Filter
Top Products
User’s Manual
©2002 AEWIN Technologies Co., Ltd.. All rights reserved. Ver 1.0. Jan. 2005
50
Appendix A :System Resource
Interrupt Controller
The AW-A795 is a fully PC compatible control board, it consists of 16 ISA interrupt request
lines and most of them already in used by other part of the board. Please make sure that
the IRQs do not conflict if you would like to use extra add-on cards.
System IRQs are available to cards installed in the ISA expansion Bus first. Any
remaining IRQs then may be assigned to this PCI Bus. You are able to use the Microsoft’s
Diagnostic(MSD.EXE) utility include in Windows director to see their map.
IRQ Assignment
IRQ0 System Timer Output
IRQ1 Keyboard
IRQ2 Interrupt rerouting from IRQ8 through
IRQ15
IRQ3 Serial Port 2
IRQ4 Serial Port 1
IRQ5 USB Controller
IRQ6 Floppy Disk Controller
IRQ7 Parallel Port 1
IRQ8 Real Time Clock
IRQ9 Ethernet Controller
IRQ10 Reserved
IRQ11 USB Controller
IRQ12 Mouse
IRQ13 Math Coprocessor
IRQ14 Primary IDE Controller
IRQ15 Secondary IDE Controller
DMA Channel Assignment Channel 4 is by default used to cascade the two
controllers
Channel Assignment
DMA0 Available fir PCI and ISA Slot
DMA1 Available for PCI And ISA Slot
DMA2 Floppy Disk Controller
DMA3 Available for PCI and ISA Slot
DMA4 Cascade