HP Pavilion Tx1000 Notebook Pc Series Service Guide
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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...
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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...
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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 -...
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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 ENWW System memory map specifications 89
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8Screw listing This section provides specification and reference information for the screws and screw locks used in the computer. All screws and screw locks li sted in this section are available in the Screw Kit, spare part number 441140-001, and the Display Screw Kit, spare part number 441124-001. 90 Chapter 8 Screw listing ENWW
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Phillips PM2.0×5.0 captive screw ColorQuantityLengthThreadHead width Black 4 5.0 mm 2.0 mm 5.0 mm Where used: (1) Two screws (secured by C-clips) that secure the hard drive cover to the computer (see Hard drive on page 38) (2) Two screws (secured by C-clips) that secure th e memory module compartment cover to the computer (see Memory module on page 43 ) ENWW Phillips PM2.0×5.0 captive screw 91
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Phillips PM3.0×3.0 screw ColorQuantityLengthThreadHead width Silver 4 3.0 mm 3.0 mm 5.0 mm Where used: 4 screws that secure the hard dr ive bracket to the hard drive (see Hard drive on page 38) 92 Chapter 8 Screw listing ENWW
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Phillips PM2.0×4.0 screw ColorQuantityLengthThreadHead width Black 23 4.0 mm 2.0 mm 5.0 mm Where used: (1) Two screws that secure the WWAN module to the computer (see WWAN module on page 40) (2) Two screws that secure the WLAN module to the computer (see WLAN module on page 44) Where used: One screw that secures the fingerprint reader board to the display bezel (see Display assembly on page 52) ENWW Phillips PM2.0×4.0 screw 93
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Where used: (1) One screw that secures the display inverter to the display assembly (see Display assembly on page 52) (2) Two screws that secure the display LE D board to the display assembly (see Display assembly on page 52) (3) Two screws that secure the display Quic kPlay board to the display assembly (see Display assembly on page 52) Where used: 3 screws that secure the to p cover to the computer (see Top cover on page 59) 94 Chapter 8 Screw listing ENWW
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Where used: 3 screws that secure the power switch assemb ly and the display release hook to the base enclosure (see Power switch assembly on page 63 ) Where used: 3 screws that secure the pen eject assembly and the pen holder to the base enclosure (see Pen holder on page 68) ENWW Phillips PM2.0×4.0 screw 95