Xerox 550 User Manual

Table 2. Interrupt Locations
Address DIO Address
PSWs
Register
Group
Dec Hex
Function
Inhibit
Group Bit
82 52 Counter 1 count pulse 16
Internal
83 53
Counter 2 count pulse
17
Override
84
54
Counter 3 count pulse 18
85
55 Counter 4 count pulse none
0
19
86
56
Processor faul t
20
87 57 Memory Fault 21
112 70 16
113 71 17
114 72
18
115
73 19
External
116 74
20
Override
117
75 External group 3
EI
3
21
(optional)
118 76
(first 12 levels)
22
119
77 23
120
78 24
121
79
25
122
7A 26
123
7B 27
88 58 Counter 1 zero
22
Counter-
89
59
Counter 2 zero
CI 0 23
Equals-Zero
90 5A Counter 3 zero
24
91 5B Counter 4 zero
25
92 5C
Input/Output 26
I/O
93 5D Contro I pane I
27
94
5E Reserved
II 0
28
95
5F Reserved
29
External
96
60
16
Group 2
Externa I group 2
EI
2
(optional)
(first 12 levels)
107 6B
27
External
128
80
16
Group 4
External group 4
EI
4
(optional)
(first 12 levels)
139
8B
27
I
I
I
External
I
144
90
I
16
Externa I group 5
EI 5
Group 5
I
I
(first 12 levels)
I
(optional)
!
155
9B
I
27
Centra
I i zed Interrupts 33

Xerox 550 Specifications

General

Brand	Xerox
Model	550
Category	Printer
Language	English