{"id":36,"date":"2025-02-07T22:28:30","date_gmt":"2025-02-07T22:28:30","guid":{"rendered":"https:\/\/www.vintagevibe.co.nzwww.vintagevibe.co.nz192.168.1.164\/?p=36"},"modified":"2025-07-28T07:00:04","modified_gmt":"2025-07-28T07:00:04","slug":"kim-1-replica","status":"publish","type":"post","link":"https:\/\/www.vintagevibe.co.nz\/?p=36","title":{"rendered":"KIM 1 Replica"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; admin_label=&#8221;section&#8221; _builder_version=&#8221;3.22&#8243; custom_padding=&#8221;0px||0px|||&#8221;][et_pb_row admin_label=&#8221;Row&#8221; _builder_version=&#8221;4.5.3&#8243; _module_preset=&#8221;default&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.5.3&#8243; _module_preset=&#8221;default&#8221;][et_pb_text content_tablet=&#8221;&#8221; content_phone=&#8221;<\/p>\n<p>KIM-1 that is closer to the original KIM-1 than any KIM-1 replica designed. A great achievement and a well deserved compliment to Ralf and the thread authors!<br \/> The work of Ralf is not limited to the KIM-1 replica itself. He also designed a KIM I\/O module and a 1541 IEC\/RAM\/ROM module.<br \/> Noteworthy is the replica of the KIM-1 keypad.<\/p>\n<p style=%22text-align: justify;%22>The MOS Technology KIM-1, released in 1976, is a legendary single-board computer that played a pivotal role in the early days of microcomputing. It was designed as a development system for the 6502 microprocessor and became a favorite among hobbyists and engineers. Today, the KIM-1 is a cherished piece of computing history, and building a modern replacement from an electronic standpoint is a fascinating project for retro-computing enthusiasts. In this blog, we\u2019ll explore the key steps and considerations for creating a KIM-1 replacement.<\/p>\n<p style=%22text-align: justify;%22>Building a MOS Technology KIM-1 replacement is a fantastic way to explore the roots of microcomputing while honing your electronics skills. By combining vintage design principles with modern components, you can create a functional and educational homage to one of the most iconic computers of the 1970s. Whether you\u2019re a retro-computing enthusiast or an electronics hobbyist, this project offers a perfect blend of history, engineering, and creativity.<\/p>\n<p style=%22text-align: justify;%22><strong>The KIM-1 featured:<\/strong><\/p>\n<ul>\n<li>A MOS 6502 microprocessor running at 1 MHz.<\/li>\n<li>1 KB of RAM (expandable to 2 KB).<\/li>\n<li>2 KB of ROM containing the monitor program (TIM).<\/li>\n<li>A hex keypad and 7-segment LED display for input and output<\/li>\n<li>Serial I\/O for communication with a terminal or other devices<\/li>\n<li>Expansion connectors for adding peripherals or memory.<\/li>\n<\/ul>\n<p>&#8221; content_last_edited=&#8221;on|phone&#8221; _builder_version=&#8221;4.5.3&#8243; _module_preset=&#8221;default&#8221;]<\/p>\n<p>KIM-1 that is closer to the original KIM-1 than any KIM-1 replica designed. A great achievement and a well deserved compliment to Ralf and the thread authors!<br \/> The work of Ralf is not limited to the KIM-1 replica itself. He also designed a KIM I\/O module and a 1541 IEC\/RAM\/ROM module.<br \/> Noteworthy is the replica of the KIM-1 keypad.<\/p>\n<p>The MOS Technology KIM-1, released in 1976, is a legendary single-board computer that played a pivotal role in the early days of microcomputing. It was designed as a development system for the 6502 microprocessor and became a favorite among hobbyists and engineers. Today, the KIM-1 is a cherished piece of computing history, and building a modern replacement from an electronic standpoint is a fascinating project for retro-computing enthusiasts. In this blog, we\u2019ll explore the key steps and considerations for creating a KIM-1 replacement.<\/p>\n<p>Building a MOS Technology KIM-1 replacement is a fantastic way to explore the roots of microcomputing while honing your electronics skills. By combining vintage design principles with modern components, you can create a functional and educational homage to one of the most iconic computers of the 1970s. Whether you\u2019re a retro-computing enthusiast or an electronics hobbyist, this project offers a perfect blend of history, engineering, and creativity.<\/p>\n<p><strong>The KIM-1 featured:<\/strong><\/p>\n<ul>\n<li>A\u00a0MOS 6502 microprocessor\u00a0running at 1 MHz.<\/li>\n<li>1 KB of RAM\u00a0(expandable to 2 KB).<\/li>\n<li>2 KB of ROM\u00a0containing the monitor program (TIM).<\/li>\n<li>A\u00a0hex keypad\u00a0and\u00a07-segment LED display\u00a0for input and output.<\/li>\n<li>Serial I\/O for communication with a terminal or other devices<\/li>\n<li>Expansion connectors for adding peripherals or memory.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.5.3&#8243; _module_preset=&#8221;default&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.5.3&#8243; _module_preset=&#8221;default&#8221;][et_pb_image src=&#8221;https:\/\/www.vintagevibe.co.nz\/wp-content\/uploads\/2025\/04\/20230111_094434-scaled.jpg&#8221; title_text=&#8221;20230111_094434&#8243; _builder_version=&#8221;4.5.3&#8243; _module_preset=&#8221;default&#8221;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.5.3&#8243; _module_preset=&#8221;default&#8221;]<\/p>\n<p style=\"text-align: center;\">I first built a Rev 1 board before getting some Rev 2 board made.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.5.3&#8243; _module_preset=&#8221;default&#8221; custom_margin=&#8221;-5px|auto||auto||&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.5.3&#8243; _module_preset=&#8221;default&#8221;][et_pb_video src=&#8221;https:\/\/www.vintagevibe.co.nz\/wp-content\/uploads\/2025\/04\/Timer.mp4&#8243; _builder_version=&#8221;4.5.3&#8243; _module_preset=&#8221;default&#8221;][\/et_pb_video][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.5.3&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;||0px|||&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.5.3&#8243; _module_preset=&#8221;default&#8221;][et_pb_image src=&#8221;https:\/\/www.vintagevibe.co.nz\/wp-content\/uploads\/2025\/07\/kim1.jpg&#8221; title_text=&#8221;kim1&#8243; _builder_version=&#8221;4.5.3&#8243; _module_preset=&#8221;default&#8221;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.5.3&#8243; _module_preset=&#8221;default&#8221;]<\/p>\n<p style=\"text-align: center;\">Kim 1 setting next my version of the Micro-Kim and the Pocket265 a handheld 6502<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.5.3&#8243; _module_preset=&#8221;default&#8221;][et_pb_column _builder_version=&#8221;4.5.3&#8243; _module_preset=&#8221;default&#8221; type=&#8221;4_4&#8243;][et_pb_image src=&#8221;https:\/\/www.vintagevibe.co.nz\/wp-content\/uploads\/2025\/07\/kim1-basic.jpg&#8221; _builder_version=&#8221;4.5.3&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; title_text=&#8221;kim1-basic&#8221;][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.5.3&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;0px||5px|||&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.5.3&#8243; _module_preset=&#8221;default&#8221;][et_pb_text _builder_version=&#8221;4.5.3&#8243; _module_preset=&#8221;default&#8221;]<\/p>\n<p style=\"text-align: center;\">Kim 1 connected up to the IEC port of the C64 Disk drive. Now able to load programs from floppy disk<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.5.3&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;0px|||||&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.5.3&#8243; _module_preset=&#8221;default&#8221;][et_pb_image src=&#8221;https:\/\/www.vintagevibe.co.nz\/wp-content\/uploads\/2025\/04\/KIM1.jpg&#8221; title_text=&#8221;KIM1&#8243; _builder_version=&#8221;4.5.3&#8243; _module_preset=&#8221;default&#8221; admin_label=&#8221;Image&#8221;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.5.3&#8243; _module_preset=&#8221;default&#8221;]<\/p>\n<p style=\"text-align: center;\">Rev 2 PCB, Added a LED bezel over the LED display as it easy to see in a image<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.5.3&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;0px|||||&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.5.3&#8243; _module_preset=&#8221;default&#8221;][et_pb_image src=&#8221;https:\/\/www.vintagevibe.co.nz\/wp-content\/uploads\/2025\/04\/kim-uno1.jpg&#8221; title_text=&#8221;kim-uno(1)&#8221; _builder_version=&#8221;4.5.3&#8243; _module_preset=&#8221;default&#8221;][\/et_pb_image][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; admin_label=&#8221;section&#8221; _builder_version=&#8221;3.22&#8243; custom_padding=&#8221;0px||0px|||&#8221;][et_pb_row admin_label=&#8221;Row&#8221; _builder_version=&#8221;4.5.3&#8243; _module_preset=&#8221;default&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.5.3&#8243; _module_preset=&#8221;default&#8221;][et_pb_text content_tablet=&#8221;&#8221; content_phone=&#8221; KIM-1 that is closer to the original KIM-1 than any KIM-1 replica designed. A great achievement and a well deserved compliment to Ralf and the thread authors! The work of Ralf is not limited to the KIM-1 replica itself. He also designed [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":590,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"<!-- wp:paragraph -->\r\n<p>KIM-1 that is closer to the original KIM-1 than any KIM-1 replica designed. A great achievement and a well deserved compliment to Ralf and the thread authors!<\/p>\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n<p>The work of Ralf is not limited to the KIM-1 replica itself. He also designed a KIM I\/O module and a 1541 IEC\/RAM\/ROM module.<br>Noteworthy is the replica of the KIM-1 keypad.<\/p>\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n<p>The MOS Technology KIM-1, released in 1976, is a legendary single-board computer that played a pivotal role in the early days of microcomputing. It was designed as a development system for the 6502 microprocessor and became a favorite among hobbyists and engineers. Today, the KIM-1 is a cherished piece of computing history, and building a modern replacement from an electronic standpoint is a fascinating project for retro-computing enthusiasts. In this blog, we\u2019ll explore the key steps and considerations for creating a KIM-1 replacement.<\/p>\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n<p>Building a MOS Technology KIM-1 replacement is a fantastic way to explore the roots of microcomputing while honing your electronics skills. By combining vintage design principles with modern components, you can create a functional and educational homage to one of the most iconic computers of the 1970s. Whether you\u2019re a retro-computing enthusiast or an electronics hobbyist, this project offers a perfect blend of history, engineering, and creativity.<\/p>\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n<p>The KIM-1 featured:<\/p>\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:list -->\r\n<ul><!-- wp:list-item -->\r\n<li>A\u00a0<strong>MOS 6502 microprocessor<\/strong>\u00a0running at 1 MHz.<\/li>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- wp:list-item -->\r\n<li><strong>1 KB of RAM<\/strong>\u00a0(expandable to 2 KB).<\/li>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- wp:list-item -->\r\n<li><strong>2 KB of ROM<\/strong>\u00a0containing the monitor program (TIM).<\/li>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- wp:list-item -->\r\n<li>A\u00a0<strong>hex keypad<\/strong>\u00a0and\u00a0<strong>7-segment LED display<\/strong>\u00a0for input and output.<\/li>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- wp:list-item -->\r\n<li>Serial I\/O for communication with a terminal or other devices.<\/li>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- wp:list-item -->\r\n<li>Expansion connectors for adding peripherals or memory.<\/li>\r\n<!-- \/wp:list-item --><\/ul>\r\n<!-- \/wp:list -->","_et_gb_content_width":"","footnotes":""},"categories":[9],"tags":[],"class_list":["post-36","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-single-board-computers"],"_links":{"self":[{"href":"https:\/\/www.vintagevibe.co.nz\/index.php?rest_route=\/wp\/v2\/posts\/36","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vintagevibe.co.nz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vintagevibe.co.nz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vintagevibe.co.nz\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vintagevibe.co.nz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=36"}],"version-history":[{"count":15,"href":"https:\/\/www.vintagevibe.co.nz\/index.php?rest_route=\/wp\/v2\/posts\/36\/revisions"}],"predecessor-version":[{"id":1930,"href":"https:\/\/www.vintagevibe.co.nz\/index.php?rest_route=\/wp\/v2\/posts\/36\/revisions\/1930"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.vintagevibe.co.nz\/index.php?rest_route=\/wp\/v2\/media\/590"}],"wp:attachment":[{"href":"https:\/\/www.vintagevibe.co.nz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=36"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vintagevibe.co.nz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=36"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vintagevibe.co.nz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=36"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}