1St Mb Memory Map; Table B.4: 1St Mb Memory Map - Intel SOM-4486 ETX Module User Manual

B.4 1st MB memory map

Table B.4: 1st MB memory map

Addr. range (Hex)
F000h - FFFFh
E000h - EFFFh
CC00h - DFFFh
C000h - CB00h
B800h - BFFFh
B000h - B7FFh
A000h - AFFFh
0000h - 9FFFh
*
Device
System ROM
Reserved for BIOS boot
available
VGA BIOS
CGA/EGA/VGA text
Reserved for graphic mode usage
EGA/VGA graphics
Base memory
default setting
43 Chapter B