System ressources, Interrupt request (irq) lines, System – Kontron COMe-bCD2 User Manual
Page 44: Resources, 9system ressources, 1 interrupt request (irq) lines
9 System Ressources
Kontron User's Guide ETXexpress® CD
44
9
System Ressources
9.1
Interrupt Request (IRQ) Lines
In 8259 PIC mode:
IRQ #
Used For
Available
Comment
0
Timer0
No
1
Keyboard
No
2
Slave 8259
No
3
COM2
No
Note (2)
4
COM1
No
Note (2)
5
-
Yes
6
Reserved for FDC
No
7
LPT1
No
Note (2)
8
RTC
No
9
SCI
No
10
-
Yes
11
-
Yes
12
PS/2 Mouse
No
Note (2)
13
FPU
No
14
IDE0
No
Note (1)
15
SATA
No
Note (3)
Note:
1 If the “Used For” device is disabled in setup, the corresponding interrupt is available for other devices.
2 Unavailable if baseboard is equipped with an I/O controller Winbond W627, and the device is enabled in
setup. Always available in legacy free BIOS versions.
3 Unavailable in SATA legacy mode. It cannot be used for PCI, but for ISA bus, when SATA is in enhanced
mode.