System Resources; Interrupt Request (Irq) Lines - Kontron ETX-CD User Manual

5 System Resources

5.1

Interrupt Request (IRQ) Lines

In 8259 PIC mode:
IRQ #
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
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 SMC FDC37C669, and the
device is enabled in setup.
3 Unavailable in SATA legacy mode. It cannot be used for PCI, but for ISA bus, when SATA is
in enhanced mode.
34
Used For
Timer0
Keyboard
Slave 8259
COM2
COM1
LPT2
Floppy Drive Controller
LPT1
RTC
SCI
COM3
COM4
PS/2 Mouse
FPU
IDE0
SATA
Available
No
No
No
No
No
Yes
No
No
No
No
Yes
Yes
No
No
No
No
ETX®-CD / System Resources
Comment
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