{"id":8342,"date":"2021-12-17T16:53:23","date_gmt":"2021-12-17T16:53:23","guid":{"rendered":"http:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/?p=8342"},"modified":"2021-12-20T17:36:34","modified_gmt":"2021-12-20T17:36:34","slug":"8250-lp","status":"publish","type":"post","link":"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/2021\/12\/17\/8250-lp\/","title":{"rendered":"8250 LP [#1]"},"content":{"rendered":"<p><strong>8250 LP<\/strong><\/p>\n<p>Serial: WG 0976<\/p>\n<p>A Dual disk drive that was sold as a companion to the 80xx-SK range of computers. The LP stands for Low Profile, as the machine is considerably less tall than the 8250.<\/p>\n<ul>\n<li>total capacity: 1.066.496 bytes per drive (4133 blocks)<\/li>\n<li>coding: GCR<\/li>\n<li>format:\n<ul>\n<li>154 tracks (77 per side)<\/li>\n<li>23-29 sectors per track<\/li>\n<li>256 bytes per sector<\/li>\n<\/ul>\n<\/li>\n<li>DOS: 2.7<\/li>\n<li>ROM: 16Kb DOS, 2Kb GCR, 2Kb FDC-ROM<\/li>\n<li>interface: IEEE 488<\/li>\n<li>2x 6502: CPU<\/li>\n<li>2x 6532: RIOT<\/li>\n<li>1x 6522: VIA<\/li>\n<li>1x 6530: MOS 901885-04: RAM, ROM, I\/O, Timer RRIOT<\/li>\n<li>8x 2114: 4kb RAM<\/li>\n<li>disks used: standard 5,25&#8243; DS-QD, 100TPI<\/li>\n<\/ul>\n<p>work performed:<\/p>\n<ul>\n<li>both motor PCBs recapped and damage from leaked caps repaired<\/li>\n<li>floppy mechanics cleaned and lubed<\/li>\n<li>r\/w heads cleaned<\/li>\n<li>main digital PCB and drive control PCB replaced<\/li>\n<li>D1 closing lever mechanism replaced<\/li>\n<li>top case retro-brighted<\/li>\n<li>label replaced with another original one<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\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\\\/2021\\\/12\\\/17\\\/8250-lp\\\/\",\"likes_blog_id\":false}' id='gallery-1' class='gallery galleryid-8342 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\/2021\/12\/17\/8250-lp\/c1\/#main'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/C1-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" data-attachment-id=\"8358\" data-orig-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/C1-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;1639761795&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=\"C1\" data-image-description=\"\" data-medium-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/C1-300x169.jpg\" data-large-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/C1-1024x576.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\/2021\/12\/17\/8250-lp\/a1\/#main'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/A1-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" data-attachment-id=\"8356\" data-orig-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/A1-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;1639761700&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=\"A1\" data-image-description=\"\" data-medium-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/A1-300x169.jpg\" data-large-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/A1-1024x576.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\/2021\/12\/17\/8250-lp\/b1\/#main'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/B1-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" data-attachment-id=\"8357\" data-orig-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/B1-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;1639761750&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;6&quot;,&quot;iso&quot;:&quot;100&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=\"B1\" data-image-description=\"\" data-medium-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/B1-300x169.jpg\" data-large-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/B1-1024x576.jpg\" \/><\/a>\n\t\t\t<\/dt><\/dl><br style=\"clear: both\" \/><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\/2021\/12\/17\/8250-lp\/d1\/#main'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/D1-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" data-attachment-id=\"8359\" data-orig-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/D1-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;1639761827&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;6&quot;,&quot;iso&quot;:&quot;100&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=\"D1\" data-image-description=\"\" data-medium-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/D1-300x169.jpg\" data-large-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/D1-1024x576.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\/2021\/12\/17\/8250-lp\/e1\/#main'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/E1-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" data-attachment-id=\"8355\" data-orig-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/E1-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;1639761848&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;6&quot;,&quot;iso&quot;:&quot;100&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=\"\u00ca1\" data-image-description=\"\" data-medium-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/E1-300x169.jpg\" data-large-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/E1-1024x576.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\/2021\/12\/17\/8250-lp\/f-31\/#main'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/F-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" data-attachment-id=\"8348\" data-orig-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/F-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;1639761915&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.3&quot;,&quot;iso&quot;:&quot;200&quot;,&quot;shutter_speed&quot;:&quot;0.02&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;,&quot;keywords&quot;:&quot;Array&quot;}\" data-image-title=\"F\" data-image-description=\"\" data-medium-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/F-300x169.jpg\" data-large-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/F-1024x576.jpg\" \/><\/a>\n\t\t\t<\/dt><\/dl><br style=\"clear: both\" \/><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\/2021\/12\/17\/8250-lp\/g-29\/#main'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/G-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" data-attachment-id=\"8349\" data-orig-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/G-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;1639762057&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.3&quot;,&quot;iso&quot;:&quot;200&quot;,&quot;shutter_speed&quot;:&quot;0.02&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;,&quot;keywords&quot;:&quot;Array&quot;}\" data-image-title=\"G\" data-image-description=\"\" data-medium-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/G-300x169.jpg\" data-large-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/G-1024x576.jpg\" \/><\/a>\n\t\t\t<\/dt><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/2021\/12\/17\/8250-lp\/i-20\/#main'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/I-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" data-attachment-id=\"8351\" data-orig-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/I.jpg\" data-orig-size=\"2127,2250\" 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;1639086533&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.3&quot;,&quot;iso&quot;:&quot;160&quot;,&quot;shutter_speed&quot;:&quot;0.02&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;,&quot;keywords&quot;:&quot;Array&quot;}\" data-image-title=\"I\" data-image-description=\"\" data-medium-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/I-284x300.jpg\" data-large-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/I-968x1024.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\/2021\/12\/17\/8250-lp\/h-26\/#main'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/H-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" data-attachment-id=\"8350\" data-orig-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/H-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;1639598248&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.3&quot;,&quot;iso&quot;:&quot;64&quot;,&quot;shutter_speed&quot;:&quot;0.01&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;,&quot;keywords&quot;:&quot;Array&quot;}\" data-image-title=\"H\" data-image-description=\"\" data-medium-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/H-300x169.jpg\" data-large-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/H-1024x576.jpg\" \/><\/a>\n\t\t\t<\/dt><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>8250 LP Serial: WG 0976 A Dual disk drive that was sold as a companion to the 80xx-SK range of computers. The LP stands for Low Profile, as the machine is considerably less tall than the 8250. total capacity: 1.066.496 bytes per drive (4133 blocks) coding: GCR format: 154 tracks (77 per side) 23-29 sectors [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8358,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"cybocfi_hide_featured_image":"","footnotes":"","_links_to":"","_links_to_target":""},"categories":[36],"tags":[],"class_list":["post-8342","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-floppy-ieee-488"],"_links":{"self":[{"href":"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/wp-json\/wp\/v2\/posts\/8342","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=8342"}],"version-history":[{"count":0,"href":"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/wp-json\/wp\/v2\/posts\/8342\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/wp-json\/wp\/v2\/media\/8358"}],"wp:attachment":[{"href":"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/wp-json\/wp\/v2\/media?parent=8342"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/wp-json\/wp\/v2\/categories?post=8342"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/wp-json\/wp\/v2\/tags?post=8342"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}