{"id":2539,"date":"2014-07-23T19:45:48","date_gmt":"2014-07-23T17:45:48","guid":{"rendered":"http:\/\/www.retro.co.za\/blog\/?p=2539"},"modified":"2016-07-06T14:17:37","modified_gmt":"2016-07-06T12:17:37","slug":"the-25-network","status":"publish","type":"post","link":"https:\/\/www.retro.co.za\/blog\/?p=2539","title":{"rendered":"The $25 Network"},"content":{"rendered":"<p>These days one can network a bunch of computers for $25 without breaking much of a sweat, since most if not all computers these days come with a network port right there on the motherboard, and if it&#8217;s a notebook there will be wi-fi right there as well.<\/p>\n<p>But back in 1987 networks were a big deal. <a href=\"http:\/\/www.arcnet.com\/\">Arcnet<\/a> came out in 1982 and Ethernet was standardized in 1983 &#8212; using almost-a-centimeter-thick coax cables with the delightfully named &#8220;<a href=\"http:\/\/en.wikipedia.org\/wiki\/Vampire_tap\">vampire tap<\/a>&#8221; connecting stations to the backbone. Yes, we&#8217;ve come a long way.<\/p>\n<p>So being able to network two or three machines for $25 was a Big Deal. At around the same time you could get two <a href=\"http:\/\/www.atarimagazines.com\/compute\/issue142\/70_Getting_wired.php\">Ethernet adapters and a cable<\/a> from LANtastic for $699.<\/p>\n<p>How? Point-to-point serial cables, with one machine acting as a hub in three-machine installations. According to <a href=\"http:\/\/archive.retro.co.za\/archive\/MSDOS\/$25NET\/$25NET.PDF\">the documentation<\/a>, this is good for 80 feet at full speed (115 kbit\/s). This and some very clever DOS software from D. Jindra and R Armstrong, calling themselves <a href=\"https:\/\/groups.google.com\/forum\/#!msg\/comp.sys.ibm.pc\/fXXezotyfXw\/aLoPWykdZmgJ\">Information Modes<\/a> and operating from <a href=\"http:\/\/www.datapackrat.com\/diskimages\/page001.html\">a drawer in Texas<\/a>. All drives (which in 1987 meant 360k to 1.2Mbyte floppies, and maybe a 20Mbyte hard drive somewhere) and printers could be accessed from all the machines in this network.<\/p>\n<p>It was magic, I tell you. Kids of today, they don&#8217;t believe a word of it.<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li><a href=\"http:\/\/archive.retro.co.za\/archive\/MSDOS\/$25NET\/\">Link to the files I have<\/a> (Time has not been kind. There&#8217;s some <a href=\"http:\/\/www.catb.org\/jargon\/html\/B\/bit-rot.html\">bitrot<\/a> in the filenames I think)<\/li>\n<li>The <a href=\"http:\/\/www.datapackrat.com\">Data Packrat<\/a> has a disk image of a different version of the $25 Network and delightfully odd ideas of how the internet works.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>These days one can network a bunch of computers for $25 without breaking much of a sweat, since most if not all computers these days come with a network port right there on the motherboard, and if it&#8217;s a notebook there will be wi-fi right there as well. But back in 1987 networks were a big deal. Arcnet came out in 1982 and Ethernet was standardized in 1983 &#8212; using almost-a-centimeter-thick coax cables with the delightfully named &#8220;vampire tap&#8221; connecting stations to the backbone. Yes, we&#8217;ve come a long way. So being able to network two or three machines for&#46;&#46;&#46;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[66,83],"tags":[],"class_list":["post-2539","post","type-post","status-publish","format-standard","hentry","category-computers","category-get-off-my-lawn"],"_links":{"self":[{"href":"https:\/\/www.retro.co.za\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2539","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.retro.co.za\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.retro.co.za\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.retro.co.za\/blog\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.retro.co.za\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2539"}],"version-history":[{"count":6,"href":"https:\/\/www.retro.co.za\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2539\/revisions"}],"predecessor-version":[{"id":3430,"href":"https:\/\/www.retro.co.za\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2539\/revisions\/3430"}],"wp:attachment":[{"href":"https:\/\/www.retro.co.za\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2539"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.retro.co.za\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2539"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.retro.co.za\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2539"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}