{"id":2374,"date":"2020-03-22T15:00:01","date_gmt":"2020-03-22T15:00:01","guid":{"rendered":"http:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/?p=2374"},"modified":"2025-02-13T23:37:36","modified_gmt":"2025-02-13T22:37:36","slug":"a2620-2mb","status":"publish","type":"post","link":"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/2020\/03\/22\/a2620-2mb\/","title":{"rendered":"A2620 2MB"},"content":{"rendered":"<p><strong>A2620 2MB<\/strong><\/p>\n<table class=\"basedata\">\n<tbody>\n<tr valign=\"top\">\n<td>\n<div class=\"th\">Company<\/div>\n<p>Commodore, USA<\/td>\n<td>\n<div class=\"th\">Date<\/div>\n<p>1988<\/td>\n<td nowrap=\"nowrap\">\n<div class=\"th\">Amiga<\/div>\n<p>A2000<\/td>\n<td nowrap=\"nowrap\">\n<div class=\"th\">Interface<\/div>\n<p>CPU slot<\/td>\n<td nowrap=\"nowrap\">\n<div class=\"th\">Autoconfig ID<\/div>\n<p>514 \/ 80<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"description\">\n<p><i>processor<\/i><\/p>\n<ul>\n<li>68020 @ 14 MHz, synchronous with the motherboard<\/li>\n<li>68851 memory management unit<\/li>\n<li>factory installed 68881 @ 14 MHz, supports FPUs up to 68882 @ 25 MHz<\/li>\n<li>can be upgraded to 68030 with the\u00a0<a href=\"http:\/\/amiga.resource.cx\/exp\/professionalpack\">Harms Professinal-Pack 030<\/a>\u00a0board<\/li>\n<\/ul>\n<p><i>memory<\/i><\/p>\n<ul>\n<li>2 or 4 MB 32 bit RAM<\/li>\n<li>16 or 32 256k\u00d74 page mode ZIPs 80-100 ns<\/li>\n<li>not expandable<\/li>\n<li>RAM can be disabled or autoconfigured by setting a jumper<\/li>\n<\/ul>\n<p><i>notes<\/i><\/p>\n<ul>\n<li>the first accelerator board for the A2000<\/li>\n<li>boot ROMs below rev 6 are incompatible with Kickstart 2.0 and above\n<ul>\n<li>the ROM address space overlaps the upper 256 kB of the 512 kB Kickstart ROMs (Kickstart 1.3 is 256 kB only)<\/li>\n<li>by the time AmigaOS loads, the boot ROMs are supposed to be off but due to a bug in the A26x0 ROM code they remain active, causing an address space collision<\/li>\n<li>fitting a rev 6 or 7 ROM pair solves the problem<\/li>\n<li>some boards are reported being incompatible with the newer ROMs either<\/li>\n<\/ul>\n<\/li>\n<li>in 68000 fallback mode the RAM is still available<\/li>\n<\/ul>\n<p>recapped with Rubycon brand 105\u00b0 type<\/p>\n<\/div>\n<p>ROMs:<br \/>\n<a href=\"http:\/\/A2620_A2630_ROM_v04.zip\">A2620_A2630_ROM_v04.zip<\/a><br \/>\n<a href=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2025\/01\/A2620_A2630_ROM_v07.zip\">A2620_A2630_ROM_v07.zip<\/a><\/p>\n<p><a href=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/2020\/03\/26\/amiga-2500\/\">installed in A2500<\/a><\/p>\n<div class=\"description\">\n\n\t\t<style type=\"text\/css\">\n\t\t\t#gallery-1 {\n\t\t\t\tmargin: auto;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-item {\n\t\t\t\tfloat: left;\n\t\t\t\tmargin-top: 10px;\n\t\t\t\ttext-align: center;\n\t\t\t\twidth: 33%;\n\t\t\t}\n\t\t\t#gallery-1 img {\n\t\t\t\tborder: 2px solid #cfcfcf;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-caption {\n\t\t\t\tmargin-left: 0;\n\t\t\t}\n\t\t\t\/* see gallery_shortcode() in wp-includes\/media.php *\/\n\t\t<\/style>\n\t\t<div data-carousel-extra='{\"blog_id\":1,\"permalink\":\"https:\\\/\\\/www.intexsound.de\\\/Commodore-Museum-Mannheim\\\/2020\\\/03\\\/22\\\/a2620-2mb\\\/\",\"likes_blog_id\":false}' id='gallery-1' class='gallery galleryid-2374 gallery-columns-3 gallery-size-thumbnail'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/2020\/03\/22\/a2620-2mb\/20220516_175340\/#main'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2020\/03\/20220516_175340-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" data-attachment-id=\"9757\" data-orig-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2020\/03\/20220516_175340-scaled.jpg\" data-orig-size=\"2560,1440\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.4&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;SM-G965F&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1652723620&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;6&quot;,&quot;iso&quot;:&quot;160&quot;,&quot;shutter_speed&quot;:&quot;0.03030303030303&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;,&quot;keywords&quot;:&quot;Array&quot;}\" data-image-title=\"20220516_175340\" data-image-description=\"\" data-medium-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2020\/03\/20220516_175340-300x169.jpg\" data-large-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2020\/03\/20220516_175340-1024x576.jpg\" \/><\/a>\n\t\t\t<\/dt><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/2020\/03\/22\/a2620-2mb\/20220516_175358\/#main'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2020\/03\/20220516_175358-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" data-attachment-id=\"9756\" data-orig-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2020\/03\/20220516_175358-scaled.jpg\" data-orig-size=\"2560,1440\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.4&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;SM-G965F&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1652723638&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;6&quot;,&quot;iso&quot;:&quot;200&quot;,&quot;shutter_speed&quot;:&quot;0.03030303030303&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;,&quot;keywords&quot;:&quot;Array&quot;}\" data-image-title=\"20220516_175358\" data-image-description=\"\" data-medium-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2020\/03\/20220516_175358-300x169.jpg\" data-large-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2020\/03\/20220516_175358-1024x576.jpg\" \/><\/a>\n\t\t\t<\/dt><\/dl>\n\t\t\t<br style='clear: both' \/>\n\t\t<\/div>\n\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>A2620 2MB Company Commodore, USA Date 1988 Amiga A2000 Interface CPU slot Autoconfig ID 514 \/ 80 processor 68020 @ 14 MHz, synchronous with the motherboard 68851 memory management unit factory installed 68881 @ 14 MHz, supports FPUs up to 68882 @ 25 MHz can be upgraded to 68030 with the\u00a0Harms Professinal-Pack 030\u00a0board memory 2 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":9757,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"cybocfi_hide_featured_image":"","footnotes":"","_links_to":"","_links_to_target":""},"categories":[54],"tags":[],"class_list":["post-2374","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-amiga-zorro-cards"],"_links":{"self":[{"href":"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/wp-json\/wp\/v2\/posts\/2374","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/wp-json\/wp\/v2\/comments?post=2374"}],"version-history":[{"count":0,"href":"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/wp-json\/wp\/v2\/posts\/2374\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/wp-json\/wp\/v2\/media\/9757"}],"wp:attachment":[{"href":"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/wp-json\/wp\/v2\/media?parent=2374"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/wp-json\/wp\/v2\/categories?post=2374"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/wp-json\/wp\/v2\/tags?post=2374"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}