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| BRL 1964, MAGLOC I, starting page 0196
|
MAGLOC I
Magnetic Logic Computer
MANUFACTURER
Sperry Gyroscope Company
Memory Elements
APPLICATIONS
General purpose computer designed for limited
applications and use in nuclear radiation environments.
Missions where a long term, unattended operation
is required or highly desirable.
Missions where a very high probability of operating
for a short interval is required.
Conventional military and commercial applications.
Data processing for communication and surveillance satellites.
Data processing and guidance for rendezvous
and inspection satellites.
Guidance and control for space probes.
Ballistic missile guidance and control.
Booster guidance and control.
Vehicle orbit injection and control.
Automatic landing computers.
Adaptive automatic pilot control.
Loran time difference to earth coordinates conversion.
Electronic countermeasures system management.
Electromagnetic reconnaissance.
Navigation and vehicle guidance
Astrotracker positioning and data processing.
Fuel management
Anti-submarine warfare (ASW) subsystem data processing.
Energy management and control.
PROGRAMMING AND NUMERICAL SYSTEM
Internal number system Binary
Binary digits/word 24
Binary digits/instruction 16
Instructions/word 1
Instructions decoded 16
Arithmetic system Fixed point
Instruction type One address
Number range 2-23 to 2+23
Instruction word format
+-------------+---------+--------+
| 1 4 | 5 16 | 17 |
+-------------+---------+--------+
| Instruction | Address | Parity |
+-------------+---------+--------+
Registers and B-Boxes Accumulator Register Multiplier Register
ARITHMETIC UNIT
Incl. Stor. Access Excl. Stor. Access
Microsec Microsec
Add 84 84
Mult 2,090 2,016
Div 4,284 4,200
Construction (Arithmetic unit only)
Constructed of magnetic cores.
Arithmetic mode Serial
Timing Synchronous
Operation Sequential
The bit-rate is 300,000 bits/second.
STORAGE
No. of No. of Binary
Medium Words Digits/Word
Magnetic Cores 4,096 17
Magnetic Cores 256 24
The storage elements use two-apertured,
nondestructive-read-out, magnetic cores, of the
word-organized type.
INPUT
Medium
Data Links
OUTPUT
Medium
Data Links
CIRCUIT ELEMENTS OF ENTIRE SYSTEM
Type Quantity
Tubes 0
Diodes 500
Transistors 100
POWER, SPACE, WEIGHT, AND SITE PREPARATION
Power, computer 0.085 Kw
Volume, computer 0.24 cu ft
Weight, computer 19 lbs
Site preparation requirements
300,000 R-C-L Components 1 cu ft
4,665,000 Magnetic cores elements bits/cu ft
RELIABILITY, OPERATING EXPERIENCE
14,000 hours mean-time-between-failure (MTFB) is predicted.
ADDITIONAL FEATURES AND REMARKS
Presently being transformed into a computer which will
exhibit Radiation Resistance to high levels of
nuclear radiation and high temperature.
Temperature -55oC to +125oC through heat sinks,
conductive paths, and heat exchanger.
20g vibration over a 0 - 2,000 cycles/second range.
509 shock
| BRL 1964, MAGLOC I, starting page 0197
|
| BRL 1964, MANIAC III, starting page 0198
|
MANIAC III
MANUFACTURER
University of Chicago
Photo by the University of Chicago
APPLICATIONS
A research computer available to all interested
departments at the University of Chicago, but primarily
intended for use as research tool in advanced and
system programming and the use of computers with
experimental equipment.
PROGRAMMING AND NUMERICAL SYSTEM
Internal number system Binary
Binary digits/word 48
Binary digits/instruction 48
Instructions per word 1
Instructions decoded 87
Arithmetic system Fixed & floating point
Floating point may be normalized or unnormalized.
The fixed point is a specified point. Both operate
with the same number representation.
Instruction type Two address
Number range
Fraction range (1 - 2-39) to - 1
Exponent range +127 to - 127
+-----+--------+---------+-------+-------+---------+-------+-------+
| 1 | 7 | 1 | 5 | 14 | 1 | 5 | 14 |
+-----+--------+---------+-------+-------+---------+-------+-------+
| Tag | Opera- | Inflec- | Modi- | Ad- | Inflec- | Modi- | Ad- |
| | tion | for | fier | dress | for | fier | dress |
+-----+--------+---------+-------+-------+---------+-------+-------+
Automatic coding
Assembler
ALGOL Compiler
Registers and B-Boxes
3 Arithmetic Registers (48 bit)
8 Index Registers
The control counter and the pathfinder are index registers.
ARITHMETIC UNIT
Incl. Stor. Access Excl. Stor. Access
Microsec Microsec
Add 24 + n 18 + n
Mult 71 65
Div 81 75
n = difference of exponents
Construction (Arithmetic unit only)
Vacuum-Tubes 0
Transistors 10,000
| BRL 1964, MANIAC III, starting page 0199
|
Condenser-Diodes 16,000
Magnetic-Cores 0
Arithmetic mode Parallel
Timing Asynchronous
Operation Concurrent
STORAGE
No. of No. of Access
Medium Words Digits Microsec
Core 8,192 48 1
Transistor Registers 8 48 1/3
Core storage will be doubled.
Magnetic Tape:
Planned. Not on machine at present.
Maximum number of units that can be connected to the system
not limited in principle.
INPUT
Medium Speed
Paper Tape 300 chars/sec
Typewriter Manual
Data Channel 100,000 48-bit words/sec
8-level tape is used. The data channel is designed
for use with auxiliary experimental equipment.
The above speed is the peak, rate of the data channel.
It is planned to add a card reader.
OUTPUT
Medium Speed
Paper Tape 110 chars/sec
Typewriter 10 chars/sec
Line Printer 300 lines/min
CIRCUIT ELEMENTS OF ENTIRE SYSTEM
Type Quantity
Tubes 0
Diodes 20,000
Transistors 12,000
Magnetic Cores 500,000
CHECKING FEATURES
Parity on tape. Overflow and checks on arithmetic operations.
POWER, SPACE, WEIGHT, AND SITE PREPARATION
Power, computer 5 Kw 5.5 KVA 0.90 pf
Power, air conditioner 25 Kw
Volume, computer 1,000 cu ft
Area, computer 100 sq ft
Room size 25 x 30 ft
Floor loading 20 lbs/sq ft
50 lbs concen max
PRODUCTION RECORD
Number produced to date 1
PERSONNEL REQUIREMENTS
Operations are conducted on an open-shop basis.
ADDITIONAL FEATURES AND REMARKS
Outstanding features include ease of operating the
console, several kinds of arithmetic is performed, and
the system is adaptable for experimental work.
FUTURE PLANS
Two (2) disk files to be installed within a year.
A second bank of 8,192 words of magnetic core storage
will be installed this year. Installation of several
magnetic tape units and a card reader is planned.
INSTALLATIONS
Institute for Computer Research, University of Chicago, Chicago 37, Illinois
| BRL 1964, MINUTEMAN, starting page 0200
|
MINUTEMAN
D-17 A/B
MANUFACTURER
Autonetics Division of North American Aviation
Photo by Autonetics Division
APPLICATIONS
Guidance and control of the Minuteman ICBM.
PROGRAMMING AND NUMERICAL SYSTEM
Internal number system Binary
Binary digits/word 27
Instructions/word 1
Instructions decoded 38
Arithmetic system Fixed point
Instruction type One and half address
Instruction word format
+--------+--------+------+--------+---------+--------+--------+
| TP | T24 21 | 20 | 19 13 | 12 8 | 7 1 | 0 |
+--------+--------+------+--------+---------+--------+--------+
| Timing | OP | Flag | Next | Channel | Sector | Timing |
| | | | Inst. | | | |
| | | | Sector | | | |
+--------+--------+------+--------+---------+--------+--------+
Registers
Phase and voltage output registers.
ARITHMETIC UNIT
Excl. Stor. Access
Microsec
Add 78
Mul t 1,016
Construction (Arithmetic unit only) Transistor-diode logic is used.
Timing Synchronous
Operation Sequential
STORAGE
No. of Access
Medium Words Microsec
Rotating Disk (Gen. Purp. Channels) 2,688 5,000 Avg.
Rotating Disk (Rapid Access Loops) 41
40 (1 word loop) 320 8 word loop
160 (4 word loop) 640 (16 word loop)
INPUT
Medium Speed
Paper/Mylar Tape 600 chars/sec
Keyboard Manual
Typewriter Manual
OUTPUT
Medium Speed
Printer Character 78.5 - 2,433 millisec
(Program Control)
Phase - Voltage (Program Control)
CHECKING FEATURES
Parity on fill and on character outputs
POWER, SPACE, WEIGHT, AND SITE PREPARATION
Power, computer 0.25 Kw
Air conditioner
Closed system.
Volume, computer 1.55 cu ft
Weight, computer 70 lbs
Designed specifically to fit in circular guidance package.
| BRL 1964, MINUTEMAN ADVANCED D37B, starting page 0201
|
MINUTEMAN ADVANCED D37B
Minuteman Advanced D37 B
MANUFACTURER
Autonetics Division of North American Aviation
APPLICATIONS
Missile guidance and control.
PROGRAMMING AND NUMERICAL SYSTEM
Internal number system Binary
Binary digits/word 27
Arithmetic system Fixed point
ARITHMETIC UNIT
Excl. Stor. Access
Microsec
Add 78
Mult 1,016
Div 2,030
Arithmetic mode Serial
Timing Synchronous
Operation Sequential
STORAGE
No. of Access
Medium Words Microsec
Disk 6,912 5,000 (Avg)
(General Purpose Channels)
Disk 29 40 (1 word loop)
(Rapid Access Loops) 160 (4 word loops)
320 (8 word loops)
640 (16 word loops)
POWER, SPACE, WEIGHT, AND SITE PREPARATION
Power, computer 0.169 Kw
Volume, computer 0.40 cu ft
Weight, computer 26 lbs
