Advantech PCM-3362 User Manual download pdf (Page 75)

67 PCM-3362 User Manual

Appendix B System Assignments

* Audio DMA select 1, 3, or 5

** Parallel port DMA select 1 (LPT2) or 3 (LPT1)

B.4 Interrupt assignments

1 Available (audio)

2 Floppy disk (8-bit transfer)

3 Available (parallel port)

4 Cascade for DMA controller 1

5 Available

6 Available

7 Available

Table B.3: DMA channel assignments

Table B.4: Interrupt assignments

Interrupt# Interrupt source

IRQ 0 Interval timer

IRQ 1 Keyboard

IRQ 2 Interrupt from controller 2 (cascade)

IRQ 3 COM2

IRQ 4 COM1

IRQ 5 Reserved (COM4)

IRQ 6 FDD

IRQ 7 LPT1

IRQ 8 RTC

IRQ 9 Reserved (audio)

IRQ 10 Reserved (COM3)

IRQ 11 Reserved

IRQ 12 PS/2 mouse

IRQ 13 INT from co-processor

IRQ 14 Primary IDE

IRQ 15 Reserved

1 2 ... 70 71 72 73 74 75 76 77 78 79 80 ... 87 88

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