Table 20: apic mode – Kontron COMe-cPV2(v1.0) User Manual
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Kontron microETXexpress-PV User’s Guide
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Table 20: APIC Mode
IRQ #
Used For
Availab
le
Comment
0
Timer0
No
-
1
Keyboard
No
-
2
Cascade
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
Note (2)
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]
No
PCI IRQ line 1 +
PCIe- Switch + + SATA
Bridge + USB client
(if enabled) (3)
17
PIRQ [B]
No
PCI IRQ line 2 +
18
PIRQ [C]
No
PCI IRQ line 3 + USB
UHCI 2832
19
PIRQ [D]
No
PCI IRQ line 4 +
PCIe- Switch + USB
UHCI 2831
20
PIRQ [E]
No
-
21
PIRQ [F]
No
HD Audio
22
PIRQ [G]
No
-
23
PIRQ [H]
No
USB EHCI 2836, USB
UHCI 2830
NOTES:
1) If the “Used For” device is disabled in setup, the interrupt
is available for other devices.
2) Not available if ACPI is used
3) ACPI OS decides on the particular IRQ usage