{"id":21387,"date":"2025-06-20T11:15:12","date_gmt":"2025-06-20T15:15:12","guid":{"rendered":"https:\/\/carleton.ca\/scs\/?page_id=21387"},"modified":"2025-06-23T13:55:10","modified_gmt":"2025-06-23T17:55:10","slug":"vin58","status":"publish","type":"page","link":"https:\/\/carleton.ca\/scs\/vintage-computing\/item\/vin58\/","title":{"rendered":"Apple PowerBook Duo"},"content":{"rendered":"<h2>Apple PowerBook Duo<\/h2>\n<p>[Vin58]<\/p>\n<p>The Apple PowerBook Duo, produced from 1992 to 1997, was notable for its ultra-compact, lightweight design and its innovative docking system, which allowed users to transform the subnotebook into a full-featured desktop by connecting it to a Duo Dock. Its claim to fame was pioneering the concept of a highly portable laptop that could serve as both a travel companion and, when docked, a powerful desktop workstation\u2014an idea that foreshadowed later ultraportable laptops like the MacBook Air. While the PowerBook Duo was important in computing history for its bold approach to portability and expandability, it was not a major commercial success and saw limited popularity.<a href=\"https:\/\/carleton.ca\/scs\/wp-content\/uploads\/PXL_20250623_174636548-scaled.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"alignright size-large wp-image-21409\" src=\"https:\/\/carleton.ca\/scs\/wp-content\/uploads\/PXL_20250623_174636548-400x533.jpg\" alt=\"Apple Powerbook Duo\" width=\"400\" height=\"533\" srcset=\"https:\/\/carleton.ca\/scs\/wp-content\/uploads\/PXL_20250623_174636548-400x533.jpg 400w, https:\/\/carleton.ca\/scs\/wp-content\/uploads\/PXL_20250623_174636548-240x320.jpg 240w, https:\/\/carleton.ca\/scs\/wp-content\/uploads\/PXL_20250623_174636548-160x213.jpg 160w, https:\/\/carleton.ca\/scs\/wp-content\/uploads\/PXL_20250623_174636548-768x1023.jpg 768w, https:\/\/carleton.ca\/scs\/wp-content\/uploads\/PXL_20250623_174636548-1153x1536.jpg 1153w, https:\/\/carleton.ca\/scs\/wp-content\/uploads\/PXL_20250623_174636548-1538x2048.jpg 1538w, https:\/\/carleton.ca\/scs\/wp-content\/uploads\/PXL_20250623_174636548-360x479.jpg 360w, https:\/\/carleton.ca\/scs\/wp-content\/uploads\/PXL_20250623_174636548-scaled.jpg 1922w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<ul>\n<li><strong>Manufacturer<\/strong>: Apple Computer Inc.<\/li>\n<li><strong>Released<\/strong>: October 19, 1992<\/li>\n<li><strong>Type<\/strong>: Laptop<\/li>\n<li><strong>Cost at release<\/strong>: USD $2,250 (CAD ~$5,250 adjusted for inflation)<\/li>\n<li><strong>MIPS<\/strong>: 3.8<\/li>\n<\/ul>\n<h3><span class=\"NormalTextRun SCXW169789978 BCX0\">Hardware Specifications<\/span><\/h3>\n<ul>\n<li><strong>Processor<\/strong>: Motorola 68030, 25 MHz (with integrated PMMU; optional FPU in Dock)<\/li>\n<li><strong>RAM<\/strong>: 4 MB standard, expandable to 24 MB (one Duo RAM slot, 70 ns)<\/li>\n<li><strong>ROM<\/strong>: 1 MB<\/li>\n<li><strong>Storage<\/strong>: 80 MB internal SCSI hard drive minimum<\/li>\n<li><strong>Display<\/strong>: Built-in LCD, 9.1-inch, 640 x 400 resolution, 4-bit grayscale<\/li>\n<li><strong>Ports<\/strong>: Dock connector, modem slot, printer port (no built-in ADB, SCSI, or floppy ports\u2014these required a dock or adapter)<\/li>\n<li><strong>Battery<\/strong>: Nickel-Metal Hydride (NiMH) Type I<\/li>\n<li><strong>Weight<\/strong>: 4.2 lbs (1.9 kg)<\/li>\n<\/ul>\n<h3><span class=\"TextRun SCXW50331614 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW50331614 BCX0\">Operating System &amp; Programming Languages<\/span><\/span><span class=\"EOP SCXW50331614 BCX0\" data-ccp-props=\"{&quot;335559685&quot;:0}\">\u00a0<\/span><\/h3>\n<ul>\n<li><strong>O\/S<\/strong>: Shipped with System 7.1, supported up to Mac OS 7.6.1<\/li>\n<li><strong>Programming Languages<\/strong>:\n<ul>\n<li>C and C++ (using Macintosh Programmer&#8217;s Workshop or CodeWarrior)<\/li>\n<li>Pascal (Apple&#8217;s early preferred language for Mac development)<\/li>\n<li>HyperTalk (via HyperCard)<\/li>\n<li>AppleScript<\/li>\n<li>Perl (via MacPerl)<\/li>\n<li>Python 1.x (basic support)<\/li>\n<li>BASIC variants<\/li>\n<li>Real Basic (for later System 7 versions)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><\/p>\n<h3>Notables<\/h3>\n<ul>\n<li>The PowerBook Duo was the first Apple laptop designed specifically for use with a docking station, allowing it to transform from an ultraportable notebook into a full-featured desktop by sliding into the Duo Dock\u2014often described as resembling a front-loading VCR.<\/li>\n<li>Its codename during development was &#8220;Cinnamon&#8221;.<\/li>\n<li>The Duo&#8217;s radical design ditched the internal floppy drive and most ports, making it the lightest and smallest PowerBook of its era, weighing just 4.2 pounds (1.9 kg) and measuring only 1.4 inches thick &#8211; 38% thinner and lighter than the PowerBook 100 series.<\/li>\n<li>It featured a unique two-tone finish and unusual cylindrical feet, making it one of Apple&#8217;s most visually distinctive computers.<\/li>\n<li>Despite its innovation, the Duo was a niche product and rarely seen in the wild, even among Mac enthusiasts.<\/li>\n<li>The PowerBook Duo appeared in pop culture, including TV shows like &#8220;NewsRadio&#8221; and &#8220;Seinfeld,&#8221; and films such as &#8220;The Net&#8221; and &#8220;Hackers&#8221;.<\/li>\n<li>Apple\u2019s &#8220;What&#8217;s On Your PowerBook?&#8221; ad campaign (1993\u20131996) promoted the PowerBook line\u2019s versatility, including the Duo, by showcasing how people from all walks of life could use it.<\/li>\n<li>The PowerBook Duo line is considered a forerunner to the MacBook Air, prioritizing extreme portability and minimalist design, and it holds a unique place in Apple\u2019s history as a bold, if commercially limited, experiment in modular computing<\/li>\n<\/ul>\n<p><\/p>\n<p><strong>Donated by<\/strong>: Arlen Michaels<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Apple PowerBook Duo [Vin58] The Apple PowerBook Duo, produced from 1992 to 1997, was notable for its ultra-compact, lightweight design and its innovative docking system, which allowed users to transform the subnotebook into a full-featured desktop by connecting it to a Duo Dock. Its claim to fame was pioneering the concept of a highly portable [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"parent":19704,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","_mi_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":"","_links_to":"","_links_to_target":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Apple PowerBook Duo - School of Computer Science<\/title>\n<meta name=\"description\" content=\"Apple PowerBook Duo The Apple PowerBook Duo, produced from 1992 to 1997, was notable for its ultra-compact, lightweight design and its innovative docking\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/carleton.ca\/scs\/vintage-computing\/item\/vin58\/\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/carleton.ca\/scs\/vintage-computing\/item\/vin58\/\",\"url\":\"https:\/\/carleton.ca\/scs\/vintage-computing\/item\/vin58\/\",\"name\":\"Apple PowerBook Duo - 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