1St Mb Memory Address Map; Irq Mapping Table; Dma Channel Assignments - ICP Electronics ROCKY-3786EV User Manual

1st MB Memory Address Map

Memory address
00000-9FFFF
A0000-BFFFF
C0000-C7FFF
F0000-FFFFF
1000000-
*Default Setting

IRQ Mapping Table

IRQ0 System Timer
IRQ1 Keyboard
IRQ2 Cascade to IRQ
Controller
IRQ3 COM2
IRQ4 COM1
IRQ5 Available
IRQ6 FDC
IRQ7 Printer

DMA Channel Assignments

Chann Function
el
0 Available
1 Available
2 Floppy disk ( 8-bit transfer )
3 Available
4 Cascade for DMA Controller 1
5 Available
6 Available
7 Available
Description
System memory
VGA buffer
VGA BIOS
System BIOS
Extend BIOS
IRQ8 RTC clock
IRQ9 Available
IRQ10 AC'97 CODEC
IRQ11 Intel 82562ET LAN
IRQ12 PS/2 mouse
IRQ13 FPU
IRQ14 Primary IDE
IRQ15 Secondary IDE
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