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MIO-5250 User Manual 60

B.1 System I/O Ports

B.2 DMA Channel assignments

Table B.1: System I/O Ports

Addr. Range (Hex) Device

000-01F DMA Controller

20h-2Dh Interrupt Controller

50h-52h Timer/Counter

060-06F 8042 (keyboard controller)

070-07F Real-time clock, non-maskable interrupt (NMI)mask

080-09F DMA page register

0A0-0BF 0A0-0BF

0C0-0DF DMA controller

170h-177h IDE Controller

1F0h-1F7h IDE Controller

299h-29Ah EC HM Index port and Data port

29Ch-29Dh EC Index port and Data port

2E8-2EF Communications Port (COM4)

2F8-2FF Communications Port (COM2)

3E8-3EF Communications Port (COM3)

3F8-3FF Communications Port (COM1)

0400 - 04FF Motherboard resources

0500 - 053F Motherboard resources

Table B.2: DMA Channel assignments

Channel Function

0 Available

1 Available

2 Available

3 Available

4 Direct memory access controller

5 Available

6 Available

7 Available

1 2 ... 65 66 67 68 69 70 71 72 73 74 75 76

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Advantech MIOe-DB5000 Manuale Utente Pagina 70