Rated Input Power | HP R4025US, R4000, R4001XX, R4003XX, R4012US

Specifications

Rated Input Power

The power information in this section may be helpful if you plan to travel internationally with the notebook.

The notebook operates on DC power, which can be supplied by an AC or a DC power source. Although the notebook can be powered from a stand-alone DC power source, it is strongly recommended that the notebook be powered only with an

AC adapter or DC power cord supplied with or approved for a Compaq notebook.

The notebook is capable of accepting DC power within the following specifications.

Input Power	Rating

Operating voltage	18.5 V dc to 19.0 V dc

Operating current	4.9 A or 6.5 A

This product is designed for IT power systems in Norway with phase-to-phase voltage not exceeding 230V.

17–2	Hardware and Software Guide

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HP R4025US, R4000, R4001XX, R4003XX, R4012US, R4127US, R4010US manual Rated Input Power

Contents

Hardware and Software Guide Page Contents Power Keyboard Digital Memory Cards USB and 1394 Devices Security 15Notebook Care Component ID Top ComponentsKeyboard and Mute Lights Power/Standby, Wireless and Memory Reader Lights TouchPad Power Controls Select Models Only Wireless and Volume Buttons Fn key Keys Front Components Rear Components Ports Right-Side Components Jacks and Vent Left-Side Components External Card Features Security Cable Slot, Ports and Bays Bays and Vents Bottom Components Expansion Memory Module Compartment Wireless Antennae Additional Hardware Components Power and Modem Hardware Optical Discs Support My Compaq Computer Labels Power Control and Light Locations Power Power Selecting a Power Source Power Sources Using External or Battery Power Standby Standby and Hibernation Hibernation Power When You Leave Your Work When the Power Supply Is UncertainInitiating Standby, Hibernation or Shutdown When Using Drive Media Default Power Settings Turning the Notebook or Display On or Off Task Procedure Results Initiating or Restoring from Hibernation Task Procedure Result Windows XP Home Select Start Turn Off Computer Stand By.† Initiating or Resuming from Standby Power Options Using Emergency Shutdown ProceduresAccessing the Power Options Window Select the check box for Always show icon on the taskbar Displaying the Power Meter Icon Setting or Changing a Power Scheme Using a Security Password Battery Packs Inserting or Removing a Battery PackInserting a Battery Pack Removing a Battery Pack Charging Battery Packs Obtaining Accurate Charge Information Monitoring the Charge in a Battery PackCharging a New Battery Pack Charging an In-Use Battery Pack Interpreting Charge Information Displays Managing Low-Battery ConditionsPower Meter Displaying Charge Information on the Screen Low-Battery Condition Identifying Low-Battery Conditions When External Power Is Available Resolving Low-Battery Conditions When to Calibrate Calibrating a Battery Pack Charging the Battery Pack How to Calibrate Clear the Enable hibernation check box Performance and Maintenance Power Options Power Schemes tab Recharging the Battery Pack Conserving Power as You Work Conserving Battery Power Selecting Power Conservation Settings Storing a Battery Pack Disposing of a Used Battery Pack Using the TouchPad KeyboardTouchPad Keyboard To access the TouchPad Properties window Setting Mouse Properties Hotkey Quick Reference Hotkeys Help and Support Using Hotkey ProceduresUsing Hotkey Commands Opening the Help and Support Center fn+f1 Opening Internet Explorer fn+f3 Opening the Print Window fn+f2 Switching Displays fn+f4 Initiating Standby fn+f5 Initiating QuickLock fn+f6Select Start Control Panel User Accounts User Accounts » Select Start Control Panel User Accounts User Accounts Using the Media Activity Hotkeys fn+f9 through fn+f12 Decreasing Screen Brightness fn+f7Increasing Screen Brightness fn+f8 Displaying System Information fn+esc Using Hotkeys with External Keyboards Displaying the Quick Launch Buttons Icon Quick Launch Buttons Software Displaying Hotkey Information Setting Windows Desktop Icon Display Preferences Select Arrange Icons By Keypads Using the Embedded Numeric Keypad Enabling and Disabling Switching Key Functions Using an External Numeric Keypad Audio Features Using the Audio-In Microphone JackMultimedia Using the Audio-Out Headphone Jack Using the Volume Buttons Adjusting the Volume Video Features Using the S-Video-JackUsing the Windows Volume Icon Multimedia Connecting a Monitor or Projector Connecting a Monitor, Projector or Television Connecting the Audio Connecting a Television Displaying and Switching the Video Image Changing the Video DisplayChanging the Color Television Format Selecting Multimedia Applications Software SetupMultimedia Software Finding Included Multimedia Applications Using Default Applications Using Windows Media PlayerUsing Windows MovieMaker Using InterVideo WinDVD Creator Using Apple iTunesUsing Sonic RecordNow Using InterVideo WinDVD Player Installing Preloaded Applications Installing Multimedia Applications Select Start Run Installing Applications from a Disc Using Multimedia Applications Accessing Help for Multimedia ApplicationsObserving the Copyright Warning Protecting a CD or DVD Write Process Using Media Activity Hotkeys Protecting Playback Setting AutoPlay Preferences Changing DVD Region Settings Changing DVD Settings in the Operating System Select Start Control Panel Performance Maintenance SystemSelect Properties Select Start All Programs InterVideo WinDVD Player Changing DVD Settings in a Multimedia Application Drive Care Drives Primary Hard Drive IDE Drive Light Inserting an Optical Disc Optical Drive Removing an Optical Disc With Power Removing an Optical Disc Without Power Avoiding Standby or Hibernation Displaying Optical Disc Contents PC Cards and ExpressCards What Is a PC Card? Inserting a PC Card PC Cards and ExpressCards Stopping or Removing a PC Card Selecting an ExpressCard What Is an ExpressCard? Inserting an ExpressCard Configuring an ExpressCard PC Cards and ExpressCards Stopping or Removing an ExpressCard Digital Memory Cards What Is a Digital Memory Card? Using the Memory Reader Light Insertion Removal Expansion Memory Module Slot What Is a Memory Module?Memory Modules Primary Memory Module Slot Removing or Inserting a Memory Module Selecting a Memory Module Memory Modules Memory Modules Memory Modules Memory Modules Video Memory Settings Hibernation FileSelect Start Help and Support Center My Compaq Computer Memory Modules USB and 1394 Devices What Is USB? USB Device Connection Device Connection What Is 1394? Modem and Networking Internal ModemModem Cable Modem and Networking Using the Modem Cable Using a Country-Specific Modem Cable Adapter Adding New Locations When Traveling Modem Country SelectionViewing the Current Country Selection 10-6 Hardware and Software Guide Select OK OK Solving Travel Connection ProblemsCheck the telephone line type Check for pulse or tone dialing Set the modem to ignore dial tones Select Start All Programs Accessories Communications Preinstalled Communication Software Network Cable Network Using the Network Cable Wireless Select Models Only Wireless Select Models Only Wireless Local Area Network Select Models Only Setting Up a Wlan in Your Home Start Help and Support Using a Wlan Connection Installing Wireless Software Optional Using Wireless Security Features Select Start My Computer Identifying an 802.11 wireless device Accessing Wlan Software Documentation Bluetooth Select Models Only 11-10 Hardware and Software Guide Device Power States 11-12 Hardware and Software Guide Then Turning On the Devices Turning Off and Disabling the Devices Security Security Features To Protect Against Use This Security Feature QuickLock Security Preferences Setup Utility 12-4 Hardware and Software Guide Compaq and Windows Passwords Passwords For information about Choosing Your Passwords Compaq and Windows Password Guidelines Coordinating Your Passwords Compaq Administrator Passwords Setting Compaq Administrator Passwords Power-On Passwords Entering Compaq Administrator PasswordsSetting Power-On Passwords Entering Power-On Passwords DriveLock Setting DriveLock Passwords Entering DriveLock Passwords Changing DriveLock Passwords Removing DriveLock Protection Select Security Device Security, and then press enter Device Security All Programs Norton AntiVirus Antivirus Software » Use the update link at Start Help and Support Critical Security Updates for Windows XP Firewall Software Optional Security Cable What Is the Setup Utility? Setup Utility Open the Setup Utility Setup Utility Language System Information Navigation and Item Selection Default Settings Advanced Features Close the Setup Utility Software Updates Software Updates Recovery Accessing Notebook ROM Information Accessing Notebook Product Information Hardware and Software Guide 14-3 Downloading System ROM Internet Software Downloading a ROM Update Accessories Windows Explorer Installing a ROM Update Downloading Software All Programs Accessories Windows Explorer System Recovery Before You Begin Safeguarding Your Data Using System Restore Setting a Restore PointRestoring to a Restore Point Repairing or Reinstalling Drivers Reinstalling Applications from Your Hard Drive Repairing or Reinstalling Applications Reinstalling Applications from a Recovery Disc Shut Down Turn Off Repairing the Operating System Reinstalling the Operating System Select Start All Programs Accessories System Tools BackupBack Up Data 14-16 Hardware and Software Guide Reinstall the Operating System Reinstall Drivers Reinstall Additional Software Update Reinstalled Software» Select Start Help and Support Temperature 15-2 Hardware and Software Guide Keyboard External Mouse Display Hardware and Software Guide 15-5 15-6 Hardware and Software Guide Travel Travel and Shipping Review Modem Country Selection in , Modem and Networking Shipping Operating Environment Specifications Rated Input Power Feature Support Expansion Port 2 Input/Output Signals See also software applications key, Windows Index Bios information, displaying fn+esc Critical Security Updates for Windows XP disc Critical Security Updates See also memory memory modules See also drives hard drive bay See also buttons display switch Index-8 Num lock key Index-10 Primary memory module slot See also memory memory ROM Speakers Service Tag External Setup utility Internal 1-7,4-2 Index-14 VCR