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Dell E6520 Power Management, Multi Core Support, Intel SpeedStep, C-States Control, Limit CPUID

Models: E6520

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Option	Description

Multi Core Support	Allows you to enable or disable multi-core
	support for the processor. The options are:
	•	All
	•	1
	•	2
	Default Setting: All
Intel SpeedStep	Allows you to enable or disable the Intel
	SpeedStep feature.
	Default Setting: Enabled
C-States Control	Allows you to enable or disable the
	additional processor sleep states.
	Default Setting: The options C states, C3,
	C6, Enhanced C-states, and C7 options are
	selected/enabled.
Limit CPUID	Allows you to limit the maximum value the
	processor Standard CPUID Function will
	support.
	Default Setting: Enable CPUID Limit
Intel TurboBoost	Allows you to enable or disable the Intel
	TurboBoost mode of the processor.
	Default Setting: Enabled
HyperThread Control	Allows you to enable or disable the
	HyperThreading in the processor.
	Default Setting: Enabled

Power Management

The following table describe the menu options of the Power Management menu.

Option	Description

AC Behavior	Allows you to enable or disable the
	computer from turning on automatically
	when an AC adapter is connected.
	Default Setting: Disabled

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Dell E6520 Power Management, Multi Core Support, Intel SpeedStep, C-States Control, Limit CPUID, Intel TurboBoost, Option

Contents

Dell Latitude E6520 Owners Manual Regulatory Model P15G Regulatory Type P15G001Information in this publication is subject to change without notice Notes, Cautions, and Warnings2011 Dell Inc. All rights reserved Notes, Cautions, and Warnings 4 Modem Connector Plug5 Battery 1 Working on Your Computer14 Modem Connector 11 Bluetooth Card12 Coin-Cell Battery 15 Wireless Local Area Network WLAN Card18 Heat Sink 16 Wireless Wide Area Network WWAN Card17 Power Connector 19 Processor26 System Board 25 Wireless Switch Board29 Display Assembly 27 SpeakerDiagnostics Specifications34 System Setup Contacting DellPage Before Working Inside Your Computer You have read the safety information that shipped with your computerWorking on Your Computer You have performed the steps in Working on Your ComputerRecommended Tools Turning Off Your Computer After Working Inside Your Computer3. Replace the battery 5. Turn on your computer2. Follow the procedures in After working inside your computer Installing The Secure Digital SD Card1. Follow the procedures in Before Working On Your Computer Secure Digital SD CardPage ExpressCard3 Installing the ExpressCard2. Follow the procedures in After Working Inside Your Computer Removing the ExpressCardPage Installing The Modem Connector Plug Modem Connector PlugRemoving The Modem Connector Plug 1. Insert and push in the modem connector plug into the modem portPage Installing The Battery BatteryRemoving The Battery 2. Slide the release latches to unlock the batteryPage Card Installing The Subscriber Identity Module SIM Card3. Follow the procedures in After Working Inside Your Computer Removing The Subscriber Identity Module SIM CardPage 3. Remove the screws that secure the hard drive to the computer Hard DriveRemoving The Hard Drive 4. Slide the hard drive out of the computer6. Follow the procedures in After working inside your computer Installing The Hard Drive5. Install the battery 1. Attach the hard-drive caddy to the hard driveRemoving The Optical Drive 2. Remove the battery 3. Press and release the optical drive latchOptical Drive 4. Pull the optical drive out of the computer7. Remove the screw that secures the drive latch to the optical drive 8. Remove the drive latch from the optical driveInstalling The Optical Drive 10. Follow the procedures in After working inside your computerPage 3. Remove the screws that secure the base cover to the computer Base CoverRemoving The Base Cover 5. Remove the base cover from the computer4. Follow the procedures in After Working Inside Your Computer Installing The Base Cover3. Install the battery 2. Tighten the screws to secure the base cover to the computer3. Remove the secure digital SD Card Memory10Removing The Memory 4. Remove the base cover4. Install the secure digital SD Card Installing The Memory3. Install the base cover 6. Follow the procedures in After Working Inside Your Computer1. Follow the procedures in Before Working on Your Computer Bluetooth CardRemoving Bluetooth Card 2. Remove the battery 3. Remove the base coverInstalling The Bluetooth Card 7. Follow the procedures in After Working Inside Your ComputerInstalling The Coin-Cell Battery Coin-Cell BatteryRemoving The Coin-Cell Battery 5. Follow the procedures in After working inside your computerPage 5. Remove the screw securing the modem to the system Modem CardRemoving The Modem Card 6. Lift and remove the modem card from the computerInstalling The Modem Card 7. Follow the procedures in After working inside your computer4. Remove the base cover 5. Remove the modem card Modem ConnectorRemoving The Modem Connector 6. Disconnect the antenna cables9. Remove the screw that secures the modem connector bracket 10. Remove the modem connector bracket 11. Remove the modem connector8. Install the secure digital SD Card Installing The Modem Connector10. Follow the procedures in After Working Inside Your Computer Page WLAN Card Wireless Local Area NetworkRemoving The Wireless Local Area Network WLAN Card 4. Disconnect the antenna cables from the WLAN cardInstalling The Wireless Local Area Network WLAN Card 6. Follow the procedures in After Working Inside Your ComputerWWAN Card Wireless Wide Area NetworkRemoving The Wireless Wide Area Network WWAN Card 4. Disconnect the antenna cables from the WWAN cardInstalling The Wireless Wide Area Network WWAN Card 6. Follow the procedures in After Working Inside Your Computer4. Disconnect and remove the power connector cable from the route Power ConnectorRemoving The Power Connector 6. Remove the power connector port from the computerInstalling The Power Connector 9. Follow the procedures in After Working Inside Your Computer4. Disconnect the heat-sink cable from the system board Heat SinkRemoving The Heat-Sink 1. Follow the procedures in Before Working On Your Computer3. Connect the heat-sink cable to the system board Installing The Heat-Sink1. Slide the heat-sink into its original position in the system board 4. Install the base cover 5. Install the battery4. Remove the heat-sink Processor19Removing The Processor 5. Rotate the processor cam lock in a counter-clockwise direction6. Install the battery Installing The Processor4. Install the heat-sink 5. Install the base cover 1. Align the notches on the processor and the socket3. Lift the keyboard trim to release the tabs Keyboard TrimRemoving The Keyboard Trim 4. Pry up the keyboard trim from the bottom center2. Press along the sides of the keyboard trim until it snaps in place Installing The Keyboard Trim1. Align the keyboard trim to its compartment 3. Follow the procedures in After Working Inside Your ComputerRemoving The Keyboard 3. Remove the battery 4. Remove the base coverKeyboard21 2. Remove the keyboard trim9. Remove the tape that secures the keyboard cable from the keyboard 8. Remove the keyboard from the system board10. Disconnect and remove the keyboard data cable from the keyboard Installing The Keyboard 9. Follow the procedures in After Working Inside Your ComputerPage Palm Rest Removing The Palm Rest Assembly4. Remove the display assembly 5. Remove the optical drive 8. Remove the keyboard trim13. Lift the palm rest at a 45-degree angle and remove it Installing The Palm Rest AssemblyRadio Frequency Identification RFID sensor touch pad media board 2. Connect the following cables to the system board8. Install the optical drive 4. Install the keyboard 5. Install the keyboard trim6. Install the Bluetooth 7. Install the hard drive 9. Install the display assemblyPage Smart Card Reader 7. Remove the bluetooth module 8. Remove the keyboard trim10. Remove the palm rest assembly Removing the Smart Card Reader7. Install the bluetooth module Installing The Smart Card Reader4. Install the palm rest assembly 10. Install the display assemblyRemoving The ExpressCard Cage 10. Remove the palm rest assembly 11. Remove the display assemblyExpressCard Cage 4. Remove the optical drive3. Install the display assembly 4. Install the palm rest assembly Installing The ExpressCard Cage13. Follow the procedures in After working inside your computer 1. Follow the procedures in Before Working On Your Computer Wireless Switch BoardRemoving The Wireless Switch Board 4. Remove the display assembly 5. Remove the optical drive10. Install the display assembly Installing The Wireless Switch Board4. Install the palm rest assembly 13. Follow the procedures in After Working Inside Your Computer10. Remove the wireless wide area network WWAN card 6. Remove the display assembly 7. Remove the optical drive9. Remove the wireless local area network WLAN card 18. Remove the palm rest assembly 19. Remove the ExpressCard cage23. Disconnect the following cables from the system board LVDS 21. Remove the two screws securing the LVDS bracket22. Remove the LVDS bracket camera/microphone touch screen if applicablewireless switch board smart card reader speaker 25. Remove the screws from the system board27. Lift and slide the system board out of the computer Installing The System Boardwireless switch board smart card reader coin-cell battery 1. Align the system board into its original position on the computer15. Install the wireless local area network WLAN card 5. Install the ExpressCard Cage 6. Install the palm rest assembly14. Install the wireless wide area network WWAN card 18. Install the display assemblyPage 1. Follow the procedures in Before Working On Your Computer Speaker27Removing The Speakers 6. Remove the display assembly 7. Remove the optical drive23. Remove the screws that secures the speakers 22. Slide and remove the hard drive support plate24. Unthread the speaker cables and remove the speakers 15. Install the wireless wide area network WWAN card Installing The Speakers6. Install the ExpressCard Cage 7. Install the palm rest assembly 16. Install the wireless local area network WLAN cardPage Input/Output Panel 16. Remove the modem connector 17. Remove the keyboard trim19. Remove the palm rest assembly 20. Remove the smart card reader Removing The Input/Output I/O PanelPage 6. Install the palm rest assembly Installing The Input/Output I/O Panel4. Install the ExpressCard Cage 5. Install the smart card reader 9. Install the modem connectorPage 4. Release the antenna cables from the computer Display AssemblyRemoving The Display Assembly 6. Lift up and remove the LVDS support bracket7. Disconnect the following cables from the system board LVDS camera touch screen 8. Unthread the cables11. Remove the computer by disengaging it from the system assembly Installing The Display Assembly 10. Follow the procedures in After Working Inside Your ComputerDisplay Bezel Installing The Display Bezel5. Follow the procedures in After Working Inside Your Computer Removing The Display BezelPage 3. Remove the display bezel Display PanelRemoving The Display Panel 4. Remove the screws that secures the display panel to the computerInstalling The Display Panel 6. Follow the procedures in After working inside your computerRemoving The Camera Installing The CameraCamera32 1. Follow the procedures in Before Working On Your ComputerPage System Information Specifications33Technical Specifications ProcessorVideo AudioCommunications Contactless Smart Card Ports and ConnectorsDisplay Touchpad BatteryKeyboard DisplayBattery AC AdapterNOTE 65 W AC adapter is available only Physical EnvironmentalEntering System Setup System SetupSystem Setup Overview System Setup Menu OptionsBoot Sequence System ConfigurationBattery Information OptionSerial Port System ManagementParallel Port SATA OperationUSB Controller Enable External USB PortDefault Setting Media Card and Miscellaneous DevicesVideo Enable OptimusAdmin Password The following table describe the menu options of the Video menuPassword Bypass System PasswordInternal HDD-0 Password Password ChangeAdmin Setup Lockout Non-Admin Setup ChangesPassword Configuration PerformanceAllows you to enable or disable the Power ManagementDefault Setting Enable CPUID Limit when an AC adapter is connectedUSB Wake Support Wireless Radio ControlAuto On Time radio and Control WWAN radio areExpressCharge Default Setting Touchpad/PS-2 MousePOST Behavior Adapter WarningsFastboot Numlock EnableDefault Setting Enable F12 Boot Option Virtualization SupportMaintenance WirelessThe following table describe the menu options of the Wireless menu The following table describe the menu options of the Maintenance menuSystem Logs BIOS EventsPower Events The following table describe the menu options of the System Logs menuPage LED Error Codes Diagnostics35Battery Status Lights Device Status LightsDescription AppearanceNext Step 4. Replace the system board 1. Reseat the display cable Blinking Blinking Modem errorBlinking Display panel 2. Replace the display panel 3. Replace the video card/ system boardPage Contacting Dell Contacting Dell1. Visit support.dell.com