From: bruces@well.com (Bruce Sterling)
Dead medium: Dead computational platforms, dead mainframes, and their dates
Source(s): Bruce P. Watson, Dr Kenneth E. Knight, assorted scrounging on World Wide Web "computer history" sites

abacus (circa 500BC Egypt)
 
saun-pan computing tray (200 AD China)
 
soroban computing tray (200 AD Japan)
 
Napier's bones (1617 Scotland),
 
William Oughtred's slide rule (1622 England)
 
Blaise Pascal's calculating machine (1642 France)
 
Gottfried Liebniz's calculating machine (1673)
 
Charles Babbage's Difference Engine (never built) (1822 England)
 
Charles Babbage's Analytical Engine (never built) (1833 England)
 
Scheutz mechanical calculator (1855 Sweden)
 
[[http://www.invent.org/book/book-text/57.html| Hollerith]] tabulating machine (1890)
 
Vannevar Bush differential analyzer (1925 USA)
 
Konrad Zuse's Z1 computer (1931 Germany)
 
Atanasoff-Berry Computer (1939 USA)
 
Turing's Colossus Mark 1 (1941 England)
 
Zuse's Z3 computer (1941 Germany)
 
Colossus Mark II (1944 England)
 
IBM ASCC Mark I (1944 USA)
 
BINAC (Binary Automatic Computer) (1946-1949 USA)
 
ENIAC (Electronic Numerical Integrator and Computer) (1946 USA)
 
 

 
 
Dead Mainframes
 
afcno KEKno Manufacturer Computer Name Introduced
 
----- ----- -------------------------- ----------
 
* Zuse Z4 (mechanical relays) 1939
 
* Atanasoff/ABC Oct 1939 ?
 
* Colossus Mark I (declassified 1970) 1943
 
1 Harvard Mark I 1944
 
* Colossus Mark II (declassified 1970) 1944
 
2 Bell Labs Computer Model IV Mar 1945
 
3 ENIAC (first vacuum tube) 1946
 
4 Bell Labs Computer Model V Late 1947
 
5 Harvard Mark II Sep 1948
 
6 BINAC (first stored program?) Aug 1949
 
* Cambridge Edsac (first stored program?) 1949
 
* IBM SSEC 1949?
 
7 IBM CPC 1949
 
8 Bell Computer Model III 1949
 
9 National Bureau of Standards SEAC May 1950
 
10 MIT Whirlwind I Dec 1950
 
11 Eckert-Mauchley UNIVAC 1101 Era 1101 Dec 1950
 
12 IBM 607 1950
 
13 AVDIAC 1950
 
* National Physics Labs/ACE May 1950
 
14 Harvard ADEC Jan 1951
 
15 Burroughs Lab Calculator Jan 1951
 
16 NBS SWAC Mar 1951
 
17 Eckert-Mauchley UNIVAC I Mar 1951
 
18 ONR Relay Computer May 1951
 
19 Fairchild Computer Jun 1951
 
* General Electric 100 ERMA 1951
 
20 National 102 Jan 1952
 
21 IAS Mar 1952
 
22 MANIAC I Mar 1952
 
23 ORDVAC Mar 1952
 
24 EDVAC Apr 1952
 
25 Teleregister Spec Purpose Dig Data Jun 1952
 
26 U. of Illinois ILLIAC Sep 1952
 
27 Elcom 100 Dec 1952
 
28 Harvard Mark IV 1952
 
29 ALWAC II Feb 1953
 
30 Logistics Era Mar 1953
 
31 OARAC Apr 1953
 
32 ABC May 1953
 
33 RAYDAC Jul 1953
 
34 MIT Whirlwind II Jul 1953
 
35 National 102A Sum 1953
 
36 Consolidated Eng. Model 36-101 Sum 1953
 
37 Jaincomp C Aug 1953
 
38 FLAC Sep 1953
 
39 Oracle Sep 1953
 
40 Sperry Rand UNIVAC 1103 Sep 1953
 
41 UNIVAC 1102 Dec 1953
 
42 UDEC 1 Dec 1953
 
43 National Cash Register NCR 107 1953
 
44 MINIAC Dec 1953
 
45 IBM 701 (first comm large scale) 1953
 
46 IBM 604 1953
 
47 AN/UJQ-2(YA-1) 1953
 
48 Rand JOHNNIAC Mar 1954
 
* Bell Labs LEPRECHAUN ????
 
49 DYSEAC Apr 1954
 
50 Elecom 120 May 1954
 
51 Circle Jun 1954
 
52 Burroughs 204 & 205 Jul 1954
 
53 MODAC 5014 Jul 1954
 
54 ORDFIAC Jul 1954
 
55 Electro Data Datatron Aug 1954
 
56 MODAC 404 Sep 1954
 
57 Lincoln Memory Test Dec 1954
 
58 TIM II Dec 1954
 
59 UC Berkeley CALDIC 1954
 
* CSC-46 1954
 
60 UNIVAC 60 & 120 Nov 1954
 
61 IBM 650 Nov 1954
 
62 WISC 1954
 
63 NCR 303 1954
 
64 Mellon Inst. Digital Computer 1954
 
65 IBM 610 1954
 
66 ALWAC III 1954
 
67 IBM 702 Feb 1955
 
68 Monrobot III Feb 1955
 
69 NORC Feb 1955
 
70 MINIAC II Mar 1955
 
71 Monrobot V Mar 1955
 
72 UDEC II Oct 1955
 
73 Radio Corp of Amer RCA BIZMAC I & II Nov 1955
 
74 PENNSTAC Nov 1955
 
75 Technitral 180 1955
 
76 National 120D 1955
 
77 Monrobot VI 1955
 
78 MODAC 410 1955
 
79 MIDAC 1955
 
80 Elcom 125 1955
 
81 Burroughs E 101 1955
 
82 Bendix G15 Aug 1955
 
83 ALWAC III E Nov 1955
 
84 J.B. Rea Co. Readix Feb 1956
 
85 IBM 705, I, II Mar 1956
 
86 UNIVAC 1103 A Mar 1956
 
87 AF CRC Apr 1956
 
88 Guidance Function Apr 1956
 
89 IBM 704 Apr 1956
 
90 IBM 701 (CORE) 1956
 
91 NAREC Jul 1956
 
92 Royal McBee LGP-30 Sep 1956
 
93 Madac 414 Oct 1956
 
94 Underwood Elecom 50 1956
 
* Soviet Strela (Arrow) 1956
 
95 UDEC II Mar 1957
 
96 George I Sep 1957
 
97 UNIVAC File O Sep 1957
 
98 Lincoln TXO Aut 1957
 
99 UNIVAC II Nov 1957
 
100 IBM 705 II Lat 1957
 
101 Teleregister Telefile Lat 1957
 
102 Autonetics Recomp I Lat 1957
 
103 IBM 608 1957
 
104 Mistic 1957
 
105 MANIAC II 1957
 
106 IBM 609 1957
 
107 IBM 305 Dec 1957
 
108 Corbin 1957
 
109 Burroughs E 103 1957
 
110 AN/FSQ 7 & 8 1957
 
111 Alwac 880 1957
 
* Pegasus 1957
 
112 UNIVAC File I Jan 1958
 
113 Linclon CG24 May 1958
 
114 IBM 709 Aug 1958
 
115 UNIVAC 1105 Sep 1958
 
116 Lincoln TX2 Fal 1958
 
117 Philco 2000-210 Nov 1958
 
118 Autonetics Recomp II Dec 1958
 
119 Burroughs 220 Dec 1958
 
120 Mobidic 1958-1960
 
121 Philco CXPO 1958
 
122 Monrobot IX 1958
 
* NBS PILOT 1958
 
123 General Electric GE 210 Jun 1959
 
124 Cyclone Jul 1959
 
125 IBM 1620 Oct 1959
 
126 NCR 304 Nov 1959
 
127 IBM 7090 Nov 1959
 
128 RCA 501 Nov 1959
 
129 RW 300 Nov 1959
 
130 RPC 9000 1959
 
131 Librascope Air Traffic 1959
 
132 Jukebox 1959
 
133 Datamatic 1000 1959
 
134 CCC Real Time 1959
 
135 Burroughs E 102 1959
 
136 Burroughs D 204 1959
 
137 AN/TYK 6V BASICPAC 1959
 
138 Control Data Corp CDC 1604 Jan 1960
 
139 Librascope 3000 Jan 1960
 
140 UNIVAC Solid State 80/90 I Jan 1960
 
* Bunker-Ramo 300 Jan 1960
 
141 Philco 2000-211 Mar 1960
 
142 UNIVAC Larc May 1960
 
143 Libratrol XI May 1960
 
144 Monrobot XI May 1960
 
145 IBM 7070 Jun 1960
 
146 CDC 160 Jul 1960
 
147 IBM 1401 (Mag Tape) Sep 1960
 
148 AN/FSQ 31 & 32 Sep 1960
 
149 Merlin Sep 1960
 
150 IBM 1401 (Card) Sep 1960
 
151 Mobidic B Fal 1960
 
152 CDC RPC 4000 Nov 1960
 
153 Digital Equipment Corp PDP-1 (M.T.) Nov 1960
 
154 DEC PDP-1 (P.T.) Nov 1960
 
155 Packard Bell 250 (PT) Dec 1960
 
156 Honeywell 800 Dec 1960
 
157 General Mills AD/ECW-57 Dec 1960
 
* Bunker-Ramo 330 Dec 1960
 
158 Philco 3000 Lat 1960
 
159 MANIAC III Lat 1960
 
160 Sylvania 59400 Lat 1960
 
161 Target Intercept Lat 1960
 
162 Westinghouse Airborne 1960
 
163 RCA 300 1960
 
164 Mobidic CD & 7A AN/MYK 1960
 
165 Litton C7000 1960
 
166 Libratrol 1000 1960
 
167 GE 312 1960
 
168 Diana 1960
 
169 DE 60 Feb 1960
 
170 Burroughs D107 1960
 
171 AN/USQ 20 1960
 
172 AN/TYK 4V COMPAC 1960
 
* CSC-160 1960
 
173 General Mills APSAC Jan 1961
 
174 UNIVAC Solid State 80/90 II Jan 1961
 
175 Bendix G20 & 21 Feb 1961
 
176 RCA 301 Feb 1961
 
177 BRLESC Mar 1961
 
178 GE 225 Mar 1961
 
179 CCC-DDP 19 (Card) May 1961
 
180 CCC-DDP 19 (MT) May 1961
 
181 IBM Stretch (7030) May 1961
 
182 NCR 390 May 1961
 
183 Honeywell 290 Jun 1961
 
184 Autonetics Recomp III Jun 1961
 
185 CDC 160A Jul 1961
 
186 IBM 7080 Aug 1961
 
187 RW 530 Aug 1961
 
* Bunker-Ramo 530 Aug 1961
 
* CDC 924/A Aug 1961
 
188 IBM 7074 Nov 1961
 
189 IBM 1410 Nov 1961
 
190 Honeywell 400 Dec 1961
 
191 Rice University Dec 1961
 
192 UNIVAC 490 Dec 1961
 
* Bunker-Ramo 130 Dec 1961
 
193 AN/TYK 7V 1961
 
194 UNIVAC 1206 1961
 
195 UNIVAC 1000 & 1020 1961
 
196 ITT Bank Loan Process 1961
 
197 George II 1961
 
198 Oklahoma University Ear 1961
 
199 NCR 315 Jan 1962
 
200 NCR 315 CRAM Jan 1962
 
201 UNIVAC File II Jan 1962
 
202 HRB-Singer SEMA Jan 1962
 
203 UNIVAC 1004 Feb 1962
 
* IBM 1710/1720 Feb 1962
 
* Linc Mar 1962
 
204 ASI 210 Apr 1962
 
205 UNIVAC III Jun 1962
 
206 Burroughs B200 Series-B270 & 280 Jul 1962
 
* GE 412 Jul 1962
 
207 Scientific Data Systems SDS 910 Aug 1962
 
208 SDS 920 Sep 1962
 
209 DEC PDP-4 Sep 1962
 
210 UNIVAC 1107 Oct 1962
 
211 IBM 7094 Oct 1962
 
* Collins Radio 8400 Nov 1962
 
212 IBM 7072 Nov 1962
 
213 IBM 1620 MOD III Dec 1962
 
214 Burroughs B5000 Dec 1962
 
215 ASI 420 Dec 1962
 
216 Burroughs B2000 Series-Card Sys. Dec 1962
 
* CDC LPG-21 Dec 1962
 
217 TRW 400 (AN/FSQ 27) 1962
 
* AN/GYK-3(V) (Honeywell D825) 1962
 
218 CDC 3600 Jun 1963
 
219 IBM 7040 Apr 1963
 
* English Electric KDF 9 Apr 1963
 
220 IBM 7044 Jul 1963
 
221 RCA 601 Jan 1963
 
222 Honeywell 1800 Nov 1963
 
223 Philco 1000 TRANSAC S1000 Jun 1963
 
224 Philco 2000-212 Feb 1963
 
225 Librascope L 3055 Dec 1963
 
226 H.W.Electronics 15K Feb 1963
 
227 GE 215 Jun 1963
 
228 DDP-24 Jun 1963
 
229 CDC 3600 Jun 1963
 
* Bunker-Ramo 230 Jun 1963
 
* Westinghouse 510/580 Jun 1963
 
* Honeywell 610/620 Aug 1963
 
230 UNIVAC 1050 Sep 1963
 
231 UNIVAC 1004 Sep 1963
 
232 DEC PDP-5 Oct 1963
 
* Bunker-Ramo 340 Oct 1963
 
* CSC-636 Oct 1963
 
233 IBM 1460 Oct 1963
 
* GE Datanet-30 Oct 1963
 
234 IBM 1440 Nov 1963
 
235 Honeywell 1400 Dec 1963
 
236 ASI 2100 Dec 1963
 
237 SDS-93C0 Dec 1963
 
238 Burroughs 273 Jan 1964
 
239 GE-235 Jan 1964
 
240 IBM 7010 Jan 1964
 
* PDS 1020 Feb 1964
 
* IBM 7700 Mar 1964
 
241 Burroughs B 160-180 Apr 1964
 
242 CDC 160G Apr 1964
 
243 IBM 7094 II Apr 1964
 
244 CDC 3200 May 1964
 
245 GE 415 May 1964
 
* CDC 8090 May 1964
 
246 UNIVAC 1004 II, III Jun 1964
 
247 SDS-930 Jun 1964
 
248 GE 425 Jun 1964
 
* Beckman Instruments 420 Jun 1964
 
* Bunker-Ramo 133 Jun 1964
 
* CDC 8092 Jun 1964
 
249 GE 205 Jul 1964
 
250 Honeywell 200 Jul 1964
 
251 RCA 3301 Jul 1964
 
252 DEC PDP-6 Jul 1964
 
* Varian 610 Jul 1964
 
* Adage Ambilog-200 Aug 1964
 
* GE 4040 Aug 1964
 
* Westinghouse Electric 50 Aug 1964
 
253 CDC 6600 Sep 1964
 
254 UNIVAC 41B Sep 1964
 
255 NCR 315-100 Nov 1964
 
256 GE 635 Nov 1964
 
257 CDC 3400 Nov 1964
 
258 Burroughs B5500 Nov 1964
 
* Digital Electronics 3080 Dec 1964
 
* DECSYSTEM 10 PDP-6 1964
 
259 SDS 925 Feb 1965
 
260 SDS 92 Feb 1965
 
261 CDC 3100 Feb 1965
 
262 ASI 6020 Mar 1965
 
263 DDP-224 Mar 1965
 
264 DDP-116 Apr 1965
 
265 GE 625 Apr 1965
 
266 DEC PDP-8 Apr 1965
 
267 DEC PDP-7 Apr 1965
 
268 IBM 360/40 May 1965
 
269 IBM 360/30 May 1965
 
* EA 8400 Jun 1965
 
* GE 4060 Jun 1965
 
270 NCR 315 RMC Jul 1965
 
* ASI 6040 Jul 1965
 
271 UNIVAC 1108 II Aug 1965
 
272 GE 435 Aug 1965
 
273 IBM 360/50 Sep 1965
 
274 IBM 1130 Sep 1965
 
275 NCR 590 Sep 1965
 
* Systems Engineering Labs 810-A Sep 1965
 
* Varian Data Machines 611/612 Sep 1965
 
276 ASI 6240 Oct 1965
 
277 UNIVAC 491 & 492 Oct 1965
 
278 RCA Spectra 70/15 Oct 1965
 
279 Raytheon 520 Oct 1965
 
* ASI 6070 Oct 1965
 
* SCC 660 Oct 1965
 
280 IBM 360/75 Nov 1965
 
* Bailey Meter 756 Nov 1965
 
* Philco 102 (CPS) Nov 1965
 
* SEL 840 Nov 1965
 
* Varian 620 Nov 1965
 
281 Honeywell 2200 Dec 1965
 
282 CDC 3800 Dec 1965
 
283 RCA Spectra 70/25 Dec 1965
 
284 Friden 6010 Jan 1966
 
285 CDC 6400 Jan 1966
 
286 DDP-124 Jan 1966
 
287 Honeywell 1200 Jan 1966
 
288 IBM 360/20 Jan 1966
 
289 UNIVAC 1005 II, III Feb 1966
 
290 UNIVAC 1005 I Feb 1966
 
291 Honeywell 120 Feb 1966
 
* ASI 6050 Feb 1966
 
* Honeywell H-21 Feb 1966
 
* IBM 1800 Feb 1966
 
292 IBM 360/65 Mar 1966
 
293 UNIVAC 494 Mar 1966
 
294 SDS 940 Apr 1966
 
* CDC 1700 May 1966
 
* SCC 670 May 1966
 
* CCD 516 Jun 1966
 
295 RCA Spectra 70/55 Jul 1966
 
296 RCA Spectra 70/45 Jul 1966
 
297 RCA Spectra 70/35 Jul 1966
 
* GE 645 Jul 1966
 
* SEL 810-A Aug 1966
 
* SEL 840-A Aug 1966
 
298 Philco 200-213 Oct 1966
 
299 IBM 360/44 Oct 1966
 
* Data Mate ECP-18 Nov 1966
 
* Hewlitt-Packard 2116-A Nov 1966
 
* GE 4050 Dec 1966
 
* CDC 6416 1966
 
300 Honeywell 4200 May 1967
 
301 SDS Sigma 7 Dec 1966
 
302 DEC PDP-8/S Linc-8 Sep 1966
 
303 DEC PDP-9 Dec 1966
 
* Business Information Technology 80 Dec 1966
 
* SCC 650 1966
 
304 SDS Sigma 2 Jan 1967
 
305 Burroughs B 2500 Feb 1967
 
309 Burroughs B 6500 Feb 1967
 
* GE 4020 Feb 1967
 
306 Burroughs B 3500 May 1967
 
* SCC IC6000 May 1967
 
* Interdata 3 May 1967
 
307 UNIVAC 9300 Jun 1967
 
308 UNIVAC 9200 Jun 1967
 
* IBM 1401-H Jun 1967
 
* Electronics Assoicates, Inc 640 Jun 1967
 
* Xerox Sigma 5 Aug 1967
 
310 CDC 3500 Sep 1967
 
* Westinghouse 250 (S-2) Sep 1967
 
* Digital Electronics 3080-C Oct 1967
 
* ASI 6130 Oct 1967
 
* SEL 840-MP Oct 1967
 
* Raytheon Computer 703 Oct 1967
 
* IBM 360/90 Series Nov 1967
 
* HP 2115-A Nov 1967
 
* Honeywell 125 Dec 1967
 
* DECSYSTEM 10 KA10 1967
 
* DEC 20 ????
 
* AGU (Apollo CM guidance computer) ????
 
* (Apollo LM computer) ????
 
* IBM (Saturn V IMU computer) ????
 
* General Automation SPC-8 Jan 1968
 
* Honeywell 1648 Jun 1968
 
* Computer Automation 808 Jun 1968
 
* Motorola Instrumentations MDP-1000 Jun 1968
 
* Interdata 2 Jul 1968
 
* Redcor RC-70 Jul 1968
 
* Honeywell 1250 Aug 1968
 
* Interdata 4 Aug 1968
 
* Honeywell 110 Sep 1968
 
* NCR Century 100 Sep 1968
 
* SCC IC4000 Sep 1968
 
* HP 2116-A Sep 1968
 
* Varian 520 1 Sep 1968
 
* IBM 360/25 Oct 1968
 
* HP 2114-A Oct 1968
 
* RCA Spectra 70/46 Nov 1968
 
* Burroughs B500 Nov 1968
 
* DEC PDP-9/L Nov 1968
 
* HP 2000-A Nov 1968
 
* Honeywell 632 Dec 1968
 
* Bailey Meter 855 Dec 1968
 
* Computer Automation 816 Dec 1968
 
* Dynamic Research DRC-44 Dec 1968
 
* Honeywell CCD 416 Dec 1968
 
* SEL 810-B Dec 1968
 
* DEC PDP-8/I Apr 1968
 
* DEC PDP-8/L Nov 1968
 
* CDC 7600 Jan 1969
 
* Interdata 15 Jan 1969
 
* Micro Systems 800 Jan 1969
 
* Micro Systems 810 Jan 1969
 
* Honeywell 8200 Feb 1969
 
* Data General Nova Feb 1969
 
* GE 105 Mar 1969
 
* Lockheed Electronics MAC-16 Mar 1969
 
* Raytheon Computer 704 Mar 1969
 
* Sanders 200 Mar 1969
 
* Burroughs B8500 Apr 1969
 
* DEC PDP-12 Apr 1969
 
* GE 30 Apr 1969
 
* SCC 4700 Apr 1969
 
* UNIVAC 9400 May 1969
 
* Data Craft 6024-1 May 1969
 
* Raytheon Computer 706 May 1969
 
* SCC DCT-132 May 1969
 
* Varian Data R620 i May 1969
 
* GE 615 Jun 1969
 
* NCR Century 200 Jun 1969
 
* SCC IC7000 Jun 1969
 
* Burroughs B6500 Jul 1969
 
* Computer Automation 208 Jul 1969
 
* General Automation GA-18/20 Jul 1969
 
* Honeywell CCD 316 Jul 1969
 
* Xerox Data CE-16 Jul 1969
 
* Sprias Systems 65 Aug 1969
 
* Westinghouse Electric 2000 Aug 1969
 
* Tempo Computers 1/1-A Sep 1969
 
* Xerox Data CF-16 Sep 1969
 
* IBM 360/85 Oct 1969
 
* CDC 6700 Oct 1969
 
* Data Mate DM-16 Oct 1969
 
* GE 58 Nov 1969
 
* Computer Logic CLS-18 Nov 1969
 
* HP 2114-B Nov 1969
 
* SCC DCT-32 Nov 1969
 
* UNIVAC 1106 Dec 1969
 
* Xerox Sigma-3 Dec 1969
 
* Business Information Technology 483 Dec 1969
 
* Micro Systems 812 Dec 1969
 
* CDC 7600 1969
 
* General Automation SPC-12 1969
 
* U. of Illinois/ILLIAC IV Ear 1970
 
* IBM System/3 Jan 1970
 
* GE 120 Jan 1970
 
* DEC/PDP-15 Jan 1970
 
* GRI Computer 909 Jan 1970
 
* Recor RC-77 Jan 1970
 
* Honeywell 3200 Feb 1970
 
* Rolm 1601 Feb 1970
 
* DEC/PDP-11/20 Apr 1970
 
* Data General Super Nova Apr 1970
 
* Viatron 2140 Apr 1970
 
* Viatron 2150 Apr 1970
 
* SEL 86 May 1970
 
* Computer Automation 216 Jul 1970
 
* RCA Spectra 70/60 Sep 1970
 
* Mini Comp Multi-Term Sep 1970
 
* SEL 88 Nov 1970
 
* GE 53 1970
 
* Clary-Datacomp 404 1970
 
* Data Craft 6024-1 1970
 
* ASI 6120 1970
 
* RCA Spectra 70/61 Feb 1971
 
* IBM 360/195 (Was this ever delivered?) Mar 1971
 
* GE 655 Mar 1971
 
* DEC PDP-8/E Mar 1971
 
* Honeywell 6045 ????
 
* IBM 370/155 Aft 1971
 
* IBM 370/165 Aft 1971
 
* IBM 370/145 Aft 1971
 
* IBM 370/168 Aft 1971
 
* DEC PDP-8/M Jun 1972
 
* DEC PDP-11/05 Jun 1972
 
* DEC PDP-11/45 Jun 1972
 
* DEC PDP 11/45 (Fl point and mem man) 1972
 
DECSYSTEM 10 KI10 1972
 
* DEC PDP-8/M Jun 1972
 
* DEC PDP-11/05 Jun 1972
 
* DEC PDP-11/45 Jun 1972
 
* DEC PDP-11/40 Jan 1973
 
* Unidata 7720 Jan 1974
 
* DEC PDP-11/40 Jan 1973
 
* Unidata 7720 Jan 1974
 
* Burroughs ILLIAC IV 1974
 
* Naked Mini LSI 1 1974
 
* Naked Mini LSI 2 1974
 
* Honeywell 60 1974
 
* CDC STAR-100 1974
 
* Texas Instruments ASC 1974
 
* Alphamicro 1000 A ????
 
* HP 9000/730 ????
 
* Goodyear Aerospace STARAN 1974
 
* DEC PDP-8/A Jan 1975
 
* MITS Altair 8800 (first micro kit) Jan 1975
 
* DEC PDP-11/70 Mar 1975
 
* MITS Altair 680b ????
 
* Osbourne 1 ????
 
* DEC PDP-11/03 Jun 1975
 
* DEC PDP-11/04 Sep 1975
 
* IBM 5100 1975
 
* IBM System 32 1975
 
* DECSYSTEM 10 KL10 1975
 
* AN/UYK-44 ????
 
* Prime 500 bef 1982
 
* Prime 550 ????
 
* AN/AYK-14 ????
 
* DEC PDP-11/34 Mar 1976
 
* DEC PDP-11/55 Jun 1976
 
----------------------------------------------------------------
 
 

This list is based two articles by Dr. Kenneth E. Knight in DATAMATION: "Changes in Computer Performance", Sept. 1966 and "Evolving Computer Performance 1963-1967", Jan. 1968.
His study evaluated cost vs performance and is not necessarily meant to be a history of the computer.
His criteria for inclusion to the list were:
1. General purpose digital computers;
2. One configuration chosen of memory size, IO, arithmetic and control;
3. Important modifications affecting performance added at a later date considered a separate computer.
AFCno refers to a serial number which will be assigned when additions to the list have ceased. For now an (*) will denote a machine not on the Knight list.
KEKno refers to the serial number assigned to each computer type by Dr. Knight.
The dates of introduction are defined as that when the completed computer passed a minimal acceptance test.
I have added some which may or may not fit Knight's criteria or were unknown to him. I have attempted to continue the list past 1967.
Thanks for additions and corrections to Tony Duell (aduell@isis.cs.du.edu).
=====================================================
Bruce P. Watson | bwatson@isis.cs.du.edu or wats@scicom.Alphacdc.com