Address
Device
Use
000-01F
DMA controller
System
020-03F
Interrupt controller
System
040-05F
Timer/Counter
System
060-06F
Keyboard Controller
System
070-07F
Real-time clock, NMI mask
System
080-09F
DMA page register
System
0A0-0BF
Interrupt controller
System
0F0
Clear math coprocessor busy
System
0F1
Reset math coprocessor
System
0F8-0FF
Math coprocessor
System
170-177
Second IDE controller
I/O
1F0-1F7
First IDE controller
I/O
200-207
Game port
I/O
278-27F
Parellel printer port #2
I/O
2F8-2FF
Serial port #2
I/O
378-37F
Parallel printer port #1
I/O
3B0-3BF
MGA/first printer port
I/O
3D0-3DF
CGA
I/O
3F0-3F7
FDD Controller
I/O
3F8-3FF
Serial port #1
I/O
FF80-FF9F
USB controller
I/O
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