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KONTRON
24. Appendix A: System-Resource
Allocation
24.1 Interrupt Request (IRQ) Lines
In 8259 PIC mode (I/O APIC mode is disabled)
IRQ #
Use
Available
0
Timer0
1
Keyboard
2
Slave 8259
3
COM2
4
COM1
5
Sound
6
FDC
7
LPT1
8
RTC
9
SCI
10
COM4
11
COM3
12
PS/2 Mouse
13
FPU
14
IDE0
15
IDE1
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.
coolMONSTER/PM User's Guide
63
Comment
No
No
No
No
Note (1)
No
Note (1)
No
Note (1), Note (2)
No
Note (1)
No
Note (1)
No
Yes
Note (3)
No
Note (1)
No
Note (1)
No
Note (1)
No
No
Note (1)
No
Note (1)
Appendix A: System-Resource Allocation
In I/O APIC mode
IRQ #
Use
Available
0
Timer0
No
1
Keyboard
No
2
Slave 8259
No
3
COM2
No
4
COM1
No
5
Sound
No
6
FDC
No
7
LPT1
No
8
RTC
No
9
SCI
Yes
10
COM4
No
11
COM3
No
12
PS/2 Mouse
No
13
FPU
No
14
IDE0
No
15
IDE1
No
16
PIRQ[A]
For PCI
17
PIRQ[B]
For PCI
18
PIRQ[C]
For PCI
19
PIRQ[D]
For PCI
20
PIRQ[E]
No
21
PIRQ[F]
No
22
PIRQ[G]
No
23
PIRQ[H]
No
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.
(5) Available if IDE controller is in Native Mode.
24.2 Direct Memory Access (DMA) Channels
DMA #
Use
Available
0
Yes
1
Sound
No
2
FDC
No
3
Yes
4
Cascade
No
5
Yes
6
Yes
7
Yes
Notes:
(1) If the „used for"-device is disabled in setup, the corresponding DMA
channel is available for other devices.
(2) Possible setting for LPT1 if configured for ECP mode.
Appendix A: System Resource Allocations
KONTRON
Comment
Note (1)
Note (1)
Note (1), Note (2)
Note (1)
Note (1)
Note (3)
Note (1)
Note (1)
Note (1)
Note (1), Note (5)
Note (1), Note (5)
Comment
Note (1), (2)
Note (1)
Note (2)
64
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