5 system resources, 1 interrupt request (irq) lines, System resources – Kontron COMe-bHL6 User Manual
Page 61: Interrupt request (irq) lines, Come-bhl6 / system resources
COMe-bHL6 / System Resources
5 System Resources
5.1
Interrupt Request (IRQ) Lines
IRQ #
Used For
Available
Comment
0
Timer0
No
-
1
Keyboard
No
-
2
Cascade
No
-
3
COM2
No
onboard UART2
4
COM1
No
onboard UART1
5
SIO LPT
Note(4)
external SIO LPT
6
COM3
Note(4)
external SIO COM1
7
COM4
Note(4)
external SIO COM2
8
RTC
No
-
9
ACPI
No
-
10
-
Yes
-
11
-
Yes
-
12
PS/2 Mouse
Note(4)
external SIO
13
FPU
No
-
14
-
Yes
-
15
-
Yes
-
16
LNK A
No
P.E.G + I.G.D + SA Audio + XHCI + Intel ME
+ USB EHCI2 + PCIe RP 0 + PCIe RP 4;
Note(3)
17
LNK B
No
PCIe RP 1 + PCIe RP 5; Note(3)
18
LNK C
No
PCIe RP 2 + PCIe RP 6 + SMBus; Note(3)
19
LNK D
No
PCIe RP 3 + SATA; Note(3)
20
LNK E
No
Onboard LAN;Note(3)
21
LNK F
No
Note(3)
22
LNK G
No
PCH HDA;Note(3)
23
LNK H
No
USB EHCI#1
(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)
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