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A-2
AT8050
www.kontron.com
A.2
Kontron I/O Mapping
Address
Optional Address
Function
000-01F
DMA Controller 1
020-03F
Interrupt Controller 1
040-05F
Timer
060-06F
Keyboard
070-07F
Real-time clock
080-09F
DMA Page Register
0A0-0BF
Interrupt Controller 2
0C0-0DF
DMA Controller 2
0F0-0F1, 0F8-0FF
Math Coprocessor
1F0-1F7, 3F6
Primary IDE
170-177, 376
Secondary IDE
378-37F
Parallel Port (Used as PLD POD)
3F8-3FF (COM1)
Serial Port 1 (COM1 by default)
2F8-2FF (COM2)
Serial Port 2 (COM2 by default)
400-7FF
Chipset Reserved
800-9FF
Chipset Reserved
A00-A1F
Kontron Registers (on-board)