HP Pavilion Hdx9575la Entertainment Notebook Pc Service Guide
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System DMA specifications Hardware DMASystem function DMA0Not applicable DMA1*Not applicable DMA2*Not applicable DMA3Not applicable DMA4Direct memory access controller DMA5*Available for PC Card DMA6Not assigned DMA7Not assigned *PC Card controller can use DMA 1, 2, or 5. System DMA specifications 103
System interrupt specifications Hardware IRQSystem function IRQ0System timer IRQ1Standard 101-/102-Key or Microsoft® Natural Keyboard IRQ2Cascaded IRQ3Intel 82801DB/DBM USB2 Enhanced Host Controller—24CD IRQ4COM1 IRQ5*Conexant AC—Link Audio Intel 82801DB/DBM SMBus Controller— 24C3 Data Fax Modem with SmartCP IRQ6Diskette drive IRQ7*Parallel port IRQ8System CMOS/real-time clock IRQ9*Microsoft ACPI-compliant system IRQ10*Intel USB UHCI controller—24C2 Intel 82852/82855 GM/GME Graphic Controller Realtek RTL8139 Family PCI Fast Ethernet Controller IRQ11Intel USB EHCI controller—24CD Intel USB UHCI controller—24C4 Intel USB UHCI controller—24C7 Intel Pro/Wireless 2200BG TI OHCI 1394 host controller TI PCI1410 CardBus controller IRQ12Synaptics PS/2 TouchPad IRQ13Numeric data processor IRQ14Primary IDE channel IRQ15Secondary IDE channel *Default configuration; audio possible configurations are IRQ5, IRQ7, IRQ9, IRQ10, or none. NOTE:PC Cards may assert IRQ3, IRQ4, IRQ5, IRQ7, IRQ9, IRQ10, IRQ11, or IRQ15. Either the infrared or the serial port may assert IRQ3 or IRQ4. 104 Chapter 6 Specifications
System I/O address specifications 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 090 - 091Unused 092Port A 093 - 09FUnused 0A0 - 0A1Interrupt controller no. 2 I/O Address (hex)System function (shipping configuration) 0A2 - 0BFUnused 0C0 - 0DFDMA controller no. 2 0E0 - 0EFUnused 0F0 - 0F1Coprocessor busy clear/reset 0F2 - 0FFUnused 100 - 16FUnused 170 - 177Secondary fixed disk controller 178 - 1EFUnused 1F0 - 1F7Primary fixed disk controller 1F8 - 200Unused 201JoyStick (decoded in ESS1688) 202 - 21F Unused System I/O address specifications 105
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 - 3E1PC Card controller in CPU 3E2 - 3E3Unused 3E8 - 3EFInternal modem 3F0 - 3F7“A” diskette controller 3F8 - 3FFSerial port (COM1/default) CF8 - CFBPCI configuration index register (PCIDIVO-1) CFC - CFF PCI configuration data register (PCIDIVO-1) 106 Chapter 6 Specifications
System memory map specifications 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 System memory map specifications 107
7 Screw listing This section provides specification and reference information for the screws and screw locks used in the computer. All screws and screw locks listed in this section are available in the Screw Kit, spare part number 448172-001, and the Display Screw Kit, spare part number 452309-001. Phillips PM2.5×5.0 screw ColorQuantityLengthThreadHead diameter Black 49 5.0 mm 2.5 mm 5.0 mm Where used: 2 screws that secure the display bezel to the display assembly 108 Chapter 7 Screw listing
Where used: 10 screws that secure the display bezel to the display assembly Where used: (1) Two screws that secure the camera module to the display enclosure (2) Eight screws that secure the display panel to the display enclosure Phillips PM2.5×5.0 screw 109
Where used: 4 screws that secure the speakers to the display enclosure Where used: (1) Two screws that secure the WLAN module to the system board (2) One screw that secures the rear cover to the computer (3) Two screws that secure the top cover to the computer 110 Chapter 7 Screw listing
Where used: 2 screws that secure the TV tuner module to the system board Where used: (1) Four screws that secure the keyboard to the computer (2) Four screws that secure the top cover to the computer Phillips PM2.5×5.0 screw 111
Where used: 2 screws that secure the top cover to the computer Where used: (1) Two screws that secure the audio/infrared board to the base enclosure (2) One screw that secures the rear USB board to the base enclosure (3) Two screws that secure the front USB board to the base enclosure (4) One screw that secures the video connector board to the base enclosure 112 Chapter 7 Screw listing