System Ressources; Interrupt Request (Irq) Lines; In 8259 Pic Mode - Kontron nanoETXexpress-SP User Manual

6

System Ressources

6.1 Interrupt Request (IRQ) Lines

Please be aware that an ACPI OS decides itself on resource usage. The tables below show only an example distribution.

6.1.1 In 8259 PIC Mode

IRQ# Used For
0 Timer 0
1 Keyboard
2 Slave 8259
3 External SIO - COM2
4 External SIO - COM1
5 PCI
6 External SIO
7 External SIO - LPT1
8 RTC
9 ACPI
10 PCI
11 PCI
12 PS/2 Mouse
13 FPU
14 Primary IDE
15 PCI
1 If the "Used For" device is disabled in setup, the corresponding interrupt is available for
other devices.
50
Available Comment
No
No
No
Yes (No) Note (1)
Yes (No) Note (1)
for PCI Dynamic (BIOS default)
Yes (No) Note (1)
Yes (No) Note (1)
No
No
for PCI Dynamic (BIOS default)
for PCI Dynamic (BIOS default)
Yes (No) Note (1)
No
No Note (1)
for PCI Dynamic (BIOS default)
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