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User’s Manual
WIN Enterprises, Inc.
Sept., 2010
74
Appendix C: System Resources
Interrupt Controller:
The PL-80160 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 PCI-PCI
Bridge
IRQ6 FDD
Controller
IRQ7 Ethernet
Controller
IRQ8 RTC
IRQ9 ISA/free
IRQ10 PCI-PCI
Bridge
IRQ11 Ethernet
Controller
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
DMA3 ISA/Free
DMA4
AT DMA controller /Cascade
DMA5 ISA/Free