Advantech PCA-6176 Series Specifications download pdf (Page 127)

Appendix B Pin Assignments

115

B.19 DMA Channel Assignments

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

B.20 Interrupt Assignments

Interrupt assignments

Priority Interrupt# Interrupt source

1 NMI Parity error detected

2 IRQ 0 Interval timer

3 IRQ 1 Keyboard

- IRQ 2 Interrupt from controller 2 (cascade)

4 IRQ 8 Real-time clock

5 IRQ 9 Cascaded to INT 0A (IRQ 2)

6 IRQ 10 Available

7 IRQ 11 Available

8 IRQ 12 PS/2 mouse

9 IRQ 13 INT from co-processor

10 IRQ 14 Fixed disk controller

11 IRQ 15 Available

12 IRQ 3 Serial communication port 2

13 IRQ 4 Serial communication port 1

14 IRQ 5 Parallel port 2

15 IRQ 6 Diskette controller (FDC)

16 IRQ 7 Parallel port 1 (print port)

1 2 ... 122 123 124 125 126 127 128

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