{"id":8623,"date":"2021-12-21T14:43:03","date_gmt":"2021-12-21T14:43:03","guid":{"rendered":"http:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/?p=8623"},"modified":"2021-12-21T14:45:03","modified_gmt":"2021-12-21T14:45:03","slug":"sfd-1001-4","status":"publish","type":"post","link":"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/2021\/12\/21\/sfd-1001-4\/","title":{"rendered":"SFD-1001 [#4]"},"content":{"rendered":"<p><strong>SFD-1001<\/strong><\/p>\n<p>Serial: GA4 005773<\/p>\n<p>The SFD 1001 is a single-drive, low profile version of the better known 8250 IEEE-488 disk drive capable of storing 1MB per floppy disk, powered by CBM DOS 2.7<\/p>\n<ul>\n<li>total capacity: 1.066.496 bytes per disk (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\u2033 DS-QD, 100TPI<\/li>\n<\/ul>\n<p>work performed:<\/p>\n<ul>\n<li>completely disassembled and cleaned<\/li>\n<li>motor PCB recapped, damaged traces fixed<\/li>\n<li>floppy mechanics cleaned and lubed<\/li>\n<li>r\/w heads cleaned<\/li>\n<\/ul>\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\\\/21\\\/sfd-1001-4\\\/\",\"likes_blog_id\":false}' id='gallery-1' class='gallery galleryid-8623 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\/21\/sfd-1001-4\/r-6\/#main'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/r-1-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" data-attachment-id=\"8630\" data-orig-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/r-1-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;1640100186&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=\"r\" data-image-description=\"\" data-medium-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/r-1-300x169.jpg\" data-large-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/r-1-1024x576.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\/21\/sfd-1001-4\/t-6\/#main'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/t-3-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" data-attachment-id=\"8631\" data-orig-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/t-3-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;1640100165&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=\"t\" data-image-description=\"\" data-medium-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/t-3-300x169.jpg\" data-large-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/t-3-1024x576.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\/21\/sfd-1001-4\/u-5\/#main'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/u-2-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" data-attachment-id=\"8632\" data-orig-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/u-2-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;1640100229&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;6&quot;,&quot;iso&quot;:&quot;125&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=\"u\" data-image-description=\"\" data-medium-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/u-2-300x169.jpg\" data-large-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/u-2-1024x576.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\/21\/sfd-1001-4\/c-48\/#main'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/c-8-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" data-attachment-id=\"8627\" data-orig-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/c-8-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;1640100579&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=\"c\" data-image-description=\"\" data-medium-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/c-8-300x169.jpg\" data-large-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/c-8-1024x576.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\/21\/sfd-1001-4\/o-10\/#main'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/o-2-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" data-attachment-id=\"8628\" data-orig-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/o-2-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;1640100287&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=\"o\" data-image-description=\"\" data-medium-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/o-2-300x169.jpg\" data-large-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/o-2-1024x576.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\/21\/sfd-1001-4\/b-49\/#main'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/b-7-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" data-attachment-id=\"8626\" data-orig-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/b-7-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;1640100320&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;6&quot;,&quot;iso&quot;:&quot;200&quot;,&quot;shutter_speed&quot;:&quot;0.04&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;,&quot;keywords&quot;:&quot;Array&quot;}\" data-image-title=\"b\" data-image-description=\"\" data-medium-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/b-7-300x169.jpg\" data-large-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/b-7-1024x576.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\/21\/sfd-1001-4\/a-51\/#main'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/a-8-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" data-attachment-id=\"8625\" data-orig-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/a-8-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;1640100340&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;6&quot;,&quot;iso&quot;:&quot;200&quot;,&quot;shutter_speed&quot;:&quot;0.04&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;,&quot;keywords&quot;:&quot;Array&quot;}\" data-image-title=\"a\" data-image-description=\"\" data-medium-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/a-8-300x169.jpg\" data-large-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/a-8-1024x576.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\/21\/sfd-1001-4\/q-7\/#main'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/q-1-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" data-attachment-id=\"8629\" data-orig-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/q-1-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;1626199885&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;6&quot;,&quot;iso&quot;:&quot;250&quot;,&quot;shutter_speed&quot;:&quot;0.058823529411765&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;,&quot;keywords&quot;:&quot;Array&quot;}\" data-image-title=\"q\" data-image-description=\"\" data-medium-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/q-1-300x169.jpg\" data-large-file=\"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/hegatad\/uploads\/2021\/12\/q-1-1024x576.jpg\" \/><\/a>\n\t\t\t<\/dt><\/dl>\n\t\t\t<br style='clear: both' \/>\n\t\t<\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>SFD-1001 Serial: GA4 005773 The SFD 1001 is a single-drive, low profile version of the better known 8250 IEEE-488 disk drive capable of storing 1MB per floppy disk, powered by CBM DOS 2.7 total capacity: 1.066.496 bytes per disk (4133 blocks) coding: GCR format: 154 tracks (77 per side) 23-29 sectors per track 256 bytes [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8630,"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-8623","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\/8623","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=8623"}],"version-history":[{"count":0,"href":"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/wp-json\/wp\/v2\/posts\/8623\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/wp-json\/wp\/v2\/media\/8630"}],"wp:attachment":[{"href":"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/wp-json\/wp\/v2\/media?parent=8623"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/wp-json\/wp\/v2\/categories?post=8623"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/wp-json\/wp\/v2\/tags?post=8623"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}