3Com PC CARD ADAPTER User Manual
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Configuration Options B-3The MMIO address selected must not be assigned for use byany other adapter or option and cannot be the same as theRAM address for this adapter. If a system resource conflictcontinues, you may have to change the settings of otheradapters or options that are in your computer.Shared RAM Page Size and Address RangeThere are 30 possible blocks of memory that can be assignedfor accessing the RAM located on the 3C689 adapter. Thefactory default RAM size is 16 KB and the address location isD0000–D3FFF.RAM paging allows the software to access all 64 KB of RAMon the adapter one page (16 KB) at a time, while using only16 KB of computer memory space. RAM paging is availablefor all 16 KB address ranges.If a conflict continues, you may have to change the settingsof other adapters or options that are in your computer. The30 RAM address ranges are as follows, with the default inbold:8 KB / C0000–C1FFF 8 KB / DE000–DFFFF8 KB / C2000–C3FFF 16 KB / C0000–C3FFF8 KB / C4000–C5FFF 16 KB / C4000–C7FFF8 KB / C6000–C7FFF 16 KB / C8000–CBFFF8 KB / C8000–C9FFF 16 KB / CC000–CFFFF8 KB / CA000–CBFFF 16 KB / D0000–D3FFF8 KB / CC000–CDFFF 16 KB / D4000–D7FFF8 KB / CE000–CFFFF 16 KB / D8000–DBFFF8 KB / D0000–D1FFF 16 KB / DC000–DFFFF8 KB / D2000–D3FFF 32 KB / C0000–C7FFF8 KB / D4000–D5FFF 32 KB / C8000–CFFFF8 KB / D6000–D7FFF 32 KB / D0000–D7FFF8 KB / D8000–D9FFF 32 KB / D8000–DFFFF8 KB / DA000–DBFFF 64 KB / C0000–CFFFF8 KB / DC000–DDFFF 64 KB / D0000–DFFFF |
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