{"id":1075,"date":"2025-03-23T12:24:32","date_gmt":"2025-03-23T11:24:32","guid":{"rendered":"https:\/\/blog.udisks.ovh\/?p=1075"},"modified":"2025-10-03T22:12:37","modified_gmt":"2025-10-03T20:12:37","slug":"elwro-800-jr","status":"publish","type":"post","link":"https:\/\/www.mundocaos.com\/?p=1075","title":{"rendered":"Elwro 800 Junior"},"content":{"rendered":"\n<p>A mediados de los a\u00f1os 80, el ministro de educaci\u00f3n de Polonia decidi\u00f3 informatizar las escuelas. Por aquel entonces, muchas escuelas ya ten\u00edan ordenador, siendo los mayoritariamente escogidos el ZX-Spectrum y el Timex Sinclair, aunque tambi\u00e9n hubo muchos MSX por su disponibilidad de unidades de discos y sus sistemas operativos (MSX-DOS y CP\/M)<\/p>\n\n\n\n<p>El nuevo ordenador ten\u00eda que ser barato, compatible con el ZX-Spectrum, y ser f\u00e1cil de producir y reparar. En 1986, el ministro confirm\u00f3 la elecci\u00f3n del Junior, dise\u00f1ado por ingenieros de la <em>Technical University<\/em> de Poznan. Entro directamente en producci\u00f3n en la factor\u00eda de Elwro en Wroclaw.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"597\" src=\"https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/03\/fullsizeoutput_1248-1024x597.webp\" alt=\"\" class=\"wp-image-5539\" srcset=\"https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/03\/fullsizeoutput_1248-1024x597.webp 1024w, https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/03\/fullsizeoutput_1248-300x175.webp 300w, https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/03\/fullsizeoutput_1248-768x448.webp 768w, https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/03\/fullsizeoutput_1248-1536x895.webp 1536w, https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/03\/fullsizeoutput_1248.webp 1853w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>El ordenador, basado en el <strong>MME 80A<\/strong> (un clon del Z80A fabricado en la RDA), era barato de fabricar, ya que muchos de los componentes proven\u00edan de los almacenes de Elwro, ya fabricados para algo totalmente diferente. As\u00ed por ejemplo, la carcasa del Elwro 800 Junior es la misma que la de un piano electr\u00f3nico de juguete.<\/p>\n\n\n\n<p>Pese a ser barato, ten\u00eda mejores prestaciones que el ZX-Spectrum que se utiliz\u00f3 como base. Los dise\u00f1adores le a\u00f1adieron un puerto paralelo y una una red de comunicaciones a trav\u00e9s del puerto serie denominada <strong>Junet<\/strong>. Esta red permit\u00eda el acceso de hasta 15 computadoras de estudiantes a los disquetes de la m\u00e1quina de ense\u00f1anza, que pose\u00eda una o varias unidades de discos. Algunas unidades llevaban instalada la red del ZX-Spectrum.<\/p>\n\n\n\n<p>El sistema operativo era el <strong>CP\/J<\/strong>, un clon de CP\/M 2.2 modificado especialmente para dispositivos de red.<\/p>\n\n\n\n<p>En 1987 se envi\u00f3 a las escuelas, y tuvo bastante \u00e9xito a pesar de los problemas iniciales con la red y las unidades de disco.  <\/p>\n\n\n\n<p>Posteriormente intentaron desarrollar una versi\u00f3n domestica del Junior, con unidad de discos de 3.5&#8243; interna y puerto serie RS-232 en lugar de Junet, pero la empresa quebr\u00f3 y nunca pas\u00f3 de ser un prototipo.<\/p>\n\n\n\n<p>Hubo 3 versiones de este ordenador, variando b\u00e1sicamente en redise\u00f1os de la placa madre:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Elwro 800 \/ Elwro 800-1<\/strong>: No posee controladora de discos ni soporte de la red Network.<\/li>\n\n\n\n<li><strong>Elwro 800-2<\/strong>: la placa base es la revision 2 \/ B.<\/li>\n\n\n\n<li><strong>Elwro 800-3<\/strong>: Incluye la controladora de discos y la revisi\u00f3n 3\/C de la placa madre.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"460\" src=\"https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/03\/fullsizeoutput_124e-1024x460.webp\" alt=\"\" class=\"wp-image-5541\" srcset=\"https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/03\/fullsizeoutput_124e-1024x460.webp 1024w, https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/03\/fullsizeoutput_124e-300x135.webp 300w, https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/03\/fullsizeoutput_124e-768x345.webp 768w, https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/03\/fullsizeoutput_124e-1536x690.webp 1536w, https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/03\/fullsizeoutput_124e.webp 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>El dispositivo de almacenamiento era la cinta de cassette, o una unidad de disco externa si se dispon\u00eda de controladora de discos.<\/p>\n\n\n\n<p>Cada conjunto de ordenadores consist\u00eda en 8 Junior sin controladora de disco, para los estudiantes, un 800-3 con unidad de discos para el profesor, una impresora MERA D-100 y monitores Neptun 156. Las escuelas peque\u00f1as recib\u00edan un conjunto de estos, y dos las escuelas grandes,<\/p>\n\n\n\n<figure class=\"wp-block-table alignwide is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><th colspan=\"4\">Caracter\u00edsticas t\u00e9cnicas<\/th><\/tr><\/thead><tbody><tr><td><strong>Nombre<\/strong><\/td><td colspan=\"3\">Elwro 800<\/td><\/tr><tr><td><strong>Fabricante<\/strong><\/td><td colspan=\"3\">Elwro<\/td><\/tr><tr><td><strong>Pais<\/strong><\/td><td colspan=\"3\">Polonia<\/td><\/tr><tr><td><strong>A\u00f1o<\/strong><\/td><td colspan=\"3\">1986-1989<\/td><\/tr><tr><td><strong>CPU<\/strong><\/td><td colspan=\"3\">MME 80A (Cl\u00f3n Z80) @ 3,5MHz<\/td><\/tr><tr><td><strong>RAM<\/strong><\/td><td colspan=\"3\">64KB<\/td><\/tr><tr><td><strong>ROM<\/strong><\/td><td colspan=\"3\">24KB<\/td><\/tr><tr><td><strong>Modos de texto<\/strong><\/td><td colspan=\"3\">32&#215;24, 64&#215;24<\/td><\/tr><tr><td><strong>Modos Gr\u00e1ficos<\/strong><\/td><td colspan=\"3\">256&#215;192 @ 16 colores<\/td><\/tr><tr><td><strong>Lenguaje integrado<\/strong><\/td><td colspan=\"3\">ZX-Spectrum BASIC, CP\/J Loader (CP\/M 2.2 Compatible)<\/td><\/tr><tr><td><strong>Puertos E\/S<\/strong><\/td><td colspan=\"3\">Salida TV RF (PAL-M)<br>E\/S a cassette<br>Conector de Joystick<\/td><\/tr><tr><td><strong>Fuente de alimentaci\u00f3n<\/strong><\/td><td colspan=\"3\"><\/td><\/tr><tr><td><strong>Perif\u00e9ricos<\/strong><\/td><td colspan=\"3\"><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading has-text-align-center has-base-color has-text-color has-background has-link-color has-large-font-size wp-elements-05edc5e5252bec4f645a526538786abb\" style=\"border-radius:52px;background-color:#0000ff;padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">COLECCI\u00d3N<\/h3>\n\n\n\n<figure class=\"wp-block-table alignwide is-style-stripes has-medium-font-size\"><table class=\"has-cyan-bluish-gray-background-color has-background has-fixed-layout\"><thead><tr><th colspan=\"4\">Elwro 800 Junior<\/th><\/tr><\/thead><tbody><tr><td>Tipo<\/td><td colspan=\"3\">E-800 Junior wyk.01<\/td><\/tr><tr><td>S\/N<\/td><td colspan=\"3\">87 000344<\/td><\/tr><tr><td>Funciona<\/td><td colspan=\"3\">SI<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Tras crear el cable de video compuesto (DIN-5 a RCA), el Elwro enciende y da salida en la pantalla en B\/N en el CM8833. Muestra en pantalla el texto:<\/p>\n\n\n\n<div class=\"wp-block-group has-tertiary-background-color has-background is-layout-flow wp-container-core-group-is-layout-20b2564e wp-block-group-is-layout-flow\" style=\"border-width:1px;border-radius:30px;min-height:95px;margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30);padding-right:var(--wp--preset--spacing--60);padding-left:var(--wp--preset--spacing--60)\">\n<p>ELWRO Elwro 800 Junior<\/p>\n\n\n\n<p>64kB RAM 24kB ROM wersja bezdyskowa<\/p>\n\n\n\n<p>(y el cursor del Spectrum K parpadeando)<\/p>\n<\/div>\n\n\n\n<p>A ver si consigo un emulador&#8230;<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-text-align-center has-base-color has-text-color has-background has-link-color has-large-font-size wp-elements-d9f6052667b862ca28ff098ead9edd4b\" style=\"border-radius:52px;background-color:#0000ff;padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">DOCUMENTACI\u00d3N<\/h3>\n\n\n\n<details class=\"wp-block-details alignwide is-layout-flow wp-block-details-is-layout-flow\"><summary>V\u00eddeo<\/summary>\n<p>El Elwro 800 posee dos conectores de video: monocromo y RGB. El conector de v\u00eddeo compuesto es un DIN-5:<\/p>\n\n\n\n<figure class=\"wp-block-table alignwide\"><table class=\"has-fixed-layout\" style=\"border-style:none;border-width:0px\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><img decoding=\"async\" src=\"https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/01\/DIN5-Numbered-150x150.jpeg\" alt=\"\"><\/td><td>1 &#8211; Luminance<br>2 &#8211; Ground<br>3 &#8211; Sound<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\" colspan=\"2\"><strong>RGB (conector DB-9 hembra)<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><img decoding=\"async\" src=\"https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/01\/connector_db9_elwro-300x156.png\" alt=\"\"><\/td><td>1 &#8211; GND<br>2 &#8211; NC o Composite sync<br>3 &#8211; Red<br>4 &#8211; Green<br>5 &#8211; Blue<br>6 &#8211; Brightness bit<br>7 &#8211; Sound<br>8 &#8211; H sync<br>9 &#8211; V sync<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\" colspan=\"2\"><img decoding=\"async\" src=\"https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/03\/rgb-scart.webp\" alt=\"\"><br><\/td><\/tr><\/tbody><\/table><\/figure>\n<\/details>\n\n\n\n<p>En la web <a href=\"https:\/\/github.com\/codepainters\/e800j\/blob\/main\/docs\/scart.md\">https:\/\/github.com\/codepainters\/e800j\/blob\/main\/docs\/scart.md<\/a> indican otro cable de RGB a Euroconector. La versi\u00f3n con diodos (arriba) indica que no funciona bien en todos los monitores\/TV. La siguiente versi\u00f3n, con resistencias, funciona en todos los monitores, pero solo muestra 8 colores.<\/p>\n\n\n\n<p class=\"has-text-align-center\"><img decoding=\"async\" src=\"https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/03\/scart_cable.png\" alt=\"\"><\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"193\" src=\"https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/03\/fullsizeoutput_124c-1024x193.webp\" alt=\"\" class=\"wp-image-5542\" srcset=\"https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/03\/fullsizeoutput_124c-1024x193.webp 1024w, https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/03\/fullsizeoutput_124c-300x56.webp 300w, https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/03\/fullsizeoutput_124c-768x144.webp 768w, https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/03\/fullsizeoutput_124c-1536x289.webp 1536w, https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/03\/fullsizeoutput_124c.webp 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<details class=\"wp-block-details alignwide is-layout-flow wp-block-details-is-layout-flow\"><summary>Conectores<\/summary>\n<figure class=\"wp-block-table alignwide\"><table class=\"has-base-color has-contrast-background-color has-text-color has-background has-link-color has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">Cassette<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-table alignwide\"><table class=\"has-fixed-layout\" style=\"border-style:none;border-width:0px\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><img decoding=\"async\" src=\"https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/01\/DIN5-Numbered-150x150.jpeg\" alt=\"\"><\/td><td>1 &#8211; Tape Out<br>2 &#8211; GND<br>3 &#8211; Tape In<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-table alignwide\"><table class=\"has-base-color has-contrast-background-color has-text-color has-background has-link-color has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">Serial \/ Junet Network<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-table alignwide\"><table class=\"has-fixed-layout\" style=\"border-style:none;border-width:0px\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><img decoding=\"async\" src=\"https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/01\/DIN5-Numbered-150x150.jpeg\" alt=\"\"><\/td><td>1 &#8211; Data<br>2 &#8211; GND<br>3 &#8211; Clock<br>4 &#8211; Busy<br>5 &#8211; Reservado para uso futuro (puenteado en el interior)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-table alignwide\"><table class=\"has-base-color has-contrast-background-color has-text-color has-background has-link-color has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">Impresora<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Utiliza un puerto Centronics, con un conector DB-37 hembra<\/p>\n\n\n\n<figure class=\"wp-block-table alignwide\"><table class=\"has-fixed-layout\" style=\"border-style:none;border-width:0px\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><img decoding=\"async\" src=\"https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/03\/s-l1600-300x57.jpg\" alt=\"\"><\/td><td>1 &#8211;&nbsp;&nbsp; \/STROBE<br>2 &#8211;&nbsp;&nbsp; Data1<br>3 &#8211;&nbsp;&nbsp; Data2<br>4 &#8211;&nbsp;&nbsp; Data3<br>5 &#8211;&nbsp;&nbsp; Data4<br>6 &#8211;&nbsp;&nbsp; Data5<br>7 &#8211;&nbsp;&nbsp; Data6<br>8 &#8211;&nbsp;&nbsp; Data7<br>9 &#8211;&nbsp;&nbsp; Data8<br>10 &#8211; \/ACK<br>19-28 &#8211; Ground<br>36 &#8211; SLCTIN<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-table alignwide\"><table class=\"has-base-color has-contrast-background-color has-text-color has-background has-link-color has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Joystick<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Usa un conector D-sub 9 pin macho, aunque no se conoce nada su uso. Solo se sabe que est\u00e1 conectado al 8255.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\" style=\"border-style:none;border-width:0px\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><img decoding=\"async\" src=\"https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/01\/connector_db9_elwro-300x156.png\" alt=\"\"><\/td><td>1 &#8211;&nbsp;&nbsp; PA3<br>2 &#8211;&nbsp;&nbsp; PA2<br>3 &#8211;&nbsp;&nbsp; PA1<br>4 &#8211;&nbsp;&nbsp; PA0<br>5 &#8211;&nbsp;&nbsp; PA5<br>6 &#8211;&nbsp;&nbsp; PA4<br>7 &#8211;&nbsp;&nbsp; +5V<br>8 &#8211;&nbsp;&nbsp; PA6<br>9 &#8211;&nbsp;&nbsp; PA7<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table alignwide\"><table class=\"has-base-color has-contrast-background-color has-text-color has-background has-link-color has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">Floppy Disk Drive<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Utiliza un conector DB-37 macho.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-medium\"><img decoding=\"async\" width=\"300\" height=\"93\" src=\"https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/03\/Portapapeles-1-300x93.png\" alt=\"\" class=\"wp-image-4597\" srcset=\"https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/03\/Portapapeles-1-300x93.png 300w, https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/03\/Portapapeles-1-100x31.png 100w, https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/03\/Portapapeles-1.png 640w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-left\">Es posible conectar una unidad de disquete de PC utilizando la distribuci\u00f3n de pines que aparece en la mitad derecha de la tabla. Las unidades deben tener seleccionados los puentes DRIVE0 y DRIVE1.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"335\" height=\"763\" src=\"https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/01\/image-1.png\" alt=\"\" class=\"wp-image-1096\" srcset=\"https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/01\/image-1.png 335w, https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/01\/image-1-132x300.png 132w\" sizes=\"(max-width: 335px) 100vw, 335px\" \/><\/figure>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<div id=\"filebird-document-library\">\n   <div class=\"njt-fbdl\">\n      <script type=\"application\/json\" 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width=\"300\" height=\"228\" src=\"https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/08\/FDC-800J-B-300x228.jpg\" class=\"attachment-medium size-medium\" alt=\"\" srcset=\"https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/08\/FDC-800J-B-300x228.jpg 300w, https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/08\/FDC-800J-B-1024x778.jpg 1024w, https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/08\/FDC-800J-B-768x584.jpg 768w, https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/08\/FDC-800J-B.jpg 1421w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>                            <\/div>\n                                                        <div class=\"fbdl-grid-detail\">\n                                <div>\n                                    <a href=\"https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/08\/FDC-800J-B.jpg\" target=\"_blank\" rel=\"noopener noreferrer\"                                        class=\"fbdl-title\">\n                             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                           <span\n                                    class=\"fbdl-file-size\">86 MB<\/span>\n                            <\/div>\n                        <\/div>\n                        <a href=\"https:\/\/www.mundocaos.com\/wp-content\/uploads\/2025\/09\/System-Operacyjny-CP_J-dla-mikrokomputera-Elwro-800-Junior.pdf\" target=\"_blank\" download\n                            rel=\"noopener noreferrer\"\n                            class=\"fbdl-download-button\">Download<\/a>\n                    <\/div>\n                                    <\/div>\n            <\/div>\n        <\/div>\n    <\/div>\n<\/div>                                    <\/div>\n         <div class=\"fbdl-pagination\"><\/div>      <\/div>\n   <\/div>\n<\/div>\n\n\n<h3 class=\"wp-block-heading has-text-align-center has-base-color has-text-color has-background has-link-color has-large-font-size wp-elements-674e4a7c8b25500c2a1b6d9dfad25f20\" style=\"border-radius:50px;background-color:#0000ff;padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">ENLACES<\/h3>\n\n\n\n<p style=\"border-radius:50px\"><a href=\"https:\/\/oldcrap.org\/2017\/11\/10\/elwro-800\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/oldcrap.org\/2017\/11\/10\/elwro-800\/<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/oldcomputer.info\/8bit\/elwro800\/index.htm\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/oldcomputer.info\/8bit\/elwro800\/index.htm<\/a><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A mediados de los a\u00f1os 80, el ministro de educaci\u00f3n de Polonia decidi\u00f3 informatizar las escuelas. Por aquel entonces, muchas escuelas ya ten\u00edan ordenador, siendo los mayoritariamente escogidos el ZX-Spectrum y el Timex Sinclair, aunque tambi\u00e9n hubo muchos MSX por su disponibilidad de unidades de discos y sus sistemas operativos (MSX-DOS y CP\/M) El nuevo [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1077,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47,118,138,17,134,104],"tags":[20],"class_list":["post-1075","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-elwro","category-ok","category-polonia","category-ordenadores-varios","category-z80","category-zx-spectrrum-clones","tag-ordenadores_varios"],"_links":{"self":[{"href":"https:\/\/www.mundocaos.com\/index.php?rest_route=\/wp\/v2\/posts\/1075","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mundocaos.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.mundocaos.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.mundocaos.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mundocaos.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1075"}],"version-history":[{"count":45,"href":"https:\/\/www.mundocaos.com\/index.php?rest_route=\/wp\/v2\/posts\/1075\/revisions"}],"predecessor-version":[{"id":8443,"href":"https:\/\/www.mundocaos.com\/index.php?rest_route=\/wp\/v2\/posts\/1075\/revisions\/8443"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mundocaos.com\/index.php?rest_route=\/wp\/v2\/media\/1077"}],"wp:attachment":[{"href":"https:\/\/www.mundocaos.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1075"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mundocaos.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1075"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mundocaos.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1075"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}