{"id":39543,"date":"2004-05-03T07:00:00","date_gmt":"2004-05-03T07:00:00","guid":{"rendered":"https:\/\/blogs.msdn.microsoft.com\/oldnewthing\/2004\/05\/03\/why-does-my-hard-drive-light-flash-every-few-second\/"},"modified":"2004-05-03T07:00:00","modified_gmt":"2004-05-03T07:00:00","slug":"why-does-my-hard-drive-light-flash-every-few-second","status":"publish","type":"post","link":"https:\/\/devblogs.microsoft.com\/oldnewthing\/20040503-00\/?p=39543","title":{"rendered":"Why does my hard drive light flash every few second?"},"content":{"rendered":"<p>Back in Windows&nbsp;95, people would notice that their hard  drive light would blink every few seconds.  What&#8217;s that all about?\n  Actually, it wasn&#8217;t the hard drive light after all.\n  Windows&nbsp;95 was polling your CD-ROM drive to see whether  you had inserted a new CD.  Some computers wired up the  &#8220;hard drive light&#8221; not to the hard drive but rather to the  SCSI and\/or IDE bus.  So the light didn&#8217;t indicate hard drive  activity necessarily.  It turned on for any bus activity.\n  Fortunately, motherboard manufacturers discovered their mistake  and nowadays you don&#8217;t find any of them that miswire the hard  drive access light.<\/p>\n<p>  Or do you?    I keep my computer under my desk so I never see the hard drive  light anyway.  I&#8217;m just surmising that in the past seven years,  motherboard manufacturers have gotten their act together.  <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Back in Windows&nbsp;95, people would notice that their hard drive light would blink every few seconds. What&#8217;s that all about? Actually, it wasn&#8217;t the hard drive light after all. Windows&nbsp;95 was polling your CD-ROM drive to see whether you had inserted a new CD. Some computers wired up the &#8220;hard drive light&#8221; not to the [&hellip;]<\/p>\n","protected":false},"author":1069,"featured_media":111744,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[25],"class_list":["post-39543","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-oldnewthing","tag-code"],"acf":[],"blog_post_summary":"<p>Back in Windows&nbsp;95, people would notice that their hard drive light would blink every few seconds. What&#8217;s that all about? Actually, it wasn&#8217;t the hard drive light after all. Windows&nbsp;95 was polling your CD-ROM drive to see whether you had inserted a new CD. Some computers wired up the &#8220;hard drive light&#8221; not to the [&hellip;]<\/p>\n","_links":{"self":[{"href":"https:\/\/devblogs.microsoft.com\/oldnewthing\/wp-json\/wp\/v2\/posts\/39543","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/devblogs.microsoft.com\/oldnewthing\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/devblogs.microsoft.com\/oldnewthing\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/oldnewthing\/wp-json\/wp\/v2\/users\/1069"}],"replies":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/oldnewthing\/wp-json\/wp\/v2\/comments?post=39543"}],"version-history":[{"count":0,"href":"https:\/\/devblogs.microsoft.com\/oldnewthing\/wp-json\/wp\/v2\/posts\/39543\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/oldnewthing\/wp-json\/wp\/v2\/media\/111744"}],"wp:attachment":[{"href":"https:\/\/devblogs.microsoft.com\/oldnewthing\/wp-json\/wp\/v2\/media?parent=39543"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/oldnewthing\/wp-json\/wp\/v2\/categories?post=39543"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/oldnewthing\/wp-json\/wp\/v2\/tags?post=39543"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}