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id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:DEC_MicroVAX_II_CPU_KA630-AA_M7606_(cropped)_Microvax_78032_78132.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/DEC_MicroVAX_II_CPU_KA630-AA_M7606_%28cropped%29_Microvax_78032_78132.jpg/220px-DEC_MicroVAX_II_CPU_KA630-AA_M7606_%28cropped%29_Microvax_78032_78132.jpg" decoding="async" width="220" height="380" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/DEC_MicroVAX_II_CPU_KA630-AA_M7606_%28cropped%29_Microvax_78032_78132.jpg/330px-DEC_MicroVAX_II_CPU_KA630-AA_M7606_%28cropped%29_Microvax_78032_78132.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/42/DEC_MicroVAX_II_CPU_KA630-AA_M7606_%28cropped%29_Microvax_78032_78132.jpg/440px-DEC_MicroVAX_II_CPU_KA630-AA_M7606_%28cropped%29_Microvax_78032_78132.jpg 2x" data-file-width="1100" data-file-height="1900" /></a><figcaption>CPU 78032 (top) and FPU 78132</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:DEC_MicroVAX_CPU_die.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bf/DEC_MicroVAX_CPU_die.JPG/170px-DEC_MicroVAX_CPU_die.JPG" decoding="async" width="170" height="169" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bf/DEC_MicroVAX_CPU_die.JPG/255px-DEC_MicroVAX_CPU_die.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bf/DEC_MicroVAX_CPU_die.JPG/340px-DEC_MicroVAX_CPU_die.JPG 2x" data-file-width="3104" data-file-height="3078" /></a><figcaption>DEC MicroVAX 78032 CPU <a href="/wiki/Die_shot" title="Die shot">die shot</a></figcaption></figure> <p>The <b>MicroVAX 78032</b> (otherwise known as the <b>DC333</b>) is a <a href="/wiki/Microprocessor" title="Microprocessor">microprocessor</a> developed and fabricated by <a href="/wiki/Digital_Equipment_Corporation" title="Digital Equipment Corporation">Digital Equipment Corporation</a> (DEC) that implements a subset of the <a href="/wiki/VAX" title="VAX">VAX</a> <a href="/wiki/Instruction_set_architecture" title="Instruction set architecture">instruction set architecture</a> (ISA). The 78032 is used exclusively in DEC's <a href="/wiki/VAX" title="VAX">VAX</a>-based systems, starting with the <a href="/wiki/MicroVAX" title="MicroVAX">MicroVAX II</a> in 1985. When clocked at a frequency of 5 MHz, the 78032's integer performance is comparable to the original <a href="/wiki/VAX-11" title="VAX-11">VAX-11/780</a> of 1977.<sup id="cite_ref-dtj-78032_1-0" class="reference"><a href="#cite_note-dtj-78032-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> The microprocessor can be paired with the MicroVAX 78132 floating point accelerator for improved floating point performance. </p><p>The 78032 represents a number of firsts for DEC. It is DEC's first single-chip microprocessor implementation of the VAX ISA and DEC's first self-fabricated microprocessor. The MicroVAX 78032 is also the first semiconductor device to be registered for protection under the <a href="/wiki/Semiconductor_Chip_Protection_Act_of_1984" title="Semiconductor Chip Protection Act of 1984">Semiconductor Chip Protection Act of 1984</a>. </p><p>The MicroVAX 78032 contains 125,000 transistors on an 8.7 by 8.6 mm (74.82 mm<sup>2</sup>) <a href="/wiki/Die_(integrated_circuit)" title="Die (integrated circuit)">die</a> that was fabricated in DEC's <a href="/wiki/ZMOS" class="mw-redirect" title="ZMOS">ZMOS</a> process, a 3.0 µm <a href="/wiki/NMOS_logic" title="NMOS logic">NMOS logic</a> process with two layers of <a href="/wiki/Aluminum_interconnect" class="mw-redirect" title="Aluminum interconnect">aluminum interconnect</a>. The die is packaged in a 68-pin <a href="/wiki/Surface-mount" class="mw-redirect" title="Surface-mount">surface-mounted</a> <a href="/wiki/Chip_carrier" title="Chip carrier">leaded chip carrier</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="MicroVAX_78132">MicroVAX 78132</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=MicroVAX_78032&action=edit&section=1" title="Edit section: MicroVAX 78132"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:DEC_MicroVAX_FPU_die.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5f/DEC_MicroVAX_FPU_die.JPG/170px-DEC_MicroVAX_FPU_die.JPG" decoding="async" width="170" height="136" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5f/DEC_MicroVAX_FPU_die.JPG/255px-DEC_MicroVAX_FPU_die.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5f/DEC_MicroVAX_FPU_die.JPG/340px-DEC_MicroVAX_FPU_die.JPG 2x" data-file-width="3846" data-file-height="3076" /></a><figcaption>DEC MicroVAX 78132 FPU die shot</figcaption></figure> <p>The <b>MicroVAX 78132</b> (otherwise known as the <b>DC337</b>) is a <a href="/wiki/Floating-point" class="mw-redirect" title="Floating-point">floating-point</a> <a href="/wiki/Coprocessor" title="Coprocessor">coprocessor</a> for the MicroVAX 78032 microprocessor. It interfaces to the MicroVAX 78032 via the DAL bus and a few control lines. The MicroVAX 78132 is responsible for executing 61 out of 70 floating-point instructions defined by the MicroVAX subset of the VAX ISA and accelerates nine integer instructions. </p><p>The MicroVAX 78132 has a 100 ns microcycle divided into <a href="/wiki/Clock_signal#4-phase_clock" title="Clock signal">four 25 ns clock phases</a> which is generated by a 40 MHz input clock. It is composed of five "elements": a 67-bit fraction processor, a 13-bit exponent processor, a 1-bit sign processor, a microsequencer and a bus interface unit. </p><p>The MicroVAX 78132 contains 32,141 transistors on a die measuring 8.4 mm by 6.6 mm (55.44 mm<sup>2</sup>). It was fabricated in DEC's ZMOS process, a 3.0 µm NMOS process with two layers of <a href="/wiki/Aluminum_interconnect" class="mw-redirect" title="Aluminum interconnect">aluminum interconnect</a>; and is packaged in a 68-pin surface-mounted leaded chip carrier.<sup id="cite_ref-dtj-78132_2-0" class="reference"><a href="#cite_note-dtj-78132-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Other_vendors">Other vendors</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=MicroVAX_78032&action=edit&section=2" title="Edit section: Other vendors"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:MME_U80701FC_hires.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/ba/MME_U80701FC_hires.jpg/170px-MME_U80701FC_hires.jpg" decoding="async" width="170" height="170" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/ba/MME_U80701FC_hires.jpg/255px-MME_U80701FC_hires.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/ba/MME_U80701FC_hires.jpg/340px-MME_U80701FC_hires.jpg 2x" data-file-width="2140" data-file-height="2140" /></a><figcaption>The rare U80701 was the first 32-Bit microprocessor manufactured in the <a href="/wiki/German_Democratic_Republic" class="mw-redirect" title="German Democratic Republic">GDR</a> and is pin-compatible to DEC 78032.</figcaption></figure> <p>An identical, <a href="/wiki/Reverse_engineering" title="Reverse engineering">reverse engineered</a> copy of the 78032 was manufactured 1989/90 in <a href="/wiki/East_Germany" title="East Germany">East Germany</a> as the <a href="/wiki/U80701" title="U80701">U80701</a>. </p><p>Another clone of the 78032 was manufactured in the <a href="/wiki/Soviet_Union" title="Soviet Union">Soviet Union</a> under the <a href="/wiki/Soviet_integrated_circuit_designation" title="Soviet integrated circuit designation">designation</a> KL1807VM3 (<a href="/wiki/Russian_language" title="Russian language">Russian</a>: <i lang="ru">КЛ1807ВМ3</i>).<sup id="cite_ref-cpuworld_3-0" class="reference"><a href="#cite_note-cpuworld-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=MicroVAX_78032&action=edit&section=3" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-dtj-78032-1"><span class="mw-cite-backlink"><b><a 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a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFDobberpuhlSupnikWitek1986" class="citation journal cs1"><a href="/wiki/Daniel_W._Dobberpuhl" title="Daniel W. Dobberpuhl">Dobberpuhl, Daniel W.</a>; Supnik, Robert M.; Witek, Richard T. (March 1986). <a rel="nofollow" class="external text" href="http://www.dtjcd.vmsresource.org.uk/pdfs/dtj_v01-02_mar1986.pdf">"The MicroVAX 78032 Chip, A 32-Bit Microprocessor"</a> <span class="cs1-format">(PDF)</span>. <i>Digital Technical Journal</i>. <b>1</b> (2). <a href="/wiki/Digital_Equipment_Corporation" title="Digital Equipment Corporation">Digital Equipment Corporation</a>: 13–24.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Digital+Technical+Journal&rft.atitle=The+MicroVAX+78032+Chip%2C+A+32-Bit+Microprocessor&rft.volume=1&rft.issue=2&rft.pages=13-24&rft.date=1986-03&rft.aulast=Dobberpuhl&rft.aufirst=Daniel+W.&rft.au=Supnik%2C+Robert+M.&rft.au=Witek%2C+Richard+T.&rft_id=http%3A%2F%2Fwww.dtjcd.vmsresource.org.uk%2Fpdfs%2Fdtj_v01-02_mar1986.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AMicroVAX+78032" class="Z3988"></span></span> </li> <li id="cite_note-dtj-78132-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-dtj-78132_2-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBidermannFisherLearySimcoe1986" class="citation journal cs1">Bidermann, William R.; Fisher, Amnon; Leary, Burton M.; Simcoe, Robert J.; Wheeler, William R. (March 1986). "The MicroVAX 78132 Floating Point Chip". <i>Digital Technical Journal</i>. <b>1</b> (2). <a href="/wiki/Digital_Equipment_Corporation" title="Digital Equipment Corporation">Digital Equipment Corporation</a>: 25–37.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Digital+Technical+Journal&rft.atitle=The+MicroVAX+78132+Floating+Point+Chip&rft.volume=1&rft.issue=2&rft.pages=25-37&rft.date=1986-03&rft.aulast=Bidermann&rft.aufirst=William+R.&rft.au=Fisher%2C+Amnon&rft.au=Leary%2C+Burton+M.&rft.au=Simcoe%2C+Robert+J.&rft.au=Wheeler%2C+William+R.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AMicroVAX+78032" class="Z3988"></span></span> </li> <li id="cite_note-cpuworld-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-cpuworld_3-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20160405210227/http://www.cpu-world.com/info/exUSSR-chips.html">"Soviet microprocessors, microcontrollers, FPU chips and their western analogs"</a>. CPU-world. Archived from <a rel="nofollow" class="external text" href="http://www.cpu-world.com/info/exUSSR-chips.html">the original</a> on 5 April 2016<span class="reference-accessdate">. Retrieved <span class="nowrap">24 March</span> 2016</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Soviet+microprocessors%2C+microcontrollers%2C+FPU+chips+and+their+western+analogs&rft.pub=CPU-world&rft_id=http%3A%2F%2Fwww.cpu-world.com%2Finfo%2FexUSSR-chips.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AMicroVAX+78032" class="Z3988"></span></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Further_reading">Further reading</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=MicroVAX_78032&action=edit&section=4" title="Edit section: Further reading"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWolrichMcLellanHaradaMontanaro1984" class="citation journal cs1">Wolrich, G.; McLellan, E.; Harada, L.; Montanaro, J.; Yodlowski, R. (October 1984). "A high performance floating point coprocessor". <i>IEEE Journal of Solid-State Circuits</i>. <b>19</b> (5): 690–6. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/1984IJSSC..19..690W">1984IJSSC..19..690W</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1109%2FJSSC.1984.1052209">10.1109/JSSC.1984.1052209</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:43310115">43310115</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=IEEE+Journal+of+Solid-State+Circuits&rft.atitle=A+high+performance+floating+point+coprocessor&rft.volume=19&rft.issue=5&rft.pages=690-6&rft.date=1984-10&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A43310115%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.1109%2FJSSC.1984.1052209&rft_id=info%3Abibcode%2F1984IJSSC..19..690W&rft.aulast=Wolrich&rft.aufirst=G.&rft.au=McLellan%2C+E.&rft.au=Harada%2C+L.&rft.au=Montanaro%2C+J.&rft.au=Yodlowski%2C+R.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AMicroVAX+78032" class="Z3988"></span></li></ul> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=MicroVAX_78032&action=edit&section=5" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="http://simh.trailing-edge.com/semi/uvax.html">"MicroVAX II" at The Computer History Simulation Project</a></li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul ul{display:inline}.mw-parser-output .hlist .mw-empty-li{display:none}.mw-parser-output .hlist dt::after{content:": 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this template">e</abbr></a></li></ul></div><div id="Digital_Equipment_Corporation" style="font-size:114%;margin:0 4em"><a href="/wiki/Digital_Equipment_Corporation" title="Digital Equipment Corporation">Digital Equipment Corporation</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Key people</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Ken_Olsen" title="Ken Olsen">Ken Olsen</a> (founder and CEO, 1957–1992)</li> <li><a href="/wiki/Harlan_Anderson" title="Harlan Anderson">Harlan Anderson</a> (co-founder)</li> <li><a href="/wiki/Gordon_Bell" title="Gordon Bell">Gordon Bell</a> (VP of engineering)</li> <li><a href="/wiki/Robert_Palmer_(computer_businessman)" title="Robert Palmer (computer businessman)">Robert Palmer</a> (CEO, 1992–1998)</li></ul> </div></td><td class="noviewer navbox-image" rowspan="9" style="width:1px;padding:0 0 0 2px"><div><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:Digital_Equipment_Corporation_1993_logo.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/90/Digital_Equipment_Corporation_1993_logo.svg/110px-Digital_Equipment_Corporation_1993_logo.svg.png" decoding="async" width="110" height="33" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/90/Digital_Equipment_Corporation_1993_logo.svg/165px-Digital_Equipment_Corporation_1993_logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/90/Digital_Equipment_Corporation_1993_logo.svg/220px-Digital_Equipment_Corporation_1993_logo.svg.png 2x" data-file-width="3124" data-file-height="938" /></a></span></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Instruction_set_architecture" title="Instruction set architecture">Instruction set<br />architectures</a>,<br /><a href="/wiki/Processor_(computing)" title="Processor (computing)">processors</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/PDP-11_architecture" title="PDP-11 architecture">PDP-11</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li>LSI-11</li> <li>F-11</li> <li><a href="/wiki/DEC_T-11" title="DEC T-11">T-11</a></li> <li><a href="/wiki/DEC_J-11" title="DEC J-11">J-11</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/VAX" title="VAX">VAX</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/DEC_V-11" title="DEC V-11">V-11</a></li> <li><a class="mw-selflink selflink">MicroVAX 78032</a></li> <li><a href="/wiki/CVAX" title="CVAX">CVAX</a> <ul><li><a href="/wiki/CVAX#SOC" title="CVAX">SOC</a></li></ul></li> <li><a href="/wiki/Rigel_(microprocessor)" title="Rigel (microprocessor)">Rigel</a> <ul><li><a href="/wiki/Rigel_(microprocessor)#Mariah" title="Rigel (microprocessor)">Mariah</a></li></ul></li> <li><a href="/wiki/NVAX" title="NVAX">NVAX</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/DEC_Alpha" title="DEC Alpha">Alpha</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Alpha_21064" title="Alpha 21064">Alpha 21064</a> <ul><li><a href="/wiki/Alpha_21064#Alpha_21066" title="Alpha 21064">21066</a></li> <li><a href="/wiki/Alpha_21064#Alpha_21068" title="Alpha 21064">21068</a></li></ul></li> <li><a href="/wiki/Alpha_21164" title="Alpha 21164">Alpha 21164</a> (<a href="/wiki/Alpha_21164#Alpha_21164PC_(PCA56)" title="Alpha 21164">21164PC</a>)</li> <li><a href="/wiki/Alpha_21264" title="Alpha 21264">Alpha 21264</a></li> <li><a href="/wiki/Alpha_21364" title="Alpha 21364">Alpha 21364</a></li> <li><a href="/wiki/Alpha_21464" title="Alpha 21464">Alpha 21464</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/DEC_PRISM" title="DEC PRISM">MicroPRISM</a></li> <li><a href="/wiki/StrongARM" title="StrongARM">StrongARM</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Computer_terminal" title="Computer terminal">Computer<br />terminals</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/VT05" title="VT05">VT05</a> (1970)</li> <li><a href="/wiki/DEC_GT40" title="DEC GT40">GT40</a> (1972)</li> <li><a href="/wiki/VT52" title="VT52">VT50/VT52</a> (1975)</li> <li><a href="/wiki/VT55" class="mw-redirect" title="VT55">VT55</a></li> <li><a href="/wiki/VT62" class="mw-redirect" title="VT62">VT62</a></li> <li><a href="/wiki/VT100" title="VT100">VT100</a> (1978)</li> <li><a href="/wiki/VT101" class="mw-redirect" title="VT101">VT101</a></li> <li><a href="/wiki/VT102" class="mw-redirect" title="VT102">VT102</a></li> <li><a href="/wiki/VT103" class="mw-redirect" title="VT103">VT103</a></li> <li><a href="/wiki/VT105" class="mw-redirect" title="VT105">VT105</a></li> <li><a href="/wiki/VT131" class="mw-redirect" title="VT131">VT131</a></li> <li><a href="/wiki/VT180" title="VT180">VT180</a></li> <li><a href="/wiki/VT220" title="VT220">VT220</a> (1983)</li> <li><a href="/wiki/VT240" class="mw-redirect" title="VT240">VT240</a></li> <li><a href="/wiki/VT241" class="mw-redirect" title="VT241">VT241</a></li> <li><a href="/wiki/VT320" title="VT320">VT320</a> (1987)</li> <li><a href="/wiki/VT330" class="mw-redirect" title="VT330">VT330</a></li> <li><a href="/wiki/VT340" class="mw-redirect" title="VT340">VT340</a></li> <li><a href="/wiki/VT420" title="VT420">VT420</a> (1990)</li> <li><a href="/wiki/VT1000" title="VT1000">VT1000</a> (1990)</li> <li><a href="/wiki/VT510" class="mw-redirect" title="VT510">VT510</a> (1993)</li> <li><a href="/wiki/VT520" title="VT520">VT520</a> (1994)</li> <li><a href="/wiki/VT525" class="mw-redirect" title="VT525">VT525</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Operating_system" title="Operating system">Operating<br />systems</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/PDP-7#Software" title="PDP-7">DECsys</a></li> <li><a href="/wiki/4K_Disk_Monitor_System" class="mw-redirect" title="4K Disk Monitor System">4K DMS</a></li> <li><a href="/wiki/Commercial_Operating_System" title="Commercial Operating System">COS</a></li> <li><a href="/wiki/TOPS-10" title="TOPS-10">TOPS-10</a></li> <li><a href="/wiki/RSX-15" class="mw-redirect" title="RSX-15">RSX-15</a></li> <li><a href="/wiki/TSS/8" title="TSS/8">TSS/8</a></li> <li><a href="/wiki/OS/8" title="OS/8">OS/8</a></li> <li><a href="/wiki/DEC_BATCH-11/DOS-11" title="DEC BATCH-11/DOS-11">DOS-11</a></li> <li><a href="/wiki/RT-11" title="RT-11">RT-11</a></li> <li><a href="/wiki/RSTS/E" title="RSTS/E">RSTS/E</a></li> <li><a href="/wiki/RSX-11" title="RSX-11">RSX-11</a> <ul><li><a href="/wiki/Interactive_Application_System" title="Interactive Application System">IAS</a></li></ul></li> <li><a href="/wiki/MUMPS#1970s" title="MUMPS">DSM-11</a></li> <li><a href="/wiki/TOPS-20" title="TOPS-20">TOPS-20</a></li> <li><a href="/wiki/OpenVMS" title="OpenVMS">VAX/VMS</a></li> <li><a href="/wiki/VAXELN" title="VAXELN">VAXELN</a></li> <li><a href="/wiki/Ultrix" title="Ultrix">Ultrix</a></li> <li><a href="/wiki/DEC_MICA" title="DEC MICA">MICA</a></li> <li><a href="/wiki/Digital_UNIX" class="mw-redirect" title="Digital UNIX">Digital UNIX</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Programming_language" title="Programming language">Programming<br />languages</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/BASIC-8" title="BASIC-8">BASIC-8</a></li> <li><a href="/wiki/DIBOL" title="DIBOL">DIBOL</a></li> <li><a href="/wiki/FOCAL_(programming_language)" title="FOCAL (programming language)">FOCAL</a></li> <li><a href="/wiki/MACRO-10" title="MACRO-10">MACRO-10</a></li> <li><a href="/wiki/MACRO-11" title="MACRO-11">MACRO-11</a></li> <li><a href="/wiki/MUMPS" title="MUMPS">MUMPS</a></li> <li><a href="/wiki/VAX_MACRO" title="VAX MACRO">VAX MACRO</a></li> <li><a href="/wiki/DIGITAL_Command_Language" title="DIGITAL Command Language">DIGITAL Command Language</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Character_encoding" title="Character encoding">Character sets</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Multinational_Character_Set" title="Multinational Character Set">Code page 1100</a> (Multinational)</li> <li><a href="/wiki/Code_page_1287" title="Code page 1287">Code page 1287</a> (Greek)</li> <li><a href="/wiki/Code_page_1288" title="Code page 1288">Code page 1288</a> (Turkish)</li> <li><a href="/wiki/DEC_Hebrew" title="DEC Hebrew">Hebrew</a></li> <li><a href="/wiki/National_Replacement_Character_Set" title="National Replacement Character Set">National Replacement</a></li> <li><a href="/wiki/DEC_RADIX_50" title="DEC RADIX 50">RADIX 50</a></li> <li><a href="/wiki/DEC_Special_Graphics" title="DEC Special Graphics">Special Graphics</a></li> <li><a href="/wiki/DEC_Technical_Character_Set" title="DEC Technical Character Set">Technical</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Bus_(computing)" title="Bus (computing)">Bus standards</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Digital_Storage_Systems_Interconnect" title="Digital Storage Systems Interconnect">Digital Storage Systems Interconnect</a></li> <li><a href="/wiki/Massbus" title="Massbus">Massbus</a></li> <li><a href="/wiki/Q-Bus" title="Q-Bus">Q-Bus</a></li> <li><a href="/wiki/Standard_Disk_Interconnect" title="Standard Disk Interconnect">Standard Disk Interconnect</a></li> <li><a href="/wiki/Synchronous_Backplane_Interconnect" title="Synchronous Backplane Interconnect">Synchronous Backplane Interconnect</a></li> <li><a href="/wiki/TURBOchannel" title="TURBOchannel">TURBOchannel</a></li> <li><a href="/wiki/Unibus" title="Unibus">Unibus</a></li> <li><a href="/wiki/VAXBI_bus" title="VAXBI bus">VAXBI bus</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other <a href="/wiki/Computer_hardware" title="Computer hardware">hardware</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/DECtalk" title="DECtalk">DECtalk</a></li> <li><a href="/wiki/DECtape" title="DECtape">DECtape</a></li> <li><a href="/wiki/DECwriter" title="DECwriter">DECwriter</a></li> <li><a href="/wiki/Digital_Linear_Tape" title="Digital Linear Tape">Digital Linear Tape</a></li> <li><a href="/wiki/Dynamically_Redefined_Character_Set" title="Dynamically Redefined Character Set">Dynamically Redefined Character Set</a></li> <li><a href="/wiki/Firefly_(cache_coherence_protocol)" title="Firefly (cache coherence protocol)">Firefly</a></li> <li><a href="/wiki/Flip-Chip_module" title="Flip-Chip module">Flip-Chip module</a></li> <li><a href="/wiki/Gold_key_(DEC)" title="Gold key (DEC)">Gold key</a></li> <li><a href="/wiki/LK201" title="LK201">LK201</a></li> <li><a href="/wiki/LK421" title="LK421">LK421</a></li> <li><a href="/wiki/Mass_Storage_Control_Protocol" title="Mass Storage Control Protocol">Mass Storage Control Protocol</a></li> <li><a href="/wiki/PALcode" title="PALcode">PALcode</a></li> <li><a href="/wiki/RA90" title="RA90">RA90</a></li> <li><a href="/wiki/RK05" title="RK05">RK05</a></li> <li><a href="/wiki/RL02" title="RL02">RL02</a></li> <li><a href="/wiki/Star_coupler" title="Star coupler">Star coupler</a></li> <li><a href="/wiki/System_Module" title="System Module">System Module</a></li> <li><a href="/wiki/TU81" title="TU81">TU81</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Related topics</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/AdvFS" title="AdvFS">AdvFS</a></li> <li><a href="/wiki/AltaVista" title="AltaVista">AltaVista</a></li> <li><a href="/wiki/Compaq" title="Compaq">Compaq</a></li> <li><i><a href="/wiki/CPU_Wars" title="CPU Wars">CPU Wars</a></i></li> <li><a href="/wiki/DECnet" title="DECnet">DECnet</a></li> <li><a href="/wiki/DECUS" title="DECUS">DECUS</a> <ul><li><a href="/wiki/HP-Interex" title="HP-Interex">HP-Interex</a></li></ul></li> <li><a href="/wiki/Digital_Federal_Credit_Union" title="Digital Federal Credit Union">Digital Federal Credit Union</a></li> <li><a href="/wiki/Dynamic_debugging_technique" title="Dynamic debugging technique">Dynamic debugging technique</a></li> <li><a href="/wiki/FX!32" title="FX!32">FX!32</a></li> <li><a href="/wiki/Local_Area_Transport" title="Local Area Transport">Local Area Transport</a></li> <li><a href="/wiki/Maintenance_Operations_Protocol" title="Maintenance Operations Protocol">Maintenance Operations Protocol</a></li> <li><a href="/wiki/On-line_Debugging_Tool" title="On-line Debugging Tool">On-line Debugging Tool</a></li> <li><a href="/wiki/PALcode" title="PALcode">PALcode</a></li> <li><a href="/wiki/Record_Management_Services" title="Record Management Services">Record Management Services</a></li> <li><a href="/wiki/ReGIS" title="ReGIS">ReGIS</a></li> <li>Sequence and Batch Language</li> <li><a href="/wiki/Sixel" title="Sixel">Sixel</a></li> <li><a href="/wiki/System_Reference_Manual" class="mw-redirect" title="System Reference Manual">System Reference Manual</a></li> <li><a href="/wiki/DEC_Systems_Research_Center" title="DEC Systems Research Center">Systems Research Center</a></li> <li><a href="/wiki/TD/SMP" title="TD/SMP">TD/SMP</a></li> <li><i><a href="/wiki/The_Ultimate_Entrepreneur" title="The Ultimate Entrepreneur">The Ultimate Entrepreneur</a></i></li> <li><a href="/wiki/VT640" title="VT640">VT640</a></li> <li><a href="/wiki/WPS-8" title="WPS-8">WPS-8</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="3"><div> <ul><li><span class="noviewer" typeof="mw:File"><span title="Template"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/83/Symbol_template_class_pink.svg/16px-Symbol_template_class_pink.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/83/Symbol_template_class_pink.svg/23px-Symbol_template_class_pink.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/83/Symbol_template_class_pink.svg/31px-Symbol_template_class_pink.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <a href="/wiki/Template:DEC_hardware" title="Template:DEC hardware">Computers template</a></li> <li><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" 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