Manuals / HP / Computer Equipment / Laptop

HP C702LA, C721TU System DMA specifications, System memory map specifications, Hardware DMA, Size

Models: C779TU C798TU C754CA C757LA C720TU

1 139

Page 100

System DMA specifications

Hardware DMA	System function

DMA0	Not applicable

DMA1*	Not applicable

DMA2*	Not applicable

DMA3	Not applicable

DMA4	Direct memory access controller

DMA5*	Available for PC Card

DMA6	Not assigned

DMA7	Not assigned

*PC Card controller can use DMA 1, 2, or 5.

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

92 Chapter 6 Specifications

Page 100

Image 100

HP C702LA System DMA specifications, System memory map specifications, Hardware DMA, System function, Size, Memory address

Contents

Maintenance and Service Guide HP G7000 Notebook PC and Compaq Presario C700 Notebook PCCopyright 2007 Hewlett-Packard Development Company, L.P Safety warning notice iv Safety warning notice Table of contents Removal and replacement procedures1 Product description 2 External component identification Illustrated parts catalogSetup Utility SpecificationsBackup and recovery 9 Connector pin assignments10 Power cord set requirements Screw listing11 Recycling IndexBattery Display1 Product description CategoryDescription HP G7000Category DescriptionHP G7000 Compaq PresarioWireless CategoryDescription HP G7000Power requirements PreinstalledServiceability Category2 External component identification Top componentsDisplay components ComponentButtons and speakers Panel System and Maintenance PowerComponent DescriptionKeys ComponentFunction esc keyComponent LightsDescription TouchPad Top componentsComponent FunctionFront components Right-side componentsComponent FunctionComponent Left-side componentsFunction Bottom components 12 Chapter 2 External component identificationComponent Function3 Illustrated parts catalog Serial number locationComputer major components 14 Chapter 3 Illustrated parts catalogSpare part number Item DescriptionKeyboards Power connector cable Memory/wireless module compartment coverDescription Spare part numberRTC battery 6-cell, 2.20-Ah, 47-Wh Li-ion batteryDescription Spare part numberDescription Spare part numberBroadcom 802.11b/g WLAN module for use in Thailand Atheros AR2425 802.11b/g WLAN moduleComputer major components DescriptionSpare part number Optical drives include bezel and bracketDisplay assembly components DescriptionSpare part number Display bezelsDescription Spare part numberCamera module cable Display Screw Kit not illustratedPlastics Kit Item DescriptionSpare part number Plastics KitMass storage devices Mass storage devicesDescription Spare part numberMiscellaneous parts HP Remote ControlOptical wired mouse Power cordsDescription Spare part numberHong Kong and the United Kingdom 403811-031Sequential part number listing 26 Chapter 3 Illustrated parts catalogSpare part DescriptionSpare part Description number 28 Chapter 3 Illustrated parts catalog Spare partDescription numberSequential part number listing Spare partDescription number30 Chapter 3 Illustrated parts catalog Spare partDescription numberSequential part number listing Spare partDescription number4 Removal and replacement procedures Preliminary replacement requirementsService considerations Tools requiredCables and connectors Drive handlingGrounding guidelines Electrostatic discharge damagePackaging and transporting guidelines Workstation guidelinesEquipment guidelines Unknown user password Component replacement procedures Serial numberComputer feet DescriptionSpare part number Rubber Foot Kit includes 6 base enclosure rubber feetBattery Hard drive Reverse this procedure to reassemble and install the hard drive 42 Chapter 4 Removal and replacement procedures5. Remove the hard drive 3 from the hard drive bay 6. Remove the hard drive from the hard drive bayMemory module 44 Chapter 4 Removal and replacement procedures Reverse this procedure to install a memory module4. Remove the module 2 by pulling it away from the slot at an angle WLAN module DescriptionSpare part number Broadcom 802.11a/b/g WLAN modulesAfrican Republic, Chad, Chile, Colombia, Comoros, Congo, Costa Rica, Croatia, Cyprus, Czech Reverse this procedure to install a WLAN module Component replacement proceduresOptical drive Component replacement procedures 7. Remove the optical drive bracketKeyboard Component replacement procedures Remove the keyboard2. Turn the computer right-side up, with the front toward you 3. Open the computer as far as possible7. Remove the keyboard Reverse this procedure to install the keyboard 52 Chapter 4 Removal and replacement proceduresSwitch cover Reverse this procedure to install the switch cover 6. Remove the switch cover54 Chapter 4 Removal and replacement procedures For use only with HP G7000 computer models Display assemblyFor use only with Compaq Presario C700 computer models 5. Remove the display assembly 56 Chapter 4 Removal and replacement procedures2 Two rubber screw covers on the display bezel bottom edge Component replacement procedures3 Eight Phillips PM2.5×7.0 screws 58 Chapter 4 Removal and replacement procedures Component replacement procedures Camera module Component replacement procedures d. Switch cover see Switch cover on page e. Display assembly see Display assembly on pageTop cover a. Hard drive see Hard drive on pageComponent replacement procedures Remove the top cover1. Turn the computer upside down, with the front toward you 3. Turn the computer right-side up, with the front toward youCaps lock LED board f. Top cover see Top cover on paged. Switch cover see Switch cover on page e. Display assembly see Display assembly on pageComponent replacement procedures Reverse the above procedure to install the caps lock LED board3. Remove the caps lock LED board 2 from the top cover USB board d. Switch cover see Switch cover on pagee. Display assembly see Display assembly on page a. Hard drive see Hard drive on pageComponent replacement procedures Reverse this procedure to install the USB board3. Remove the USB board 3 from the base enclosure d. Switch cover see Switch cover on page e. Display assembly see Display assembly on pagea. Hard drive see Hard drive on page b. Optical drive see Optical drive on page3. Remove the fan Reverse this procedure to install the fan Component replacement proceduresSpeakers d. Switch cover see Switch cover on pagee. Display assembly see Display assembly on page a. Hard drive see Hard drive on pageComponent replacement procedures Reverse this procedure to install the speakers4. Remove the speakers 4 from the base enclosure System board d. Switch cover see Switch cover on pagee. Display assembly see Display assembly on page a. Hard drive see Hard drive on pageRTC battery see RTC battery on page Memory modules see Memory module on pageWLAN module see WLAN module on page Card reader board see Card reader board on pageReverse the preceding procedure to install the system board 74 Chapter 4 Removal and replacement proceduresRTC battery g. System board see System board on paged. Switch cover see Switch cover on page e. Display assembly see Display assembly on pageReverse this procedure to install the RTC battery 3. Remove the RTC battery76 Chapter 4 Removal and replacement procedures Card reader board d. Switch cover see Switch cover on pagee. Display assembly see Display assembly on page a. Hard drive see Hard drive on page78 Chapter 4 Removal and replacement procedures Reverse the above procedure to install the card reader board4. Remove the card reader board Heat sink d. Switch cover see Switch cover on pagee. Display assembly see Display assembly on page a. Hard drive see Hard drive on page80 Chapter 4 Removal and replacement procedures Reverse this procedure to install the heat sink3. Remove the heat sink Processor d. Switch cover see Switch cover on pagee. Display assembly see Display assembly on page a. Hard drive see Hard drive on pageReverse this procedure to install the processor 82 Chapter 4 Removal and replacement proceduresRemove the processor 3. Lift the processor 2 straight up and remove itPower connector cable d. Switch cover see Switch cover on pagee. Display assembly see Display assembly on page a. Hard drive see Hard drive on pageStarting the Setup Utility 5 Setup UtilityChanging the language of the Setup Utility Navigating and selecting in the Setup Utility Restoring default settings in the Setup Utility2. Select Exit Load Setup Defaults, and then press enter Displaying system informationUsing advanced Setup Utility features Closing the Setup UtilitySetup Utility menus Main menuSystem Configuration menu Diagnostics menuSecurity menu Select6 Specifications Computer specificationsDimensions Input power15.4-inch, WSXGA, BrightView display specifications DimensionsPixel resolution Total power consumptionHard drive specifications DimensionsOperating temperature 160-GBDVD±RW and CD-RW Super Multi Double-Layer Combo Drive specifications Access timeApplicable disc ReadSystem DMA specifications System memory map specificationsHardware DMA System functionHardware IRQ System interrupt specificationsSystem function System I/O address specifications 94 Chapter 6 SpecificationsSystem function shipping configuration I/O address hexSystem function shipping configuration System I/O address specificationsI/O address hex 7 Screw listing 96 Chapter 7 Screw listingWhere used Phillips PM2.0×5.0 captive screwPhillips PM3.0×3.0 screw ColorQuantity LengthBlack Phillips PM2.0×3.0 screw ColorQuantity LengthBlack Phillips PM2.0×4.0 screw ColorQuantity LengthBlack Phillips PM2.0×4.0 screw Phillips PM2.5×9.0 screw Where usedColor QuantityWhere used Ten screws that secure the top cover to the base enclosure Where used 4 screws that secure the display assembly to the computerPhillips PM2.5×9.0 screw Phillips PM2.5×4.0 screw ColorQuantity LengthWhere used One screw that secures the USB board to the base enclosure Where used 2 screws that secure the top cover to the base enclosurePhillips PM2.5×4.0 screw Where used One screw that secures the fan to the base enclosure Where used 2 screws that secure the speakers to the base enclosure106 Chapter 7 Screw listing Phillips PM2.5×7.0 screw Silver Phillips PM2.0×4.0 screw ColorQuantity LengthPhillips PM2.5×6.0 captive screw ColorQuantity Length8 Backup and recovery Recovering system informationWhen to back up Backing up your informationUsing system restore points Backup suggestionsWhen to create restore points Create a system restore point112 Chapter 8 Backup and recovery Creating recovery discs Restore to a previous date and time1. Select Start All Programs Recovery Manager Recovery Manager 3. Click Recovery disc creation, and then click NextPerforming a recovery Recovering from the recovery discsRecovering from the partition on the hard drive Select Start All Programs Recovery Manager Recovery Manager9 Connector pin assignments Audio-out headphoneAudio-in microphone Signal116 Chapter 9 Connector pin assignments External monitorSignal RJ-11 modem RJ-45 networkSignal SignalS-Video-out Universal Serial Bus118 Chapter 9 Connector pin assignments Signal10 Power cord set requirements Requirements for all countries or regionsRequirements for specific countries or regions 120 Chapter 10 Power cord set requirementsCountry/region Accredited agency11 Recycling BatteryDisplay 3. Remove the display bezel Perform the following steps to disassemble the display assembly122 Chapter 11 Recycling 7. Turn the display panel assembly upside down 6. Remove the display panel assembly 2 from the display enclosureDisplay 10. Remove the display panel frame 2 from the display panel 12. Lift the top edge of the backlight cover 2 and swing it outward13. Remove the backlight cover 14. Turn the display panel right-side up17. Remove the backlight frame from the display panel 16. Turn the display panel upside downDisplay 18. Remove the backlight from the backlight frame 19. Disconnect the display cable 1 from the LCD panel21. Release the LCD panel 3 from the display rear panel 23. Remove the LCD panel 24. Recycle the LCD panel and backlightIndex key components function keysleft-side components Page contents static-shielding materialsS-Video-out jack system DMA

System DMA specifications

Hardware DMA

System function

System memory map specifications

Size

Memory address