Advantech AIMB-258 Manuel d'utilisateur télécharger pdf (Page 81)

73 AIMB-258 User Manual

Appendix B Pin Assignments

B.16 System I/O Ports

B.17 DMA Channel Assignments

Table B.16: System I/O Ports

Addr. range (Hex) Device

000-01F DMA controller

020-021 Interrupt controller 1, master

022-023 Chipset address

040-05F 8254 timer

060-06F 8042 (keyboard controller)

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

mask

080-09F DMA page register

0A0-0BF Interrupt controller 2

0C0-0DF DMA controller

0F0 Clear math co-processor

0F1 Reset math co-processor

0F8-0FF Math co-processor

1F0-1F8 Fixed disk

200-207 Game I/O

290-29F On-board hardware monitor

2F8-2FF Serial port 2

300-31F Prototype card

360-36F Reserved

380-38F SDLCm bisynchronous 2

3A0-3AF Bisynchronous 1

3C0-3CF Reserved

3D0-3DF Color/graphics monitor adapter

3F0-3F7 Diskette controller

3F8-3FF Serial port 1

3E8-3EF Serial port3

2E8-2EF Serial port4

4F8-4FF Serial port5

4E8-4EF Serial port6

Table B.17: DMA Channel Assignments

Channel Function

0 Available

1 Available

2 Floppy disk (8-bit transfer)

3 Available

4 Cascade for DMA controller 1

5 Available

6 Available

7 Available

1 2 ... 76 77 78 79 80 81 82 83 84

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Advantech AIMB-258 Manuel d'utilisateur Page 81

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