Corporate Customer Care (dial within U.K. only) 08709074499 Ireland Sales 012044444 U.K. Sales (dial within U.K. only) 08709074000
Malaysia (Penang) International Access Code: 00 Country Code: 60 City Code: 4 Technical Support (Dell Precision, OptiPlex, and Latitude) toll-free:1
St. Kitts and Nevis General Support toll-free:1-877-441-4731 St. Lucia General Support 1-800-882-1521 St. Vincent and the Grenadines General Support
International Access Code: 002 Country Code: 886 Technical Support (OptiPlex, Latitude, Inspiron, Dimension, and Electronics and Accessories) toll-f
Back to Contents Page U.S. Virgin Islands General Support 1-877-673-3355 Venezuela General Support 8001-3605
Back to Contents Page Glossary DellPrecision™Workstation490User'sGuide A B C D E F G H I K L M N O P R S T U V W X Z Terms in this Glos
L2 cache — Secondary cache which can either be external to the processor or incorporated into the processor architecture. carnet — An international cu
DVD+RW drive — a drive that can read DVDs and most CD media and write to DVD+RW (rewritable DVDs) discs. DVI — digital video interface — A standard fo
Antitheft devices usually include a segment of metal-stranded cable with an attached locking device and key. The documentation that comes with the dev
H hard drive — A drive that reads and writes data on a hard disk. The terms hard drive and hard disk are often used interchangeably. heat sink — A me
M Mb — megabit — A measurement of memory chip capacity that equals 1024 Kb. Mbps — megabits per second — One million bits per second. This measuremen
PIO — programmed input/output — A method of transferring data between two devices through the processor as part of the data path. pixel — A single poi
off your computer before completing a shutdown. smart card — A card that is embedded with a processor and a memory chip. Smart cards can be used to au
video resolution — See resolution. virus — A program that is designed to inconvenience you or to destroy data stored on your computer. A virus program
Back to Contents Page I/O Panel DellPrecision™Workstation490User'sGuide I/O-Panel Components Removing the I/O Panel Replacing th
6. If the system is in tower mode, pull to remove the full-length card retainer piece beside the card fan. 7. Press the tab between the card
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Back to Contents Page Memory DellPrecision™Workstation490User'sGuide Fully Buffered DIMM (FBD) Memory Overview Addressing Memory Wi
l PCI cards l Graphics card l PCI Express cards (if applicable) At start-up, the BIOS identifies the components that require address space. The
5. Press <Enter>. If the new system password is less than 15 characters, the whole field fills with placeholders. 6. To confirm your pass
2. Remove the computer cover (see Removing the Computer Cover). 3. Rotate the hard-drive carrier out of the computer (see Rotating the Hard-Dri
11. Press <F2> to enter the system setup program and check the values listed under Memory Info. The computer should have changed the value
Back to Contents Page Power Supply DellPrecision™Workstation490User'sGuide Removing the Power Supply Replacing the Power Supply
4. On the desktop computer, reattach the power cables to the side of the hard drive. 5. Run the cables underneath the tabs, and press the tabs to
Back to Contents Page Removing the Computer Cover and Front Panel DellPrecision™Workstation490User'sGuide Removing the Computer Cover
7. Release the cover from the hinge tabs and set it aside in a secure location. Removing the Front Panel 1. Follow the procedures in Before
2. Press the card retention mechanism release-tab and rotate the card retention mechanism so that it rests against the rotatable hard-drive carrier.
Back to Contents Page Changing Between Tower and Desktop Modes DellPrecision™Workstation490User'sGuide With the purchase of an opti
6. If metal shields are present in your computer (see About the Metal Shields Present in Some Drive Configurations), pull to remove any metal shiel
14. If metal shields are present in your computer (see About the Metal Shields Present in Some Drive Configurations), replace metal shields in any e
Option Settings You cannot change or enter a new administrator password if the following option is displayed: l Disabled — The administrator passwo
Back to Contents Page Replacing the Front Panel and Computer Cover DellPrecision™Workstation490User'sGuide Rotating the Hard-Drive Car
3. Rotate the card retention mechanism back into its original position; push its tip so that its tab clicks into place. 4. Reconnect both sides
4. Connect your computer and devices to electrical outlets, and turn them on. 5. After you open and close the cover, the chassis intrusion de
Back to Contents Page Installing the Speaker (Optional) DellPrecision™Workstation490User'sGuide 1. Follow the procedures in Befor
6. Ensure that all connectors are properly cabled and firmly seated. 7. Rotate the hard-drive carrier back into place (see Rotating the Hard-
Back to Contents Page Chassis Intrusion Switch DellPrecision™Workstation490User'sGuide Removing the Chassis Intrusion Switch Replac
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Back to Contents Page System Board DellPrecision™Workstation490User'sGuide Removing the System Board Replacing the System Board
9. Disconnect the front fan from the connector labeled FAN_FRONT on the system board. (See System Board Components.) 10. If the system is in
Replacing the System Board 1. Transfer components from the existing system board to the replacement system board: a. Remove the memory modules
3. Type your password into the Old Password field. 4. If you are changing an existing password, follow the instructions in Assigning an Admini
Back to Contents Page DellPrecision™Workstation490User'sGuide Notes, Notices, and Cautions Abbreviations and Acronyms For a complete lis
Back to Contents Page Tools to Help Solve Problems DellPrecision™Workstation490User'sGuide Diagnostic Lights Beep Codes Error Me
Diagnostic Light Codes During POST The power light displays a solid green for diagnostic light codes during POST. (blinking) amber A possible fail
Beep Codes Your computer might emit a series of beeps during start-up if the monitor cannot display errors or problems. This series of beeps, called
Error Messages Fill out the Diagnostics Checklist as you complete these checks. If the message is not listed, see the documentation for the operat
Attachmentfailedtorespond— See Drive Problems. Badcommandorfilename— Ensure that you spelled the command correctly, put spaces in the
Memory odd/even logic failure at address, read value expecting value — Memory write/read failure at address, read value expecting value —
Dell Diagnostics When to Use the Dell Diagnostics If you experience a problem with your computer, perform the checks in Lockups and Software Pro
If you wait too long and the operating system logo appears, continue to wait until you see the Microsoft®Windows®desktop. Then shut down your comput
4. When the tests are completed, if you are running the Dell Diagnostics from the Drivers and Utilities CD, remove the CD. 5. Close the test sc
System Setup Options NOTE: Depending on your computer and installed devices, the items listed in this section may not be present or may not appea
2. Under Pick a Category, click Performance and Maintenance. 3. Click System. 4. In the System Properties window, click the Hardware tab.
Creating a Restore Point 1. Click the Start button and click Help and Support. 2. Click the task for System Restore. 3. Follow the instru
Use Dell PC Restore by Symantec only as the last method to restore your operating system. PC Restore restores your hard drive to the operating state
7. Click Finish to close the PC Restore Removal window. 8. Restart the computer. Using the Operating System CD Before You Begin If you
Back to Contents Page Solving Problems DellPrecision™Workstation490User'sGuide Troubleshooting Tips Follow these tips when you troubl
Card Fan Problems Drive Problems Fill out the Diagnostics Checklist as you complete these checks. Testthegraphicscard— 1. Turn o
CD and DVD drive problems Problems writing to a CD/DVD-RW drive Hard drive problems E-Mail, Modem, and Internet Problems CheckforSoft
IEEE 1394 Device Problems Checkthetelephonelineconnection— Checkthetelephonejack— Connectthemodemdirectlytothetelephone
Keyboard Problems Lockups and Software Problems The computer does not start up The computer stops responding A program stops responding
A program is designed for an earlier Microsoft®Windows®operating system A solid blue screen appears Other software problems Media Card Reader
(On default) NOTE: Drive 4 can be enabled or disabled when SATA Operation is set to RAID Autodetect/AHCI. In other modes, this field might be non-func
Memory Problems Fill out the Diagnostics Checklist as you complete these checks. Mouse Problems FlexBay device is Disabled — There is a Flex
Network Problems Fill out the Diagnostics Checklist as you complete these checks. Power Problems Fill out the Diagnostics Checklist as you compl
Printer Problems Fill out the Diagnostics Checklist as you complete these checks. Serial or Parallel Device Problems Fill out the Diagnostics Ch
Fill out the Diagnostics Checklist as you complete these checks. No sound from speakers No sound from headphones Video and Monitor Problems C
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
Back to Contents Page Features of Microsoft®Windows®XP DellPrecision™Workstation490User'sGuide Transferring Information to a New Com
After the information has been copied, the Completing the Collection Phase screen appears. 8. Click Finish. To transfer data to the new computer:
3. Click Finished and restart the new computer. Switching to Microsoft®Windows®Classic View You can change the appearance of the Windows deskt
l Center to place a single copy of an image in the center of the screen l Stretch to place a single copy of an image to fit the size of the screen
Desktop Cleanup Wizard Your computer is set up to use the Desktop Cleanup Wizard to move programs that are not frequently used to a designated folde
Primary Video (PEG default) This setting specifies which video controller is primary, PCI or PEG. PEG is the appropriate setting for a PCI Express gra
Network Setup Wizard The Microsoft®Windows®XP operating system provides a Network Setup Wizard to guide you through the process of sharing files
Auto Power On (Off default) Sets the computer to automatically turn on. Off disables this feature. Everyday turns the computer on every day at the tim
Boot Menu This feature allows you to change the boot sequence for devices. Option Settings l Onboard or USB Floppy Drive — The computer attempts
Back to Contents Page About Your Computer DellPrecision™Workstation490User'sGuide Front View (Tower Orientation) Back View (Tower O
3. Press the up- and down-arrow keys to move through the list of devices. 4. Press the spacebar to enable or disable a device. 5. Press <
2. Remove the computer cover (see Removing the Computer Cover). 3. Locate the 2-pin password jumper (PSWD) on the system board, and remove the
Power Management Your computer can be set to use less power when you are not working. You control the power usage through the operating system insta
segments—or stripes—of data sequentially across the physical drives to create a large virtual drive. Data striping allows one of the drives to read da
Because data is striped across the RAID configuration, as it is in a RAID 0 configuration, it can be quickly accessed. Also, because of the parity dat
7. Click Finish to create the volume, or click Back to make changes. Creating a RAID Level 1 Configuration 1. Set your computer to RAID-enabled
2. Right-click the Volume icon of the RAID volume you want to delete, and select Delete Volume. 3. On the Delete RAID Volume Wizard screen, cl
Migrating to a RAID Level 1 Configuration 1. Set your computer to RAID-enabled mode (see Setting Your Computer to RAID-Enabled Mode). 2. Click
A spare hard drive may be created with a RAID level 1 configuration. The spare hard drive will not be recognized by the operating system, but you will
11. Confirm that the correct volume configuration is displayed on the main Intel RAID Option ROM utility screen. 12. Press the up- and down-a
Back View (Tower Orientation) Back Panel Connectors ¡ No light — The computer is turned off or in a hibernation mode. ¡ Steady green — The com
Deleting a RAID Volume 1. Press <Ctrl><i> when you are prompted to enter the Intel RAID Option ROM utility. 2. Use the up- and
Back to Contents Page Battery DellPrecision™Workstation490User'sGuide About the Battery Replacing the Battery About the Ba
8. Support the battery connector by pressing down firmly on the positive side of the connector. 9. Hold the battery with the "+" fa
Back to Contents Page Before You Begin DellPrecision™Workstation490User'sGuide Recommended Tools Turning Off Your Computer Befor
Back to Contents Page CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover
Back to Contents Page Cards DellPrecision™Workstation490User'sGuide Expansion Card Support Installing an Expansion Card Removing
5. If you are installing a new card, remove the filler bracket to create a card-slot opening. Then continue with step7. 6. If you are repla
7. Prepare the card for installation. See the documentation that came with the card for information on configuring the card, making internal connect
12. Rotate the card retention door until it snaps into place. 13. Connect any cables that should be attached to the card. See the documentatio
Because the door is captive, it will remain in the open position. 5. Remove the card: a. If necessary, disconnect any cables connected to the
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 connecto
8. Rotate the card retention door until it snaps into place. 9. Connect any cables that should be attached to the card. See the documentatio
Back to Contents Page Copying CDs and DVDs DellPrecision™Workstation490User'sGuide This section applies only to computers that have a C
Helpful Tips l Use Microsoft®Windows®Explorer to drag and drop files to a CD-R or CD-RW only after you start Sonic DigitalMedia and open a Digita
Back to Contents Page Cleaning Your Computer DellPrecision™Workstation490User'sGuide Computer, Keyboard, and Monitor Mouse Flopp
Clean your floppy drive using a commercially available cleaning kit. These kits contain pretreated floppy disks to remove contaminants that accumulate
Back to Contents Page Processor DellPrecision™Workstation490User'sGuide Removing the Processor Installing the Processor Remo
7. Open the processor cover by sliding the release lever from under the center cover latch on the socket. Then, pull the lever back to release the
Installing the Processor 1. Follow the procedures in Before You Begin. 2. Remove the computer cover (see Removing the Computer Cover). 3
10. Set the processor lightly in the socket and ensure that the processor is positioned correctly. 11. When the processor is fully seated in th
Front View (Desktop Orientation) Back View (Desktop Orientation) 1 upper 5.25-inch drive bay Holds a CD/DVD drive. 2 lower 5.25-inch drive bay Y
Back to Contents Page Drives DellPrecision™Workstation490User'sGuide Tower Computer Drives Desktop Computer Drives Hard Drive
About the Metal Shields Present in Some Drive Configurations In certain computer configurations, metal shields are present in the drive bays of yo
General Drive Installation Guidelines When you install a drive, you connect two cables—a DC power cable from the power supply and a data cable—to the
Hard Drive Removing a Hard Drive from the Rotatable Carrier (Tower or Desktop Computer) 1. If you are replacing a hard drive that contains d
8. Ensure that all connectors are properly cabled and firmly seated. 9. Rotate the hard-drive carrier back into place (see Rotating the Hard-
9. Slide the hard drive into the hard-drive bay until it clicks securely into place. 10. Connect a power cable to the hard drive. 11. If
12. Ensure that all connectors are properly cabled and firmly seated. 13. Rotate the hard-drive carrier back into place (see Rotating the Hard-
7. Disconnect the data cable from the back of the hard drive and from the connector on the system board. If it is connected to a card and you wi
9. Set the drive aside in a secure location. 10. If you are not installing another drive in the drive bay, If metal shields are present in y
4. Remove the computer cover (see Removing the Computer Cover). 5. Remove the drive panel (see Removing the Drive Panel). 6. If the FlexB
Inside View Inside View – Hard Drive Bay Rotated Out 1 back panel connectors Plug serial, USB, and other devices into the appropriate connecto
12. If metal shields are present in your computer, install the vented metal insert over the FlexBay and the empty space beneath it (see About the
1. Follow the procedures in Before You Begin. 2. Remove the computer cover (see Removing the Computer Cover and Front Panel). 3. Remove th
10. Ensure that all connectors are properly cabled and firmly seated. 11. If you are not installing another drive in the drive bay, install a d
7. If the CD/DVD drive bay is unpopulated and metal shields are present in your computer (see About the Metal Shields Present in Some Drive Configur
13. Connect the data cable to the back of the drive and to the connector on the system board. 14. Ensure that all connectors are properly ca
3. Grasp the sliding plate lever and push it towards the base of the computer until the drive panel snaps open. 4. Pivot the drive panel o
4. Pinch the drive-panel insert release tabs and rotate the insert just enough to free the release tabs. 5. Slide the drive-panel insert tab o
2. Align the drive panel tabs with the side-door hinges. 3. Rotate the drive panel toward the computer until it snaps into place on the dri
Removing a Floppy Drive (Tower Computer) 1. Follow the procedures in Before You Begin. 2. Remove the computer cover (see Removing the Computer
b. Push the vented metal insert until it clicks into place and its metal tabs rest flush against the chassis surface. Install a drive-panel insert
System Board Components 1 power supply 2 system board 3 memory fan 4 front fan 5 card fan 1 primary processor connector (CPU_0) 15 Flexbay conne
9. Attach the power and data cables to the floppy drive. 10. Connect the other end of the data cable to the system board connector labeled &q
Removing a Floppy Drive (Desktop Computer) 1. Follow the procedures in Before You Begin. 2. Remove the computer cover (see Removing the Comp
c. Push the vented metal insert until it clicks into place and its metal tabs rest flush against the chassis surface. Then, install a drive-panel i
5. If another device is installed in the FlexBay, remove that device (see the appropriate removal instructions in this section). 6. If the Fle
1 drive 9. Gently slide the drive into the FlexBay until you hear a click or feel the drive securely installed. 10. Attach the power and data
Media Card Reader Removing a Media Card Reader (Tower Computer) 1. Follow the procedures in Before You Begin. 2. Remove the computer co
7. If you are not installing another drive in the drive bay and metal shields are present in your computer (see About the Metal Shields Present in
8. Gently slide the reader into the FlexBay until you hear a click or feel the reader securely installed. 9. Attach the interface cable to
13. Ensure that all connectors are properly cabled and firmly seated. 14. Replace the computer cover (see Replacing the Computer Cover). 1
7. Remove the Media Card Reader. 8. If you are not installing another drive in the FlexBay and metal shields are present in your computer (se
Cable Colors Back to Contents Page (INT_SPKR) 6 power connector (POWER2) 20 PCI-X card slot (SLOT5_PCIX) 7 IDE drive connector (IDE) 21 chassis i
Installing a Media Card Reader (Desktop Computer) 1. Follow the procedures in Before You Begin. 2. Remove the computer cover (see Removing th
8. If no screws are attached to the reader, remove the shoulder screws from the inside of the drive panel and attach them to the new Media Card Re
CD/DVD Drive Removing a CD/DVD Drive (Tower Computer) 1. Follow the procedures in Before You Begin. 2. Remove the computer cover (see R
7. If you are not installing another drive in the CD/DVD drive bay and metal shields are present in your computer (see About the Metal Shields Pre
8. If no screws are attached to the drive, check the inside of the drive panel for shoulder screws and attach them to the new drive. 9. Gentl
12. Check all cable connections, and fold cables out of the way to allow for airflow between the fan and cooling vents. 13. Reinstall the drive
7. Remove the CD/DVD drive from the drive bay. 8. If you are not installing another drive in the CD/DVD drive bay and metal shields are prese
6. If another device is installed in the CD/DVD drive bay, remove that device (see Removing a CD/DVD Drive (Desktop Computer)). 7. If the CD/D
13. Replace the desktop drive retention insert and fold down its handle. 14. Check all cable connections, and fold cables out of the way to a
Back to Contents Page FCC Notice (U.S. Only) DellPrecision™Workstation490User'sGuide FCC Class B This equipment generates, uses, and c
Back to Contents Page Advanced Features DellPrecision™Workstation490User'sGuide LegacySelect Technology Control LegacySelect technolo
Back to Contents Page Information About Your Computer DellPrecision™Workstation490User'sGuide Finding Information Specifications
l Service Tag and Express Service Code l Microsoft Windows License Label Service Tag and Microsoft®Windows®License These labels are located on
Specifications NOTE: The color of your CD varies based on the operating system you ordered. l How to use Linux l E-maildiscussionswithusersof
Expansion Bus Bus type PCI 2.3 PCI Express 1.0A PCI-X 2.0A USB 2.0 Bus speed PCI: 133 MB/s PCI-X: 800 MB/s PCI Express: x4/ x8 slot bidirectional spee
Key Combinations <F2> starts embedded system setup (during start-up only) <F12> or <Ctrl><Alt><F8> starts the Boot Dev
Caring for Your Computer To help maintain your computer, follow these suggestions: l To avoid losing or corrupting data, never turn off your comput
Back to Contents Page Getting Help DellPrecision™Workstation490User'sGuide Technical Assistance Problems With Your Order Product
[email protected] (Asian/Pacific countries only) support.jp.dell.com (Japan only) support.euro.dell.com (Europe only) l Electronic Quote Service sa
5. Pack the equipment to be returned in the original (or equivalent) packing materials. You are responsible for paying shipping expenses. You are al
International Access Code: 00 Country Code: 54 City Code: 11 [email protected] E-mail for servers and EMC®storage products: la_enterprise@de
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