Epson ActionPC 5000 Руководство пользователя - Страница 8

Просмотреть онлайн или скачать pdf Руководство пользователя для Настольный компьютер Epson ActionPC 5000. Epson ActionPC 5000 13 страниц. Epson personal computer user manual

NEW 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