23 Appendix A: System-Resource Allocation
Kontron User's Guide EPIC/CE
62
23
Appendix A: System-Resource Allocation
23.1
Interrupt Request (IRQ) Lines
In 8259 PIC mode with I/O APIC mode disabled:
IRQ #
Use
Available
Comment
0
Timer0
No
1
Keyboard
No
2
Slave 8259
No
3
COM2
No
Note (1)
4
COM1
No
Note (1)
5
Sound
No
Note (1), Note (2), Note (4)
6
FDC
No
Note (1)
7
LPT1
No
Note (1)
8
RTC
No
9
SCI
Yes
Note (3)
10
COM4
No
Note (1)
11
COM3
No
Note (1)
12
PS/2 Mouse
No
Note (1)
13
FPU
No
14
IDE0
No
Note (1)
15
CompactFlash IDE1
No
Note (1)
Notes
: (1)
If the „used for“-device is disabled in setup, the corresponding interrupt is available for other
devices.
(2)
Possible setting for LPT1. IRQ7 is the default setting.
(3)
Available in default configuration. IRQ 9 is used as SCI, if ACPI is enabled.
(4)
Used in Soundblaster compatibility mode.
Summary of Contents for EPIC/CE
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