{"id":16385,"date":"2026-06-01T17:00:49","date_gmt":"2026-06-02T00:00:49","guid":{"rendered":"https:\/\/mattfife.com\/?p=16385"},"modified":"2026-05-17T21:21:01","modified_gmt":"2026-05-18T04:21:01","slug":"apple-macintosh-portrait-displays","status":"publish","type":"post","link":"https:\/\/mattfife.com\/?p=16385","title":{"rendered":"Apple Macintosh Portrait Displays"},"content":{"rendered":"\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/XaPWi-ktwr0?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en-US&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">DB13W3\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jon Obst attempts to hook up a most unusual Apple Macintosh Portrait Display monitor to his Macintosh II si. But it&#8217;s not easy. The display uses a most unusual DB13W3 to Apple DB-15 connection. Not only that, but the display uses a non-standard <a href=\"https:\/\/lowendmac.com\/1989\/macintosh-portrait-display\/\" data-type=\"link\" data-id=\"https:\/\/lowendmac.com\/1989\/macintosh-portrait-display\/\">640 x 870 fixed resolution at 75hz<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">More info on the cable itself (which you&#8217;ll likely need to make yourself), <a href=\"https:\/\/mac84.net\/web\/repair-guides-documents\/apple-db-15-to-13w3-cable-pinout-for-macintosh-monitors-portrait-display-two-page-monochrome-display\/\" data-type=\"link\" data-id=\"https:\/\/mac84.net\/web\/repair-guides-documents\/apple-db-15-to-13w3-cable-pinout-for-macintosh-monitors-portrait-display-two-page-monochrome-display\/\">can be found here<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"308\" data-attachment-id=\"16386\" data-permalink=\"https:\/\/mattfife.com\/?attachment_id=16386\" data-orig-file=\"https:\/\/i0.wp.com\/mattfife.com\/wp-content\/themes\/mattTheme\/headerimgs\/2026\/05\/image-1.png?fit=866%2C417&amp;ssl=1\" data-orig-size=\"866,417\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"image\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/mattfife.com\/wp-content\/themes\/mattTheme\/headerimgs\/2026\/05\/image-1.png?fit=640%2C308&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/mattfife.com\/wp-content\/themes\/mattTheme\/headerimgs\/2026\/05\/image-1.png?resize=640%2C308&#038;ssl=1\" alt=\"\" class=\"wp-image-16386\" srcset=\"https:\/\/i0.wp.com\/mattfife.com\/wp-content\/themes\/mattTheme\/headerimgs\/2026\/05\/image-1.png?w=866&amp;ssl=1 866w, https:\/\/i0.wp.com\/mattfife.com\/wp-content\/themes\/mattTheme\/headerimgs\/2026\/05\/image-1.png?resize=561%2C270&amp;ssl=1 561w, https:\/\/i0.wp.com\/mattfife.com\/wp-content\/themes\/mattTheme\/headerimgs\/2026\/05\/image-1.png?resize=300%2C144&amp;ssl=1 300w, https:\/\/i0.wp.com\/mattfife.com\/wp-content\/themes\/mattTheme\/headerimgs\/2026\/05\/image-1.png?resize=768%2C370&amp;ssl=1 768w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>DB13W3\u00a0 Jon Obst attempts to hook up a most unusual Apple Macintosh Portrait Display monitor to his Macintosh II si. But it&#8217;s not easy. The display uses a most unusual DB13W3 to Apple DB-15 connection. Not only that, but the display uses a non-standard 640 x 870 fixed resolution at 75hz. More info on the cable itself (which you&#8217;ll likely need to make yourself), can be found here.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[9],"tags":[],"class_list":["post-16385","post","type-post","status-publish","format-standard","hentry","category-cool"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p4WECr-4gh","jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/mattfife.com\/index.php?rest_route=\/wp\/v2\/posts\/16385","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mattfife.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mattfife.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mattfife.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/mattfife.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=16385"}],"version-history":[{"count":1,"href":"https:\/\/mattfife.com\/index.php?rest_route=\/wp\/v2\/posts\/16385\/revisions"}],"predecessor-version":[{"id":16387,"href":"https:\/\/mattfife.com\/index.php?rest_route=\/wp\/v2\/posts\/16385\/revisions\/16387"}],"wp:attachment":[{"href":"https:\/\/mattfife.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=16385"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mattfife.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=16385"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mattfife.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=16385"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}