System Resources; Interrupt Request (Irq) Lines; In 8259 Pic Mode - Kontron COMe-mSP1 User Manual

5 System Resources

5.1

Interrupt Request (IRQ) Lines

Please be aware that an ACPI OS decides itself on resource usage. The tables below show only an example distribution.
5.1.1

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.
49
Available
No
No
No
Yes (No)
Yes (No)
for PCI
Yes (No)
Yes (No)
No
No
for PCI
for PCI
Yes (No)
No
No
for PCI
COMe-mSP1 / System Resources
Comment
-
-
-
Note (1)
Note (1)
Dynamic (BIOS default)
Note (1)
Note (1)
-
-
Dynamic (BIOS default)
Dynamic (BIOS default)
Note (1)
-
Note (1)
Dynamic (BIOS default)