Advantech PCM-9376, User Manual

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61 PCM-9376 User Manual
Appendix B
S
ystem
Assignment
B.2 1st MB Memory Map
B.3 Interrupt Assignments
Table B.2: 1
st
MB Memory Map
Addr. Range (Hex) Device
F0000h - FFFFFh System ROM
D0000h – E7FFFh Unused (reserved for Ethernet ROM)
C0000h – CFFFFh Expansion ROM (for VGA BIOS)
B8000h - BFFFFh CGA/EGA/VGA text
A0000h - B7FFFh EGA/VGA graphics
00000h - 9FFFFh Base memory
Table B.3: Interrupt Assignments
Interrupt# Interrupt source
IRQ0 Interval timer
IRQ1 Keyboard
IRQ2 Interrupt from controller 2 (cascade)
IRQ3 COM2
IRQ4 COM1
IRQ5 COM3
IRQ6 Available
IRQ7 Available
IRQ8 RTC
IRQ9 Reserved
IRQ10 Available
IRQ11 COM4
IRQ12 Reserved
IRQ13 Math Coprocessor
IRQ14 Primary IDE
IRQ15 Secondary IDE