User manual

87 PCM-9363 User Manual
Appendix C System Assignments
C.3 DMA Channel Assignments
C.4 Interrupt Assignments
Table C.3: DMA channel assignments
Channel Function
0 Available
1 Reserved (audio)
2 Floppy disk (8-bit transfer)
3 Available (parallel port)
4 Cascade for DMA controller 1
5 Available
6 Available
7 Available
* Audio DMA select 1, 3, or 5
** Parallel port DMA select 1 (LPT2) or 3 (LPT1)
Table C.4: Interrupt assignments
Interrupt# Interrupt source
IRQ0 Interval timer
IRQ1 Keyboard
IRQ2 Interrupt from controller 2 (cascade)
IRQ3 COM2
IRQ4 COM1
IRQ5 Reserved
IRQ6 Reserved
IRQ7 LPT
IRQ8 RTC
IRQ9 Reserved
IRQ10 Reserved
IRQ11 COM3
IRQ12 PS/2 mouse
IRQ13 Math Coprocessor
IRQ14 Primary IDE
IRQ15 Secondary IDE