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Topic: PDP-10

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PDP Planet PDP Planet is a portal into the Paul Allen collection of Digital Equipment Corporation mainframes and minicomputers, where pride of place is given to two PDP-10 systems (a 2065 running the Tops-10 operating system, and a 1090 scheduled to be brought up later this year). These will be available through the PDP Planet Web site, as will descriptions of the work done in restoring the hardware to working condition, and recommendations for how others can leverage our restoration work for their own projects. PDP Planet also fulfills my hope that the achievements of early computer engineers aren't lost to time. www.pdpplanet.com   (308 words)

PDP-10 - Wikipedia, the free encyclopedia The PDP-10 was a computer manufactured by Digital Equipment Corporation (DEC) from the late 1960s on; the name stands for "Programmed Data Processor model 10". It was the machine that made time-sharing common; it looms large in hacker folklore because of its adoption in the 1970s by many university computing facilities and research labs, the most notable of which were MIT's AI Lab and Project MAC, Stanford's SAIL, and Carnegie Mellon University. en.wikipedia.org /wiki/PDP-10   (1143 words)

compro.spc The -10 should set the to-10 in transit bit (TOIT) to one to indicate that it is actively copying a queue and the -10 should increment its T10IC count for this -11 and then clear the doorbell in the DTE20. This will be incremented once for each doorbell sent to the 10 to insure that the 10 has not missed a doorbell and therefore failed to notice a status change in the -11 28-35 TO11IC To-11 interrupt count - a count of the doorbell interrupts sent to the -11. The to-10 queue will be kept in -11 memory and accessed by the -10 in a like manner. www.dbit.com /pub/pdp10/kl10/dte20/compro.spc   (5594 words)

pdp11.music This track consists entirely of tapes of Sonja's voice analysed and processed by a PDP 8/L computer and a Synthi ^^^^^^^ 100 synthesizer. DEC PDPs and Music/Sound Synthesis Summary ============================================================+ Revision 2b, December 2, 1995 _-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_ When I began compiling this data, I was mostly interested in applications using DEC PDP-11s for music and sound synthesis, as I plan on experimenting with this when I get a chance to do so. As I recall, the Synthi 100 was a large synth constructed by E.M.S. (makers of the suitcase-sized VCS3 used by Pink Floyd on the _Dark Side..._ LP, as well as Curved Air on their previous release _Air Conditioning_). www.village.org /pdp11/pdp11.music   (5902 words)

faq Today, all of the PDP machines are in DEC's corporate past, with the exception of the PDP-11 family of minicomputers and microprocessors. In early DEC documentation, plural form "PDPs" is used as a generic term for all DEC computers. A major benefit over FORTRAN and other higher level languages that were written for the PDP where you are restricted to the functions provided in the language. www.village.org /pdp-11/faq   (16501 words)

DEC PDP-10 For starters, the PDP-10 is also known as the DECsystem 10 and the DECsystem 20. The color the system was painted, and two instructions in the boot ROM.) The PDP-10 was DEC's attempt to compete directly with IBM in the big-iron field. Other notes about the PDP-10, are that it very frequently had other PDP systems acting as slave I/O processors. ed-thelen.org /comp-hist/pdp-10.html   (199 words)

Computer Architecture Video Tara is enthralled by the archaic size and noise of the PDP - 11/10. Tara takes her hand at learning the dynamics of punch cards and running actual code through PDP - 11/10. Doug, our computer scientist of the past, explains the specifications of the PDP - 11/10 to our two time travelers. computersystems.jbpub.com /video.cfm   (205 words)

The Tribune, Chandigarh, India - Jammu & Kashmir The ruling PDP maintained its lead in the municipal committee elections in Ganderbal, winning nine of the 13 wards, while the Opposition National Conference was defeated in Chrar-e-Sharief, with the ruling PDP-Congress parties getting 10 out of 12 wards. Identified as Ghulam Mohiuddin Mir, he was among 13 PDP members declared elected unopposed to the Beerwah Municipal Committee in Budgam district. Of these, the PDP got nine, followed by two of the National Conference, and one each by the Congress and Independent. www.tribuneindia.com /2005/20050211/j&k.htm   (1634 words)

draft-ietf-rap-cops-06.txt Additionally, the remote PDP may request that all the PEP's internal state be resynchronized (all previously installed requests are to be reissued) by sending a Synchronize State message. It is still the responsibility of the PEP to update the PDP of all state changes that occurred during the disruption of service including any states communicated to the previous PDP that had been deleted after the connection was lost. Additionally, the remote PDP may request that all the PEP's internal state be resynchronized (all previously installed requests are to be reissued). www3.ietf.org /proceedings/99mar/I-D/draft-ietf-rap-cops-06.txt   (8105 words)

Semi-Irregular PDP-10 archives plea for contributions Both commercial software covered by the DEC 36-bit hobbyist license and the DECUS 10- and 20- freeware collections are available there. www.classiccmp.org /pipermail/cctalk/2000-May/146248.html   (611 words)

tenex72.txt Page 2 1.0 INTRODUCTION TENEX is a new time sharing operating system implemented on the DEC PDP-10. In this example the user typed only three Page 10 letters REN followed by ESC which invoked command completion by the EXEC, a feature which makes the language particularly easy to use. C-18, No. 11, November, 1969 (9) Denning, P. and Schwartz "Properties of the working set model" Communications of the ACM (this issue) (10) Lampson, B., et al: "A User Machine in a Time Sharing System" - Proceedings of the IEEE, Vol. www.linique.com /dlm/tenex/tenex72.txt   (6737 words)

PDP-10 Clone Microprocessor in an FPGA Also Doug Conroy has announced his expected 10 clone project, but this is a small/toy microcoded machine roughly at original speed, not the usable 10-30 times original, that this project can grow to. My 10 year old interest in programmable logic (then knew about PALs, saw early Xilinx, then Algotronix CAL1024) and using it for an own microprocessor. Also this project has spawned an FPGA Programming Tools sister project called VirtexTools, and has thus become the test case for the tools developed in that. neil.franklin.ch /Projects/PDP-10   (2311 words)

PDP-10 The 10 was eventually eclipsed by the VAX machines (descendants of the PDP-11) when DEC recognized that the 10 and VAX product lines were competing with each other and decided to concentrate its software development effort on the more profitable VAX. It looms large in hacker folklore because of its adoption in the mid-1970s by many university computing facilities and research labs, including the MIT AI Lab, Stanford, and CMU. The machine was finally dropped from DEC's line in 1983, following the failure of the Jupiter Project at DEC to build a viable new model. www.elsewhere.org /jargon/html/entry/PDP-10.html   (179 words)

PDP Lineage Walton, in particular, devised a theory of guaranteed real-time time-sharing that was not put into practice (as far as I know) until perhaps 10 years later on the PDP-11/34 and 11/70, with our (DCIEM and Andyne Computing Ltd.) MASCOT modifications to the UNIX kernel. Users were guaranteed a response to an interrupt within 10 msec, and usually got it within 2 msec (all in-core, there was no swapping), with as many as 10 real-time users. On the normal PDP-9, the user had to use a minimum of 8K because of the ADSS monitor, but on the 9T, the user could be as small as 2K, which was plenty for many experiments. williambader.com /museum/vax/lineage.html   (900 words)

Digital Equipment PDP-10 The PDP-10 was the first character-oriented host on the network. But WMU's 10 was certainly not the last character-oriented host, so the work it took to put them on the network probably paid off when UNIX and other hosts starting getting connected. I did such a good job of saving money that I still had $10 left in my account on the last day of the program. www.msu.edu /~mrr/mycomp/pdp10.htm   (436 words)

News: China makes breakthrough in PDP technology (10/4) The newly developed SM PDP technology combines low cost, high definition and united color, and creates a good opportunity for Chinese companies to catch up with the world pace of developing low cost PDP products so as to significantly improve their competitiveness in global markets. Chinese companies have not only grasped the shadow mask (SM) PDP technology with homegrown intellectual property but have also successfully developed 34-inch SM PDP high-definition and united-color monitors, said a ministry official. China has made a major breakthrough in plasma display panel (PDP) technology, according to the Ministry of Science and Technology. www.ammagazine.com /CDA/ArticleInformation/news/news_item/0,2610,134926,00.html   (148 words)

RFC 190 (rfc190) - DEC PDP-10-IMLAC communications system A string of 10 ESC characters, followed by a non-ESC, indicates an emergency - the IMLAC reinitializes itself and goes into short input and teletype simulation modes. Messages sent from IMLAC to TENEX: Short input mode: Every character typed on the keyboard is transmitted literally. www.faqs.org /rfcs/rfc190.html   (2536 words)

hist From fetch Tue Oct 10 02:37:45 2000 Article: 10161 of alt.sys.pdp10 From: budd@csa.bu.edu (Phil Budne) Newsgroups: alt.sys.pdp10 Subject: stuff [was photos of TOPS-10 teams] Date: 10 Oct 2000 06:33:33 GMT Message-ID: I have some notes that must have come from some publication made that year; PDP-6 development team; Harlan Anderson, VP of Eng Gordon Bell, System Architect Alan Kotok, Asst. www.ultimate.com /phil/pdp10/hist   (252 words)

PDP-1 from FOLDOC Nearby terms: PDM « PDP « PDP-10 « PDP-11 » PDP-20 » PDP-6 » PDP-7 Nearby terms: PDL2 « PDM « PDP « PDP-10 » PDP-11 » PDP-20 » PDP-6 A series of minicomputers based on an instruction set designed by C. Gordon Bell at DEC in the early 1970s (late 60s?). foldoc.org /?PDP-1   (303 words)

DEC PDP-11 History LSI-11 cards were introduced in 1975 and were quad-height or 10" X 8.5" (26 cm X 22 cm). We allocated some of the PDP-11/73's memory to a RAM disk to make the slow task builder run faster. More modern operating systems like VMS and Unix use virtual memory to load programs by pages and make much more efficient use of memory because entire programs do not need to be in memory. williambader.com /museum/vax/pdphistory.html   (2176 words)

The DEC PDP-10 The front panel is actually a separate computer, a PDP-11/40, that acts as a communications front end for the -10 (the large DEC-20s used the same front end, but kept it hidden from view). The 1090 shown here is quite massive, including about 10 full-size cabinets (CPU, channels, memory, communications, and 9-track tape), plus three RP06 disk drives, an RP07 disk drive, a card reader, and a line printer, weighing approximately 12500 pounds. www.columbia.edu /acis/history/pdp10.html   (484 words)

DEC PDP-10 If you have any spare DEC 10 or 20 There reportedly were other such interfaces; apparently DEC even resold one. www.brouhaha.com /~eric/retrocomputing/pdp-10   (448 words)

PDP-20 from FOLDOC Previous: PDES, PDF, PDFTeX, PDH, PDIL, pdksh, PDL, PDL2, PDM, PDP, PDP-10, PDP-11 Most (but not all) machines sold to run TOPS-10 were painted "Basil Blue", whereas most TOPS-20 machines were painted "Chinese Red" (often mistakenly called orange). Next: PDP-6, PDP-7, PDP Assembly Language, PDS, PDSA cycle, PDS/MaGen, PDU www.instantweb.com /d/dictionary/foldoc.cgi?PDP-20   (76 words)

Phil's PDP10 Miscellany Page The '10 was the center of Hacker culture, back when the word was high praise. The flexibility (and hardware documentation) made the '10 a hotbed of research Operating Systems. BBN created TENEX, and The major Computer Science Universities had their own Operating Systems: MIT had ITS, Stanford AI had WAITS, and CMU had a customized TOPS-10. www.ultimate.com /phil/pdp10   (3734 words)

Megan B Gentry For pictures of a number of DEC pdp machines, see the link above for the Supnik emulators. For some more specific information on the PDP-1, see the following link: This site provides images of many Qbus boards for use in identication. world.std.com /~mbg   (1977 words)

DEC PDP-11 Emulation For information on this see the PDP Unix Preservation Society Home Page www.aracnet.com /~healyzh/pdp11emu.html   (1354 words)

PDP-10 software archive AP-C800D-SB 3.13 Mbyte 421 DEC 10 COBOL 68 V12A compressed extracted APR 16 1980 tape image files AP-5069B-SB 0.68 Mbyte 47 ALGOL-10 Version 10 compressed extracted 1977 tape image files BB-867C-BM 5.56 Mbyte 0 TOPS-20 V4 2020 INSTALLATION TAPE compressed extracted DRIVE #282, S/N 10, SYS 2244 tape image files (C) 1980 pdp-10.trailing-edge.com   (3440 words)

ECHL - East Coast Hockey League - Pee Dee vs. Richmond SHOTS ON GOAL: 1ST 2ND 3RD TOTAL --- --- --- ----- PDP 10 5 11 26 RIC 11 10 12 33 GOALIES: PDP - MATT UNDERHILL RIC - MARC MAGLIARDITI OFFICIALS: REF - RYAN FRASER LIN - JASON DISCINI, PAUL NICHOLS ATT: 4,055 SHOTS ON GOAL Pee Dee 10 5 11--26 Richmond 11 10 12--33 Power Play Conversions: Pee Dee - 1 of 6, Richmond - 0 of 4. www.usatoday.com /sports/scores103/103052/20030221ECHL-RICHMOND--0.htm   (348 words)

Joe Smith's PDP-10 page Harris S. Newman is working on re-implementing DECWAR (the multi-player game) in C. PDP models The man page for read20, a UNIX program to read TOPS-20 DUMPER tapes. www.inwap.com /pdp10/index.shtml   (872 words)

PDP-11 Freeware CD's Also, be sure to see the PDP-11 Freeware FAQ (Optional) If you want to be notified by e-mail of future PDP freeware collections you can enter your E-mail address here: www.trailing-edge.com /www/freeware.html   (161 words)

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