AAEON PFM-535S User Manual
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P C / 1 0 4 C P U M o d u l e
P F M - 5 3 5 S
Appendix B I/O Information B-4
B.2 1
st
MB Memory Address Map
Memory Address
Description
0000:0000-9000:FFFF System
RAM
A000:0000-A000:FFFF
EGA/VGA Video Memory
B000:0000-B000:7FFF
MDA RAM, Hercules graphics display RAM
B000:8000-B000:FFFF CGA
display
RAM
C000:0000-C000:7FFF
EGA/VGA BIOS ROM
C000:8000-C000:FFFF
Boot ROM enable.
D000:0000-D700:FFFF
Expansion ROM space.
D800:0000-DB00:FFFF
SPI FLASH Emulation Floppy A Enable
DC00:0000-DF00:FFFF
Expansion ROM space.
E000:0000-E000:FFFF
USB Legacy SCSI ROM space.
F000:0000-F000:FFFF Motherboard BIOS
B.3 IRQ Mapping Chart
IRQ0 System
Timer
IRQ1 Keyboard
Controller
IRQ2
Cascade for IRQ8 - 15
IRQ3
Serial Port 2
IRQ4
Serial Port 1
IRQ5
USB / Ethernet 10/100M LAN
IRQ6 USB
IRQ7 Parallel
Port
IRQ8
Real Time Clock
IRQ9 Available
IRQ10
Serial Port 3