Specifications

Index
Interrupt Enable register (82050 ACC) ........................ 11-19
Interrupt Generation Logic (V40 SCU)
......................... 10-4
Interrupt Identify register (82050 ACC)
........................11-18
Interrupt Initialization Words 1-4 (IIW1-IIW4)
.............. 8-6, 8-8
Interrupt In-Service register (V40 ICU)
.......................... 8-5
Interrupt Mask register (V40 ICU)
............................... 8-5
Interrupt Request register (V40 ICU)
............................ 8-4
interrupts (see also ICU)
................................... 1-9, 3-17
Interrupt Status Port (ISP)
...................................... 3-18
introduction to ZT 8832
......................................... 1-1
INTRQ*, INTRQ1*, INTRQ2* (CNTRL*)*, definitions
........ D-3
I/O
addressing
.................................................. 2-13
addressing selection jumpers
................................ A-11
custom I/O (connector J4)
............................. 14-4, B-10
mapping
...............................................2-12, 5-24
mixing I/O in a single port
...................................12-7
parallel (see parallel I/O)
.................................... 12-1
serial - 82050 (see ACC)
.................................... 11-1
serial - V40 (see SCU)
...................................... 10-1
IULA - Interrupt Unit Low Address register
......................6-5
-J-
J1 parallel I/O connector ................................. 12-2, B-10
J2 82050 serial port connector
............................ 11-3, B-10
J3 V40 counter/timer & interrupt inputs connector
..... 7-3, 8-3, B-10
J4 custom I/O connector
................................. 14-4, B-10
J5 V40 serial port connector
..............................10-2, B-10
jumpers (see also W1, W2, etc.)
DOS MPX requirements
......................................2-8
factory default configuration
................................ A-14
jumper descriptions
.......................................... A-2
STD ROM requirements
......................................2-6
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