Specifications

Index
-G-
getting started ................................................... 2-1
glossary
........................................................ D-1
-I-
ICU - Interrupt Control Unit (V40) .............. 1-9, 3-17, 5-22, 8-1
automatic priority rotation
................................... 8-28
block diagram
................................................ 8-4
definition
.................................................... D-3
frontplane connector J3
................................. 8-3, B-10
frontplane interrupts
.......................................... 8-4
functional description
.........................................8-4
inputs
........................................................ 8-3
interrupt masking
............................................8-30
interrupt nesting
.............................................8-22
interrupt status
.............................................. 8-31
interrupt vectors
....................................... 5-30, 8-21
I/O port addressing
.......................................... 2-13
level- or edge-triggered interrupts
............................ 8-25
non-maskable interrupts
..................................... 5-32
operation
....................................................8-19
processing
.................................................. 5-29
programmable registers
....................................... 8-7
programming
............................................... 8-31
reset
........................................................ 8-19
selection jumpers for STD bus interrupts
.................... A-13
STD bus interrupts
........................................... 8-4
input buffer (parallel I/O)
...................................... 12-4
installable device driver
......................................... 3-3
installing the ZT 8832
with DOS MPX
.............................................. 2-7
with STD ROM
.............................................. 2-5
Internal Bus Interface (V40 DCU)
............................... 9-5
Interrupt Control block (82050 ACC)
........................... 11-6
vi