Dell™ OptiPlex™ 980 Service Manual—Desktop Working on Your Computer Specifications Removing and Replacing Parts System Board Layout System Setup Diagnostics Notes, Cautions, and Warnings NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indicates potential damage to hardware or loss of data if instructions are not followed. WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
Back to Contents Page Working on Your Computer Dell™ OptiPlex™ 980 Service Manual—Desktop Before Working Inside Your Computer Recommended Tools Turning Off Your Computer After Working Inside Your Computer Before Working Inside Your Computer Use the following safety guidelines to help protect your computer from potential damage and to help to ensure your personal safety.
Recommended Tools The procedures in this document may require the following tools: Small flat-blade screwdriver Phillips screwdriver Small plastic scribe Flash BIOS update program media Turning Off Your Computer CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off your computer. 1. Shut down the operating system: In Windows® 7: Click Start , then click Shut Down. In Windows Vista®: Click Start Shut Down.
Back to Contents Page Technical Specifications Processor Controls and Lights Memory Network Expansion Bus Audio Video Power System Information System Board Connectors Cards Physical Drives Environmental External Connectors NOTE: Offerings may vary by region. For more information regarding the configuration of your computer, click Start® Help and Support and select the option to view information about your computer.
Memory - Integrated Up to 1759 MB shared video memory (total system memory greater than 512 MB) Audio Integrated Intel high definition audio Network Integrated Integrated Intel 82578DM Gigabit Ethernet capable of 10/100/1000 Mb/s communication System Information Chipset Intel Q57 Express chipset DMA channels eight Interrupt levels 24 BIOS chips (NVRAM) 64 Mb and 16 Mb Expansion Bus Bus type PCI 2.3 PCI Express 2.0 SATA 1.0A and 2.0 eSATA USB 2.
Mini-tower one full-height card Desktop without riser card— one low-profile card with riser card— one full-height card Small form factor one low-profile card PCI Express x1 Mini-tower one wireless card Desktop one wireless card Small form factor one wireless card Drives Externally accessible - 5.25-inch drive bay(s) Mini-tower two bays Desktop one bay Small form factor one slimline bay Externally accessible - 3.
Video one 15-hole VGA connector one 20-pin DisplayPort connector System Board Connectors PCI 2.
start) — indicates a problem with the system board or power supply. Drive activity light blinking blue — indicates that the computer is reading data from or writing data to the hard drive. Network connectivity light blue — indicates that a good connection exists between the network and the computer. off (no light) — indicates that the computer is not detecting a physical connection to the network. Diagnostic lights four amber lights on the front panel. For more information, see Diagnostics.
Small form factor 921 BTU/hr (EPA) 1235 BTU/hr (non-EPA) Voltage 100–240 VAC Coin-cell battery 3 V CR2032 lithium coin cell NOTE: Heat dissipation is calculated by using the power supply wattage rating. Physical Height Mini-tower 40.80 cm (16.06 inches) Desktop 39.70 cm (15.62 inches) Small form factor 29.0 cm (11.41 inches) Mini-tower 18.70 cm (7.36 inches) Desktop 10.90 cm (4.29 inches) Small form factor 8.50 cm (3.34 inches) Mini-tower 43.10 cm (16.96 inches) Desktop 34.80 cm (13.
ft) Airborne contaminant level Back to Contents Page G2 or lower as defined by ISA-S71.
Back to Contents Page Removing and Replacing Parts Dell™ OptiPlex™ 980 Service Manual—Desktop Cover Internal Speaker Front Panel Front Thermal Sensor Optical Drive Power Supply Hard Drive I/O Panel Expansion Cards Control Panel Wireless Module Intrusion Switch Processor Fan Coin-Cell Battery Heat Sink and Processor System Board Memory Back to Contents Page
Back to Contents Page System Board Layout Dell™ OptiPlex™ 980 Service Manual—Desktop 1 service mode jumper (Service_Mode) 2 RTC reset jumper (RTCRST) 3 battery socket (BATTERY) 4 PCI card connectors ( SLOT 2 & 3) 5 PCI Express x16 card connector(SLOT1) 6 PCI Express x16 (wired as x4) connector (Slot 4) 7 internal serial card connector (Serial2) 8 speaker connector (INT_SPKR) 9 PCI Express x1 wireless card connector (PCIE_WLS1) 10 thermal sensor connector THRM3) 11 fan connector (FAN_
Back to Contents Page System Setup Dell™ OptiPlex™ 980 Service Manual—Desktop Boot Menu Navigation Keystrokes Entering System Setup System Setup Menu Options Boot Menu Press or when the Dell™ logo appears to initiate a one-time boot menu with a list of the valid boot devices for the system.
Microcode Version, Multi Core Capable and HT Capable 64-bit Technology. PCI information: Displays available slots on the system board. Date/Time Displays the system date and time. Changes to the system date and time take effect immediately. Boot Sequence Specifies the order in which the computer attempts to find an operating system from the devices specified in this list.
Video Primary Video This field determines which video controller will become the primary video controller when 2 controllers are available in the system. This selection matters only if there are 2 video controller present. Auto(default) - Use the add-in video controller. Onboard/Card - Use the integrated video controller unless a Graphic care is installed. A PCI Express Graphic(PEG) card will overide and disable the integrated video controller.
Deactivate (default) Activate Clear When TPM Security is set to Clear, the system setup program clears the owner information stored in the TPM. Use this setting to restore the TPM to its default state if you lose or forget the owner authentication data. CPU XD Support Enables or disables the execute disable mode of the processor. This option is enabled by default. Computrace(R) Enables or disables the optional Computrace® service designed for asset management.
Some graphics cards require the SERR Message mechanism be disabled. Image Server Lookup Method Specifies how the ImageServer looks up the server address. Static IP DNS NOTE: You must set the Integrated NIC to Enable with ImageServer to set the Lookup Method. ImageServer IP Specifies the primary static IP address of the ImageServer with which the client software communicates. The default IP address is 255.255.255.
Back to Contents Page Diagnostics Dell™ OptiPlex™ 980 Service Manual—Desktop Dell Diagnostics Power Button Light Codes Beep Codes Diagnostic Lights Dell Diagnostics When to Use the Dell Diagnostics It is recommended that you print these procedures before you begin. NOTE: The Dell Diagnostics software works only on Dell computers. NOTE: The Drivers and Utilities media is optional and may not ship with your computer.
4. Select the Boot from CD-ROM option from the menu that appears and press . 5. Type 1 to start the menu and press to proceed. 6. Select Run the 32 Bit Dell Diagnostics from the numbered list. If multiple versions are listed, select the version appropriate for your computer. 7. When the Dell Diagnostics Main Menu appears, select the test you want to run. Dell Diagnostics Main Menu 1. After the Dell Diagnostics loads and the Main Menu screen appears, click the button for the option you want.
Power is off, light is blank. Blinking Amber Solid Amber Blinking Green Solid Green Initial state of light at power up. Indicates system has power, but the POWER_GOOD signal is not yet active. If the Hard Drive light is off, it is probable that the power supply needs to be replaced. If the Hard Drive light on, it is probable that an onboard regulator or VRM has failed. Look at the diagnostic lights for further information. Second state of the light at power up.
4-2-1 No time tick 4-2-2 Shutdown failure 4-2-3 Gate A20 failure 4-2-4 Unexpected interrupt in protected mode 4-3-1 Memory failure above address 0FFFFh 4-3-3 Timer-chip counter 2 failure 4-3-4 Time-of-day clock stopped 4-4-1 Serial or parallel port test failure 4-4-2 Failure to decompress code to shadowed memory 4-4-3 Math coprocessor test failure 4-4-4 Cache test failure 1-1-2 Microprocessor register failure 1-1-3 NVRAM read/write failure 1-1-4 ROM BIOS checksum failure 1-2-1 P
4-4-3 Math-coprocessor test failure 4-4-4 Cache test failure Diagnostic Lights To help troubleshoot a problem, your computer has four lights labeled 1, 2, 3, and 4 on the bank panel. When the computer starts normally, the lights flash before turning off. If the computer malfunctions, the sequence of the lights help to identify the problem. NOTE: After the computer completes POST, all four lights turn off before booting to the operating system.
failure has occurred. Power connector not installed properly. Possible peripheral card or system board failure has occurred. A possible system board failure has occurred. A possible coin cell battery failure has occurred. The computer is in a normal on condition. The diagnostic lights are not lit after the computer successfully boots to the operating system. A possible processor failure has occurred. Memory modules are detected, but a memory failure has occurred.
configuration or compatibility error has occurred. A possible expansion card failure has occurred. Another failure has occurred. Back to Contents Page Ensure that the memory you are using is supported by your computer. Determine if a conflict exists by removing an expansion card (not a graphics card) and restarting the computer. If the problem persists, reinstall the card you removed, then remove a different card and restart the computer. Repeat this process for each expansion card installed.
Back to Contents Page Cover Dell™ OptiPlex™ 980 Service Manual—Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Cover NOTE: You may need to install Adobe Flash Player from Adobe.com to view the following illustrations. 1. Follow the procedures in Before Working Inside Your Computer. 2.
3. Tilt the computer cover outwards from the top, and then remove it from the computer. Replacing the Cover To replace the cover, perform the above steps in reverse order.
Back to Contents Page Cover Dell™ OptiPlex™ 980 Service Manual—Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Cover NOTE: You may need to install Adobe Flash Player from Adobe.com to view the following illustrations. 1. Follow the procedures in Before Working Inside Your Computer. 2.
3. Tilt the computer cover outwards from the top, and then remove it from the computer. Replacing the Cover To replace the cover, perform the above steps in reverse order.
Back to Contents Page Front Panel Dell™ OptiPlex™ 980 Service Manual—Desktop Removing the Front Panel 1. Follow the procedures in Before Working Inside Your Computer. 2. Gently pry the front panel retention clips away from the computer. 4. Remove the front panel from the chassis.
Replacing the Front Panel To replace the front panel, perform the above steps in reverse order.
Back to Contents Page Optical Drive Dell™ OptiPlex™ 980 Service Manual—Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Optical Drive 1. Follow the procedures in Before Working Inside Your Computer. 2. Disconnect the data and power cables from the back of the optical drive.
3. Pull up the drive-release latch and then slide the optical drive towards the back of the computer. 4. Lift up to remove the optical drive from the computer.
Replacing the Optical Drive To replace the optical drive, perform the steps above in reverse order.
Back to Contents Page Hard Drive Dell™ OptiPlex™ 980 Service Manual—Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Hard Drive 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the optical drive from the computer. 3. Lift the hard-drive cage and remove it from the computer.
4. Disconnect the data and power cables. 5. Press in on the blue securing tabs on each side of the drive, and then remove the hard drive.
6. Release the screws from the first hard drive. 7. Remove the primary hard drive from the bay.
8. Release the screws from the second hard drive (if available). 9. Remove the secondary hard drive from the bay.
Replacing the Hard Drive To replace the hard drive, perform the above steps in reverse order.
Back to Contents Page Expansion Cards Dell™ OptiPlex™ 980 Service Manual—Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing Expansion Cards 1. Follow the procedures in Before Working Inside Your Computer. 2. Lift up the expansion card riser handle.
3. Pull up the expansion card riser. 4. Unlock the expansion card retention.
5. Lift the securing lever and then remove the expansion card from the riser. Replacing Expansion Cards To replace expansion cards, perform the above steps in reverse order.
Back to Contents Page Wireless Module Dell™ OptiPlex™ 980 Service Manual—Desktop Removing the Wireless Module 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the expansion card riser. 3. Lift and release the wireless antenna port from the computer. 4. Release the wireless antenna.
5. Press in on the blue tab that secures the wireless card assembly to the computer and lift the wireless card assembly up and away from the computer.
6. Remove the metal cover from the wireless card assembly. 7. Disconnect the two antennae.
8. Remove the Wireless Local Area Network (WLAN) card from the socket. 9. Remove the antennae from the bracket.
10. Remove the WLAN board from the bracket. Replacing the Wireless Module To replace the wireless module, perform the above steps in reverse order.
Back to Contents Page Fan Dell™ OptiPlex™ 980 Service Manual—Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Fan 1. Follow the procedures in Before Working Inside Your Computer. 2. Disconnect the fan power cable from the system board.
3. Remove the screws that secure the fan-shroud to the computer. 4. Lift the fan and remove it from the computer.
Replacing the Fan To replace the fan, perform the above steps in reverse order.
Back to Contents Page Heat Sink and Processor Dell™ OptiPlex™ 980 Service Manual—Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Heat Sink and Processor 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the expansion card riser. 3.
4. Loosen the captive screws that secure the heat sink to the system board. 5. Lift the heat sink and remove it from the computer.
6. Slide the release lever from under the center-cover latch and rotate the release lever upward. 7. Lift the processor cover.
8. Remove the processor from the computer. CAUTION: When replacing the processor, do not touch any of the pins inside the socket or allow any objects to fall on the pins in the socket. Replacing the Heat Sink and Processor To replace the heat sink and processor, perform the above steps in reverse order.
Back to Contents Page Memory Dell™ OptiPlex™ 980 Service Manual—Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Memory Module(s) 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the optical drive. 3. Press down on the memory retention clips to release the memory module. 4.
Replacing the Memory Module(s) To replace the memory module(s), perform the above steps in reverse order.
Back to Contents Page Internal Speaker Dell™ OptiPlex™ 980 Service Manual—Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Internal Speaker 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the wireless module. 3. Disconnect the internal speaker cable.
4. Press the speaker securing tab and remove the speaker. Replacing the Internal Speaker To replace the internal speaker, perform the above steps in reverse order.
Back to Contents Page Front Thermal Sensor Dell™ OptiPlex™ 980 Service Manual—Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Front Thermal Sensor 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the processor fan. 3.
4. Release the hook to remove the front thermal sensor. Replacing the Front Thermal Sensor To replace the front thermal sensor, perform the above steps in reverse order.
Back to Contents Page Power Supply Dell™ OptiPlex™ 980 Service Manual—Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Power Supply 1. 2. 3. 4. Follow the procedures in Before Working Inside Your Computer. Remove the optical drive. Remove the hard drive and heat sink and processor.
5. Disconnect the processor power connector from the system board. 6. Release the processor power connector cable from their routing guides under the system board.
7. Remove the screws that secure the power supply to the back of the chassis. 8. Press the power-supply release latch at the bottom of the chassis and then slide the power supply towards the front of the computer.
9. Lift the power supply up and away from the computer. Replacing the Power Supply To replace the power supply, perform the above steps in reverse order.
Back to Contents Page I/O Panel Dell™ OptiPlex™ 980 Service Manual—Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the I/O Panel 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the front panel. 3. Disconnect the I/O-panel cable.
4. Remove the front I/O panel. Replacing the I/O Panel To replace the I/O panel, perform the above steps in reverse order.
Back to Contents Page Control Panel Dell™ OptiPlex™ 980 Service Manual—Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the I/O Panel 1. 2. 3. 4. Follow the procedures in Before Working Inside Your Computer. Remove the front panel. Remove the optical drive. Disconnect the control panel cable.
5. Release the cable.
6. Remove the screw. 7. Remove the control panel from the chassis.
Replacing the Control Panel To replace the control panel, perform the above steps in reverse order.
Back to Contents Page Intrusion Switch Dell™ OptiPlex™ 980 Service Manual—Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Intrusion Switch 1. Follow the procedures in Before Working Inside Your Computer. 2. Disconnect the intrusion-switch cable from the system board.
3. Slide and remove the intrusion switch. Replacing the Intrusion Switch To replace the intrusion switch, perform the steps above in reverse order.
Back to Contents Page Coin-Cell Battery Dell™ OptiPlex™ 980 Service Manual—Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Coin-Cell Battery 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the expansion card riser. 3.
4. Lift the coin-cell battery up and away from the computer. Replacing the Coin-Cell Battery To replace the coin-cell battery, perform the above steps in reverse order.
Back to Contents Page System Board Dell™ OptiPlex™ 980 Service Manual—Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the System Board 1. 2. 3. 4. 5. 6. 7. Follow the procedures in Before Working Inside Your Computer. Remove the optical drive. Remove the heat sink and processor.
8. Remove the screws that secure the system board to the computer chassis. 9. Lift the system board up and away from the computer.
Replacing the System Board To replace the system board, perform the above the steps in reverse order.
