System Memory Map - Epson ActionDesk 4000 User Manual

System Memory Map

000FFFFFFh
000FFF0000h
000FE0000h
00100000h
000F0000h
000C8000h
000C0000h
000B8000h
000B0000h
OOOAOOOOh
00000000h
System BIOS ROM: 64KB
Duplicated from 0F0000h
for system board: 64KB
Reserved
Duplicated from 0E0000h
Extended memory
System BIOS ROM: 64KB
Default Shadow RAM duplicated at FF0000h
Unused or I/O expansion ROM: 160KB
Reserved for ROM on I/O adapters
VGA BIOS ROM: 32KB
Default Shadow RAM
VGA text
(color): 32KB
Unused or VGA text
(monochrome): 32KB
Video memory: 64KB
Reserved for graphics display buffer
Conventional system memory 640KB
64MB
(Maximum
system
memory)
1MB
640KB
Specifications A-15