Epson ActionDesk 4000 User Manual - Page 130

System Memory Map, Specifications A-15

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System Memory Map 000FFFFFFh 000FFF0000h 000FE0000h System BIOS ROM: 64KB Duplicated from 0F0000h Reserved for system board: 64KB Duplicated from 0E0000h Extended memory 64MB (Maximum system memory) 00100000h 1MB 000F0000h System BIOS ROM: 64KB Default Shadow RAM duplicated at FF0000h 000C8000h 000C0000h 000B8000h 000B0000h OOOAOOOOh 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 640KB 00000000h Conventional system memory 640KB Specifications A-15

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System Memory Map
000FFFFFFh
000FFF0000h
000FE0000h
00100000h
000F0000h
000C8000h
000C0000h
000B8000h
000B0000h
OOOAOOOOh
System BIOS ROM: 64KB
Duplicated from 0F0000h
Reserved
for system board: 64KB
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
00000000h
Specifications A-15