HP 550 manual System memory map specifications, Size Memory address System function

Page 105

System memory map specifications

Size	Memory address	System function

640 KB	00000000-0009FFFF	Base memory

128 KB	000A0000-000BFFFF	Video memory

48 KB	000C0000-000CBFFF	Video BIOS

160 KB	000C8000-000E7FFF	Unused

64 KB	000E8000-000FFFFF	System BIOS

15 MB	00100000-00FFFFFF	Extended memory

58 MB	04800000-07FFFFFF	Super extended memory

58 MB	04800000-07FFFFFF	Unused

2 MB	08000000-080FFFFF	Video memory (direct access)

4 GB	08200000-FFFEFFFF	Unused

64 KB	FFFF0000-FFFFFFFF	System BIOS

System memory map specifications 97

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Contents HP 550 Notebook PC Page Safety warning notice Iv Safety warning notice Table of contents Computer Setup Screw listing Recycling Product description Optical drives Hard drivesDiskette drive Wireless Integrated Wlan options by way of wireless moduleAudio ModemOperating system Preinstalled Power requirementsPorts Keyboard/pointingServiceability End-user replaceable parts Restore mediaTop components External component identificationTouchPad Component FunctionTop components Buttons, lights, and speakerFn key KeysFront components Right-side components Left-side components Bottom components Wireless antennae select models only Serial number location Illustrated parts catalogComputer major components Computer major componentsDisplay assembly internal components Description Spare part numberKeyboards Fan Optical drive connector boardBattery RTC batteryIntel Core2 Duo processors Intel Celeron M processorsIntel 802.11a/b/g Wlan modules Intel 802.11b/g Wlan module for use in ThailandBroadcom 802.11b/g Wlan modules Illustrated parts catalog Item Description Spare part number Plastics Kit 456614-001 Plastics KitItem Description Spare part number Cable Kit 456594-001 Cable KitMass storage devices Miscellaneous parts Sequential part number listing Screw KitSpare part Description Number Ukraine, the United Kingdom, and Uzbekistan Zaire, Zambia, and Zimbabwe Illustrated parts catalog Sequential part number listing Pata Preliminary replacement requirements Removal and replacement proceduresService considerations Tools requiredCables and connectors Grounding guidelines Typical electrostatic voltage levelsEvent 10% 40% 55% Packaging and transporting guidelines Material Use Voltage protection level Equipment guidelinesUnknown user password Serial number Component replacement proceduresComputer feet Battery Hard drive Page Wlan module Description Spare part number Page Memory module Optical drive Page Switch cover Page For use Spare part number KeyboardPage Page Description Spare part number Speaker 456593-001 SpeakerDisplay lid switch module Display assembly Page Page Page Page Description Spare part number Top cover 495399-001 Top coverPage Page TouchPad board and TouchPad button board Page Bluetooth module System board Page Page Page Description Spare part number Fan 431312-001 FanPage Heat sink Page Processor Page Modem module Page Description Spare part number RTC battery 449137-001 RTC batteryExpressCard assembly Page Starting Computer Setup Computer SetupUsing Computer Setup Navigating and selecting in Computer SetupRestoring factory settings in Computer Setup Computer Setup menus File menuSelect To do this Security menu Diagnostics menuDisable System Configuration menuSelect Disconnected Specifications Computer specificationsMetric Inch, Wxga display specifications 250-GB 160-GB 120-GB Hard drive specificationsTransfer mode Access timeApplicable disc Read WriteApplicable disc Read Write DVD/CD-RW Combo Drive specificationsHardware DMA System function System DMA specificationsHardware IRQ System function System interrupt specificationsAddress hex System function shipping configuration System I/O address specificationsVGA Size Memory address System function System memory map specificationsScrew listing Color Quantity Length Thread Head diameter Black Phillips PM2.0×5.0 captive screwColor Quantity Length Thread Head diameter Silver 12.0 mm Phillips PM2.5×12.0 captive screwColor Quantity Length Thread Head diameter Silver Phillips PM3.0×4.0 screwPhillips PM2.5×4.0 screw Slotted Torx ST8M2.5×7.0 screw Page Phillips PM2.0×4.0 screw Page Torx T8M2.5×9.0 screw Torx T8M2.5×3.0 broadhead screw Torx T8M2.5×4.0 screw Page Phillips PM2.0×2.0 broadhead screw Color Quantity Length Thread Heat width Black Torx T8M2.5×6.0 screwPhillips PM2.0×6.0 screw Torx T8M2.0×4.0 screw Phillips PM2.5×7.0 screw Phillips PM2.5×7.0 captive screw Color Quantity Length Thread Head diameter Silver 10.0 mm Phillips PM2.5×10.0 captive screwPhillips PM2.0×8.0 screw Backup and recovery Backup and recovery in Windows Vista OverviewBacking up your information Using the Windows recovery tools Performing a recoveryUsing f11 Select Repair your computer Backup and Recovery in Windows XP Recovering your information Pin Signal Connector pin assignmentsAudio-out headphone Audio-in microphoneExternal monitor RJ-11 modem Universal Serial Bus RJ-45 networkRequirements for all countries and regions Power cord set requirementsCountry/region Accredited agency Applicable note number Requirements for specific countries and regionsBattery RecyclingDisplay Page Page Page Page Page Index Page Page DVD

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