2 in apic mode, In apic mode, Come-msp1 / system resources – Kontron COMe-mSP1 User Manual
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COMe-mSP1 / System Resources
5.1.2
In APIC mode
IRQ#
Used For
Available
Comment
0
Timer 0
No
-
1
Keyboard
No
-
2
Slave 8259
No
-
3
External SIO - COM2
Yes (No)
Note (1)
4
External SIO - COM1
Yes (No)
Note (1)
5
PCI
for PCI
Dynamic (BIOS default)
6
External SIO
Yes (No)
Note (1)
7
External SIO - LPT1
Yes (No)
Note (1)
8
RTC
No
-
9
ACPI
No
-
10
PCI
for PCI
Dynamic (BIOS default)
11
PCI
for PCI
Dynamic (BIOS default)
12
PS/2 Mouse
Yes (No)
Note (1)
13
FPU
No
-
14
primary IDE
No
Note (1)
15
PCI
for PCI
Dynamic (BIOS default)
16
PIRQ[A]
For PCI
PCI IRQ line 1 + US15W graphics + USB
UHCI Controller #1; Note (2)
17
PIRQ[B]
For PCI
PCI IRQ line 2 + LAN Controller + USB
UHCI Controller #2; Note (2)
18
PIRQ[C]
For PCI
PCI IRQ line 3 + USB UHCI Controller #3;
Note (2)
19
PIRQ[D]
For PCI
PCI IRQ line 4 + USB UHCI Controller #3;
Note (2)
20
PIRQ[E]
No
Note (2)
21
PIRQ[F]
No
Note (2)
22
PIRQ[G]
No
Note (2)
23
PIRQ[H]
No
Note (2)
(1) If the “Used For” device is disabled in setup, the corresponding interrupt is available
for other devices.
(2) ACPI Operating System decides on particular IRQ usage.
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