Kontron AT8050 - Manual (Page 138)

A-2 AT8050
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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)