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User’s Manual
Custom Embedded Solutions
WIN Enterpris es, Inc ., s ales @win-ent.c om
www.win-ent.com
, (978) 688-2000
61
Appendix C: System Resources
Interrupt Controller:
The PL-80240 is a fully PC compatible appliance. If you would like to use
extra add-on cards, please make sure that the IRQs do not conflict.
Any remaining IRQs then may be assigned to this PCI Bus. You are able to
use Microsoft’s Diagnostic (MDS.EXE) utility included in Windows directory to
see their map.
IRQ
Assignment
IRQ0
Timer
IRQ1
Keyboard
IRQ2
Interrupt rerouting from IRQ8 through IRQ15
IRQ3
COM2
IRQ4
COM1
IRQ5
Flash Controller
IRQ6
FDD Controller
IRQ7
LPT1
IRQ8
RTC
IRQ9
ISA/free
IRQ10
PCI-PCI Bridge
IRQ11
PCI System Device
IRQ12
ISA/free
IRQ13
Coprocessor
IRQ14
IDE Controller
IRQ15
IDE Controller
DMA Channel Assignment:
Channel 4 is by default used to cascade to two controllers
Channel
Assignment
DMA0
ISA/Free
DMA1
ISA/Free
DMA2
FDD Controller