HP Pavilion Dv3 1253nr Entertainment Notebook Pc Manual
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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 - 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) System I/O address specifications 73
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 either the Screw Kit, spare part number 506961-001, or the Display Screw Kit, spare part number 506228-001. Phillips PM2.0×2.0 broadhead screw ColorQuantityLengthThreadHead diameter Black 2 2.0 mm 2.0 mm 5.0 mm Where used: Two screws that secure the fingerprint reader board to the top cover 74 Chapter 7 Screw listing
Phillips PM2.0×3.0 captive screw ColorQuantityLengthThreadHead diameter Silver 5 3.0 mm 2.0 mm 4.5 mm Where used: Four screws that secure the display panel to the display enclosure Where used: One screw that secures the Bluetooth module to the computer Phillips PM2.0×3.0 captive screw 75
Phillips PM2.0×4.0 screw ColorQuantityLengthThreadHead diameter Silver 2 4.0 mm 2.0 mm 4.5 mm Where used: Two screws that secure the WLAN module to the computer 76 Chapter 7 Screw listing
Phillips PM2.0×8.0 captive screw ColorQuantityLengthThreadHead diameter Black 3 8.0 mm 2.0 mm 5.0 mm Where used: Three captive screws (secured by C-clips) that secure the heat sink retention clip to the heat sink Phillips PM2.0×8.0 captive screw 77
Phillips PM2.5×4.0 screw ColorQuantityLengthThreadHead diameter Silver 8 4.0 mm 2.5 mm 4.5 mm Where used: Two screws that secure the hard drive to the computer Where used: One screw that secures the power button board to the switch cover 78 Chapter 7 Screw listing
Where used: Two screws that secure the speakers to the computer Where used: Three screws that secure the system board to the computer Phillips PM2.5×4.0 screw 79
Phillips PM2.5×5.0 screw ColorQuantityLengthThreadHead diameter Black 7 5.0 mm 2.5 mm 5.0 mm Where used: Three screws that secure the switch cover to the computer Where used: Two screws that secure the display bezel to the display 80 Chapter 7 Screw listing
Where used: Two screws that secure the display hinges to the display Phillips PM2.5×5.0 screw 81
Phillips PM2.5×6.0 captive screw ColorQuantityLengthThreadHead diameter Black 5 6.0 mm 2.5 mm 5.0 mm Where used: (1) Two captive screws (secured by a C-clip) that secure the WLAN compartment cover to the computer (2) Two captive screws (secured by C-clips) that secure the memory module compartment cover to the computer (3) One captive screw (secured by C-clips) that secures the hard drive cover to the computer 82 Chapter 7 Screw listing