Dma Channel Assignments; Interrupt Assignments - Advantech PCM-4825 User Manual

486-based single board computer with svga/lcd and audio interface
Hide thumbs Also See for PCM-4825:
Table of Contents

Advertisement

A.15 DMA channel assignments

DMA channel assignments

Channel
0
1
2
3
4
5
6
7
* Audio DMA select 0, 1 or 3
A.16 Interrupt assignments

Interrupt assignments

Priority
1
2
3
-
4
5
6
7
8
9
10
11
12
13
14
15
16
* PNP audio IRQ select: 5, 7,9, 10, 11 or 12
68
PCM-4825/4825L User's Manual
Function
Available
Available
Floppy disk (8-bit transfer)
Available
Cascade for DMA controller 1
Available
Available
Available
Interrupt#
Interrupt source
NMI
Parity error detected
IRQ 0
Interval timer
IRQ 1
Keyboard
IRQ 2
Interrupt from controller 2 (cascade)
IRQ 8
Real-time clock
IRQ 9
Cascaded to INT 0A (IRQ 2)
IRQ 10
Available
IRQ 11
Available
IRQ 12
PS/2 mouse
IRQ 13
INT from co-processor
IRQ 14
Fixed disk controller
IRQ 15
Available
IRQ 3
Serial communication port 2
IRQ 4
Serial communication port 1
IRQ 5
Parallel port 2
IRQ 6
Diskette controller (FDC)
IRQ 7
Parallel port 1 (print port)

Advertisement

Table of Contents
loading

This manual is also suitable for:

Pcm-4825l

Table of Contents