Dell 980 Personal Computer User Manual
Contents
1. 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 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 Follow the procedures in Before Working Inside Your Computer Remove the front panel Remove the optical drive Disconnect the control panel cable AWUN 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 Back to Contents Page Intrusion Switch Dell OptiPlex 980 Service Manual Desktop A 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 Dis2. The TPM Virtualization Technology and Virtualization Technology for Direct I O must be enable to use this feature Execution Enable Intel Trusted Execution Technology This option is disabled by default Security Administrative Provides restricted access to the computer s system setup program in the same way that access to the system can be restricted with the System Password Password option This option is not set by default System Displays the current status of the system s password security feature and allows a new system password to be assigned and verified Password This option is not set by default Password Enables or disables the user from changing the system password without the administrative password Changes This option is enabled by default Admin Setup Enables or disables the user from entering Setup when an Admin password is set Lockout This option is disabled by default Password These fields control the minimum and maximum number of characters allowed for Admin and System passwords Changes to these fields are not Configuration active until they are committed via the apply button or saving changes before exiting setup Admin Password Min e Admin Password Max e System Password Min e System Password Max Strong This field enforces strong passwords If enabled all passwords must contain at least one uppercase character one lowercase character and be at Password least 8 characters long Enabling this featu
3. select the test that you want to run Starting the Dell Diagnostics From the Drivers and Utilities Disc 1 Insert the Drivers and Utilities disc 2 Shut down and restart the computer When the DELL logo appears press lt F12 gt immediately If you wait too long and the Windows logo appears continue to wait until you see the Windows desktop Then shut down your computer and try again 74 NOTE The next steps change the boot sequence for one time only On the next startup the computer boots according to the devices specified in the system setup program 3 When the boot device list appears highlight Onboard or USB CD ROM Drive and press lt Enter gt 4 Select the Boot from CD ROM option from the menu that appears and press lt Enter gt 5 Type 1 to start the menu and press lt Enter gt 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 Express Performs a quick test of devices This test typically takes 10 to 20 minutes and requires no interaction on your Test part Run Express Test first to increase the possibility of tracing the problem quickly Extended Performs a thorough check of devices This
4. 3 Math coprocessor 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 K NOTE After the computer completes POST all four lights turn off before booting to the operating system a Problem F Light Pattern Suggested Resolution The computer is either turned off or not receiving power A possible system board failure has occurred A possible system board power supply or peripheral failure has occurred Memory modules are detected but a memory power failure has occurred A possible CPU or system board failure has occurred BIOS may be corrupt or missing A possible system board Reseat the power cable in the power connector on the back of the computer and the electrical outlet Bypass power strips power extension cables and other power protection devices to verify that the computer turns on properly Ensure that any power strips being used are plugged into an electrical outlet and are turned on Ensure that the electrical outlet is working by testing it with another device such as a lamp Ensure that the main power cable and front panel cable are securely connected to the system board Unplug the computer Allow one minute for the power to drain Plug the
5. Board Connectors PCI 2 3 data width maximum 32 bits PCI Express x16 wired as x4 data width maximum four PCI Express lanes PCI Express x16 data width maximum 16 PCI Express lanes Serial ATA Internal USB one 10 pin connector Supports two USB ports PCI Express x1 wireless card Controls and Lights Front of the computer Power button push button Power light blinking blue indicates that the computer is in sleep state solid blue indicates that the computer is in power on state blinking amber indicates a problem with the system board solid amber when the computer does not 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 Back of the computer Link integrity light on integrated green a good 10 Mbps connection network adapter exists between the network and the computer orange a good 100 Mbps connection exists between the network and the computer yellow a good 1000 Mbps connection exists between the network and the comput
6. Intel i7 and Intel i5 quad core processors Discrete PCI Express x16 slot supports a PCI Express card Memory Integrated Up to 1759 MB shared video memory total system memory greater than 512 MB Integrated Integrated Intel 82578DM Gigabit Ethernet capable of 10 100 1000 Mb s communication Expansion Bus Bus type PCI 2 3 PCI Express 2 0 SATA 1 0A and 2 0 eSATA USB 2 0 wessa OOOO o 133 MB s PCI Express x1 slot wireless only bidirectional speed 500 MB s x16 slot wired as x4 bidirectional speed 2 GB s x16 slot bidirectional speed 8 GB s Desktop without riser card up to two low profile cards with riser card up to two full height cards Small form factor one low profile card PCI Express x16 wired as x4 Small form factor none PCI Express x16 Mini tower one full height card without riser card one low profile card with riser card one full height card Drives Externally accessible 5 25 inch drive bay s Externally accessible 3 5 inch drive bay s Internally accessible 3 5 inch drive bay s for hard drives NOTE Your computer can support up to two 2 5 inch hard drives with brackets External Connectors two connectors for line in microphone and line out two front panel connectors for headphones and microphone one 25 pin connector bidirectional one 9 pin connector 16550C compatible Video one 15 hole VGA connector one 20 pin DisplayPort connector System
7. Light Codes The diagnostic lights give much more information about the system state but legacy power light states are also supported in your computer The power light states are shown in following table Description Blinking Amber Blinking Green Power is off light is blank 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 Indicates the POWER_GOOD signal is active and it is probable that the power supply is fine Look at the diagnostic lights for further information System is in a low power state either S1 or S3 Look at the diagnostic lights to determine which state the system is in System is in SO state the normal power state of a functioning machine The BIOS will turn the light to this state to indicate it has started fetching op codes Beep Codes If the monitor cannot display error messages during the POST the computer may emit a series of beeps that identifies the problem or that can help you identify a faulty component or assembly The following table lists the beep codes that may be generated during the POST Most beep codes indicate a fatal error that prevents the computer
8. 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 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 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
9. default IP address is 255 255 255 255 NOTE To set Client IP you must set Client DHCP to Static IP Client Specifies the subnet mask for the client SubnetMask The default setting is 255 255 255 255 NOTE To set Client SubnetMask you must set Client DHCP to Static IP Client Gateway Specifies the gateway IP address for the client The default setting is 255 255 255 255 NOTE To set Client SubnetMask you must set Client DHCP to Static IP License Status Displays the current license status Post Behavior Fast Boot When enabled default your computer starts more quickly because it skips certain configurations and tests NumLock Enables or disables the NumLock feature when your computer starts LED When enabled default this option activates the numeric and mathematical features shown at the top of each key When disabled this option activates the cursor control functions labeled on the bottom of each key POST Allows you to specify the function keys to display on the screen when the computer starts Hotkeys e Enable F2 Setup enabled by default e Enable F12 Boot menu enabled by default Keyboard Enables or disables keyboard error reporting when the computer starts Errors This option is enabled by default sign on displays a message stating the keystroke sequence required to enter the Manageability Engine BIOS Extensions MEBx Setup program This option is enabled by default System Logs BIOS Events Displays the
10. replacement procedure ensure you connect any external devices cards and cables before turning on your computer 1 Replace the cover CAUTION To connect a network cable first plug the cable into the network device and then plug it into the computer Connect any telephone or network cables to your computer Connect your computer and all attached devices to their electrical outlets Turn on your computer Verify that the computer works correctly by running the Dell Diagnostics UAWN Back to Contents Page 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 K 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 74 NOTE Unless otherwise stated the specifications are identical for mini tower desktop and small form factor computers wo o ooo Quad Core Intel Core i7 series Intel Core i5 series Dual Core Intel Core i5 series Intel Core i3 series Intel Pentium Intel Core i7 series 8 MB Intel Core i5 series Intel Core i5 series 4 MB Intel Core i3 series Integrated Intel graphics media accelerator HD NOTE Not supported by computers shipped with
11. system event log and allows you to e Clear Log e Mark all Entries Back to Contents Page 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 K NOTE The Dell Diagnostics software works only on Dell computers K NOTE The Drivers and Utilities media is optional and may not ship with your computer Enter system setup see Entering System Setup review your computer s configuration information and ensure that the device you want to test displays in System Setup and is active Start the Dell Diagnostics from either your hard drive or from the Drivers and Utilities media Starting the Dell Diagnostics From Your Hard Drive 1 Turn on or restart your computer 2 When the DELL logo appears press lt F12 gt immediately 7 NOTE If you see a message stating that no diagnostics utility partition has been found run the Dell Diagnostics from your Drivers and Utilities media 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 computer and try again 3 When the boot device list appears highlight Boot to Utility Partition and press lt Enter gt 4 When the Dell Diagnostics Main Menu appears
12. test typically takes 1 hour or more and requires you to answer Test questions periodically Custom Tests a specific device You can customize the tests you want to run Test Symptom Lists the most common symptoms encountered and allows you to select a test based on the symptom of the Tree problem you are having 2 If a problem is encountered during a test a message appears with an error code and a description of the problem Write down the error code and problem description and follow the instructions on the screen 3 If you run a test from the Custom Test or Symptom Tree option click the applicable tab described in the following table for more information m frmo O Configuration Displays your hardware configuration for the selected device The Dell Diagnostics obtains configuration information for all devices from system setup memory and various internal tests and it displays the information in the device list in the left pane of the screen The device list may not display the names of all the components installed on your computer or all devices attached to your computer Allows you to customize the test by changing the test settings 4 When the tests are completed if you are running the Dell Diagnostics from the Drivers and Utilities disc remove the disc 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 Power Button
13. Contents Page 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 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 Disconnect the front thermal sensor cable from the system board 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 Back to Contents P
14. DIMM_2 Size e Processor information Displays the Processor Type Processor Speed Processor Bus Speed Processor L2 cache Processor ID Microcode Version Multi Core Capable and HT Capable 64 bit Technology e 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 Specifies the order in which the computer attempts to find an operating system from the devices specified in this list Sequence e Onboard or USB Floppy e Onboard SATA Hard Drive e Onboard or USB CD Rom Drive Diskette drive This field determines how the BIOS configures floppy drives operating systems with USB support will recognize USB Floppy drives regardless of this setting e Disable All Floppy drive are disable e Enable All floppy drive are enable The USB Controller Setup option will affect floppy operation SATA configures the operating mode of the integrated hard drive controller Operation RAID Autodetect AHCI RAID if signed drives otherwise AHCI RAID Autodetect ATA RAID if signed drives otherwise ATA RAID On ATA SATA is configured for RAID on every boot Legacy The hard drive controller is configured for legacy mode e e Legacy mode provides for compatibility with some older operating systems that do not support native resources assigned to the drive controller RAID Mode is incompatible with I mageServer Please di
15. 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 K NOTE A NOTE indicates important information that helps you make better use of your computer A CAUTI ON A CAUTI ON indicates potential damage to hardware or loss of data if instructions are not followed A WARNING A WARNING indicates a potential for property damage personal injury or death If you purchased a Dell n Series computer any references in this document to Microsoft Windows operating systems are not applicable Information in this document is subject to change without notice 2010 Dell Inc All rights reserved Reproduction of this material in any manner whatsoever without the written permission of Dell Inc is strictly forbidden Trademarks used in this text Dell the DELL logo and OptiPlex are trademarks of Dell Inc Intel Pentium and Core are either trademarks or registered trademarks of Intel Corporation Microsoft Windows Windows Vista and the Windows Vista start button are either trademarks or registered trademarks of Microsoft Corporation in the United States and or other countries 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 Inc disclaims any proprietary interest in trademarks and trade names other
16. age 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 Follow the procedures in Before Working Inside Your Computer Remove the optical drive Remove the hard drive and heat sink and processor Disconnect the main power connector from the system board BWNF 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 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
17. and hold the power button while the computer is unplugged to ground the system board Remove the cover CAUTION Before touching anything inside your computer ground yourself by touching an unpainted metal surface such as the metal at the back of the computer While you work periodically touch an unpainted metal surface to dissipate static electricity which could harm internal components Recommended Tools The procedures in this document may require the following tools e Small flat blade screwdriver e Phillips screwdriver e Small plastic scribe e Flash BIOS update program media Turning Off Your Computer A CAUTI ON 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 e In Windows 7 Click Start then click Shut Down e In Windows Vista Click Start then click the arrow in the lower right corner of the Start menu as shown below and then click Shut Down G aan 1r e In Windows XP Click Start Turn Off Computer Turn Off The computer turns off after the operating system shutdown process is complete 2 Ensure that the computer and all attached devices are turned off If your computer and attached devices did not automatically turn off when you shut down your operating system press and hold the power button for about 6 seconds to turn them off After Working Inside Your Computer After you complete any
18. ce mode jumper Service_ Mode RTC reset jumper RTCRST battery socket BATTERY PCI card connectors SLOT 2 amp 3 PCI Express x16 card PCI Express x16 wired as x4 connector Slot connector SLOT1 4 t internal serial card connector Serial2 8 speaker connector INT_SPKR PCI Express x1 wireless card connector PCIE_WLS1 10 hermal sensor connector THRM3 E N fan connector FAN_CPU 12 power connector 12V POWER aN Module connectors DIMM 1 front panel connector FRONTPANEL password jumper PSWD intruder connector INTRUDER front I O connector FIO 15 Internal buzzer BEEP 16 17 SATA drive connectors SATAO 3 internal USB connector INT_USB power connector MICRO_PWR Back to Contents Page 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 lt F12 gt or lt Ctrl gt lt Alt gt lt F8 gt when the Dell logo appears to initiate a one time boot menu with a list of the valid boot devices for the system The options listed are Onboard SATA Hard Drive Onboard or USB CD ROM Drive System Setup Diagnostics This menu is useful when you are attempting to boot to a particular device or to bring up the diagnostics for the system Using the boot menu does not make any changes to the boot order stored in the BIOS Navigation Keystroke
19. computer into a working electrical outlet and press the power button Power off computer leaving the computer plugged in Press and hold the power supply test button on the rear of the power supply unit If the LED next to the switch illuminates the problem may be with your system board If the LED next to the switch does not illuminate disconnect all internal and external peripherals and press and hold the power supply test button If it illuminates there could be a problem with a peripheral If the LED still does not illuminate remove the PSU connections from the system board then press and hold the power supply button If it illuminates there could be a problem with the system board If the LED still does not illuminate the problem is probably with the power supply If two or more memory modules are installed remove the modules then reinstall one module and restart the computer If the computer starts normally continue to install additional memory modules one at a time until you have identified a faulty module or reinstalled all modules without error If only one memory module is installed try moving it to a different DIMM connector and restart the computer If available install verified working memory of the same type into your computer Replace the CPU with a known good CPU If the computer still fails to boot inspect the CPU socket for damage The computer hardware is operating normally but the BIOS may be corrupt o
20. connect 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 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 Pull the retention clip away from the coin cell battery 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 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 Follow the procedures in Before Working Inside Your Computer Remove the optical drive Remove the heat sink and processor Remove the wirel
21. d drive connected to the SATA 1 connector on the system board es You can also set a new password This option is not set by default The system setup program displays a password for each of the hard drives connected to your system board Power Management AC Recovery Determines how the system responds when AC power is re applied after a power loss You can set the AC Recovery to e Power Off default e Power On Last State Auto On Time Sets time to automatically turn on the computer Time is kept in the standard 12 hour format hours minutes seconds Change the startup time by typing the values in the time and AM PM fields NOTE This feature does not work if you turn off your computer using the switch on a power strip or surge protector or if Auto Power On is set to disabled Low Power Enables or disables low power mode Mode This option is disabled by default When low power mode is enabled the integrated network card is disabled when the system is shutdown or in Hibernate mode Only Add in NIC cards will be able to remotely wake the system Remote Allows the system to power up when a network interface controller receives a wake up signal You can set Remote Wakeup to Wakeup e Disable default e Enable e Enable with Boot NIC Suspend Mode Sets the power management suspend mode to e S1 e S3 default Fan Control Controls the speed of the system fan This option is disabled by default Override NOTE When enabled the fa
22. e battery and restart Ensure that the display is connected and powered on Reseat the processor If two or more memory modules are installed remove the modules see your service manual then reinstall one module see your service manual and restart the computer If the computer starts normally continue to install additional memory modules one at a time until you have identified a faulty module or reinstalled all modules without error If available install working memory of the same type into your computer Reseat any installed graphics cards If available install a working graphics card into your computer Reseat all power and data cables Reinstall all USB devices and check all cable connections If two or more memory modules are installed remove the modules see your service manual then reinstall one module see your service manual and restart the computer If the computer starts normally continue to install additional memory modules one at a time until you have identified a faulty module or reinstalled all modules without error If available install working memory of the same type into your computer Ensure that no special requirements for memory module connector placement exist B ack to Contents Page configuration or compatibility error has occurred A possible expansion card failure has occurred Another failure has occurred Ensure that the memory you are using is supported by your c
23. eedStep state and the Intel SpeedStep applet or native operating system driver are prevented from adjusting the processor s performance When enable the Intel SpeedStep enabled CPU is allowed to operate in multiple performance states This option is disabled by default This option enables or disables additional processor sleep states The operating system may optionally use these for additional power saving when idle This option is disabled by default Limit CPUID This field limits the maximum value the processor Standard CPUID Function will support Some operating systems will not complete installation when Value the maximum CPUID Function supported is greater than 3 This option is disabled by default Virtualization Support This Option specifies whether a Virtual Machine Monitor VMM can utilize the additional hardware capabilities provided by Intel Virtualization Virtualization Technology Enable Intel Virtualization Technology This option is disabled by default VT for Direct Enables or disables the Virtual Machine Monitor VMM from utilizing the additional hardware capabilities provided by Intel Virtualization technology 1 0 for direct I O Enable Intel Virtualization Technology for Direct I O This option is disabled by default Field specifies whether a Measured Virtual Machine MVMM can utilize the additional hardware capabilities provided by Intel Trusted Execution Trusted Technology
24. er off no light the computer is not detecting a physical connection to the network Network activity light on integrated yellow light a blinking yellow light network adapter indicates that network activity is present Power supply light green light the power supply is turned on and is functional The power cable must be connected to the power connector at the back of the computer and the electrical outlet NOTE You can test the health of the power system by pressing the test button When the system s power supply voltage is within specification the self test LED lights up If the LED does not light up the power supply may be defective AC power must be connected during this test Wattage Mini tower 255 W 305 W non EPA EPA Desktop 255 W 255 W non EPA EPA Small form factor 235 W 235 W non EPA EPA Maximum heat dissipation Mini tower 1603 BTU hr non EPA Desktop 1341 BTU hr non EPA Small form factor 921 1235 BTU hr BTU hr non EPA 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 a faa a gt Mini tower 18 70 cm 7 36 inches Desktop 10 90 cm 4 29 inches 8 50 cm 3 34 inches Small form factor Depth 43 10 cm 16 96 inche
25. esources even though the setting is disabled Miscellaneous Enables or disables the following onboard devices Devices e Front USB e PCI slots e Audio e OptiPlex ON Reader e Rear Quad USB e WiFi NIC Slot Video Primary This field determines which video controller will become the primary video controller when 2 controllers are available in the system This selection Video matters only if there are 2 video controller present e Auto default Use the add in video controller e 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 Performance Multi Core This field specifies whether the processor will have one or all cores enable The performance of some application will improve with the additional Support cores Hyper This option enables or disables the Hyper Threading Technology When disabled only one thread per enabled core is enabled Threading This option is enabled by default Technology Intel This option enables or disables the Intel Turbo Boost Technology When disabled Intel Turbo Boost Technology allows processor s to run at Turbo Boost frequencies higher than the advertised frequency Technology This option is enabled by default Intel This Option enables or disables the Intel SpeedStep mode of the processor When disabled the system is placed into the highest performance Sp
26. ess module Remove the memory Remove the expansion card riser Disconnect all the cables on the system board NOU BWNE 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 Back to Contents Page
27. from completing the boot routine until the indicated condition is corrected coses femmes Microprocessor register failure Programmable interval timer ROM BIOS checksum failure DMA initialization failure DMA page register read write failure Slave DMA register failure Screen retrace failure Search for video ROM failure 4 2 1 No time tick 4 2 3 4 2 4 4 3 1 4 3 3 4 3 4 4 4 1 1 3 1 through 2 4 4 3 1 1 3 1 2 3 1 3 3 1 4 Failure to decompress code to shadowed memory Math coprocessor test failure Cache test failure Microprocessor register failure NVRAM read write failure ROM BIOS checksum failure Programmable interval timer failure DMA initialization failure DMA page register read write failure Video Memory Test failure Memory not being properly identified or used Slave DMA register failure Master DMA register failure Master interrupt mask register failure Slave interrupt mask register failure Interrupt vector loading failure Keyboard Controller Test failure NVRAM power loss Invalid NVRAM configuration Video Memory Test failure Screen initialization failure Screen retrace failure Search for video ROM failure No timer tick Shutdown failure Gate A20 failure Unexpected interrupt in protected mode Memory failure above address OFFFFh Timer chip counter 2 failure Time of day clock stopped Serial or parallel port test failure Failure to decompress code to shadowed memory 4 4
28. n runs at full speed Maintenance Displays the Service Tag of your computer Asset Tag Allows you to create a system asset tag if an asset tag is not already set This option is not set by default SERR Messages Controls the SERR Message mechanism This option is enabled by default Some graphics cards require the SERR Message mechanism be disabled Image Server Lookup Method Specifies how the ImageServer looks up the server address e 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 255 255 255 255 NOTE You must set the Integrated NIC control in the System Configuration group to Enabled with ImageServer and when Lookup Method is set to Static IP ImageServer Specifies the primary IP port of the image server with which the client software communicates Port The default IP port is 06910 NOTE You must set the Integrated NIC control in the System Configuration group to Enabled with ImageServer Client DHCP Specifies how the client obtains the IP address e Static IP DHCP default NOTE You must set the Integrated NIC control in the System Configuration group to Enabled with ImageServer Client IP Specifies the static IP address of the client The
29. omputer 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 If the computer starts normally troubleshoot the last card removed from the computer for resource conflicts Ensure that all hard drive and optical drive cables are properly connected to the system board If there is an error message on the screen identifying a problem with a device such as the floppy drive or hard drive check the device to make sure it is functioning properly If the operating system is attempting to boot from a device such as the floppy drive or optical drive check system setup to ensure the boot sequence is correct for the devices installed on your computer Back to Contents Page Cover Dell OptiPlex 980 Service Manual Desktop A 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 K 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 Pull back the cover release latch 3 Tilt the computer co
30. ore 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 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
31. procedures in Before Working Inside Your Computer 2 Remove the expansion card riser 3 Disconnect the fan connector from the system board 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 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 Lift the memory module out of the connector and remove it from the computer Replacing the Memory Module s To replace the memory module s perform the above steps in reverse order Back to
32. r missing Remove all peripheral cards from the PCI and PCI E slots and restart the computer If the computer boots add the peripheral cards back one by 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 A possible graphics card failure has occurred A possible floppy drive or hard drive failure has occurred A possible USB failure has occurred No memory modules are detected Memory modules are detected but a memory one until you find the bad one Reseat the 2x2 power connector from the power supply unit Remove all peripheral cards from the PCI and PCI E slots and restart the computer If the computer boots add the peripheral cards back one by one until you find the bad one Disconnect all internal and external peripherals and restart the computer If the computer boots add the peripheral cards back one by one until you find the bad one If the problem persists the system board is probably bad Remove the coin cell battery for one minute reinstall th
33. re automatically changes the default minimum password length to 8 characters Enforce strong password This option is disabled by default TPM Security Enables or disables the trusted platform module TPM security You can set the TPM security to e Deactivate default e Activate e 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 Enables or disables the execute disable mode of the processor Support This option is enabled by default Computrace R Enables or disables the optional Computrace service designed for asset management You can set this option to e Deactivate default e Disable e Activate Chassis This field controls the chassis intrusion feature Intrusion You can set this option to e Clear Intrusion Warning Enabled by default if detected the chassis intrusion e Disable e Enabled e On Silent Enabled by default if detected the chassis intrusion SATA 0 Displays the current status of the password set for the hard drive connected to the SATA O connector on the system board Password You can also set a new password This option is not set by default The system setup program displays a password for each of the hard drives connected to your system board SATA 1 Displays the current status of the password set for the har
34. s 34 80 cm 13 70 inches Small form factor 32 40 cm 12 75 inches Mini tower 11 40 kg 25 13 Ib Desktop 8 30 kg 18 29 Ib Small form factor 5 90 kg 13 00 Ib Environmental Mini tower Desktop a Q gt gt Temperature Operating 10 C to 35 C 50 F to 95 F Storage 40 C to 65 C 40 F to 149 F Relative humidity noncondensing 20 to 80 Maximum vibration Operating 5 Hz to 350 Hz at 0 0002 G2 Hz Storage 5 Hz to 500 Hz at 0 001 to 0 01 G Hz Maximum shock Operating 40 G 5 with pulse duration of 2 msec 10 equivalent to 20 in sec 51 cm sec Storage 105 G 5 with pulse duration of 2 msec 10 equivalent to 50 in sec 127 cm sec Altitude Operating 15 2 m to 3048 m 50 ft to 10 000 ft Storage 15 2 m to 10 668 m 50 ft to 35 000 Airborne contaminant level G2 or lower as defined by ISA S71 04 1985 Back to Contents Page 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 Wireless Module Control Panel Intrusion Switch Coin Cell Battery System Board Processor Fan Heat Sink and Processor Memory Back to Contents Page Back to Contents Page System Board Layout Dell OptiPlex 980 Service Manual Desktop 21 gt WN a 20 19 18 13 servi
35. s Use the following keystrokes to navigate the System Setup screens e E e Entering System Setup Your computer offers the following BIOS and System Setup options e Bring up a one time boot menu by pressing lt F12 gt e Access System Setup by pressing lt F2 gt lt F12 gt Menu Press lt F12 gt when the Dell logo appears to initiate a one time boot menu with a list of the valid boot devices for the computer Diagnostics and Enter Setup options are also included in this menu The devices listed on the boot menu depend on the bootable devices installed in the computer This menu is useful when you are attempting to boot to a particular device or to bring up the diagnostics for the computer Making changes in the boot menu does not make any changes to the boot order stored in the BIOS lt F2 gt Press lt F2 gt to enter System Setup and make changes to user definable settings If you have trouble entering System Setup using this key press lt F2 gt when the keyboard lights first flash System Setup Menu Options K NOTE System Setup options may vary depending on your computer and may not appear in the exact same order System Displays the following information Board e System information Displays BIOS Version Service Tag Express Service Code Asset Tag Manufacture Date and the Ownership Date e Memory information Displays Installed Memory Memory Speed Number of Active Channels Memory Technology DIMM_1 Size
36. sable RAID mode if enabling Image Server S M A R T This field controls whether hard drive errors for integrated drives are reported during system startup This technology is part of the SMART Self Reporting Monitoring Analysis and Reporting Technology specification This option is disabled by default Enables or disables the SATA or ATA drives connected to the system board System Configuration Integrated NIC Enables or disables the integrated network card You can set the integrated NIC to Disable Enable default Enable with PXE Enable with I mageSever ImageServe is incompatible with RAID mode Please disable RAID if enabling ImageServer PXE is needed only if intending to boost to an operating system located on a server not if you are booting on an OS located on a hard drive in this system USB Controller Enables or disables the integrated USB controller You can set the USB controller to e Enable default e Disable No boot Operating systems with USB support will recognize USB Storage Parallel Port Identifies and defines the parallel port settings You can set the parallel port to Disable AT PS 2 default EPP ECP No DMA ECP DMA 1 ECP DMA 3 Parallel Port Sets the base I O address of the integrated parallel port Address Serial Port 1 Identifies and defines the serial port settings You can set the serial port to e Disable e Auto default e COM1 e COM3 The Operating System may allocate r
37. sing a wrist grounding strap or by periodically touching an unpainted metal surface such as a connector on the back of the computer CAUTION Handle components and cards with care Do not touch the components or contacts on a card Hold a card by its edges or by its metal mounting bracket Hold a component such as a processor by its edges not by its pins CAUTION When you disconnect a cable pull on its connector or on its pull tab not on the cable itself Some cables have connectors with locking tabs if you are disconnecting this type of cable press in on the locking tabs before you disconnect the cable As you pull connectors apart keep them evenly aligned to avoid bending any connector pins Also before you connect a cable ensure that both connectors are correctly oriented and aligned NOTE The color of your computer and certain components may appear differently than shown in this document To avoid damaging your computer perform the following steps before you begin working inside the computer 1 2 A SLE eas Ensure that your work surface is flat and clean to prevent the cover from being scratched Turn off your computer see Turning Off Your Computer CAUTION To disconnect a network cable first unplug the cable from your computer and then unplug the cable from the network device Disconnect all network cables from the computer Disconnect your computer and all attached devices from their electrical outlets Press
38. than its own May 2010 Rev A00 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 Unless otherwise noted each procedure included in this document assumes that the following conditions exist e You have read the safety information that shipped with your computer e A component can be replaced or purchased separately installed by performing the removal procedure in reverse A A A A A Ui order 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 CAUTION Many repairs may only be done by a certified service technician You should only perform troubleshooting and simple repairs as authorized in your product documentation or as directed by the online or telephone service and support team Damage due to servicing that is not authorized by Dell is not covered by your warranty Read and follow the safety instructions that came with the product CAUTION To avoid electrostatic discharge ground yourself by u
39. 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 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 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
40. ver 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 Back to Contents Page Cover Dell OptiPlex 980 Service Manual Desktop A 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 K 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 Pull back the cover release latch 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 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 Back to Contents Page Optical Drive Dell OptiPlex 980 Service Manual Desktop WARNING Bef
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