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Miscellaneous Technical Information
95
System I/O Address Map
Address Range
(hex)
Description
0000 - 000F DMA controller
0010 - 001F System board resources
0020 - 0021 Programmable interrupt controller
0022 - 003F System board resources
0040 - 0043 System timer
0044 - 005F System board resources
0060 Standard 101/102-key or Microsoft Natural Keyboard
0061 System speaker
0062 - 0063 System board resources
0064 Standard 101/102-key or Microsoft Natural Keyboard
0065 - 006F System board resources
0070 - 0073 System CMOS/Real-time clock
0074 - 007F System board resources
0080 - 0090 DMA controller
0090 - 0093 System board resources
0094 - 009F DMA controller
00A0 - 00A1 Programmable interrupt controller
00A2 - 00BF System board resources
00C0 - 00DF DMA controller
00E0 - 00EF System board resources
00F0 - 00FF Numeric data processor
0170 - 0177 Intel 82371AB/EB PCI bus master IDE controller
Secondary IDE controller (dual FIFO)
01F0 - 01F7 Intel 82371AB/EB PCI bus master IDE controller
Primary IDE controller (dual FIFO)
0201 Vortex AU8830 Sound Blaster Pro emulation
0220-022F Vortex AU8830 Sound Blaster Pro emulation
0290 - 0297 System board resources
0330 - 033F Vortex AU8830 MPU 401 interface
0376 Intel 82371AB/EB PCI bus master IDE controller
Secondary IDE controller (dual FIFO)
0378 - 037F Printer port (LPT1)
0388 - 038B Vortex AU8830 Sound Blaster Pro emulation
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