HP Pavilion Dv7 4000 Entertainment Notebook Pc Series Manual

Specifications
Maintenance and Service Guide6–5
DVD±RW and CD-RW SuperMulti Double-Layer Combo Drive specifications
System DMA specifications
Applicable disc  Read:  Write: 
CD-DA, CD+(E)G, CD-MIDI, 
CDTEXT, CD-ROM, CD-ROM 
XA, MIXED MODE CD, CD-I, 
CD-I Bridge (Photo- CD, Video 
CD), Multisession CD 
(Photo-CD, CD-EXTRA, 
Portfolio, CDR, CD-RW), 
CD-R, CD-RW, DVD-ROM 
(DVD-5, DVD-9, DVD-10, 
DVD-18), DVD-R, DVD-RW, 
DVD+R, DVD+RW, DVD-RAMCD-R and CD-RW
DVD+R, DVD+RW, DVD-R, 
DVD-RW, DVD-RAM
Access time...

6–6Maintenance and Service Guide
Specifications
System interrupt specifications
Hardware IRQ System function 
IRQ0 System timer 
IRQ1 Standard 101-/102-Key or Microsoft® Natural Keyboard 
IRQ2 Cascaded
IRQ3 Intel 82801DB/DBM USB2 Enhanced Host Controller—24CD
IRQ4 COM1
IRQ5* Conexant AC—Link Audio Intel 82801DB/DBM SMBus Controller—24C3 Data 
Fax Modem with SmartCP
IRQ6 Diskette drive
IRQ7* Parallel port
IRQ8 System CMOS/real-time clock 
IRQ9* Microsoft ACPI-compliant system
IRQ10* Intel USB UHCI...

Specifications
Maintenance and Service Guide6–7
System I/O address specifications
I/O address (hex)  System function (shipping configuration) 
000 - 01F  DMA controller channel 0-3
CF7 PCI Bus on MS ACPI-Compliant System
020 - 021  Program interrupt controller (Master controller)
024 - 025  Program interrupt controller (Aliases)
028 - 029 Program interrupt controller (Aliases)
02C - 03D Program interrupt controller (Aliases)
02E - 02F Motherboard resource (LPC controller)
030 - 031 Program interrupt...

6–8Maintenance and Service Guide
Specifications
0C0-0DF  Direct memory access controller channel 4-7
F0 Numeric data processor
380-383 ENE CIR Receiver
384-38E EC
3B0-3BB VGA
3C0-3DF VGA
400-47F LPC
4D0-4D1 Programmable interrupt controller
500-53F LPC
600-60F LPC
610 LPC
800-80F LPC
810-817 LPC
820-823 LPC
D00-FFFF PCI Bus on MS ACPI-Compliant System
164E-164F LPC
2000-20FF  ICH9 Family PCI Express Root Port 6 (B0/D28/F5)
3000-3FFF ICH9 Family PCI Express Root Port 5 (B0/D28/F4)
4000-4FFF  ICH9 Family...

Specifications
Maintenance and Service Guide6–9
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...

Maintenance and Service Guide7–1
7
Screw listing
This section provides specification and reference information for the screws used in the computer. Some screws 
listed in this section are available in the Screw Kit, spare part number 516498-001. 
Phillips PM2.0×3.0 black screw
Where used: 2 screws that secure the mounting bracket to the hard drive
Color Quantity Length Thread Head diameter 
Black  9 3.0 mm  2.0 mm 5.0 mm  

7–2Maintenance and Service Guide
Screw listing
Where used: One screw that secures the WLAN to the system board
Where used: One screw that secures the TV tuner to the system board  

Screw listing
Maintenance and Service Guide7–3
Where used: One screw that secures the Bluetooth module to the top cover
Where used: 4 screws that secure the display hinge to the display panel 

7–4Maintenance and Service Guide
Screw listing
Phillips PM2.0×3.0 silver screw
Where used: 3 screws that secure the keyboard to the computer
Color Quantity Length Thread Head diameter 
Silver 3 3.0 mm  2.0 mm 5.0 mm  

Screw listing
Maintenance and Service Guide7–5
Phillips PM2.5×3.0 screw
 U 
Where used: 2 screws that secure the modem to the system board
Where used: One screw that secures the audio/infrared board to the system board
Color Quantity Length Thread Head diameter 
Black  3 3.0 mm  2.5 mm 5.0 mm