76:
60:
1797:
68:
36:
1807:
28:
584:, important as influence for DEC products including Ben Gurley's design for the PDP-1. When the memory was replaced with a smaller one, the instruction set was expanded, and it was moved to the MIT campus. When a PDP-1 arrived on campus, it was placed in the next room. Software such as an assembler was ported from the TX-0 to the PDP-1 and the machines were connected for communications between them.
44:
52:
559:, mainly intended for industrial control systems with more capability than the PDP-14. They could be used to design a custom controller consisting of a control structure and associated data storage and manipulation modules, or to design a small computer which could then be programmed. The PDP-16 modules were based on the RTMs designed by Gordon Bell during his time at
20:
527:; 1969). It has no data memory or data registers; instructions can test Boolean input signals, set or clear Boolean output signals, jump conditional or unconditionally, or call a subroutine. Later versions (for example, the PDP-14/30) are based on PDP-8 physical packaging technology. I/O is line voltage.
1338:
Various sites list documents by
Charles Lasner, the creator of the alt.sys.pdp8 discussion group, and related documents by various members of the alt.sys.pdp8 readership with even more authoritative information about the various models, especially detailed focus upon the various members of the PDP-8
261:
This 18-bit machine, first shipped in 1962 of which "approximately 54 were sold" was a compromise: "with slower memory and different packaging" than the PDP-1, but priced at $ 65,000 - considerably less than its predecessor (about half the price). All later 18-bit PDP machines (7, 9 and 15) are
546:
terminal, DEC's first improvement on its early-designed 34n where n equalled the PDP's number. Later versions of the PDP-15 run a real-time multi-user OS called "XVM". The final model, the PDP-15/76 uses a small PDP-11 to allow
Unichannel peripherals to be
210:
The last of DEC's 53 PDP-1 computers was built in 1969, a decade after the first, and nearly all of them were still in use as of 1975. "An average configuration cost $ 120,000" at a time "when most computer systems sold for a million dollars or
406:
machine (1966). It features a speed increase of approximately twice that of the PDP-7. The PDP-9 is also one of the first small or medium scale computers to have a keyboard monitor system based on DIGITAL's own small magnetic tape units
423:
Also marketed as the DECsystem-10, this 36-bit timesharing machine (1966) was quite successful over several different implementations (KA, KI, KL, KS) and models. The instruction set is a slightly elaborated form of that of the
120:) would not support Digital's attempting to build a 'computer' and the term 'minicomputer' had not yet been coined. So instead, Digital used their existing line of logic modules to build a
464:
series is descended from the PDP-11, and early VAX models have a PDP-11 compatibility mode. The 16-bit PDP-11 instruction set has been very influential, with processors ranging from the
112:
The name 'PDP' intentionally avoids the use of the term 'computer'. At the time of the first PDPs, computers had a reputation of being large, complicated, and expensive machines. The
270:. The installation at Chalk River, Ontario included an early PDP-4 with a display system and a new PDP-5 as interface to the research reactor instrumentation and control.
499:
12-bit machine (1969), descendant of the LINC-8 and thus of the PDP-8. It had one CPU that could change modes and execute the instruction set of either system. See
302:
system. 23 were installed. Although the PDP-6 was "disappointing to management," it introduced the instruction set and was the prototype for the far more successful
286:
to handle more bit rotations and to increase the maximum memory size from 4K words to 32K words. It was one of the first computer series with more than 1,000 built.
1293:
606:
as well. The PDP-8 and PDP-11 are the most popular of the PDP series of machines. Digital never made a PDP-20, although the term was sometimes used for a
1224:
1168:
Apr 1, 2008 - Uploaded by
Philipp Hachtmann This is a video of my 1971 DEC LAB-8/e minicomputer playing music. In this video it is revealed where ...
757:
542:
rather than discrete transistors, and, like every DEC 18-bit system (except mandatory on the PDP-1, absent on the PDP-4) has an optional integrated
1272:), owner/restorer of PDP-7s,8s,9s and 15s until the cost of hauling around 2 tons of DEC gear led him to sell off or give away everything he owned.
1220:
1116:
797:"The term PDP is an acronym for Programmable Data Processor ... the series was introduced by their manufacturer, Digital Equipment Corporation ..."
563:. The PDP-16/M was introduced in 1972 as a pre-assembled set of the PDP-16 modules that could be programmed and was nicknamed a "Subminicomputer".
1175:
Mar 1, 2008 - Uploaded by
Philipp Hachtmann. This is my LAB-8/e running the Kaleidoscope program on VC8-E (vector display controller) and VR14
168:
1252:
1304:
326:
form-factor. It was introduced in 1964, and a second version, the 7A, was subsequently added. A total of 120 7 & 7A systems were sold.
598:, some built by DEC. Not in the PDP family, but important as progenitor of the PDP-12. The LINC and the PDP-8 can be considered the first
886:
1237:
359:
revolution. Many were purchased (at discount prices, a DEC tradition, which also included free manuals for anyone who asked during the
1282:
1810:
1363:
1161:
by U Arend - ?Sep 1, 1981 - Gonzalez, G.FORTRAN (Extended). An improved and extended version of the OS/8 FOR TRAN II compiler.
266:, more powerful, but based on the same concepts as the 12-bit PDP-5/PDP-8 series. One customer of these early PDP machines was
674:
591:
577:
1270:
1260:
1319:
information about the PDP-7 and PDP7A including some manuals and a customer list covering 99 of the 120 systems shipped.
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368:
Over 50,000 units among various models of the family (A, E, F, I, S, L, M) were sold. Later models are also used in the
1067:
1040:
1007:
855:
830:
790:
234:" outfits) 36-bit machine, though DEC did not offer it as a product. The only PDP-3 was built from DEC modules by the
1310:
491:. The PDP-11 family was extremely long-lived, spanning 20 years and many different implementations and technologies.
1767:
1721:
201:
had also contributed to. His engineering requirement was to build it from inventory (DEC's existing product,
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524:
355:
12-bit machine (1965) with a tiny instruction set; DEC's first major commercial success and the start of the
102:
1751:
1665:
1541:
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in 1960. Architecturally it was essentially a PDP-1 controlling a PDP-1 stretched to 36-bit word width.
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507:. With slight redesign, and different livery, officially followed by, and marketed as, the "Lab-8".
340:
336:
1142:
1241:
1228:
1103:"PDP-5 Historical Interlude: From the Mainframe to the Minicomputer Part 3, DEC and Data General"
556:
267:
250:
1032:
1831:
1800:
1622:
504:
239:
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992:
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434:
216:
Its architectural successors as 18-bit machines were the PDP-4, PDP-7, PDP-9, and the PDP-15.
1772:
190:
1731:
1341:
8:
1299:
973:
243:
1287:
1171:
DEC LAB-8/e (PDP-8/e) CRT display running kaleidoscope - YouTube Video for DEC "lab-8"
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1025:
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DEC's final 18-bit machine (1970). It is the only 18-bit machine constructed from
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323:
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machine, DEC's first large PDP computer, came in 1964 with the first DEC-supported
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149:
681:
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84:
343:, were written for the PDP-7 at Bell Labs, as was the first version (by DEC) of
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It was the world's first commercially produced minicomputer and DEC's first
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974:"Preliminary Specification - Programmed Data Processor Model Three (PDP-3)"
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106:
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A machine with 12-bit instructions, intended as an industrial controller (
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market, introduced as "the world's lowest cost mainframe computer system."
1741:
1640:
1592:
948:
379:
299:
128:
127:
The various PDP machines can generally be grouped into families based on
59:
1238:"The Computer Museum Report, Volume 8: TX-0 alumni reunion, Spring 1984"
1736:
1660:
1587:
850:. Australia ; United Kingdom: Delmar Cengage Learning. p. 4.
480:
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198:
176:
67:
1703:
1693:
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1326:
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The atmel AVR microcontroller : MEGA and XMEGA in assembly and C
363:
years) by schools, university departments, and research laboratories.
360:
319:
181:
124:
and aimed it at a market that could not afford the larger computers.
80:
1316:
1187:
Bell, C. Gordon; Mudge, J. Craig; McNamara, John E. (May 12, 2014).
1164:
DEC LAB-8/e (PDP-8/e) playing music - YouTube Video for DEC "lab-8"
823:
Accelerating energy innovation : insights from multiple sectors
1612:
1607:
1602:
1582:
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888:
DIGITAL EQUIPMENT CORPORATION - Nineteen Fifty-Seven To The
Present
660:
the first was in
December 1959, but often is referred to as "1960."
35:
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1327:
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DEC's PDP-6 was the world's first commercial time-sharing system
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807:
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machine (1963). The instruction set was later expanded in the
27:
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1508:
1462:
1457:
1422:
1417:
1412:
1407:
397:
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185:, was developed for this machine, along with the first known
143:
43:
1230:
Computer
Engineering: A DEC View of Hardware Systems Design
1205:"The Register Transfer Module Design Concept - ResearchGate"
1157:*A package of LAB 8/E subroutines for DEC OS/8 FORTRAN II -
1056:
Bell, C. Gordon; Mudge, J. Craig; McNamara, John E. (2014).
758:"New Market Disruption: The DEC Programmable Data Processor"
51:
1445:
1371:
1190:
Computer
Engineering: A DEC View of Hardware Systems Design
1059:
Computer
Engineering: A DEC View of Hardware Systems Design
587:
573:
500:
391:
332:
224:
A number reserved for an unbuilt, undesigned 24-bit design.
194:
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CPU; two instruction sets; 1966. Progenitor of the PDP-12.
1632:
1564:
590:(Laboratory Instrument Computer), originally designed by
560:
461:
235:
821:
Henderson, Rebecca M.; Newell, Richard G., eds. (2011).
97:), referred to by some customers, media and authors as "
19:
1155:
examples of customer references to DEC-marketed LAB-8:
675:"DECsystem-10/DECSYSTEM-20 Processor Reference Manual"
1339:"family" of computers both made and not made by DEC.
825:. Chicago: University of Chicago Press. p. 180.
1159:
https://link.springer.com/article/10.3758/BF03202095
735:
Montgomery, H. E.; Uccellini, L. W. (October 1985).
671:
DECsystem-10/DECSYSTEM-20 Processor Reference Manual
449:
machine and another commercial success for DEC. The
734:
433:. The KS was used for the 2020, DEC's entry in the
1024:
991:
1186:
1055:
1823:
1305:Description and Use of Register Transfer Modules
1022:
820:
979:. Digital Equipment Corporation. October 1960.
808:"The History of Digital Equipment Corporation"
1357:
989:
415:as the leading edge of the computer industry.
238:'s Scientific Engineering Institute (SEI) in
1290:, still runnable in a German computer museum
881:
879:
877:
875:
873:
871:
869:
867:
390:The system contained both a PDP-8 CPU and a
16:Name used for several lines of minicomputers
1173:https://www.youtube.com/watch?v=tBaTzbsgQYk
1166:https://www.youtube.com/watch?v=akvSE5Z474c
175:, etc.). What is believed to be the first
1364:
1350:
864:
778:
453:is a four-chip PDP-11 used primarily for
189:program for a general-purpose computer, "
1296:Gordon Bell interview at the Smithsonian
643:PDP-10/DECSYSTEM-20-compatible machines.
74:
66:
58:
50:
42:
34:
26:
18:
1768:Compaq Professional Workstation 1000 XP
1261:Designing Computers and Digital Systems
924:"Announcements from The DEC Connection"
800:
714:1055, 1090, 2020, 2040, 2065 and others
555:A "roll-your-own" digital system using
318:Replacement for the PDP-4; DEC's first
193:". It was based to some extent on the
105:from 1957 to 1990 for several lines of
101:Data Processor," is a term used by the
1824:
1263:. Digital Press, Maynard, Mass., 1972.
894:. Digital Equipment Corporation. 1975.
445:The archetypal minicomputer (1970); a
1345:
1082:
907:
903:
901:
845:
1806:
673:
567:
402:Successor to the PDP-7; DEC's first
1307:on Gordon Bell's site at Microsoft.
167:, which led to the (Massachusetts)
163:work, and prominent in MIT's early
139:Members of the PDP series include:
13:
949:"PDP-8 Frequently Asked Questions"
898:
14:
1848:
1317:http://www.soemtron.org/pdp7.html
1283:Mark Crispin's 1986 list of PDP's
1276:
782:Computers in Analytical Chemistry
262:based on a similar, but enlarged
1805:
1796:
1795:
1313:shows a recently restored PDP-12
1197:
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1135:
1109:
1095:
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1049:
1016:
983:
966:
941:
916:
708:
699:
663:
623:unlicensed clones of the PDP-11
169:Route 128 hardware startup belt
1722:DEC 7000 AXP and DEC 10000 AXP
1143:"DECsystem-2020 - Gordon Bell"
839:
814:
772:
750:
728:
654:
310:, of which hundreds were sold.
79:PDP-15 graphics terminal with
1:
1373:Digital Equipment Corporation
1193:. Digital Press. p. 162.
1027:A History of Modern Computing
721:
429:The KL was also used for the
322:machine using the associated
103:Digital Equipment Corporation
1752:Digital Personal Workstation
1666:Digital Personal Workstation
483:, general-register oriented
230:First DEC-designed (for US "
7:
669:whose CPU manual was named
335:, and the first version of
116:behind Digital (especially
10:
1853:
1121:Digital Computing Timeline
411:). The PDP-9 established
1791:
1760:
1702:
1679:
1631:
1563:
1527:
1499:
1436:
1398:
1389:
1380:
1123:. Computer History Museum
705:sometimes called a DEC-10
557:Register Transfer Modules
515:Designation was not used.
479:, inspired by its highly
134:
122:Programmed Data Processor
91:Programmed Data Processor
1023:Paul E. Ceruzzi (2012).
647:
602:, and perhaps the first
846:Huang, Han-Way (2014).
614:(officially known as a
268:Atomic Energy of Canada
251:reconnaissance aircraft
1623:VAX 7000 and VAX 10000
1269:with David M. Razler (
990:Robert Slater (1989).
435:distributed processing
240:Waltham, Massachusetts
156:machine used in early
87:
72:
64:
56:
48:
40:
32:
24:
1783:List of VAX computers
1288:Several PDP and LAB's
680:. DEC. Archived from
331:The first version of
148:The original PDP, an
78:
70:
62:
54:
46:
38:
30:
22:
1773:Itsy Pocket Computer
1300:DEC PRODUCT TIMELINE
994:Portraits in Silicon
191:Expensive Typewriter
171:(DEC's second home,
1105:. 11 December 2014.
737:"VAS Demonstration"
540:integrated circuits
339:, a predecessor of
244:radar cross section
114:venture capitalists
928:The DEC Connection
779:R Belcher (2013).
687:on 11 October 2015
604:personal computers
596:Lincoln Laboratory
582:Lincoln Laboratory
505:PDP-12 User Manual
88:
73:
65:
57:
49:
41:
33:
25:
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1694:DECsystem servers
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1332:Project Gutenberg
568:Related computers
474:Texas Instruments
85:digitizing tablet
1844:
1809:
1808:
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1542:DEC Professional
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1240:. Archived from
1225:John E. McNamara
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641:Systems Concepts
489:addressing modes
455:embedded systems
404:micro-programmed
324:Flip-Chip module
161:operating system
71:PDP-15 (partial)
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1847:
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1311:pdp12.lofty.com
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1236:
1233:(Digital, 1978)
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785:. p. 153.
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264:instruction set
187:word processing
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1277:External links
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1246:
1244:on 2006-06-15.
1234:
1221:J. Craig Mudge
1217:C. Gordon Bell
1211:
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1069:978-1483221106
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1042:978-0262532037
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1009:978-0262691314
1008:
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857:978-1133607298
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832:978-0226326832
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792:978-1483285627
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768:on 2017-09-15.
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165:hacker culture
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118:Georges Doriot
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248:Lockheed A-12
246:data for the
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1837:DEC hardware
1747:AlphaStation
1732:DEC 2000 AXP
1717:DEC 4000 AXP
1712:DEC 3000 AXP
1519:DECSYSTEM-20
1381:
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1242:the original
1229:
1199:
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1120:
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955:. 2001-04-08
953:www.faqs.org
952:
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930:. 2007-02-14
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682:the original
670:
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616:DECSYSTEM-20
576:designed by
431:DECSYSTEM-20
357:minicomputer
320:wire-wrapped
232:black budget
180:
158:time-sharing
138:
126:
121:
111:
99:Programmable
98:
94:
90:
89:
1742:AlphaServer
1641:Rainbow 100
1083:Ed Thelen.
908:Ed Thelen.
762:harvard.edu
691:14 November
380:workstation
300:timesharing
242:to process
129:word length
1826:Categories
1689:DECstation
1656:DECstation
1588:VAXstation
1255:, J., and
1031:. p.
998:. p.
959:2008-11-24
934:2008-11-24
722:References
481:orthogonal
470:Renesas H8
199:Ben Gurley
177:video game
1598:VAXserver
1375:computers
487:and rich
361:Ken Olsen
182:Spacewar!
81:light pen
55:PDP-11/40
1801:Category
1761:See also
1613:VAX 9000
1608:VAX 4000
1603:VAX 6000
1583:VAX 8000
1578:MicroVAX
1251:, C.G.,
744:nasa.gov
621:Several
610:running
375:and the
1811:Commons
1646:VAXmate
1593:Firefly
1480:DECmate
1468:PDP-8/e
1117:"PDP-9"
1085:"PDP-6"
910:"PDP-1"
612:TOPS-20
468:to the
409:DECtape
370:DECmate
47:PDP-8/e
1737:Multia
1671:HiNote
1661:Multia
1573:VAX-11
1537:PDP-11
1529:16-bit
1514:PDP-10
1501:36-bit
1485:PDP-14
1475:PDP-12
1451:LINC-8
1438:12-bit
1428:PDP-15
1400:18-bit
1259:, A.,
1257:Newell
1253:Grason
1127:11 May
1066:
1039:
1006:
854:
829:
789:
639:, and
637:Foonly
633:TOAD-2
629:TOAD-1
608:PDP-10
551:PDP-16
531:PDP-15
519:PDP-14
512:PDP-13
495:PDP-12
477:MSP430
459:32-bit
457:. The
451:LSI-11
447:16-bit
441:PDP-11
424:PDP-6.
419:PDP-10
386:LINC-8
304:PDP-10
296:36-bit
280:12-bit
211:more."
197:which
150:18-bit
135:Series
63:PDP-12
1704:Alpha
1651:DECpc
1618:VAXft
1509:PDP-6
1463:PDP-8
1458:PDP-5
1423:PDP-9
1418:PDP-7
1413:PDP-4
1408:PDP-1
977:(PDF)
892:(PDF)
740:(PDF)
685:(PDF)
678:(PDF)
648:Notes
547:used.
398:PDP-9
377:VT-78
351:PDP-8
345:MUMPS
314:PDP-7
294:This
290:PDP-6
284:PDP-8
274:PDP-5
257:PDP-4
227:PDP-3
221:PDP-2
144:PDP-1
39:PDP-7
31:PDP-6
23:PDP-1
1681:MIPS
1446:LINC
1249:Bell
1129:2020
1064:ISBN
1037:ISBN
1004:ISBN
852:ISBN
827:ISBN
787:ISBN
693:2015
631:and
588:LINC
574:TX-0
503:and
501:LINC
472:and
392:LINC
333:Unix
306:and
195:TX-0
154:rack
83:and
1633:x86
1565:VAX
1382:PDP
1330:at
1033:209
1000:210
594:'s
592:MIT
580:'s
578:MIT
561:CMU
537:TTL
525:PLC
462:VAX
236:CIA
95:PDP
1828::
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