System Mapping - Icop VDX-6326RD-NF User Manual

VDX-6326RD-NF

2.5 System Mapping

Memory Mapping
Address
0000:0000 – 9000:FFFF
A000:0000 – A000:FFFF
B000:0000 – B000:7FFF
B000:8000 – B000:FFFF
C000:0000 – C000:7FFF
C000:8000 – C000:FFFF
D000:0000 – D700:FFFF
D800:0000 – DB00:FFFF
DC00:0000 – DF00:FFFF
E000:0000 – E000:FFFF
F000:0000 – F000:FFFF
I/O Mapping
I/O Address
0000h – 000Fh
0010h – 0017h
0018h – 001Fh
0020h – 0021h
0022h – 0023h
0024h – 002Dh
002Eh – 002Fh
0030h – 003Fh
0040h – 0043h
0044h – 0047h
0048h – 004Bh
004Ch – 004Dh
004Eh – 004Fh
0050h – 005Fh
0060h
0061h
0062h – 0063h
0064h
ICOP Technology Inc.
Description
System RAM
EGA/VGA Video Memory
MDA RAM, Hercules graphics display RAM
CGA display RAM
EGA/VGA BIOS RAM
Boot ROM Enable
Expansion ROM Space
SPI Flash Emulation Floppy A Enable
Expansion ROM Space
USB Legacy SCSI ROM Space
Motherboard BIOS
Owner
DMA 8237-1
COM9
Empty
PIC 8259-1
6117D Configuration Port
Empty
Forward to LPC Bus
Empty
Timer Counter 8254
Empty
PWM Counter 8254
Empty
Forward to LPC Bus
Empty
Keyboard Data Port
Port B + NMI Control Port
8051 Download 4K Address Counter
Keyboard Status Port
User Manual
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