E.3 irq mapping table, E.4 dma channel assignments, Apping – IEI Integration NANO-9452 v4.02 User Manual
Page 207: Able, Hannel, Ssignments
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NANO-9452 EPIC Motherboard
Page 189
E.3 IRQ Mapping Table
IRQ0
System Timer IRQ8
RTC clock
IRQ1 Keyboard
IRQ9
ACPI
IRQ2 Available
IRQ10
LAN
IRQ3 COM2
IRQ11 LAN/USB2.0/SATA
IRQ4 COM1
IRQ12
PS/2 mouse
IRQ5 SMBus
Controller IRQ13
FPU
IRQ6 FDC
IRQ14
Primary IDE
IRQ7 Available
IRQ15
Secondary IDE
Table E-3: IRQ Mapping Table
E.4 DMA Channel Assignments
Channel
Function
0 Available
1 Available
2
Floppy disk (8-bit transfer)
3 Available
4
Cascade for DMA controller 1
5 Available
6 Available
7 Available
Table E-4: IRQ Mapping Table
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