HP CQ40-416TU, CQ40-417TU, CQ40-408AU manual System DMA specifications, Hardware DMA System function

Page 102

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

NOTE: The Compaq Presario CQ40 does not include a PC card.

94 Chapter 6 Specifications

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Contents Compaq Presario CQ40 Notebook PC First Edition April Document Part Number Safety warning notice Iv Safety warning notice Table of contents Setup Utility Screw listing Recycling Product description Hard drives WirelessCategory Description Optical drivesServiceability End-user replaceable parts Power requirementsOperating system Preinstalled Category Description External media cardTouchPad External component identificationTop components Component DescriptionLights Top componentsExternal component identification Panel System and Maintenance Power Options Buttons and speakersKeys Fn keyDisplay Wireless antennas Front components Left-side components Rear component Right-side componentsBottom components Service tag Illustrated part numbers catalogComputer major components Illustrated part numbers catalogKeyboard Power button board not illustratedSpeaker assembly Top coverDescription Spare part number Base enclosureBluetooth module Bluetooth module cable not illustratedBattery, 6-cell Li-Ion 2.2-Ah, 47-Wh Display assembly components 487283-001Plastics Kit Item Description Spare part number Plastics Kit 486862-001Mass storage devices Item Description Spare part numberMiscellaneous parts Internal display switch modulePower cord Description Spare part number PFC AC adapterSequential part number listing Spare part Description NumberSequential part number listing Illustrated part numbers catalog Service considerations Removal and replacement proceduresPreliminary replacement requirements Tools requiredCables and connectors Grounding guidelines Typical electrostatic voltage levelsEvent 10% 40% 55% Packaging and transporting guidelines Equipment guidelines Material Use Voltage protection levelComponent replacement procedures Service tagComputer feet Battery Optical drive Hard drive Page Wlan module Page RTC battery Page Memory module Page Keyboard For use Spare part numberPage Keyboard cover Page Power button board Speaker assembly Description Spare part number Speaker assembly 486865-001Page Display assembly Page Page Page Page Page Camera module Description Spare part number Camera module 487287-001Microphone module Top cover Page Page TouchPad button board Page Bluetooth module Description Spare part number Bluetooth module 483113-001Page Modem module select models only Page Audio board Page USB board Page Power connector cable Page System board Modem cable see Modem module select models only onPage Removal and replacement procedures Heat sink Page Processor Page Fan Description Spare part number Fan 486844-001Page Setup Utility Starting the Setup UtilityChanging the language of the Setup Utility Navigating and selecting in the Setup UtilityRestoring default settings in the Setup Utility Displaying system informationExiting the Setup Utility Setup Utility menus Select To do thisSelect Primary Hard Disk Self TestSpecifications Computer specifications14.1-in, Wxga BrightView display specifications Hard drive specifications Applicable disc Read Access timeTransfer mode WriteApplicable disc Read Write CD-DA, CD+EG, CD-MIDI, CDTEXT, CD-ROM, CD-ROM XASystem DMA specifications Hardware DMA System functionSystem interrupt specifications Hardware IRQ System functionSystem I/O address specifications Address hex System function shipping configurationSystem I/O address specifications System memory map specifications Size Memory address System functionScrew listing Phillips PM2.0×2.0 broadhead screw Color Quantity Length Thread Head diameter BlackPhillips PM2.0×3.0 screw black Phillips PM2.0×3.0 screw silver Color Quantity Length Thread Head diameter SilverPhillips PM2.0×4.0 screw Page Phillips PM2.0×10.0 captive screw Color Quantity Length Thread Head diameter Black 10.0 mmPhillips PM2.5×3.0 screw Page Page Phillips PM2.5×4.0 screw Phillips PM2.5×5.0 screw Page Page Phillips PM2.5×5.0 captive screw Phillips PM2.5×6.0 screw Page Phillips PM2.5×7.0 captive screw Phillips PM2.5×10.0 screw Phillips PM2.5×18.0 screw Color Quantity Length Thread Head diameter Black 18.0 mmPhillips PM3.0×3.0 screw Backup and recovery Recovering system informationCreating recovery discs Backing up your informationBackup suggestions Create a system restore point Performing a recovery Recovering from the recovery discsAudio-in microphone Connector pin assignmentsPin Signal Audio-out headphoneExternal monitor Hdmi RJ-11 modem select models only RJ-45 networkUniversal Serial Bus Power cord set requirements Requirements for all countries or regionsRequirements for specific countries or regions Country/region Accredited agency Applicable note numberBattery RecyclingDisplay Page Page Page Page Page Symbols/Numerics IndexPage Hdmi Page
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