{"id":9438,"date":"2025-02-08T14:58:35","date_gmt":"2025-02-08T13:58:35","guid":{"rendered":"https:\/\/retrofixer.it\/?p=9438"},"modified":"2025-05-13T12:26:56","modified_gmt":"2025-05-13T10:26:56","slug":"rom-minerva","status":"publish","type":"post","link":"https:\/\/retrofixer.it\/en\/rom-minerva\/","title":{"rendered":"ROM Minerva"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"9438\" class=\"elementor elementor-9438\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-578312e e-flex e-con-boxed e-con e-parent\" data-id=\"578312e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0d84cea elementor-widget elementor-widget-heading\" data-id=\"0d84cea\" 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<h3 class=\"elementor-heading-title elementor-size-default\">Realiziamo una ROM per il Sinclair QL<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f99b525 elementor-widget elementor-widget-text-editor\" data-id=\"f99b525\" 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 firmware Minerva per Sinclair QL permette di testare le ram all&#8217;avvio e offre un sistema operativo aggiornato per questo computer.<br \/>Il QL utilizza delle memorie datate e per sostituirle con le nuove eprom occorre adattare i pin e non solo, il segnale CS sui vecchi chip era attivo alto, mentre su queste \u00e8 il contrario.<\/p><p>Occorre pertanto invertire il segnale, lo si pu\u00f2 fare con una porta inverter ma spesso si trovano in package con 6 porte per il formato DIP oppure anche singola su alcuni formati SMD. Per semplificare lo schema ho utilizzato un seplice transistor per invertire il segnale.<\/p><p>Di seguito lo schema che ho realizzato<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cc0c37f elementor-widget elementor-widget-image\" data-id=\"cc0c37f\" 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\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"971\" height=\"635\" src=\"https:\/\/retrofixer.it\/wp-content\/uploads\/2025\/02\/minerva_schematic.jpg\" class=\"attachment-large size-large wp-image-9440\" alt=\"\" srcset=\"https:\/\/retrofixer.it\/wp-content\/uploads\/2025\/02\/minerva_schematic.jpg 971w, https:\/\/retrofixer.it\/wp-content\/uploads\/2025\/02\/minerva_schematic-300x196.jpg 300w, https:\/\/retrofixer.it\/wp-content\/uploads\/2025\/02\/minerva_schematic-768x502.jpg 768w, https:\/\/retrofixer.it\/wp-content\/uploads\/2025\/02\/minerva_schematic-18x12.jpg 18w, https:\/\/retrofixer.it\/wp-content\/uploads\/2025\/02\/minerva_schematic-115x75.jpg 115w, https:\/\/retrofixer.it\/wp-content\/uploads\/2025\/02\/minerva_schematic-480x314.jpg 480w\" sizes=\"(max-width:767px) 480px, (max-width:971px) 100vw, 971px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7df1f09 elementor-widget elementor-widget-text-editor\" data-id=\"7df1f09\" 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>Ora creiamo lo stampato grazie all&#8217;aiuto di <a href=\"https:\/\/www.pcbway.com\/\">PCBWAY<\/a><br><span style=\"letter-spacing: 0px;\">Tramite questo <\/span><a style=\"letter-spacing: 0px;\" href=\"https:\/\/www.pcbway.com\/project\/shareproject\/Minerva_ROM_fo_Sinclair_QL_644a941d.html\">Link<\/a><span style=\"letter-spacing: 0px;\"> potete trovare il progetto.<\/span><\/p>\n<p>Il firmware Minerva lo potete scaricare qui:<br><a href=\"https:\/\/dilwyn.qlforum.co.uk\/qlrom\/index.html\">https:\/\/dilwyn.qlforum.co.uk\/qlrom\/index.html<\/a><\/p>\n<p>Io ho usato la versione 1.98<\/p>\n<p>Se vi occorre decodificare i codici che vi mostra in caso di guasto RAM, potete andare su questa pagina:<br><a href=\"https:\/\/retrofixer.it\/en\/ql-minerva-ram-decode\/\">https:\/\/retrofixer.it\/ql-minerva-ram-decode\/<\/a><br><a href=\"https:\/\/retrofixer.it\/en\/ql-minerva-ram-decode\/\"><img decoding=\"async\" src=\"https:\/\/retrofixer.it\/wp-content\/uploads\/2023\/10\/minerva_screen-768x468.jpg\" alt=\"Screen_Minerva\"><\/a>&nbsp;<\/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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3665fb3 e-flex e-con-boxed e-con e-parent\" data-id=\"3665fb3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-5567c72 e-con-full e-flex e-con e-child\" data-id=\"5567c72\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5755cc6 elementor-widget elementor-widget-text-editor\" data-id=\"5755cc6\" 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>Tutti i componenti necessari li potete trovare anche sulla pagina\u00a0<a href=\"https:\/\/github.com\/zeus074\/Minerva-for-QL\/blob\/main\/README.md\">GitHub<\/a><\/p><p>Ora \u00e8 stata aggiunta anche la versione THT per facilitare il montaggio per tutti, senza usare componenti SMD.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7bade63 e-con-full e-flex e-con e-child\" data-id=\"7bade63\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-64cdd75 elementor-widget elementor-widget-image\" data-id=\"64cdd75\" 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\t\t\t<img decoding=\"async\" width=\"1024\" height=\"625\" src=\"https:\/\/retrofixer.it\/wp-content\/uploads\/2025\/02\/Minerva_THT-1024x625.jpg\" class=\"attachment-large size-large wp-image-9974\" alt=\"\" srcset=\"https:\/\/retrofixer.it\/wp-content\/uploads\/2025\/02\/Minerva_THT-1024x625.jpg 1024w, https:\/\/retrofixer.it\/wp-content\/uploads\/2025\/02\/Minerva_THT-300x183.jpg 300w, https:\/\/retrofixer.it\/wp-content\/uploads\/2025\/02\/Minerva_THT-768x469.jpg 768w, https:\/\/retrofixer.it\/wp-content\/uploads\/2025\/02\/Minerva_THT-18x12.jpg 18w, https:\/\/retrofixer.it\/wp-content\/uploads\/2025\/02\/Minerva_THT-123x75.jpg 123w, https:\/\/retrofixer.it\/wp-content\/uploads\/2025\/02\/Minerva_THT-480x293.jpg 480w, https:\/\/retrofixer.it\/wp-content\/uploads\/2025\/02\/Minerva_THT.jpg 1139w\" sizes=\"(max-width:767px) 480px, (max-width:1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d2f0a4d e-flex e-con-boxed e-con e-parent\" data-id=\"d2f0a4d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8053a42 elementor-widget elementor-widget-text-editor\" data-id=\"8053a42\" 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>Infine se volete vedere come viene realizzato e la sua prova effettiva, non perdetevi questo video.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d2a8d11 elementor-widget elementor-widget-video\" data-id=\"d2a8d11\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/youtu.be\\\/kfoN5LOAv3M&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Realiziamo una ROM per il Sinclair QL Il firmware Minerva per Sinclair QL permette di testare le ram all&#8217;avvio e offre un sistema operativo aggiornato per<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":9441,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19,62],"tags":[519,517,518,452,309,251],"class_list":["post-9438","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-computer","category-sinclair","tag-firmware","tag-minerva","tag-os","tag-ql","tag-rom","tag-sinclair"],"_links":{"self":[{"href":"https:\/\/retrofixer.it\/en\/wp-json\/wp\/v2\/posts\/9438","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/retrofixer.it\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/retrofixer.it\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/retrofixer.it\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/retrofixer.it\/en\/wp-json\/wp\/v2\/comments?post=9438"}],"version-history":[{"count":10,"href":"https:\/\/retrofixer.it\/en\/wp-json\/wp\/v2\/posts\/9438\/revisions"}],"predecessor-version":[{"id":9977,"href":"https:\/\/retrofixer.it\/en\/wp-json\/wp\/v2\/posts\/9438\/revisions\/9977"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/retrofixer.it\/en\/wp-json\/wp\/v2\/media\/9441"}],"wp:attachment":[{"href":"https:\/\/retrofixer.it\/en\/wp-json\/wp\/v2\/media?parent=9438"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/retrofixer.it\/en\/wp-json\/wp\/v2\/categories?post=9438"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/retrofixer.it\/en\/wp-json\/wp\/v2\/tags?post=9438"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}