
Technical Information 1-9
Table Section 1-6 Versa S I/O Address Map
Address (Hex)
I/O Device Name
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
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
0C10H
Extended System Port 6
03E0-03E1
PCMCIA
Interrupt Controller
The interrupt controller operates as an interrupt manager for the CPU. The controller re-
ceives requests from peripherals and issues interrupt requests to the CPU. Interrupt-level
assignments 0 through 15 are listed in Table Section 1-7, in order of decreasing priority.
Содержание VERSA S
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