Epson 5000 Personal Computer User Manual


 
NEW EPSON ActionPC 5000, ActionTower 5000
Diskette and magnet-optical drive specifications
DMA Assignments
Level
DMA0
DMA1
DMA2
DMA3
DMA4
DMA5
DMA6
DMA7
Assigned device
Reserved (8-bit)
Reserved (8-bit)
FDD controller (8-bit)
Reserved (8-bit)
Cascade for DMA controller 1
Reserved (16-bit)
Resewed (16-bit)
Resewed (16-bit)
Hardware Interrupts
System Memory Map
FFFFFFFFFh
System BIOS ROM: 64KB
Duplicated from 0F0000h
FFFFF0000h
Resewed for system board: 64KB
Duplicated from 0E0000h
4000000h
Extended memory
64MB
(Maximum
system
memory)
001000000h
System BIOS ROM: 64KB
Default Shadow RAM duplicated at FF0000h
OOOFOOOOh
Unused or I/O expansion ROM: 160KB
Resewed for ROM on I/O adapters
000C8000h
000C0000h
VGA BIOS ROM: 32KB
Default Shadow RAM
VGA text
000B8000h
000B0000h
Video memory: 64KB
Resewed for graphics display buffer
000A0000h
640KB
Conventional system memory: 640KB
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