{"id":2913,"date":"2023-02-23T11:40:18","date_gmt":"2023-02-23T10:40:18","guid":{"rendered":"https:\/\/50anni.informatica.unisa.it\/?page_id=2913"},"modified":"2023-03-07T11:38:44","modified_gmt":"2023-03-07T10:38:44","slug":"vax-750","status":"publish","type":"page","link":"https:\/\/50anni.informatica.unisa.it\/index.php\/vax-750\/","title":{"rendered":"Vax 750"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"2913\" class=\"elementor elementor-2913\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-49eef78f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"49eef78f\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-65114892\" data-id=\"65114892\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5098b17 elementor-widget elementor-widget-heading\" data-id=\"5098b17\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">VAX-11\/750<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-19f1bd36 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"19f1bd36\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-5dd52922\" data-id=\"5dd52922\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-46d0f88d elementor-widget elementor-widget-text-editor\" data-id=\"46d0f88d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul>\n<li><b>Produttore<\/b>: Digital Equipment Corporation<\/li><li><b>Data di rilascio<\/b>: 1980<\/li>\n<li><b>CPU<\/b>: KA750 320 ns (3.125 MHz)&nbsp;<\/li>\n<\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-416ac2e9\" data-id=\"416ac2e9\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-32449d86 elementor-widget elementor-widget-image\" data-id=\"32449d86\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/50anni.informatica.unisa.it\/wp-content\/uploads\/2023\/02\/VAX-11-750.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"VAX-11-750\" data-elementor-lightbox-description=\"Retro-Computing Society of Rhode Island\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MjkxOCwidXJsIjoiaHR0cHM6XC9cLzUwYW5uaS5pbmZvcm1hdGljYS51bmlzYS5pdFwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyM1wvMDJcL1ZBWC0xMS03NTAuanBnIn0%3D\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"900\" src=\"https:\/\/50anni.informatica.unisa.it\/wp-content\/uploads\/2023\/02\/VAX-11-750-1024x900.jpg\" class=\"attachment-large size-large wp-image-2918\" alt=\"\" srcset=\"https:\/\/50anni.informatica.unisa.it\/wp-content\/uploads\/2023\/02\/VAX-11-750-1024x900.jpg 1024w, https:\/\/50anni.informatica.unisa.it\/wp-content\/uploads\/2023\/02\/VAX-11-750-300x264.jpg 300w, https:\/\/50anni.informatica.unisa.it\/wp-content\/uploads\/2023\/02\/VAX-11-750-768x675.jpg 768w, https:\/\/50anni.informatica.unisa.it\/wp-content\/uploads\/2023\/02\/VAX-11-750-1536x1349.jpg 1536w, https:\/\/50anni.informatica.unisa.it\/wp-content\/uploads\/2023\/02\/VAX-11-750-2048x1799.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">VAX-11-750<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1ce5dd95 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1ce5dd95\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-652e649d\" data-id=\"652e649d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-12db0098 elementor-widget elementor-widget-heading\" data-id=\"12db0098\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-large\">Nel Centro di Calcolo<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-21080c44 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"21080c44\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e01620f\" data-id=\"e01620f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-71b443c elementor-widget elementor-widget-text-editor\" data-id=\"71b443c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Il 30.10.1981 il Consiglio d\u2019Amministrazione dell\u2019Universit\u00e0 degli Studi di Salerno, presieduto dal rettore Vincenzo Buonocore, deliber\u00f2 di acquistare dalla Digital Equipment S.p.a. il sistema VAX 750, come specificato sotto le sigle SVUBXWAA-AN e RM03-AD (offerta del 09\/10\/1981). La gestione della struttura non venne assegnata all\u2019Istituto di Scienze dell\u2019Informazione e fu nominata una Commissione che formulasse una proposta di regolamentazione della struttura [<a href=\"https:\/\/50anni.informatica.unisa.it\/index.php\/19811030-cda-verbale-non-assegnazione-vax-emotivazioni\/\">consiglio di Amministrazione<\/a>].&nbsp;<\/p>\n<p><span style=\"color: var( --e-global-color-text );\">Tuttavia, il consiglio di Amministrazione dell\u2019Universit\u00e0 di Salerno nella riunione del 02\/06\/1982 deliber\u00f2 di affidare la struttura del Centro di calcolo all\u2019Istituto di Scienze dell\u2019Informazione per far fronte alle esigenze didattiche del corso di laurea [<a href=\"https:\/\/50anni.informatica.unisa.it\/index.php\/19820602-cda-affidamento-allisi-del-vax-750\/\">delibera<\/a>].<\/span><\/p>\n<p><span style=\"color: var( --e-global-color-text );\">Il 6 luglio del 1982 il sistema VAX 750 della Digital Equipment venne collaudato nei locali del Centro di Calcolo alla presenza dei professori Alberto Apostolico, Renato Capocelli, Filomena de Santis, Emanuela Fachini ed Enrico Fischetti ed il tecnico laureato ingegnere Esamuele Santoro [<a href=\"https:\/\/50anni.informatica.unisa.it\/index.php\/19821011-isi-verbale-collaudo-vax-750\/\">scheda collaudo<\/a>].<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-493c03d3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"493c03d3\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5e79ecbf\" data-id=\"5e79ecbf\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-52722cff elementor-widget elementor-widget-heading\" data-id=\"52722cff\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-large\">Storia<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-306e3e73 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"306e3e73\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4838468e\" data-id=\"4838468e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6048453e elementor-widget elementor-widget-text-editor\" data-id=\"6048453e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>La VAX-11 \u00e8 una famiglia di superminicomputer a 32-bit dismessi, in grado di eseguire l&#8217;insieme di istruzioni macchina Virtual Address eXtension (VAX), sviluppati e progettati a partire dal 1976 da Digital Equipment Corporation (DEC). Oltre ad essere potenti di per s\u00e9, queste macchine offrivano anche la possibilit\u00e0 aggiuntiva di eseguire il codice PDP-11 in user mode (quindi il -11 in VAX-11), rendendo disponibile la compatibilit\u00e0 verso i nuovi modelli.<\/p><p>Il primo esemplare fu il VAX-11\/780, annunciato nell&#8217;ottobre del 1977. I concorrenti nell&#8217;ambito dei minicomputer, come Data General e Hewlett-Packard, non furono in grado di rispondere con successo all&#8217;introduzione e al rapido aggiornamento del design VAX. DEC cre\u00f2 poi modelli sempre pi\u00f9 economici, come i 11\/750, 11\/730 e 11\/725 nel 1982. Esemplari pi\u00f9 potenti, inizialmente noti come VAX-11\/790 e VAX-11 \/795, furono invece ribattezzate serie VAX 8600.<\/p><p>La linea VAX-11 venne abbandonata nel 1988, soppiantata dalla famiglia MicroVAX per la fascia bassa e dalla famiglia VAX 8000 per quella alta.\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5c75a11f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5c75a11f\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1875cc4\" data-id=\"1875cc4\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-48458bdd elementor-widget elementor-widget-heading\" data-id=\"48458bdd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-large\">Caratteristiche<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-71a7095c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"71a7095c\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-784bb88d\" data-id=\"784bb88d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-16edcca9 elementor-widget elementor-widget-text-editor\" data-id=\"16edcca9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Il VAX-11\/750, noto con il nome in codice &#8220;Comet&#8221;, \u00e8 una macchina costituita da un&#8217;implementazione dell&#8217;architettura VAX basata su un gate array bipolare, introdotta nell&#8217;ottobre 1980.<\/p><p>L&#8217;uso del gate array permette un risparmio di potenza e permette una maggiore affidabilit\u00e0 rispetto al VAX-11\/780.\u00a0<\/p><p>La CPU KA750 ha un tempo di ciclo di 320 ns (3.125 MHz) ed \u00e8 di categoria VUP 0.6. Il sistema \u00e8 in grado di sopportare fino a 2MB con un controller di memoria L0011, e fino a 8MB con un L0016, o a 14MB con un L0022.<\/p><p>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-836aa70 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"836aa70\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1b3799d\" data-id=\"1b3799d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-abc4aa1 elementor-widget elementor-widget-text-editor\" data-id=\"abc4aa1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><div class=\"_df_book df-lite\" id=\"df_2915\"  _slug=\"vax-software\" data-title=\"vax-software\" wpoptions=\"true\" thumbtype=\"\" ><\/div><script class=\"df-shortcode-script\" nowprocket type=\"application\/javascript\">window.option_df_2915 = {\"outline\":[],\"autoEnableOutline\":\"false\",\"autoEnableThumbnail\":\"false\",\"overwritePDFOutline\":\"false\",\"direction\":\"1\",\"pageSize\":\"0\",\"source\":\"https:\\\/\\\/50anni.informatica.unisa.it\\\/wp-content\\\/uploads\\\/2023\\\/02\\\/02-VAX-architecture-handbook-1981.pdf\",\"wpOptions\":\"true\"}; if(window.DFLIP && window.DFLIP.parseBooks){window.DFLIP.parseBooks();}<\/script><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a0fd785 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a0fd785\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-596e7c52\" data-id=\"596e7c52\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6eda4d42 elementor-widget elementor-widget-text-editor\" data-id=\"6eda4d42\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><i>* Le informazioni sulla macchina all&#8217;interno del Centro di Calcolo sono state realizzate sulla base di documenti reperiti presso l&#8217;Archivio Storico dell&#8217;Universit\u00e0 degli Studi di Salerno.<\/i><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>VAX-11\/750 Produttore: Digital Equipment Corporation Data di rilascio: 1980 CPU: KA750 320 ns (3.125 MHz)&nbsp; VAX-11-750 Nel Centro di Calcolo Il 30.10.1981 il Consiglio d\u2019Amministrazione dell\u2019Universit\u00e0 degli Studi di Salerno, presieduto dal rettore Vincenzo&#46;&#46;&#46;<\/p>\n","protected":false},"author":5,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"ngg_post_thumbnail":0,"footnotes":""},"class_list":["post-2913","page","type-page","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - 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