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6.2.4 I/O Port Address Map
Each peripheral device in the system is assigned a set of I/O port addresses, which also
becomes the identity of the device. There is a total of 1K-port address space available. The
following table lists the I/O port addresses used on the Industrial CPU Card.
Address
Device Description
000h - 01Fh DMA Controller #1
020h - 03Fh Interrupt Controller #1
040h - 05Fh Timer
060h - 06Fh Keyboard Controller
070h - 073h Real Time Clock, NMI
080h - 09Fh DMA Page Register
0A0h - 0BFh Interrupt Controller #2
0C0h - 0DFh DMA Controller #2
0F0h
Clear Math Coprocessor Busy Signal
0F1h
Reset Math Coprocessor
1F0h - 1F7h IDE Interface
290h – 297h System Chipset
2E8h – 2EFh Serial Port #4(COM4)
2F8h - 2FFh Serial Port #2(COM2)
2B0 - 2DF
Graphics adapter Controller
378h - 3FFh Parallel Port #1(LPT1)
360 - 36F
Network Ports
3B0 - 3BF
Monochrome & Printer adapter
3C0 - 3CF
EGA adapter
3D0 - 3DF CGA adapter
3E8h – 3EFh Serial Port #3(COM3)
3F0h - 3F7h Floppy Disk Controller
3F8h - 3FFh Serial Port #1(COM1)
Содержание CPU-2616 PCI-104
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