VDX3-6726
User Manual
1
System Mapping
Memory Mapping
Address
Description
Usage
00000000 – 0009FFFF
System RAM
*
000A0000 – 000AFFFF
EGA/VGA Video Memory
*
000B0000 – 000B7FFF
MDA RAM, Hercules graphics display RAM
*
000B8000 – 000BFFFF
CGA display RAM
*
000C0000 – 000C7FFF
EGA/VGA BIOS ROM
*
000C8000 – 000CFFFF
Boot ROM enable
000CC000 – 000CFFFF
Console Redirection enable
000D0000 – 000D7FFF
Expansion ROM space
000D8000 – 000D8FFF
SPI Flash Emulation Floppy A Enable
000DC000 – 000DFFFF
Expansion ROM Space
000E0000 – 000EFFFF
USB Legacy SCSI ROM space
000F0000 – 000FFFFF
Motherboard BBIOS
*
FEFDBC00 – FEFDBCFF
Standard OpenHCD USB Host Controller
*
FEFBB400 – FEFBB4FF
Onboard Ethernet Adapter
*
FEFDB800 – FEFDBFFF
Standard Enhanced PCI to USB Host Controller
*