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HP Dv7-1243cl HP Pavilion dv7 Entertainment PC - Maintenance and Service Guide - Page 132

System DMA specifications, AMD, System DMA specifications, Intel

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System DMA specifications, AMD Hardware DMA DMA4 System function Direct memory access controller System DMA specifications, Intel 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. 122 Chapter 6 Specifications

Section	Page
Product description	11
External component identification	17
Top components	17
Display components	17
Buttons, fingerprint reader, and speakers	19
Keys	21
TouchPad	22
Front components	23
Rear components	24
Right-side components	24
Left-side components	25
Bottom components	26
Illustrated parts catalog	27
Service tag	27
Computer major components	28
Display assembly components	39
AntiGlare display assembly spare parts	39
BrightView display assembly spare parts	41
Plastics Kit	43
Cable Kit	44
Mass storage devices	45
Miscellaneous parts	46
Sequential part number listing	47
Removal and replacement procedures	57
Preliminary replacement requirements	57
Tools required	57
Service considerations	57
Plastic parts	57
Cables and connectors	58
Drive handling	58
Grounding guidelines	59
Electrostatic discharge damage	59
Packaging and transporting guidelines	60
Workstation guidelines	60
Equipment guidelines	61
Unknown user password	62
Component replacement procedures	63
Service tag	63
Computer feet	64
Battery	64
Webcam/microphone module	66
Optical drive	67
Hard drive	69
TV tuner module	71
RTC battery	73
WLAN module	74
Memory module	77
Switch cover	79
Keyboard	81
Bluetooth module	84
Speaker assembly	85
Display assembly	86
Top cover	95
Fingerprint reader board	98
TouchPad on/off button board	99
TouchPad button board	100
Bluetooth module cable	101
Modem module	103
System board	104
Audio/infrared board	107
USB board	108
Fan	109
Subwoofer	110
Power connector cable	112
Modem module cable	113
TV tuner module cable	114
Heat sink	115
Processor	119
Setup Utility	121
Starting the Setup Utility	121
Using the Setup Utility	122
Changing the language of the Setup Utility	122
Display system information	122
Restoring default settings in the Setup Utility	123
Exiting the Setup Utility	123
Setup Utility menus	124
Main menu	124
Security menu	124
System Configuration menu	124
Diagnostics menu	125
Specifications	126
Computer specifications	126
17.0-inch, SXGA+ display specifications	127
17.0-inch WXGA display specifications	128
Hard drive specifications	129
Blu-ray Disc ROM Drive with SuperMulti DVD±R/RW Double-Layer	130
DVD±RW and CD-RW SuperMulti Double-Layer Combo Drive specifications	131
System DMA specifications, AMD	132
System DMA specifications, Intel	132
System interrupt specifications, AMD with graphics subsystems with discrete memory	133
System interrupt specifications, AMD with graphics subsystems with UMA memory	134
System interrupt specifications, Intel	135
System I/O address specifications, AMD	136
System I/O address specifications, Intel	138
System memory map specifications, AMD with graphics subsystems with discrete memory	140
System memory map specifications, AMD with graphics subsystems with UMA memory	141
System memory map specifications, Intel	142
Screw listing	143
Phillips PM2.5×6.0 captive screw	143
Phillips PM2.5×5.0 screw	144
Phillips PM2.0×4.0 screw	145
Phillips PM2.5×4.0 screw	148
Phillips PM3.0×4.0 screw	153
Phillips PM2.5×13.0 captive screw	154
Phillips PM2.0×3.0 broad-head screw	156
Phillips PM2.5×6.0 screw	157
Phillips PM2.5×4.0 broad-head screw	159
Phillips PM2.0×10.0 captive screw	160
Backup and Recovery	162
Recovering system information	162
Creating recovery discs	163
Backing up your information	164
When to back up	164
Backup suggestions	164
Using system restore points	164
When to create restore points	165
Create a system restore point	165
Restore to a previous date and time	165
Performing a recovery	166
Recovering from the recovery discs	166
Recovering from the dedicated recovery partition (select models only)	166
Connector pin assignments	167
1394	167
Audio-in (microphone)	168
Audio-out (headphone)	168
External monitor	169
HDMI	170
RJ-11 (modem)	171
RJ-45 (network)	171
Universal Serial Bus	172
Power cord set requirements	173
Requirements for all countries or regions	173
Requirements for specific countries or regions	174
Recycling	175
Battery	175
Display	175