HP 550 HP 550 Notebook PC - Maintenance and Service Guide - Page 102
Specifications, I/O address hex, System function shipping configuration
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I/O address (hex) 220 - 22F 230 - 26D 26E - 26 278 - 27F 280 - 2AB 2A0 - 2A7 2A8 - 2E7 2E8 - 2EF 2F0 - 2F7 2F8 - 2FF 300 - 31F 320 - 36F 370 - 377 378 - 37F 380 - 387 388 - 38B 38C - 3AF 3B0 - 3BB 3BC - 3BF 3C0 - 3DF 3E0 - 3E1 3E2 - 3E3 3E8 - 3EF 3F0 - 3F7 3F8 - 3FF CF8 - CFB CFC - CFF System function (shipping configuration) Entertainment audio Unused Unused Unused Unused Unused Unused Reserved serial port Unused Infrared port Unused Unused Secondary diskette drive controller Parallel port (LPT1/default) Unused FM synthesizer-OPL3 Unused VGA Reserved (parallel port/no EPP support) VGA ExpressCard controller in CPU Unused Internal modem "A" diskette controller Serial port (COM1/default) PCI configuration index register (PCIDIVO-1) PCI configuration data register (PCIDIVO-1) 94 Chapter 6 Specifications
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