Epson ActionPC 5000 Manual do utilizador - Página 8
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Imprimir páginaNEW EPSON ActionPC 5000, ActionTower 5000
Diskette and magnet-optical drive specifications
DMA Assignments
Level
Assigned device
DMA0
Reserved (8-bit)
DMA1
Reserved (8-bit)
DMA2
FDD controller (8-bit)
DMA3
Reserved (8-bit)
DMA4
Cascade for DMA controller 1
DMA5
Reserved (16-bit)
DMA6
Resewed (16-bit)
DMA7
Resewed (16-bit)
Hardware Interrupts
8 - NEW EPSON ActionPC 5000, ActionTower 5000
System Memory Map
FFFFFFFFFh
FFFFF0000h
Resewed for system board: 64KB
4000000h
001000000h
Default Shadow RAM duplicated at FF0000h
OOOFOOOOh
Unused or I/O expansion ROM: 160KB
Resewed for ROM on I/O adapters
000C8000h
000C0000h
000B8000h
000B0000h
Resewed for graphics display buffer
000A0000h
Conventional system memory: 640KB
8/94
System BIOS ROM: 64KB
Duplicated from 0F0000h
Duplicated from 0E0000h
Extended memory
System BIOS ROM: 64KB
VGA BIOS ROM: 32KB
Default Shadow RAM
VGA text
Video memory: 64KB
64MB
(Maximum
system
memory)
640KB