User`s guide

Appendix A
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KEEX-2030 User’s Manual
Appendix A
System Resources
Interrupt Request (IRQ) Lines
IRQ #
Used For
Comment
0
Timer0
1
keyboard controller
2
Cascade
3
COM2
Note (1)
4
COM1
Note (1)
5
Free
6
Floppy disk controller
Note (1)
7
Free
8
Real Time Clock
9
ACPI-Compliant System
10
Free
11
COM3&4
Note (1)
12
PS/2 Mouse
Note (1)
13
Floating point unit (FPU /
NPU / Math coprocessor)
14
Primary IDE channel
Note (1)
15
Secondary IDE channel
Note (1)
Note: If the “Used For” device is disabled in setup, the corresponding interrupt
is available for other devices.