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3F6 Primary Fixed Disk Controller
3F7 "A" Diskette Controller
3F8 - 3FF Serial Port (COM1/Default)
CF8 - CFB PCI Configuration Index Register (PCIDIV0-1)
CFC - CFF PCI Configuration Data Register (PCIDIV0-1)
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Chapter 8.12 System Memory Map
Table 8-20. System Memory Map
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Size Memory Address System Function
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640 K 00000000 - 0009FFFF Base Memory
128 K 000A0000 - 000BFFFF Video Memory
48 K 000C0000 - 000CBFFF Video BIOS
112K 000CC000 - 000E7FFF Unused
16 K 000E8000 - 000EBFFF PCI System BIOS - Unused after POST
12 K 000EC000 - 000EEFFF PnP System BIOS
4K 000EF000 - 000EFFFF EPP System BIOS
64K 000F0000 - 000FFFFF System BIOS
15 M 00100000 - 00FFFFFF Extended Memory
64 M 01000000 - 04FFFFFF Super Extended Memory
48 M 05000000 - 07FFFFFF Unused
2 M 08000000 - 080FFFFF Video Memory (Direct Access)
4 G 08200000 - FFFEFFFF Unused
64 K FFFF0000 - FFFFFFFF System BIOS ("SHADOW")
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