System Memory Map - Epson Progression 4 User Manual

System Memory Map

FFFFFFFFh
Only one of these address Mocks Is used to shadow the VGA BIOS ROM.
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The default starting address is 000C0000h; address OOOEOOOOh is selectable
using SETUP.
Power up boot ROM
Not available
Wingine video RAM: 1 MB
Not available
Extended memory
System BIOS ROM shadow RAM: 64KB
VGA BIOS ROM shadow RAM: 32KB
VGA BIOS ROM shcdow RAM32KB'
VGA color text
VGA monochrome text
VGA graphics: 64KB
Conventional system memory: 640KB
128MB
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640KB