NEC VERSA 2000 WINDOWS 98 - UPGRADE INFORMATION, Инструкция по обслуживанию и справочник

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I/O Addressing
The CPU works in conjunction with I/O devices using I/O mapping. Refer to Table Section
2-6 for hex addresses.
Table Section 2-6 Versa 2000 Series I/O Address Map
Address (Hex) I/O Device Name
000-00F DMA Controller 1
020-03F Interrupt Controller 1
040-043 Timer 1
048-04B Timer 2
060-064 Keyboard Controller, 8042
061 NMI Status
070 NMI Mask
070-076 Real-time Clock
081H-083H DMA Page Register
087H DMA Page Register
089H-08BH DMA Page Register
08FH DMA Page Register
092H Port 92
0C0H-0CEH DMA Channel
0D0H-0DEH DMA Controller 2
0102H Parallel Port Configuration
0278H-027AH LPT2 Data Port
02F8H-02FFH Serial Controller Port B
0372H-0377H Diskette Drive Controller
0378H-037AH LPT1
03BCH-03BEH LPT3
03F0H-03F5H Diskette Drive Controller Port Status
03F8H-03FFH Serial Controller Port A
0461H Port 461 EISA mode
0C00H Extended System Port 1
0C01H Extended System Port 2
0C02H Extended System Port 3
0C03H Extended System Port 4