{"id":20452,"date":"2025-01-22T14:27:19","date_gmt":"2025-01-22T19:27:19","guid":{"rendered":"https:\/\/carleton.ca\/scs\/?page_id=20452"},"modified":"2026-06-22T15:04:53","modified_gmt":"2026-06-22T19:04:53","slug":"vin48","status":"publish","type":"page","link":"https:\/\/carleton.ca\/scs\/vintage-computing\/item\/vin48\/","title":{"rendered":"Zenith ZCF-2325-EY"},"content":{"rendered":"\n<section class=\"w-screen px-6 cu-section cu-section--white ml-offset-center md:px-8 lg:px-14\">\n    <div class=\"space-y-6 cu-max-w-child-5xl  md:space-y-10 cu-prose-first-last\">\n\n            <div class=\"cu-textmedia flex flex-col lg:flex-row mx-auto gap-6 md:gap-10 my-6 md:my-12 first:mt-0 max-w-5xl\">\n        <div class=\"justify-start cu-textmedia-content cu-prose-first-last\" style=\"flex: 0 0 100%;\">\n            <header class=\"font-light prose-xl cu-pageheader md:prose-2xl cu-component-updated cu-prose-first-last\">\n                                    <h1 class=\"cu-prose-first-last font-semibold !mt-2 mb-4 md:mb-6 relative after:absolute after:h-px after:bottom-0 after:bg-cu-red after:left-px text-3xl md:text-4xl lg:text-5xl lg:leading-[3.5rem] pb-5 after:w-10 text-cu-black-700 not-prose\">\n                        Zenith ZCF-2325-EY\n                    <\/h1>\n                \n                                \n                            <\/header>\n\n                    <\/div>\n\n            <\/div>\n\n    <\/div>\n<\/section>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-fill\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/carleton.ca\/scs\/vintage-computing\/item\">Vintage Computing Collection<\/a><\/div>\n<\/div>\n\n\n\n<h2 id=\"zenith-zcf-2325-ey\" class=\"wp-block-heading\">Zenith ZCF-2325-EY<\/h2>\n\n\n\n<p>[vin48]<\/p>\n\n\n\n<figure class=\"wp-block-image alignright\"><a href=\"https:\/\/carleton.ca\/scs\/wp-content\/uploads\/sites\/260\/B_Logo_V-RGBRedBlackonLight150_130821.png\"><img loading=\"lazy\" decoding=\"async\" width=\"160\" height=\"142\" src=\"https:\/\/carleton.ca\/scs\/wp-content\/uploads\/sites\/260\/B_Logo_V-RGBRedBlackonLight150_130821-160x142.png\" alt=\"Carleton U Logo\" class=\"wp-image-20435\" srcset=\"https:\/\/carleton.ca\/scs\/wp-content\/uploads\/sites\/260\/B_Logo_V-RGBRedBlackonLight150_130821-160x142.png 160w, https:\/\/carleton.ca\/scs\/wp-content\/uploads\/sites\/260\/B_Logo_V-RGBRedBlackonLight150_130821-240x213.png 240w, https:\/\/carleton.ca\/scs\/wp-content\/uploads\/sites\/260\/B_Logo_V-RGBRedBlackonLight150_130821-768x682.png 768w, https:\/\/carleton.ca\/scs\/wp-content\/uploads\/sites\/260\/B_Logo_V-RGBRedBlackonLight150_130821-400x355.png 400w, https:\/\/carleton.ca\/scs\/wp-content\/uploads\/sites\/260\/B_Logo_V-RGBRedBlackonLight150_130821-1536x1363.png 1536w, https:\/\/carleton.ca\/scs\/wp-content\/uploads\/sites\/260\/B_Logo_V-RGBRedBlackonLight150_130821-2048x1818.png 2048w, https:\/\/carleton.ca\/scs\/wp-content\/uploads\/sites\/260\/B_Logo_V-RGBRedBlackonLight150_130821-360x320.png 360w\" sizes=\"auto, (max-width: 160px) 100vw, 160px\" \/><\/a><\/figure>\n\n\n\n<p>The Zenith ZCF-2325-EY was a vintage computer notable for its use of the Intel 80286 processor, likely running at 12\u201316 MHz, paired with around 1 MB of RAM and a 3.5&#8243; floppy drive, making it a powerful and advanced system for its time in the mid-to-late 1980s. Its claim to fame was delivering robust business computing capabilities-such as EGA\/VGA graphics, multiple serial and parallel ports, and compatibility with Zenith\u2019s proprietary DOS (ZDOS)-in a reliable desktop form factor, which made it popular in institutional and government settings rather than in homes. The Zenith ZCF-2325-EY computer was used at Carleton Universities library.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Manufacturer<\/strong>: Zenith Data Systems Corporation<\/li>\n\n\n\n<li><strong>Type<\/strong>: Desktop computer<\/li>\n\n\n\n<li><strong>Release Date<\/strong>: 1986<\/li>\n\n\n\n<li><strong>Cost at release<\/strong>: ~$10,000 (adjusted for inflation)<\/li>\n\n\n\n<li><strong>MIPS<\/strong>: 1.28\u20132.66<\/li>\n<\/ul>\n\n\n\n<h3 id=\"hardware-specifications\" class=\"wp-block-heading\">Hardware Specifications<figure><a href=\"https:\/\/carleton.ca\/scs\/wp-content\/uploads\/sites\/260\/PXL_20250122_190849631-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-20453 alignright\" src=\"https:\/\/carleton.ca\/scs\/wp-content\/uploads\/sites\/260\/PXL_20250122_190849631-400x300.jpg\" alt=\"Zenith ZCF-2325-EY\" width=\"400\" height=\"300\" srcset=\"https:\/\/carleton.ca\/scs\/wp-content\/uploads\/sites\/260\/PXL_20250122_190849631-400x300.jpg 400w, https:\/\/carleton.ca\/scs\/wp-content\/uploads\/sites\/260\/PXL_20250122_190849631-160x120.jpg 160w, https:\/\/carleton.ca\/scs\/wp-content\/uploads\/sites\/260\/PXL_20250122_190849631-240x180.jpg 240w, https:\/\/carleton.ca\/scs\/wp-content\/uploads\/sites\/260\/PXL_20250122_190849631-768x577.jpg 768w, https:\/\/carleton.ca\/scs\/wp-content\/uploads\/sites\/260\/PXL_20250122_190849631-1536x1153.jpg 1536w, https:\/\/carleton.ca\/scs\/wp-content\/uploads\/sites\/260\/PXL_20250122_190849631-2048x1538.jpg 2048w, https:\/\/carleton.ca\/scs\/wp-content\/uploads\/sites\/260\/PXL_20250122_190849631-800x600.jpg 800w, https:\/\/carleton.ca\/scs\/wp-content\/uploads\/sites\/260\/PXL_20250122_190849631-360x270.jpg 360w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><\/figure><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>CPU<\/strong>: Intel 80286 CPU, likely running at 16 MHz.<\/li>\n\n\n\n<li><strong>Memory<\/strong>: Approximately 1 MB of RAM, with the ability to address up to 768 KB using Zenith\u2019s proprietary DOS (ZDOS).<\/li>\n\n\n\n<li><strong>Storage<\/strong>: 3.5\u2033 floppy drive.<\/li>\n\n\n\n<li><strong>Display<\/strong>: CRT graphics (specific resolution not detailed, but typical for the era would be EGA or CGA).<\/li>\n<\/ul>\n\n\n\n<h3 id=\"operating-system-programming-languages\" class=\"wp-block-heading\"><span class=\"TextRun SCXW136206418 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW136206418 BCX0\">Operating System &amp; Programming Languages<\/span><\/span><span class=\"EOP SCXW136206418 BCX0\" data-ccp-props=\"{&quot;335559685&quot;:0}\">&nbsp;<\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p class=\"my-0\"><strong>Operating System<\/strong>: The Zenith ZCF-2325-EY ran Zenith Data Systems\u2019 version of MS-DOS, called ZDOS, which was a proprietary adaptation of MS-DOS for Zenith hardware<\/p><\/li>\n\n\n\n<li><strong>Supported Languages<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Microsoft BASIC, FORTRAN-86, COBOL-86, Pascal, BASCOM-86 (Z-BASIC for ZDOS)<\/li>\n\n\n\n<li>Assembly language (with available assemblers and editors for ZDOS environments)<\/li>\n\n\n\n<li>Additional languages, such as UCSD Pascal, were also available for similar Zenith\/Heath systems running CP\/M, and likely could be run on ZDOS with the appropriate interpreter or compiler.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h3 id=\"notables\" class=\"wp-block-heading\">Notables<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Great example of squeezing as much life out of old expensive hardware as possible. Carleton&#8217;s library staff literally taped the floppy drive bay in place to make it usable.<\/li>\n\n\n\n<li>The Zenith ZCF-2325-EY featured an Intel 80286 CPU and was released around 1984, making it one of the early 16-bit business desktop computers.<\/li>\n\n\n\n<li>It ran Zenith\u2019s proprietary version of MS-DOS, called ZDOS, and could address up to 768 KB of RAM-an advanced feature for its time.<\/li>\n\n\n\n<li>The system used a 3.5&#8243; floppy drive, which was still relatively new compared to the more common 5.25&#8243; format in the early 1980s.<\/li>\n\n\n\n<li>Its place in history is as a representative of the transition from 8-bit to 16-bit personal computing, helping to set standards for business and educational computing platforms in the mid-1980s<\/li>\n<\/ul>\n\n\n\n<p><strong>Donated by<\/strong>: Carleton University Library<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/carleton.ca\/scs\/wp-content\/uploads\/sites\/260\/B_Logo_V-RGBRedBlackonLight150_130821.png\"><img loading=\"lazy\" decoding=\"async\" width=\"160\" height=\"142\" src=\"https:\/\/carleton.ca\/scs\/wp-content\/uploads\/sites\/260\/B_Logo_V-RGBRedBlackonLight150_130821-160x142.png\" alt=\"Carleton U Logo\" class=\"wp-image-20435\" srcset=\"https:\/\/carleton.ca\/scs\/wp-content\/uploads\/sites\/260\/B_Logo_V-RGBRedBlackonLight150_130821-160x142.png 160w, https:\/\/carleton.ca\/scs\/wp-content\/uploads\/sites\/260\/B_Logo_V-RGBRedBlackonLight150_130821-240x213.png 240w, https:\/\/carleton.ca\/scs\/wp-content\/uploads\/sites\/260\/B_Logo_V-RGBRedBlackonLight150_130821-768x682.png 768w, https:\/\/carleton.ca\/scs\/wp-content\/uploads\/sites\/260\/B_Logo_V-RGBRedBlackonLight150_130821-400x355.png 400w, https:\/\/carleton.ca\/scs\/wp-content\/uploads\/sites\/260\/B_Logo_V-RGBRedBlackonLight150_130821-1536x1363.png 1536w, https:\/\/carleton.ca\/scs\/wp-content\/uploads\/sites\/260\/B_Logo_V-RGBRedBlackonLight150_130821-2048x1818.png 2048w, https:\/\/carleton.ca\/scs\/wp-content\/uploads\/sites\/260\/B_Logo_V-RGBRedBlackonLight150_130821-360x320.png 360w\" sizes=\"auto, (max-width: 160px) 100vw, 160px\" \/><\/a><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-fill\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/carleton.ca\/scs\/vintage-computing\/item\">Vintage Computing Collection<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Zenith ZCF-2325-EY [vin48] The Zenith ZCF-2325-EY was a vintage computer notable for its use of the Intel 80286 processor, likely running at 12\u201316 MHz, paired with around 1 MB of RAM and a 3.5&#8243; floppy drive, making it a powerful and advanced system for its time in the mid-to-late 1980s. Its claim to fame was [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":19704,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_cu_dining_location_slug":"","footnotes":"","_links_to":"","_links_to_target":""},"cu_page_type":[90,123],"class_list":["post-20452","page","type-page","status-publish","hentry","cu_page_type-vintage-computing","cu_page_type-vintage-inventory"],"acf":{"cu_post_thumbnail":""},"_links":{"self":[{"href":"https:\/\/carleton.ca\/scs\/wp-json\/wp\/v2\/pages\/20452","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/carleton.ca\/scs\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/carleton.ca\/scs\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/carleton.ca\/scs\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/carleton.ca\/scs\/wp-json\/wp\/v2\/comments?post=20452"}],"version-history":[{"count":5,"href":"https:\/\/carleton.ca\/scs\/wp-json\/wp\/v2\/pages\/20452\/revisions"}],"predecessor-version":[{"id":25167,"href":"https:\/\/carleton.ca\/scs\/wp-json\/wp\/v2\/pages\/20452\/revisions\/25167"}],"up":[{"embeddable":true,"href":"https:\/\/carleton.ca\/scs\/wp-json\/wp\/v2\/pages\/19704"}],"wp:attachment":[{"href":"https:\/\/carleton.ca\/scs\/wp-json\/wp\/v2\/media?parent=20452"}],"wp:term":[{"taxonomy":"cu_page_type","embeddable":true,"href":"https:\/\/carleton.ca\/scs\/wp-json\/wp\/v2\/cu_page_type?post=20452"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}