System Resources; Interrupt Request (Irq) Lines - Kontron COMe-cHL6 User Manual

5 System Resources

5.1

Interrupt Request (IRQ) Lines

IRQ #
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
(1) If the "Used For" device is disabled in setup, the corresponding interrupt is available
for other device.
(2) Not available if ACPI is used
(3) ACPI OS decides on particular IRQ usage
(4) Depends on system configuration (onboard COM Port support and external SIO
presence)
50
Used For
Timer0
Keyboard
Cascade
COM2
COM1
SIO LPT/SD Controller
COM3
COM4
RTC
ACPI
-
-
PS/2 Mouse
-
-
-
LNK A
LNK B
LNK C
LNK D
LNK E
LNK F
LNK G
LNK H
Available
No
No
No
No
No
Note(4)
Note(4)
Note(4)
No
No
Yes
Yes
Note(4)
Yes
Yes
Yes
No
No
No
No
No
No
No
No
COMe-cHL6 / System Resources
Comment
-
-
-
onboard UART2
onboard UART1
external SIO LPT/SD Controller
external SIO COM1
external SIO COM1
-
-
-
-
external SIO
-
-
-
I.G.D + SA Audio + XHCI + Intel ME + USB
EHCI2 + PCIe RP 0 + PCIe RP 4; Note(3)
PCIe RP 1; Note(3)
PCIe RP 2 + SMBus; Note(3)
PCIe RP 3 + SATA; Note(3)
Onboard LAN;Note(3)
Note(3)
PCH HDA;Note(3)
USB EHCI#1