8 System Resources
Kontron User's Guide ETX®-CN8
45
8
System Resources
8.1
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 (1)
4
COM1
No
Note (1)
5
LPT2
Yes
Note (2)
6
Floppy Drive Controller
No
Note (1)
7
LPT1
No
Note (1)
8
RTC
No
9
SCI
No
Note (3)
10
COM3
Yes
Note (2)
11
COM4
Yes
Note (2)
12
PS/2 Mouse
No
Note (1)
13
FPU
No
14
IDE0
No
Note (1)
15
IDE1
No
Note (1)
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 SMC FDC37C669, and the device is enabled in
setup.
3 Unavailable in Advanced Configuration and Power Interface (ACPI) mode. Used as System Control Interrupt
(SCI) in ACPI mode.
Содержание ETX -CN8
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