FIR-ULV600-DVR User Manual
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C0000-CFFFF
VGA BIOS
E0000-FFFFF
SYSTEM BIOS
100000
EXTEND MEMORY
A.3 IRQ Mapping Chart
IRQ0 System Timer
IRQ8
RTC CMOS clock
IRQ1 Keyboard
IRQ9
AC97 AUDIO
IRQ2 IRQ Controller
IRQ10 COM4
IRQ3 COM2 IRQ11
COM3
IRQ4 COM1 IRQ12
PS/2
mouse
IRQ5 USB IRQ13
FPU
IRQ6 Floppy Disk
Controller
IRQ14 Primary
IDE
IRQ7 Printer IRQ15
Secondary
IDE
A.4 DMA Channel Assignment
Channel Function
0 Available
1
Available
2 Floppy
disk
3 Available
4
Cascade for DMA controller 1
5 Available
6 Available
7 Available