{"id":1210,"date":"2020-07-21T18:32:54","date_gmt":"2020-07-21T08:32:54","guid":{"rendered":"https:\/\/blog.hegars.com\/?p=1210"},"modified":"2020-07-22T13:57:47","modified_gmt":"2020-07-22T03:57:47","slug":"baby-at-motherboard-drill-pattern","status":"publish","type":"post","link":"https:\/\/blog.hegars.com\/?p=1210","title":{"rendered":"Baby AT Motherboard Drill Pattern"},"content":{"rendered":"\n<p>Building a case for an old AT board and I needed a drill pattern for the Baby AT form factor, taking measurements from a real board but found the pattern on the net<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"688\" src=\"https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/image-10-1024x688.png\" alt=\"\" class=\"wp-image-1245\" srcset=\"https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/image-10-1024x688.png 1024w, https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/image-10-300x202.png 300w, https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/image-10-768x516.png 768w, https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/image-10-1080x726.png 1080w, https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/image-10.png 1396w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>I completed a design in Kicad and in QCAD<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"788\" src=\"https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/image-9-1024x788.png\" alt=\"\" class=\"wp-image-1241\" srcset=\"https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/image-9-1024x788.png 1024w, https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/image-9-300x231.png 300w, https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/image-9-768x591.png 768w, https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/image-9-1080x832.png 1080w, https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/image-9.png 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-file\"><a href=\"https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/babyat-1.7z\">babyat<\/a><a href=\"https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/babyat-1.7z\" class=\"wp-block-file__button\" download>Download<\/a><\/div>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"690\" src=\"https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/image-6-1024x690.png\" alt=\"\" class=\"wp-image-1225\" srcset=\"https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/image-6-1024x690.png 1024w, https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/image-6-300x202.png 300w, https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/image-6-768x518.png 768w, https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/image-6-1080x728.png 1080w, https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/image-6.png 1393w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"671\" src=\"https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/image-5-1024x671.png\" alt=\"\" class=\"wp-image-1224\" srcset=\"https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/image-5-1024x671.png 1024w, https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/image-5-300x197.png 300w, https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/image-5-768x503.png 768w, https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/image-5-1080x708.png 1080w, https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/image-5.png 1505w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>BabyAT Reference source <\/p>\n\n\n\n<p><a href=\"https:\/\/flylib.com\/books\/en\/4.57.1.41\/1\/\">https:\/\/flylib.com\/books\/en\/4.57.1.41\/1\/<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"418\" src=\"https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/atform.jpg\" alt=\"\" class=\"wp-image-1211\" srcset=\"https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/atform.jpg 480w, https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/atform-300x261.jpg 300w\" sizes=\"(max-width: 480px) 100vw, 480px\" \/><\/figure>\n\n\n\n<p>Might as well add ISA and PCI slots to allow aligning cards<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"433\" src=\"https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/atxlay-1.jpg\" alt=\"\" class=\"wp-image-1229\" srcset=\"https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/atxlay-1.jpg 500w, https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/atxlay-1-300x260.jpg 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/figure>\n\n\n\n<p>ISA first pin to the left edge of the board .500<br>ISA first pin from the center of the front drill points .600<br>ISA Typical between connectors .800<br>PCI  first pin from the center of  the front drill points  1.225<br>PCI  Typical between connectors .800<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"554\" height=\"608\" src=\"https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/image-7.png\" alt=\"\" class=\"wp-image-1234\" srcset=\"https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/image-7.png 554w, https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/image-7-273x300.png 273w\" sizes=\"(max-width: 554px) 100vw, 554px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-file\"><a href=\"https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/ATX2.2Specspdf.pdf\">ATX2.2Specspdf<\/a><a href=\"https:\/\/blog.hegars.com\/wp-content\/uploads\/2020\/07\/ATX2.2Specspdf.pdf\" class=\"wp-block-file__button\" download>Download<\/a><\/div>\n\n\n\n<figure class=\"wp-block-embed-wordpress wp-block-embed is-type-wp-embed is-provider-wordpress\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"2xlpOX9bcH\"><a href=\"https:\/\/www.andavno.com\/?p=87\">Learning KiCad; Designing and Building an ISA POST Card<\/a><\/blockquote><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;Learning KiCad; Designing and Building an ISA POST Card&#8221; &#8212; \" src=\"https:\/\/www.andavno.com\/?p=87&#038;embed=true#?secret=J3JjiEMTfe#?secret=2xlpOX9bcH\" data-secret=\"2xlpOX9bcH\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Building a case for an old AT board and I needed a drill pattern for the Baby AT form factor, taking measurements from a real board but found the pattern on the net I completed a design in Kicad and in QCAD BabyAT Reference source https:\/\/flylib.com\/books\/en\/4.57.1.41\/1\/ Might as well add ISA and PCI slots to [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-container-style":"default","site-container-layout":"default","site-sidebar-layout":"default","disable-article-header":"default","disable-site-header":"default","disable-site-footer":"default","disable-content-area-spacing":"default","footnotes":""},"categories":[19,17],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.hegars.com\/index.php?rest_route=\/wp\/v2\/posts\/1210"}],"collection":[{"href":"https:\/\/blog.hegars.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.hegars.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.hegars.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.hegars.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1210"}],"version-history":[{"count":12,"href":"https:\/\/blog.hegars.com\/index.php?rest_route=\/wp\/v2\/posts\/1210\/revisions"}],"predecessor-version":[{"id":1246,"href":"https:\/\/blog.hegars.com\/index.php?rest_route=\/wp\/v2\/posts\/1210\/revisions\/1246"}],"wp:attachment":[{"href":"https:\/\/blog.hegars.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1210"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.hegars.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1210"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.hegars.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1210"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}