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HP Presario CQ41-100 Compaq Presario CQ41 Notebook PC - Maintenance and Servic - Page 107

System DMA specifications

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Specifications System DMA specifications Hardware DMA0 DMA1* DMA2* DMA3 DMA4 DMA5* DMA6 DMA7 DMA System function Reserve Reserve Reserve Reserve Direct memory access controller Reserve Reserve Reserve System memory map specifications (for models with discrete graphics subsystems) Size 128 KB 128 KB 128 KB 16 KB 16 KB 16 KB 16 KB 16 KB 16 KB 16 KB 16 KB 16 KB 128 KB 16 KB 16 KB 16 KB 256 MB 256 MB 368 MB 64 KB 1 MB Memory address 000A0000 - 000BFFFF 000A0000 - 000BFFFF 000A0000 - 000BFFFF 000C0000 - 000C3FFF 000C4000 - 000C7FFF 000C8000 - 000CBFFF 000CC000 - 000CFFFF 000D0000 - 000D3FFF 000D4000 - 000D7FFF 000D8000 - 000DBFFF 000DC000 - 000DFFFF 000E0000 - 000E3FFF 000E0000 - 000FFFFF 000E4000 - 000E7FFF 000E8000 - 000EBFFF 000EC000 - 000EFFFF E0000000 - EFFFFFFF E0000000 - EFFFFFFF E0000000 - F6FFFFFF F0000000 - F000FFFF F0000000 - F00FFFFF System function AMD PCI Express(3GIO) Filter Driver ATI Mobility Radeon HD 4330 Series PCI standard PCI-to-PCI bridge AMD PCI Express(3GIO) Filter Driver AMD PCI Express(3GIO) Filter Driver AMD PCI Express(3GIO) Filter Driver AMD PCI Express(3GIO) Filter Driver AMD PCI Express(3GIO) Filter Driver AMD PCI Express(3GIO) Filter Driver AMD PCI Express(3GIO) Filter Driver AMD PCI Express(3GIO) Filter Driver AMD PCI Express(3GIO) Filter Driver System Board AMD PCI Express(3GIO) Filter Driver AMD PCI Express(3GIO) Filter Driver AMD PCI Express(3GIO) Filter Driver ATI Mobility Radeon HD 4330 Series PCI standard PCI-to-PCI bridge AMD PCI Express(3GIO) Filter Driver Realtek RTL8102E/RTL8103E Family PCI-E Fast Ethernet NIC (NDIS 6.20) PCI standard PCI-to-PCI bridge (Continued) 6-6 Maintenance and Service Guide

Section	Page
Compaq Presario CQ41 Notebook PC	1
Contents	4
Product description	8
External component identification	12
Top components	12
TouchPad	12
Lights	13
Buttons and speakers	14
Keys	15
Display	16
Front components	17
Rear component	18
Right-side components	19
Left-side components	20
Bottom components	21
Wireless antennas	22
Additional hardware components	23
Illustrated parts catalog	24
Service tag	24
Computer major components	25
Display assembly	31
Plastics Kit	32
Mass storage devices	33
Miscellaneous parts	34
Sequential part number listing	35
Removal and replacement procedures	40
Preliminary replacement requirements	40
Tools required	40
Service considerations	40
Plastic parts	40
Cables and connectors	40
Drive handling	41
Grounding guidelines	41
Electrostatic discharge damage	41
Packaging and transporting guidelines	42
Workstation guidelines	42
Equipment guidelines	43
Component replacement procedures	44
Service tag	44
Computer feet	45
Battery	46
Hard drive	47
Memory module	49
RTC battery	51
WLAN module	53
Optical drive	59
Keyboard	60
Keyboard cover	63
Speaker assembly	65
Display assembly	67
Webcam/microphone module (select models only)	73
Microphone module	74
Top cover	75
Bluetooth module and cable (select models only)	77
Modem module	79
Audio board	81
USB board	83
Power connector and cable	85
System board	87
Fan/heat sink assembly or heat sink	91
Fan (for models with UMA graphics subsystems)	95
Processor	96
Setup Utility	98
Starting Setup Utility	98
Using Setup Utility	98
Changing the language of Setup Utility	98
Navigating and selecting in Setup Utility	99
Displaying system information	99
Restoring default settings in Setup Utility	99
Exiting Setup Utility	100
Setup Utility menus	100
Main menu	100
Security menu	100
System Configuration menu	101
Diagnostics menu	101
Specifications	102
Computer specifications	102
14.1-inch display specifications	103
Hard drive specifications	104
Blu-ray ROM with LightScribe DVD±R/RW SuperMulti Double-Layer Drive specifications	105
DVD±RW and CD-RW SuperMulti Double-Layer Combo Drive with LightScribe specifications	106
System DMA specifications	107
System memory map specifications (for models with discrete graphics subsystems)	107
System memory map specifications (for models with UMA graphics subsystems)	109
System interrupt specifications (for models with discrete graphics subsystems)	110
System interrupt specifications (for models with UMA graphics subsystems)	111
System I/O address specifications (for models with discrete graphics subsystems)	112
System I/O address specification (for models with UMA graphics subsystems)	114
Screw listing	116
Phillips PM2.0×3.0 broadhead screw	116
Phillips PM2.0×3.0 screw	117
Phillips PM2.0×4.0 screw	119
Phillips PM2.0×10.0 captive screw	121
Phillips PM2.5×3.0 screw	122
Phillips PM2.5×4.0 screw	124
Phillips PM2.5×5.0 screw	125
Phillips PM2.5×5.0 captive screw	129
Phillips PM2.5×6.0 screw	130
Phillips PM2.5×7.0 captive screw	132
Phillips PM2.5×10.0 screw	133
Phillips PM2.5×17.0 screw	134
Phillips PM3.0×3.0 screw	135
Backup and recovery	136
Overview	136
Creating recovery discs	137
Backing up your information	138
Using Windows Backup and Restore	139
Using system restore points	139
When to create restore points	139
Create a system restore point	140
Restore to a previous date and time	140
Performing a recovery	140
Recovering from the recovery discs	141
Recovering from the dedicated recovery partition (select models only)	141
Connector pin assignments	142
Audio-in (microphone)	142
Audio-out (headphone)	142
External monitor	143
HDMI	144
RJ-11 (modem) (select models only)	145
RJ-45 (network)	146
Universal Serial Bus	147
Power cord set requirements	148
Requirements for all countries and regions	148
Requirements for specific countries and regions	149
Recycling	150
Battery	150
Display	150

Match case Limit results 1 per page

6–6

Maintenance and Service Guide

Specifications

System DMA specifications

System memory map specifications (for models with discrete graphics

subsystems)

Hardware

DMA System function

DMA0

Reserve

DMA1*

Reserve

DMA2*

Reserve

DMA3

Reserve

DMA4

Direct memory access controller

DMA5*

Reserve

DMA6

Reserve

DMA7

Reserve

Size

Memory address

System function

128 KB

000A0000 - 000BFFFF

AMD PCI Express(3GIO) Filter Driver

128 KB

000A0000 - 000BFFFF

ATI Mobility Radeon HD 4330 Series

128 KB

000A0000 - 000BFFFF

PCI standard PCI-to-PCI bridge

16 KB

000C0000 - 000C3FFF

AMD PCI Express(3GIO) Filter Driver

16 KB

000C4000 - 000C7FFF

AMD PCI Express(3GIO) Filter Driver

16 KB

000C8000 - 000CBFFF

AMD PCI Express(3GIO) Filter Driver

16 KB

000CC000 - 000CFFFF

AMD PCI Express(3GIO) Filter Driver

16 KB

000D0000 - 000D3FFF

AMD PCI Express(3GIO) Filter Driver

16 KB

000D4000 - 000D7FFF

AMD PCI Express(3GIO) Filter Driver

16 KB

000D8000 - 000DBFFF

AMD PCI Express(3GIO) Filter Driver

16 KB

000DC000 - 000DFFFF

AMD PCI Express(3GIO) Filter Driver

16 KB

000E0000 - 000E3FFF

AMD PCI Express(3GIO) Filter Driver

128 KB

000E0000 - 000FFFFF

System Board

16 KB

000E4000 - 000E7FFF

AMD PCI Express(3GIO) Filter Driver

16 KB

000E8000 - 000EBFFF

AMD PCI Express(3GIO) Filter Driver

16 KB

000EC000 - 000EFFFF

AMD PCI Express(3GIO) Filter Driver

256 MB

E0000000 - EFFFFFFF

ATI Mobility Radeon HD 4330 Series

256 MB

E0000000 - EFFFFFFF

PCI standard PCI-to-PCI bridge

368 MB

E0000000 - F6FFFFFF

AMD PCI Express(3GIO) Filter Driver

64 KB

F0000000 - F000FFFF

Realtek RTL8102E/RTL8103E Family PCI-E Fast Ethernet NIC (NDIS 6.20)

1 MB

F0000000 - F00FFFFF

PCI standard PCI-to-PCI bridge

(Continued)