Appendix a: system resources, A.1 interrupt request (irq) lines, Jrex plus lx user's guide – Kontron JRexplus-LX User Manual
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Appendix A: System Resources
JRexplus LX User's Guide
Appendix A: System Resources
A.1
Interrupt Request (IRQ) Lines
Please ensure that the chosen interrupt is not already in use by PCI devices.
IRQ #
Used for
Available
Comment
0
Timer 0
No
1
Keyboard
No
2
8259 Slave (Cascade)
No
3
Serial Port 2 (COM2)
No
Note (1)
4
Serial Port 1 (COM1)
No
Note (1)
5
PCI IRQ
for PCI
Dynamic (BIOS default)
6
Floppy Controller
No
Note (1)
7
Parallel Port 1 (LPT1)
No
Note (1)
8
Real Time Clock (RTC)
No
9
ACPI Power Management
No
Note (2)
10
PCI IRQ
for PCI
Dynamic (BIOS default)
11
PCI IRQ
for PCI
Dynamic (BIOS default)
12
PS/2 Mouse
No
Note (1)
13
Floating Point Unit (FPU)
No
14
P-ATA Controller (Primary)
No
Note (1)
15
P-ATA Controller (Secondary)
No
Note (3)
Note:
1)
If the
Used for device is disabled in the BIOS Setup the corresponding interrupt is free.
2)
Not available if ACPI is used.
3)
Not usable in Windows
®
, since a PCI P-ATA controller uses always two channels.