HP Pavilion Dv4 1200 Entertainment Notebook Pc Series Manual

System interrupt specifications—AMD processors
Hardware IRQSystem function
ISA0High precision event timer
ISA1Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
ISA8High precision event timer
ISA12Alps Pointing-device (2 way)
ISA13Numeric data processor
ISA14ATA Channel 0
ISA15ATA Channel 1
PCI5Ricoh OHCI Compliant IEEE 1394 Host Controller
PCI7Ricoh Memory Stick Controller
PCI7Ricoh SD/MMC Host Controller
PCI7Ricoh xD-Picture Card Controller
PCI7SDA Standard Compliant SD Host Controller
PC10nVidia...

System I/O address specifications—Intel processors
I/O address (hex)System function (shipping configuration)
000 - 00FDMA controller no. 1
010 - 01FUnused
020 - 021Interrupt controller no. 1
022 - 024Opti chipset configuration registers
025 - 03FUnused
02E - 02F87334 “Super I/O” configuration for CPU
040 - 05FCounter/timer registers
044 - 05FUnused
060Keyboard controller
061Port B
062 - 063Unused
064Keyboard controller
065 - 06FUnused
070 - 071NMI enable/RTC
072 - 07FUnused
080 - 08FDMA page registers...

I/O address (hex)System function (shipping configuration)
220 - 22FEntertainment audio
230 - 26DUnused
26E - 26Unused
278 - 27FUnused
280 - 2ABUnused
2A0 - 2A7Unused
2A8 - 2E7Unused
2E8 - 2EFReserved serial port
2F0 - 2F7Unused
2F8 - 2FFInfrared port
300 - 31FUnused
320 - 36FUnused
370 - 377Secondary diskette drive controller
378 - 37FParallel port (LPT1/default)
380 - 387Unused
388 - 38BFM synthesizer—OPL3
38C - 3AFUnused
3B0 - 3BBVGA
3BC - 3BFReserved (parallel port/no EPP support)
3C0 - 3DFVGA
3E0 -...

System I/O address specifications—AMD processors
I/O address (hex)System function (shipping configuration)
000 - 008Direct memory access controller
000 - CF7PCI Bus
00A - 00FDirect memory access controller
010 - 01FMotherboard resources
020 - 021Programmable interrupt controller
022 - 03FMotherboard resources
040 - 043System timer
044 - 05FMotherboard resources
060 - 060Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
061 - 061System speaker
062 - 062Microsoft ACPI-Compliant Embedded Controller...

I/O address (hex)System function (shipping configuration)
360 - 361Motherboard resources
376 - 376ATA Channel 1
3B0 - 3BBnVidia MCP67M
3C0 - 3DFnVidia MCP67M
3F6 - 3F6ATA Channel 0
4D0 - 4D1Motherboard resources
0D00 - FFFFPCI bus
1000 - 107FMotherboard resources
1080 - 10FFMotherboard resources
1400 - 147FMotherboard resources
1480 - 14FFMotherboard resources
1800 - 187FMotherboard resources
1880 - 18FFMotherboard resources
3000 - 303FnVidia nFOrce PCI System Management
3040 - 307FnVidia nFOrce PCI...

System memory map specifications—Intel processors
SizeMemory addressSystem function
640 KB00000000-0009FFFFBase memory
128 KB000A0000-000BFFFFVideo memory
48 KB000C0000-000CBFFFVideo BIOS
160 KB000C8000-000E7FFFUnused
64 KB000E8000-000FFFFFSystem BIOS
15 MB00100000-00FFFFFFExtended memory
58 MB04800000-07FFFFFFSuper extended memory
58 MB04800000-07FFFFFFUnused
2 MB08000000-080FFFFFVideo memory (direct access)
4 GB08200000-FFFEFFFFUnused
64 KB FFFF0000-FFFFFFFF System BIOS
138 Chapter 6   Specifications 

System memory map specifications—AMD processors
Memory address (hex)System function
000A0000 - 000BFFFFnVidia MCP67M
000A0000 - 000BFFFFPCI bus
000C0000 - 000C3FFFPCI bus
000C4000 - 000C7FFFPCI bus
000C80000 - 00CBFFFPCI bus
000CC000 - 000CFFFFPCI bus
000D000 - 00D3FFFPCI bus
000D4000 - 000D7FFFPCI bus
000D800 - 00DBFFFPCI bus
000DC00 - 00DFFFFPCI bus
000E0000 - 00E3FFFPCI bus
000E4000 - 000E7FFFPCI bus
000E800 - 000EBFFFPCI bus
000EC00 - 000EFFFFPCI bus
000F0000 - 000FFFFFPCI bus
4000000 - FEBFFFFFPCI...

Memory address (hex)System function
F6487000 - F6487FFFStandard OpenHCD USB Host Controller
F6488000 - F6488FFFnVidia nForce Networking Controller
F6489000 - F64890FFStandard Enhanced PCI to USB Host Controller
FF6489400 - F64894FFStandard Enhanced PCI to USB Host Controller
F6489800 - F648980FnVidia nForce Networking Controller
F6489C00 - F6489CFFnVidia nForce Networking Controller
FEC00000 - FEC00FFFSystem board
FEC80000 - FEC80FFFSystem board
FED00000 - FED003FFHigh precision event timer
FEE00000 -...

7 Screw listing
This section provides specification and reference information for the screws and screw locks used in
the computer. All screws listed in this section are available in the Screw Kits.
DescriptionSpare part number
Screw Kits (includes all screws) 
●For use with standard display assemblies486873-001
●For use with Flush Glass display assemblies 496731-001
141 

Phillips PM1.5×9.0 slotted screw
ColorQuantityLengthThreadHead diameter
Black 2 9.0 mm 1.5 mm 4.0 mm
Where used: Two slotted screws that secure the system board to the base enclosure
142 Chapter 7   Screw listing