Sign In
Upload
Download
Table of Contents
Contents
Add to my manuals
Delete from my manuals
Share
URL of this page:
HTML Link:
Bookmark this page
Add
Manual will be automatically added to "My Manuals"
Print this page
×
Bookmark added
×
Added to my manuals
Manuals
Brands
SDS Manuals
Desktop
920
Operation manual
SDS 920 Operation Manual
Hide thumbs
Also See for 920
:
Manual
(21 pages)
1
2
Table Of Contents
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
page
of
278
Go
/
278
Contents
Table of Contents
Bookmarks
Table of Contents
Table of Contents
Introduction
Title Page
Basic Computer Structure and Operation
Instruction and Word Format
Instruction Format
Program Operator
Data Word Format
Instruction List
Instruction Decoding
Pulse Counter
Pulse Decoding
Phase Control
Phases
Phase Counter
Phase Sequence Chart
Single-Cycle Instructions
Two-Cycle Instructions
Three-Cycle Conditional Skip Instructions
Two-Cycle Conditional Skip Instructions
Three-Cycle Memory Increment or Decrement Instructions
Multiplication and Division Instructions
Three-Cyc Ie PI Us N Output Instructions
Four-Cyc Ie Plus N Input Instructions
Three-Cycle Store Instructions
One-Cycle Unconditional Branch Instructions
Program Operator Instructions
Registers
P Register
S Register
Mregister
Accessing an Instruction
C Register
Register
A Register
B Register
Register
Word Assembly Register (WAR)
Memory Control
Adder
Instruction Operators
Index Operation
Indirect Address Operation
Program Operator
Manual and Timing Control
Interrupt
Control Switch
Priority Interrupt System
Interrupt Timing a
Interrupt Timing B
Interrupt Timing C
Interrupt Timing D
Time-Share (Memory Interlace)
Control Switch
Control Panel
Register Switch
Manua I Control Switches
Start and Fi II Switches
Instructions
Skip and Branch Instructions
Timing: Instruction
Memory Increment Instructions
Store Instructions
Load Instructions
Input Instructions
Output Instructions
Control Instructions (23, DO, 02, 20)
Register Change Instructions
Shift Instructions
Arithmetic Instructions
920 Mul Tipl y EXAMPLE
920 DIVIDE Example
Memory Parity
Parity Check Ing
Impleme Nt Ati 0 N
Gates
Inverters, Buffer Amplifiers and Flip-Flops
Dictionary of Computer Logic Terms
Condensed Computer Logic Equations
Register
Wbuffer and Input/Output Operations
Introduction
General Wbuffer Operation
W Buffer Information Flow
Input Process (W9)
Input Timing Chart
Termination Timing B Phototape Input
Information Flow Diagram Magnetic Tape
Input Timing Magnetic Tape
Input Termination Timing Magnetic Tape
Output Process
Flow Diagram Output Process
Output Timing Chart 1
Output Tim Ing Chart
Scan
Erase (W9 W10 W11)
Fill
Time-Share Interlace
Loading the Interlace Register
Input/Output Tim Ing Time-Share
Input Termination Timing Time-Share
Photo-Reader 1
Dictionary of Buffer Logic Terms
W Buffer and Input/Output Equations
Unit Address Register
Input/Output
Character Counter
Clock Counter
Computer Interlock
Interrupt Signals
Time-Share Calling Signal
Halt Detector
Error Detector
Load W from C
Clock Signal
Word Assembly Register
Clear and Set Signals
Magnetic Tape Control Signals
Interlace Logic
Photo Reader 1
Enable Signal
Pinch Roller and Lamp Drivers
Reader Signals
Brake Driver
Y Buffer Operations
Y Buffer Equations
Unit Address Register
Input/Output
Character Counter
Clock Counter
Computer Interlock
Interrupt Signals
Time-Share Calling Signal
Halt Detector
Error Detector
Single Character Register
Load y from C
Clock Signal
Clear and Set Signals
Halt Interlock
Magnetic Tape Control Signals
Magnetic Core Memory
Introduction
Hysteresis Loop
Magnetic Core Storage Theory
Basic Operation
Addressing
Memory Block Diagram
Operation of Address 3037
Read Cycle
Computer Memory Cycle
Write Cyc Ie
Memory Expansion
Block Diagram - Memory Expansion
Module Operation
Decoder
Selector Control
XY Selector
Decoder and Selector Control Logic
Current Regulator
Voltage Regulator
Z Driver
Sense Amplifier
Voltage Regulator and Current Regulator
Sense Amplifier and Discriminator Logic
Bcd Typewriter and Tape Punch
Introduction
Functional Description
Typewriter Codes
Theory of Operation - Input
Theory of Operation - Output
Adjustments
Dictionary of Bcd Typewriter Logic Terms
Bcd Typewriter Logic Equations
Tape Punch
Functional Description
Theory of Operation
Circuit Considerations
Dictionary of Tape Punch Logic Terms
Tape Punch Logic Equations
Advertisement
Quick Links
Download this manual
...
Theory of Operation'
COMPUTER
MODEL 920
•
!;
JI.
" .
SOS
9000050
March
1966
1&11- -Ilil
$8.40
SCIENTIFIC DATA SYSTEMS.
1649
Seventeenth Street. Santa Monica, Calif . •
(213) 871-0960
©1964,
i
1966 , Scientific Data Systems, Inc.
Table of
Contents
Previous
Page
Next
Page
1
2
3
4
5
Advertisement
Table of Contents
Need help?
Do you have a question about the 920 and is the answer not in the manual?
Ask a question
Questions and answers
Related Manuals for SDS 920
Desktop SDS 910 Manual
(21 pages)
Related Products for SDS 920
SDS 910
SDS 925
SDS 930
SDS 9300
SDS 9246A
SDS 9248
SDS 92461A
SDS 92481
SDS 92462A
SDS 92482
Table of Contents
Print
Rename the bookmark
Delete bookmark?
Delete from my manuals?
Login
Sign In
OR
Sign in with Facebook
Sign in with Google
Upload manual
Upload from disk
Upload from URL
Need help?
Do you have a question about the 920 and is the answer not in the manual?
Questions and answers