{"id":13493,"date":"2010-07-06T07:00:00","date_gmt":"2010-07-06T07:00:00","guid":{"rendered":"https:\/\/blogs.msdn.microsoft.com\/oldnewthing\/2010\/07\/06\/hardware-backward-compatibility-the-firmware-that-missed-one-tiny-detail\/"},"modified":"2010-07-06T07:00:00","modified_gmt":"2010-07-06T07:00:00","slug":"hardware-backward-compatibility-the-firmware-that-missed-one-tiny-detail","status":"publish","type":"post","link":"https:\/\/devblogs.microsoft.com\/oldnewthing\/20100706-00\/?p=13493","title":{"rendered":"Hardware backward compatibility: The firmware that missed one tiny detail"},"content":{"rendered":"<p>The person responsible for the floppy disk driver in Windows&nbsp;95 also was responsible for the low-level CD-ROM drivers. (Not to be confused with the CDFS file system, which was handled by the file system team, not the hardware driver folks.) And I remember a story about one particularly strange CD-ROM drive.\n This drive was produced by a name-brand manufacturer. The box that the drive comes in proudly announces that it is an IDE ATAPI drive. And they did a fantastic job. They implemented all the ATAPI commands that were defined at the time, with one tiny exception.<\/p>\n<p> They forgot to implement the &#8220;Are you an ATAPI drive?&#8221; command. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>The person responsible for the floppy disk driver in Windows&nbsp;95 also was responsible for the low-level CD-ROM drivers. (Not to be confused with the CDFS file system, which was handled by the file system team, not the hardware driver folks.) And I remember a story about one particularly strange CD-ROM drive. This drive was produced [&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":[2],"class_list":["post-13493","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-oldnewthing","tag-history"],"acf":[],"blog_post_summary":"<p>The person responsible for the floppy disk driver in Windows&nbsp;95 also was responsible for the low-level CD-ROM drivers. (Not to be confused with the CDFS file system, which was handled by the file system team, not the hardware driver folks.) And I remember a story about one particularly strange CD-ROM drive. This drive was produced [&hellip;]<\/p>\n","_links":{"self":[{"href":"https:\/\/devblogs.microsoft.com\/oldnewthing\/wp-json\/wp\/v2\/posts\/13493","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=13493"}],"version-history":[{"count":0,"href":"https:\/\/devblogs.microsoft.com\/oldnewthing\/wp-json\/wp\/v2\/posts\/13493\/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=13493"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/oldnewthing\/wp-json\/wp\/v2\/categories?post=13493"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/oldnewthing\/wp-json\/wp\/v2\/tags?post=13493"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}