HP 309971-001 manual Enabling or Disabling Num Lock Mode as You Work

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Pointing Devices and Keyboard

When num lock mode on an external keypad is turned on, the num lock light on the notebook turns on. When the num lock mode on an external keypad is turned off, the num lock light on the notebook turns off.

If the external keypad is connected, the internal keypad cannot be turned on.

Enabling or Disabling Num Lock Mode as You Work

To turn num lock on or off on an external keypad as you work, press the num lk key on the external keypad, not on the notebook.

Enabling or Disabling Num Lock Mode at Startup

To set the notebook to start up with a connected external keypad in num lock mode, set your preference in Computer Setup. For more information about using Computer Setup, refer on this CD to the Software Guide, “Computer Setup” chapter.

To set the notebook to start up with the external keypad enabled:

1.Turn on or restart the notebook.

2.Press F10 while the F10 = ROM Based Setup message is displayed in the lower left corner of the screen.

To change the language, press F2.

For navigation instructions, press F1.

3.Select Advanced > Device Options, then press enter.

4.Select or clear the Num Lock State at Boot field:

To start up an external keypad with num lock mode turned on, select the field.

To start up an external keypad with num lock mode turned off, clear the field.

User Guide

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Contents Hardware Guide Hardware Guide First Edition April Document Part Number Contents Battery Packs Audio and Video Specifications Pointing Device Components Pointing Device ComponentsHardware Guide Top Components Top ComponentsFn key Left Side Components Left Side ComponentsRight Side Components Right Side ComponentsFront View Components Front View ComponentsRear Panel Components Rear Panel ComponentsDC power connector Bottom Components Bottom ComponentsBottom Components Lights LightsLights Using a Pointing Device Pointing Devices and KeyboardComponent Description Using the Pointing Stick Using the TouchPadUsing an External Mouse Setting Pointing Device PreferencesUsing Hotkeys and Shortcut Keys Fn and Function KeysHotkey and Shortcut Key Quick Reference Switching Display and Image Fn+F4 Initiating Standby Fn+F3Displaying System Information Fn+esc Viewing Battery Charge Information Fn+F8Adjusting the Screen Brightness Fn+F9 and Fn+F10 Using Hotkeys and Shortcut Keys with External Keyboards Using Quick Launch Buttons Quick Launch buttonsUsing the Internal Keypad KeypadsUsing an External Keypad Enabling and Disabling the Internal KeypadEnabling or Disabling Num Lock Mode as You Work Pointing Devices and Keyboard Battery Packs Inserting or Removing the Primary Battery Pack Snap the battery pack into place Removing the primary battery pack Using the Optional Travel Battery Inserting or Removing the Battery PackInserting the battery pack into the travel battery caddy Attaching or Detaching the Travel Battery Attaching the optional travel battery Locking the optional travel battery onto the notebook Charging a Battery Pack Battery light Monitoring the Charge of a Battery Pack Displaying Charge Information on the Screen Displaying Charge Information on a Battery Pack Battery Pack Quick Check Indications Managing Low-Battery ConditionsIdentifying Low-Battery Conditions Resolving Low-Battery Conditions Critical Low-Battery ConditionCalibrating a Battery Pack When No Power Source Is AvailableConserving Battery Power When to CalibrateHow to Calibrate Conserving Power as You WorkSelecting Power Conservation Settings Battery Storage Temperature Ranges Storing a Battery PackDisposing of a Used Battery Pack Finding More Power Information Hard Drive Caring for DrivesHard Drive Activity Light Replacing the Primary Hard Drive Hard drive in the hard drive bay is the primary hard drivePull the drive out of the bay Close the front bezel of the hard drive Replacing the hard drive retaining screw Audio Components Using Audio FeaturesAudio and Video Adjusting the Volume Using the Audio Line-Out Jack Using Video FeaturesUsing the Microphone Input Jack Connecting a Device to the S-Video Out Jack Changing the Video Mode Connecting a Modem Cable Communication DevicesUsing the RJ-11 Cable Using a Country-Specific Adapter Cable Connecting a Network Cable Linking to an Infrared Device Setting Up an Infrared Transmission Using Wireless LAN Using Bluetooth Using Standby with InfraredExternal Devices Connecting a Monitor or Projector Using a USB DeviceUsing a USB Device Enabling USB Legacy SupportUsing an Optional External MultiBay Connecting an Optional Cable Lock Hardware Upgrades Using PC CardsInserting a PC Card Removing a PC CardTo remove a PC Card Stop the PC Card Using SD Cards Inserting an SD CardRemoving an SD Card Adding and Upgrading Memory Modules Adding a Memory Expansion ModuleRemove the memory expansion slot cover Inserting a memory expansion module Upgrading the Memory Module in the Primary Memory Slot Removing the keyboard screws Remove the keyboard Removing the existing memory module Inserting the new memory module Increasing RAM Windows 2000 or Windows XP, press Fn+escFactor Metric SpecificationsOperating Environment Rated Input Power Modem SpecificationsInput Power Rating Factor SpecificationIndex Index-2 Index-3 Index-4 Modem and Networking guide Index-6 USB Wireless LAN

309971-001 specifications

The HP 309971-001 is a versatile and efficient power supply unit designed to meet the demanding requirements of various HP workstations and servers. As a fundamental component for reliable system performance, the 309971-001 delivers robust power while ensuring high energy efficiency, making it an excellent choice for professionals in need of dependable computing solutions.

One of the standout features of the HP 309971-001 is its impressive power output capacity, typically rated around 460 watts. This substantial power capacity enables it to support high-performance components, including powerful CPUs, advanced graphics cards, and extensive memory configurations. With the ability to accommodate these high-demand specifications, the 309971-001 is ideal for users engaged in graphic design, video editing, simulation modeling, and other resource-intensive applications.

The HP 309971-001 is designed using advanced technologies that guarantee maximum reliability and operational efficiency. It often incorporates Active Power Factor Correction (PFC), which improves energy efficiency by reducing the harmonic distortion in electrical currents. This not only leads to better performance but also contributes to lower operational costs in the long run.

In terms of physical characteristics, the HP 309971-001 features a compact and modular design that allows for easy installation and maintenance. Its built-in cooling mechanisms, including efficient fan configurations, operate silently to ensure a noise-free working environment, while managing the thermal output effectively during peak operational periods.

Compatibility is another critical aspect of the HP 309971-001. It is specifically designed to work seamlessly with a range of HP workstation models, enhancing its usability across multiple systems. This means that users can upgrade or replace existing power supplies without extensive modifications, providing a cost-effective solution when upgrading hardware or replacing faulty components.

Additionally, the unit often meets various safety and regulatory standards, ensuring that it operates within safe parameters while protecting both the system and the user. Features such as over-voltage protection, short-circuit protection, and overheating safeguards contribute to the longevity of connected components, ultimately enhancing the overall reliability of the system.

In conclusion, the HP 309971-001 power supply unit excels in performance, efficiency, and reliability. Its strong power output, advanced technology integration, and user-friendly design make it a valuable asset for professionals who demand high-quality computing solutions in their workstations and servers.
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