Appendix B. Interrupt and DMA Resources
This appendix lists the settings for the default interrupt and direct memory access
(DMA) resources for your computer.
Note:
The interrupt and DMA settings might change under configuration control
or can be changed by using the Configuration/Setup Utility program.
Table 3. Interrupt Resources
Interrupt Request
System Resource
0
Timer
1
Keyboard
2
Interrupt Controller
3
1
Serial Port 2 or Infrared
4
1
Serial Port
5
1
Audio Adapter (if installed)
6
Diskette
7
1
Parallel Port
8
Real Time Clock
9
ACPI
10
Available
11
Available
12
1
Mouse
13
Coprocessor
14
IDE Drives (0, 1) if installed
15
IDE Drives (2, 3) if installed
Table 4. DMA Resources
DMA Request
Data Width
System Resource
0
8 bits
Audio adapter (if installed)
1
8 bits
Audio adapter (if installed)
2
8 bits
Diskette
3
1
8 bits
Parallel Port
4
–
Sys Resource
5
16 bits
Available
6
16 bits
Available
7
16 bits
Available
1
Can be modified to alternative settings or disabled.
Copyright IBM Corp. 1998
87
Summary of Contents for PC 300GL Type 6591
Page 1: ...Personal Computer Installing Options in Your Personal Computer PC 300GL Type 6591...
Page 2: ......
Page 3: ...Personal Computer Installing Options in Your Personal Computer PC 300GL Type 6591 IBM...
Page 14: ...xii Installing Options in Your Personal Computer...
Page 108: ...IBM Part Number 05L1940 Printed in U S A January 1998 5L194...