Advantech AIMB-781 - B.23 System I;O Ports; Table B.23:System I;O Ports; B.24 DMA Channel Assignments; Table B.24:DMA Channel Assignments

87 AIMB-781 User Manual
Appendix B I/O Pin Assignments
B.23 System I/O Ports
B.24 DMA Channel Assignments
Table B.23: 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
290-297 On-board hardware monitor
2F8-2FF Serial port 2
300-31F Prototype card
360-36F Reserved
380-38F SDLC, bisynchronous 2
3A0-3AF Bisynchronous 1
3B0-3BF Monochrome display and printer adapter (LPT1)
3C0-3CF Reserved
3D0-3DF Color/graphics monitor adapter
3F0-3F7 Diskette controller
3F8-3FF Serial port 1
Table B.24: DMA channel assignments
Channel Function
0 Available
1 Available
2 Available
3 Available
4 Cascade for DMA controller 1
5 Available
6 Available
7 Available