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Miscellaneous Technical Information
95
System I/O Address Map
Address Range
(hex)
Description
0000 - 000F Direct memory access controller
0010 - 001F Motherboard resources
0020 - 0021 Programmable interrupt controller
0022 - 002D Motherboard resources
002E - 002F Motherboard resources
0030 - 003F Motherboard resources
0040 - 0043 System timer
0044 - 005F Motherboard resources
0060 - 0060 Standard 101/102-Key or Microsoft Natural Keyboard
controller
0061 - 0061 System speaker
0062 - 0063 Motherboard resources
0064 - 0064 Standard 101/102-Key or Microsoft Natural Keyboard
controller
0065 - 006F Motherboard resources
0070 - 0073 System CMOS/real-time clock
0074 - 007F Motherboard resources
0080 - 0090 Direct memory access controller
0091 - 0093 Motherboard resources
0094 - 009F Direct memory access controller
00A0 - 00A1 Programmable interrupt controller
00A2 - 00BF Motherboard resources
00C0 - 00DF Direct memory access controller
00E0 - 00EF Motherboard resources
00F0 - 00FF Numeric data processor
0170 - 0177 Intel 82801AA bus master IDE controller
0170 - 0177 Secondary IDE controller (dual FIFO)
01F0 - 01F7 Intel 82801AA bus master IDE controller
01F0 - 01F7 Primary IDE controller (dual FIFO)
0201 - 0201 Vortex AU8810 gameport interface
0220 - 022F Vortez AU8810 Sound Blaster Pro emulation
0290 - 0297 Motherboard resources
0330 - 033F Vortex AU8810 MPU-401 interface