Page 1 Finding Information for Your Computer Diagnostic Lights Specifications Beep Codes Caring for Your Computer Dell Diagnostics Drivers About Your Computer—Dell Precision 650 Using System Restore Resolving Software and Hardware Incompatibilities Front View Back View Cleaning Your Computer Inside Your Computer...
Page 2 Agency. As an ENERGY STAR partner, Dell Computer Corporation has determined that this product meets the ENERGY STAR guidelines for energy efficiency. Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Computer Corporation disclaims any proprietary interest in trademarks and trade names other than its own.
Page 3: Advanced Troubleshooting
Solid yellow The Dell Diagnostics is running a test, or a If the Dell Diagnostics is running, allow the testing to device on the system board may be faulty or complete. incorrectly installed. Check the diagnostic lights to see if the specific problem is identified.
Page 4 If the problem is still not resolved, contact Dell for technical assistance. The computer is in a normal off condition; Press the power button to turn the computer on. the computer is connected to its electrical outlet.
Page 5 If the first memory module tested is defective, repeat the process with the remaining modules to ensure the remaining modules are not defective. 8. When the defective memory module is identified, contact Dell for a replacement. NOTE: If necessary, the computer can operate in debug mode until new memory modules are installed.
Page 6: Beep Codes
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 to identify a more serious cause. 3. Contact Dell for technical assistance. Code Cause 1-1-2 Microprocessor register failure 1-1-3...
Page 7: When To Use The Dell Diagnostics
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 test results can provide important information for Dell's service and support personnel.
Page 8: Dell Diagnostics Main Menu
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 screen to return to the Main Menu screen. To exit the Dell Diagnostics and restart the computer, close the Main Menu screen.
Page 9: Identifying Drivers
To view a list of all available drivers for your computer, click Drivers in the Topic drop-down menu. To access the Dell Drivers and Utilities CD Guide, click User's Guides in the Topic drop-down menu, and then click Dell Precision ResourceCD.
Page 10: Using System Restore
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 on using System Restore.
Page 11: Resolving Software And Hardware Incompatibilities
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.
Page 12: Advanced Features
A fan or voltage failure exists inside the power supply. Power Supply For more information about Dell's ASF implementation, see the ASF User's Guide and the ASF Administrator's Guide, available on the Dell Support website at support.dell.com. Dell OpenManage IT Assistant IT Assistant configures, manages, and monitors computers and other devices on a corporate network.
Page 13: Chassis Intrusion Detection
Change the state of your computer, such as updating its BIOS or shutting it down remotely A managed system is one that has Dell OpenManage Client Instrumentation set up on a network that uses IT Assistant. For information about Dell OpenManage Client Instrumentation, see the Dell OpenManage Client Instrumentation User's Guide available on the Dell Support website at support.dell.com.
Page 14: Option Settings
Option Settings You cannot change or enter a new system password if either of the following two options is displayed: Enabled — A system password is assigned. 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: Not Enabled —...
Page 15: Setup Password
NOTE: You can use Password Status in conjunction with System Password and Setup Password to further protect your computer from unauthorized changes. Deleting or Changing an Existing System Password Enter system setup and verify that Password Status is set to Unlocked. 2.
Page 16: Entering System Setup
Before you use system setup, you must know the kind of floppy drive(s) and hard drive(s) installed in your computer. To confirm this information, see the Manufacturing Test Report that came with your computer, or find this information in the online Dell Accessories folder.
Page 17: Boot Sequence
Changing the Computer Boot Sequence for the Current Boot You can use this feature, for example, to tell the computer to boot from the CD drive so you can run the Dell Diagnostics, and specify that the computer boots from the hard drive when the diagnostic tests are complete.
Page 18: Changing Boot Sequence For Future Boots
NOTE: To ensure an orderly computer shutdown, consult the documentation that came with your operating system. 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.
Page 19 Primary Drive n and Secondary Drive n — The settings are Auto (use this setting for all IDE devices from Dell) and Off. Primary Drive n — Identifies drives attached to the primary IDE interface connector (labeled "IDE1") on the system board.
Page 20: Jumper Settings
Secondary Master: CD-ROM Reader If the computer detects a device during the scan, it sets the device to Auto in system setup. If no device is listed, it sets the device setting to Off in system setup. If your computer does not reset after you perform these steps, enter system setup and reset the computer to its original factory settings: 1.
Page 21: Installing A Tapi-Compliant Modem Card
7. Install the TAPI-compliant modem card: a. Connect the 4-pin TAPI cable to the TAPI system board connector. To locate the TAPI connector on the system board, see the system board components illustration for your computer (for the Dell Precision 450 computer, see "System Board...
Page 22: Hyper-Threading
The Dell Precision 650 computer provides a standard IEEE 1394 connector on both the front and back panels (see "About Your Computer—Dell Precision...
Page 23: Integrated Striping
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 stripes.
Page 24: Troubleshooting The Stripe Volume
Master Boot Record Infection Use a virus scanning program to determine if a virus has infected the master boot record of the boot device. For help resolving virus issues, see the Knowledge Base at support.dell.com. A hard drive is recognized as seven different devices when only one is physically connected to the SCSI bus —...
Page 25 2. Ensure that the power cable is connected to each hard drive. 3. Ensure that the stripe volume drives have not been moved. For additional assistance, contact Dell. NOTICE: The following procedure may delete all the information that is currently on your hard drives.
Page 26 While you work, periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components. Open the computer cover. 7. Locate the battery socket. For the Dell Precision 450 computer, see "System Board Components" or for the Dell Precision 650 computer, see "System...
Page 27 NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer. 10. Close the computer cover, and plug your computer and devices into electrical outlets. Enter system setup and restore the settings you recorded in step 12.
Page 28: Installing A Card
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. NOTE: To meet PC99 requirements, your Dell computer uses only PCI slots. ISA cards are not supported.
Page 29 Verify that the standby power light on the system board is off. To locate this light, see the system board illustration (for the Dell Precision 450 computer, see"System Board...
Page 30 filler bracket alignment bar alignment guide retention arm 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.
Page 31: Removing A Card
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"...
Page 32 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: Enter system...
Page 33: Before Cleaning Your Computer
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 CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the System Information Guide.
Page 34: Cds And Dvds
CDs and DVDs 1. Hold the disc by its outer edge. It is okay to touch the inside edge of the center hole. NOTICE: To prevent damaging the surface, do not wipe in a circular motion around the disc. 2.
Page 35: Getting Help
Online Services You can access Dell Support at support.dell.com. Select your region on the WELCOME TO DELL SUPPORT page, and fill in the requested details to access help tools and information. You can contact Dell electronically using the following addresses: World Wide Web...
Page 36: Problems With Your Order
Product Information If you need information about additional products available from Dell, or if you would like to place an order, visit the Dell website at www.dell.com. For the telephone number to call to speak to a sales specialist, see the contact numbers for your region.
Page 37: Contacting Dell
Toll-free numbers are for use within the country for which they are listed. When you need to contact Dell, use the electronic addresses, telephone numbers, and codes provided in the following table. If you need assistance in determining which codes to use, contact a local or an international operator.
Page 38 Customer Technical Support (Penang, Malaysia) 604 633 4966 Customer Service (Penang, Malaysia) 604 633 4949 Country Code: 673 Transaction Sales (Penang, Malaysia) 604 633 4955 Canada (North York, Ontario) Online Order Status: www.dell.ca/ostatus AutoTech (automated technical support) toll-free: 1-800-247-9362 International Access Code: 011 TechFax toll-free: 1-800-950-1329 Customer Care (Home Sales/Small Business) toll-free: 1-800-847-4096...
Page 39 02 2186 27 14 City Code: 2 TechFax 02 2186 27 28 Switchboard 02 2186 27 11 Denmark (Copenhagen) Website: support.euro.dell.com E-mail Support (portable computers): den_nbk_support@dell.com International Access Code: 00 E-mail Support (desktop computers): den_support@dell.com Country Code: 45 E-mail Support (servers): Nordic_server_support@dell.com Technical Support 7023 0182 Customer Care (Relational) 7023 0184...
Page 40 Country Code: 81 Technical Support (Dimension™ and Inspiron™) toll-free: 0120-198-226 Technical Support outside of Japan (Dimension and Inspiron) 81-44-520-1435 City Code: 44 Technical Support (Dell Precision™, OptiPlex™, and Latitude™) toll-free:0120-198-433 Technical Support outside of Japan (Dell Precision, OptiPlex, and Latitude) 81-44-556-3894 Faxbox Service 044-556-3490 24-Hour Automated Order Service 044-556-3801 Customer Care 044-556-4240 Business Sales Division (up to 400 employees) 044-556-1465...
Page 41 Website: support.euro.dell.com International Access Code: 00 E-mail (Technical Support): Country Code: 31 (Enterprise): nl_server_support@dell.com City Code: 20 (Latitude): nl_latitude_support@dell.com (Inspiron): nl_inspiron_support@dell.com (Dimension): nl_dimension_support@dell.com (OptiPlex): nl_optiplex_support@dell.com (Dell Precision): nl_workstation_support@dell.com Technical Support 020 674 45 00 Technical Support Fax 020 674 47 66 Home/Small Business Customer Care 020 674 42 00...
Page 42 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 E-mail (New Zealand): nz_tech_support@dell.com E-mail (Australia): au_tech_support@dell.com International Access Code: 00 Home and Small Business 0800 446 255 Country Code: 64 Government and Business 0800 444 617...
Page 43 E-mail: swe_support@dell.com International Access Code: 00 E-mail Support for Latitude and Inspiron: Swe-nbk_kats@dell.com Country Code: 46 E-mail Support for OptiPlex: Swe_kats@dell.com City Code: 8 E-mail Support for Servers: Nordic_server_support@dell.com Technical Support 08 590 05 199 Relational Customer Care 08 590 05 642...
Page 44 Dell Outlet Store (Dell refurbished computers) toll-free: 1-888-798-7561 Software and Peripherals Sales toll-free: 1-800-671-3355 Spare Parts Sales toll-free: 1-800-357-3355 Extended Service and Warranty Sales toll-free: 1-800-247-4618 toll-free: 1-800-727-8320 Dell Services for the Deaf, Hard-of-Hearing, or Speech-Impaired toll-free: 1-877-DELLTTY (1-877-335-5889) U.S. Virgin Islands General Support 1-877-673-3355 Venezuela General Support 8001-3605 ...
Page 45: About Your Computer-Dell Precision
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 1 floppy-drive light The floppy-drive light is on when the computer reads data from or writes data to the floppy drive. Wait until this light turns off before button you remove the floppy disk from the drive.
Page 46 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 the appropriate connector.
Page 47: Inside Your Computer
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.
Page 48: System Board Components
I/O panel Yellow pull tab System Board Components CD/DVD drive connector (IDE2) 14 PCI card connectors (PCI1, PCI2 [32-bit connectors], and PCI3 [64-bit PCI-X connector]) I/O panel (I/O PANEL) 15 telephony connector (MODEM) floppy drive connector (DISKETTE) 16 AGP card connector (AGP) memory module connectors (DIMM_1, DIMM_2, DIMM_3, 17 VRM connector (VRM) (for a second microprocessor only) DIMM_4)
Page 49: Ide Drive Addressing
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: Two hard drives (Your computer supports SCSI with an add-in controller, IDE, and Serial ATA.) One floppy drive Two CD or DVD drives ...
Page 50: Scsi Device Installation Guidelines
Serial ATA hard drive to a system that was not originally equipped with one and the drive you are adding requires the new style Serial ATA power connector, you may need to obtain a power adapter cable from Dell. If you need a Serial ATA power adapter cable, see...
Page 51: Hard Drive
SCSI Cables Ultra 320 (optional on the Dell Precision 450 computer), Ultra 160/m and Ultra2/Wide LVD drives (typically hard drives) both use a 68-pin cable. One end of the cable attaches to the SCSI connector on the system board or the SCSI controller card installed in your computer. The remaining connectors on the cable attach to the various drives.
Page 52: Removing A Hard Drive
NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack. 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.
Page 53 1 power cable 2 serial ATA hard-drive cable 2. Press in on the tabs on each side of the drive and slide the drive up and out. IDE/SCSI Drive tab (2) hard drive Serial ATA Drive ...
Page 54: Installing A Hard Drive
tab (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 secure each rail to the drive.
Page 55 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. ...
Page 56 hard-drive cable power cable Serial ATA Drive 1 power cable 2 serial ATA hard-drive cable 7. Check all connectors to be certain that they are properly cabled and firmly seated. 8. Close the computer cover. NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.
Page 57: Removing A Floppy Drive
14. Partition and logically format your drive before you proceed to the next step. See the documentation for your operating system for instructions. 15. Test the hard drive by running the Dell Diagnostics. 16. If the drive you just installed is the primary drive, install your operating system on the hard drive.
Page 58: Installing A Floppy Drive
3 floppy-drive connector (DSKT) 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. tabs (2) floppy drive 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 to the drive.
Page 59 See the documentation that came with the drive for instructions on installing any software required for drive operation. Enter system setup and update the appropriate Diskette Drive A option to reflect the size and capacity of your new floppy drive. 9. To verify that your computer works correctly, run the Dell Diagnostics.
Page 60: Removing A Cd/Dvd Drive
CD/DVD Drive CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the System Information 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 computer, turn them off now.
Page 61: Installing A Cd/Dvd Drive
2. Connect the new drive to the set of rails that are attached to the inside of the computer cover. If a set of rails is not attached inside the cover, see Contacting Dell for the number to call for assistance.
Page 62 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.
Page 63 11. Update your configuration information by setting the appropriate Drive option (0 or 1) under Drives: Secondary to Auto. See "Primary Drive n and Secondary Drive n" for more information. 12. To verify that your computer works correctly, run the Dell Diagnostics Back to Contents Page ...
Page 64: Regulatory Notices
Using shielded cables ensures that you maintain the appropriate EMC classification for the intended environment. For parallel printers, a cable is available from Dell. If you prefer, you can order a cable from Dell on the World Wide Web at accessories.us.dell.com/sna/category.asp?category_id=4117.
Page 65: Energy Star Compliance
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 (Class A or B) applies to your computer system (or other Dell digital apparatus), examine all registration labels located on the bottom or the back panel of your computer (or other digital apparatus).
Page 66 MIC Notice (Republic of Korea Only) To determine which classification (Class A or B) applies to your computer (or other Dell digital device), examine the Republic of Korean Ministry of Information and Communications (MIC) registration labels located on your computer (or other Dell digital device). The MIC label may be located separately from the other regulatory marking applied to your product.
Page 67: Class A Device
NOTE: MIC emissions requirements provide for two classifications: Class A devices are for business purposes. 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 may exchange it for a nonbusiness-purpose device.
Page 68: Bsmi Notice (Taiwan Only)
BSMI Notice (Taiwan Only)
Page 69: Nom Information (Mexico 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): Exporter: Dell Computer Corporation One Dell Way Round Rock, TX 78682 Importer: Dell Computer de México,...
Page 70: Ergonomic Computing Habits
For comfort and efficiency, observe the following ergonomic guidelines when setting up and using your computer: Position your computer so that the monitor and keyboard are directly in front of you as you work. Special shelves are available (from Dell and other sources) to help you correctly position your keyboard.
Page 72: Removing And Installing Parts-Dell Precision
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 Cover Back to Contents Page ...
Page 73: Removing The Microprocessor Airflow Shroud
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 CAUTION: Before you perform this procedure, follow the safety instructions in the System Information Guide. 1. Shut down the computer through the Start menu.
Page 74: Installing The Microprocessor Airflow Shroud
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.
Page 75 Back to Contents Page Ergonomic Computing Habits Dell Precision™ Workstations 450 and 650 User's Guide CAUTION: Improper or prolonged keyboard use may result in injury. CAUTION: Viewing the monitor screen for extended periods of time may result in eye strain. For comfort and efficiency, observe the following ergonomic guidelines when setting up and using your computer workstation: Position your computer so that the monitor and keyboard are directly in front of you as you work.
Page 76 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 ...
Page 77 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 AC — alternating current — The form of electricity that powers your computer when you plug the AC adapter power cable into an electrical outlet.
Page 78 A connector on the computer's system board where you insert an expansion card, connecting it to the system bus. Express Service Code — A numeric code located on a sticker on your Dell™ computer. Use the Express Service Code when contacting Dell for assistance. Extended Display Mode — A display setting that allows you to use a second monitor as an extension of your display. Also referred to as dual display mode.
Page 79 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 —...
Page 80 Memory — A temporary data storage area inside your computer. Because the data in memory is not permanent, Dell recommends that you frequently save your files while you are working on them, and always save your files before you shut down the computer. Your computer can contain several different forms of memory, such as RAM, ROM, and video memory.
Page 81 An I/O port often used to connect devices such as a handheld digital device or digital camera to your computer. Service tag — A bar code label on your computer that identifies your computer when you access Dell Support at support.dell.com or when you call Dell for customer or technical support.
Page 82 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. TAPI —...
Page 83: Information About Your Computer
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 A diagnostic program for my computer Drivers and Utilities CD (also know as the ResourceCD) Drivers for my computer...
Page 84 Dell Premier Support Website — premiersupport.dell.com Top technical issues for my computer Frequently asked questions The Dell Premier Support website is customized for corporate, government, and education customers. This File downloads site may not be available in all regions. Details on my computer's configuration Service contract for my computer...
Page 85: Specifications
FSB clock 400- or 533-MHz data rate Video Type Dell Precision 650 computer — AGP Pro 110 at 8x/4x/2x/1x (1.5 V) or PCI Dell Precision 450 computer — AGP Pro 50 at 8x/4x/2x/1x (1.5 V) or PCI Audio...
Page 86 NOTE: You can purchase a conversion bracket from Dell that allows you to use a 5.25-inch drive bay as an additional hard drive bay. Dell Precision 450 computer two bays for two 1-inch high or one 1.6-inch high hard drives ...
Page 87 Power DC power supply: Wattage Dell Precision 650 computer: 460 W Dell Precision 450 computer: 360 W Heat dissipation Dell Precision 650 computer: 1000 BTU/hr Dell Precision 450 computer: 910 BTU/hr Voltage 90 to 135 V at 50/60 Hz;...
Page 88: Caring For Your Computer
Dell Precision 450 computer: nonoperating (half-sine pulse) 105 G, 2 ms nonoperating (faired-square wave) 32 G wtih a velocity change of 596 cm/sec (200 inches/sec) Altitude: Operating –15 to 3048 m (–50 to 10,000 ft) NOTE: At 35°C (95°F), the maximum operating altitude is 914 m (3000 ft).
Page 89: Front View Of The Computer (Doors Open)
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 1 drive door Open the drive door to access the floppy and CD/DVD drives. 2 hard-drive The hard-drive light is on when the computer reads data from or writes data to the hard drive.
Page 90: Opening The Drive Door
1 floppy drive Access the floppy drive. 2 headphone Attach headphones. connector 3 microphone Attach microphone. connector 4 USB 2.0 Use the front USB connectors for devices connectors (2) that you connect occasionally, such as joysticks or cameras. It is recommended that you use the back USB connectors for devices that typically remain connected, such as printers and keyboards.
Page 91 Back View 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.
Page 92 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 same address.
Page 93 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 Cable Colors ...
Page 94 CD/DVD drive connector (IDE2) 15 standby power light (AUX_PWR_LED) 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]) floppy-drive connector (DISKETTE) 17 telephony connector (MODEM) memory module connectors (DIMM_1, DIMM_2, DIMM_3, 18 AGP card connector (AGP) DIMM_4) suspend-to-RAM light (STR_LED)
Page 95: Closing The Computer Cover
If your computer has a baffle, ensure that the baffle is correctly positioned by guiding it into place as you lower the cover. c. Press down on the cover to close it. d. Once the cover is closed, slide the release latch to the right until the latch clicks into place. Dell Precision 650 ...
Page 96 cover release latch padlock ring 4. If you are using a padlock to secure your computer, install the padlock. NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer. 5.
Page 97: Opening The Computer Cover
8. Ground yourself by touching an unpainted metal surface on the computer, such as the metal at the back of computer, before touching anything inside your computer. While you work, periodically touch any unpainted metal surface on the computer to dissipate any static electricity that could harm internal components. Dell Precision 650 ...
Page 98 security cable slot cover release latch padlock ring Back to Contents Page ...
Page 99: Installing The Microprocessor
While you work, periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components. 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...
Page 100: Removing The Microprocessor
14. Replace the retention module clips. 15. If you installed a microprocessor replacement kit from Dell, return the original heat sink assembly and microprocessor to Dell in the same package in which your replacement kit was sent.
Page 101 NOTICE: If you are installing a microprocessor upgrade kit from Dell, discard the original heat sink. If you are not installing a microprocessor upgrade kit from Dell, reuse the original heat sink when you install your new microprocessor. 8. Remove the microprocessor heat sink: a.
Page 102 If you are removing a second microprocessor and not installing another one, remove the VRM and then continue with step 9. 11. Replace the airflow shroud (for the Dell Precision 650 computer, see "Microprocessor Airflow Shroud" or for the Dell Precision 450 computer, see "Microprocessor Airflow...
Page 103 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: Three hard drives (Your computer supports IDE, Serial ATA, and SCSI.) One floppy drive Three CD or DVD drives (One bay may be used for additional hard drive using an add-in bay bracket.) ...
Page 104 This section describes how to configure and install SCSI devices in your computer. To install a SCSI device, you can use one or both of the following SCSI controllers: The SCSI connector on the system board. To locate the SCSI system board connector, see the system board illustration (for the Dell Precision 450 computer, see "System Board...
Page 105 ID, your computer may hang during POST and in SCSI BIOS. SCSI devices installed by Dell are configured correctly during the manufacturing process. You do not need to set the SCSI ID for these SCSI devices.
Page 106 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. NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack. 4.
Page 107 1 power cable 2 serial ATA hard-drive cable 2. Press in on the tabs on each side of the drive and slide the drive up and out. IDE/SCSI Drive tab (2) hard drive Serial ATA Drive ...
Page 108 tab (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 secure each rail to the drive.
Page 109 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. ...
Page 110 power cable hard-drive cable Serial ATA Drive 1 power cable 2 serial ATA hard-drive cable 8. Check all connectors to be certain that they are properly cabled and firmly seated. 9. Close the computer cover. NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.
Page 111 15. Partition and logically format your drive before you proceed to the next step. See the documentation for your operating system for instructions. 16. Test the hard drive by running the Dell Diagnostics. 17. If the drive you just installed is the primary drive, install your operating system on the hard drive.
Page 112 power cable floppy-drive cable 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. tab (2) floppy drive Installing a Floppy Drive...
Page 113 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 tightening all four screws (two screws on each rail).
Page 114 See the documentation that came with the drive for instructions on installing any software required for drive operation. Enter system setup and update the appropriate Diskette Drive A option to reflect the size and capacity of your new floppy drive. 9. To verify that your computer works correctly, run the Dell Diagnostics. CD/DVD Drive ...
Page 115 CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover. NOTICE: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the computer.
Page 116 2. Connect the new drive to the set of rails that are attached to the inside of the cover. If a set of rails is not attached inside the computer cover, call Dell.
Page 117 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.
Page 118 11. Update your configuration information by setting the appropriate Drive option (0 or 1) under Drives: Secondary to Auto. See "Primary Drive n and Secondary Drive n" for more information. 12. Verify that your computer works correctly by running the Dell Diagnostics. Back to Contents Page ...
Page 119: Installing A Vrm
Shroud"). 2. Press the securing clips at each end of the VRM connector outward until they snap open. To locate the VRM connector, see the system board components illustration (for the Dell Precision 450 computer, see "System Board Components" or for the Dell Precision 650 computer, see "System Board...
Page 120: Removing A Vrm
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"...
Page 121: Memory Installation Guidelines
Components" or for the Dell Precision 650 computer, see "System Board Components") or the system board label inside your computer. Before you install new memory modules, download the most recent BIOS for your computer from the Dell Support website at support.dell.com. Memory Module Label ...
Page 122: Removing A Memory Module
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. If the total installed computer memory is less than the usable space, all installed computer memory is available for use only by the operating system. If the total installed computer memory is equal to or greater than the usable address space, a small portion of installed memory is available for use by the operating system.
Page 123 9. Open the computer cover and check the installed memory modules to ensure that they are seated properly in their sockets. Then repeat steps step 4 through step 10. When the System Memory total is correct, press <Esc> to exit system setup. 11. Run the Dell Diagnostics to verify that the memory modules are operating properly. Back to Contents Page ...
Page 124 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 Contents Page ...
Page 125 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 CAUTION: Before you perform this procedure, follow the safety instructions in the System Information Guide. 1. Shut down the computer through the Start menu.
Page 126 1 airflow shroud 2 indentations (2) 3 bottom anchor tabs (2) 4 side anchor tabs (2) 5 top anchor tabs (2) 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.
Page 127 Using shielded cables ensures that you maintain the appropriate EMC classification for the intended environment. For parallel printers, a cable is available from Dell. If you prefer, you can order a cable from Dell on the World Wide Web at accessories.us.dell.com/sna/category.asp?category_id=4117.
Page 128 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 (Class A or B) applies to your computer system (or other Dell digital apparatus), examine all registration labels located on the bottom, side, or the back panel of your computer (or other digital apparatus).
Page 129: Simplified Chinese Class A Warning Notice (China 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, expansion cards, printers, input/output (I/O) devices, monitors, and so on, integrated into or connected to the system should match the electromagnetic environment classification (Class A or B) of the computer system.
Page 130 MIC Notice (Republic of Korea Only) To determine which classification (Class A or B) applies to your computer (or other Dell digital device), examine the Republic of Korean Ministry of Information and Communications (MIC) registration labels located on your computer (or other Dell digital device). The MIC label may be located separately from the other regulatory marking applied to your product.
Page 131 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. ...
Page 132 BSMI Notice (Taiwan Only) If you find a mark on the regulatory label on the bottom, side, or back panel of your computer, the following section is applicable: ...
Page 133 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): Exporter: Dell Computer Corporation One Dell Way Round Rock, TX 78682 Importer: Dell Computer de México, ...
Page 134: Solving Problems
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 IEEE 1394 Device Problems Keyboard Problems Memory Problems Microprocessor Problems Mouse Problems Network Problems...
Page 135: Floppy Drive Problems
If your primary hard drive is connected to a drive controller card and not to one of the system board IDE connectors, leave the drive controller card installed in the computer. Close the computer cover, reconnect the computer and devices to electrical outlets, and turn them on. 4. Run the Dell Diagnostics. If any of the tests fail, contact Dell.
Page 136: Problems Writing To A Cd-Rw Drive
Before you begin any of the procedures in this section, follow the safety instructions in the System Information Guide. Remove and reinstall the floppy drive — For the Dell Precision™ 650 computer, see "Removing a Floppy Drive" or for the Dell Precision 450 computer, see "Removing a Floppy Drive" for information on performing this procedure.
Page 137: Dropped Or Damaged Computer
If the Tools tab isn't available or to further troubleshoot the drive, select the Hardware tab, click the drive you want to troubleshoot, and then click Troubleshoot. Run the Dell Diagnostics — If the tests indicate a faulty drive or drive controller, contact Dell.
Page 138: Error Messages
Alert! Chipset Heatsink Not Detected — The heat sink is not properly installed on the system board. Reseat the heat sink on the system board. See the system board illustration for your computer (for the Dell Precision 650 computer, see "System Board Components"...
Page 139 "Floppy drive problems" for troubleshooting suggestions. Diskette subsystem reset failed — The floppy drive controller might be faulty. Run the Dell Diagnostics. Diskette write protected — The floppy disk is write-protected. Slide the write-protect notch to the open position. Drive not ready —...
Page 140 Diagnostics. WARNING: Dell's Disk Monitoring System has detected that drive [0/1] on the [primary/secondary] EIDE controller is operating outside of normal specifications. It is advisable to immediately back up your data and replace your hard drive by calling your support desk or Dell —...
Page 141: General Problems
General Problems The computer stops responding Turn the computer off — If your computer locks up and you are unable to get a response by pressing a key on your keyboard or moving your mouse, press and hold the power button for at least 8 to 10 seconds until the computer turns off. Then press the power button again to turn on the computer.
Page 142: Ieee 1394 Device Problems
Go to support.dell.com for help with general usage, installation, and troubleshooting questions.The support website offers several different tools to help you such as Dell Forum — a chat room where you can communicate with other Dell customers about their computers and gain access to technical support through e-mail. See "Finding Information for Your...
Page 143: Memory Problems
Some keyboards have switch settings that are on the bottom of the keyboard, sometimes behind a panel. Ensure that the switch is set to PS/2, Enhanced XT/AT, or PC/AT. See the keyboard documentation for recommended settings. Run the Dell Diagnostics — Run the Dell Diagnostics.
Page 144: Mouse Problems
If two microprocessors are installed, ensure that a VRM is installed for the second microprocessor. Remove and reinstall the microprocessor. Run the System Board Devices and Processor Cache test groups in the Dell Diagnostics. Verify that the VRM is working: If two microprocessors are installed, ensure that a VRM is properly installed for the second microprocessor.
Page 145: Power Problems
Multiple power strips connected to the same electrical outlet Printer Problems NOTE: Dell does not cover the printer's warranty. If you need technical assistance for your printer, call the printer's manufacturer. See the printer documentation for the correct phone number. Check the printer documentation —...
Page 146: Serial Or Parallel Device Problems
If the problem occurs with particular software, see the software documentation for the recommended serial or parallel port settings. Ensure that the port settings match the recommended settings. Run the Dell Diagnostics — If the tests do not complete, contact Dell.
Page 147: No Sound From Headphones
6. Uncheck the Enable digital CD audio for this CD-ROM device box. System Board Problems Fill out the Diagnostics Checklist as you complete the following checks. Run the Dell Diagnostics — Restart the computer and run t the Dell Diagnostics. If any of the tests fail, contact Dell.
Page 148: Video And Monitor Problems
Primary Video Controller under the Integrated Devices option is set correctly. For an AGP card, set Primary Video Controller to AGP. For a PCI card, set Primary Video Controller to Auto. Exit system setup and restart the computer. Run the Dell Diagnostics — If any tests fail, contact Dell.
Page 149 Agency. As an ENERGY STAR partner, Dell Computer Corporation has determined that this product meets the ENERGY STAR guidelines for energy efficiency. Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Computer Corporation disclaims any proprietary interest in trademarks and trade names other than its own.
Page 150: Warranty And Return Policy
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 warranty for your computer, see the System Information Guide.
Page 151: Your Operating System
NOTE: The Dell Drivers and Utilities CD contains drivers that were factory-installed during assembly of the computer. Use the Drivers and Utilities CD to load any required drivers, including those drivers required if your computer has a redundant array of independent disks (RAID) controller.
Page 152: Reinstalling Microsoft Windows 2000
The Operating System CD provides options for reinstalling Windows 2000. The options can overwrite files and possibly affect programs installed on your hard drive. Therefore, do not reinstall Windows 2000 unless instructed to do so by a Dell technical support representative.
Page 153: Transferring Information To A New Computer
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 Next. 16.
Page 154: Control Panel
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.
Page 155: Adding User Accounts
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.

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