User manual

Table Of Contents
85 PCA-6011 User Manual
A
ppendix B I/O Pin
A
ssignments
B.23 DMA Channel Assignments
B.24 Interrupt Assignments
C90-C97 COM5
C98-C9F COM6
4D0-4D1 Interrupt Controller
CF9 Reset Generator
Table B.22: System I/O Ports
Table B.23: DMA Channel Assignments
Channel Signal
0 Available
1 Available
2 Floppy disk (8-bit transfer)
3 Available
4 Cascade for DMA controller 1
5 Available
6 Available
7 Available
Table B.24: Interrupt Assignments
Priority Interrupt# Interrupt Source
1 NMI Parity error detected
2IRQ0Interval timer
3 IRQ1 Keyboard
- IRQ2 Interrupt from controller 2 (cascade)
4IRQ8Real-time clock
5 IRQ9 Cascaded to INT 0A (IRQ 2)
6 IRQ10 Available
7 IRQ11 Available
8IRQ12PS/2 mouse
9 IRQ13 INT from co-processor
10 IRQ14 IDE Channel
12 IRQ3 Serial communication port 2
13 IRQ4 Serial communication port 1
14 IRQ5 Parallel port 2
15 IRQ6 Diskette controller (FDC)
16 IRQ7 Parallel port 1 (print port)