{"id":256,"date":"2025-07-03T20:10:08","date_gmt":"2025-07-03T20:10:08","guid":{"rendered":"https:\/\/retrocollective.org\/?p=256"},"modified":"2025-07-03T21:04:29","modified_gmt":"2025-07-03T21:04:29","slug":"identifying-imac-g3-revisions","status":"publish","type":"post","link":"https:\/\/retrocollective.org\/?p=256","title":{"rendered":"Identifying iMac G3 Bondi Blue Revisions (Without Disassembly)"},"content":{"rendered":"\n<ul class=\"wp-block-list\">\n<li><strong>Method 1:<\/strong><\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\" style=\"grid-template-columns:48% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"448\" height=\"426\" src=\"https:\/\/retrocollective.org\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-04-at-12.39.26\u202fAM.png\" alt=\"\" class=\"wp-image-278 size-full\" srcset=\"https:\/\/retrocollective.org\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-04-at-12.39.26\u202fAM.png 448w, https:\/\/retrocollective.org\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-04-at-12.39.26\u202fAM-300x285.png 300w\" sizes=\"auto, (max-width: 448px) 100vw, 448px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p class=\"wp-block-paragraph\">Look at the front for the infrared (IR) sensor. If there is a small round IR window next to the left speaker, it\u2019s a <strong><em>Rev A<\/em> <\/strong>or<strong> <em>Rev B<\/em><\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If there is no IR window, it\u2019s a <em><strong>Rev C or Rev D<\/strong>.<\/em><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\" style=\"grid-template-columns:34% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"328\" src=\"https:\/\/retrocollective.org\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-04-at-12.40.50\u202fAM.png\" alt=\"\" class=\"wp-image-280 size-full\" srcset=\"https:\/\/retrocollective.org\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-04-at-12.40.50\u202fAM.png 400w, https:\/\/retrocollective.org\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-04-at-12.40.50\u202fAM-300x246.png 300w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p class=\"wp-block-paragraph\">Here is how the front left of a <strong><em>Rev C <\/em><\/strong><em><strong>or Rev D<\/strong> <\/em> model would look like, with no IR sensor present.<\/p>\n<\/div><\/div>\n\n\n\n<div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Method 2 (Know Exact Revision):<\/strong><\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\" style=\"grid-template-columns:25% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"983\" src=\"https:\/\/retrocollective.org\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-04-at-12.44.23\u202fAM-1024x983.png\" alt=\"\" class=\"wp-image-282 size-full\" srcset=\"https:\/\/retrocollective.org\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-04-at-12.44.23\u202fAM-1024x983.png 1024w, https:\/\/retrocollective.org\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-04-at-12.44.23\u202fAM-300x288.png 300w, https:\/\/retrocollective.org\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-04-at-12.44.23\u202fAM-768x737.png 768w, https:\/\/retrocollective.org\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-04-at-12.44.23\u202fAM.png 1088w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p class=\"wp-block-paragraph\">Check the blue circle sticker on the bottom of the iMac.<\/p>\n<\/div><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-large-font-size\">If the sticker lists specs like CPU and RAM but does NOT mention the graphics card (ATI Rage IIc), it\u2019s a <strong><em>Rev A<\/em><\/strong>.<\/li>\n\n\n\n<li style=\"border-radius:0px;font-size:clamp(0.875rem, 0.875rem + ((1vw - 0.2rem) * 0.667), 1.3rem);\">If the sticker lists specs and includes \u201cATI Rage Pro,\u201d it\u2019s a <em><strong>Rev B<\/strong>.<\/em><\/li>\n\n\n\n<li>If the sticker is present but does not have any specs written, it\u2019s a <strong>Rev C or Rev D <\/strong>as shown below<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-group is-layout-grid wp-container-core-group-is-layout-e39da43a wp-block-group-is-layout-grid\">\n<figure class=\"wp-block-image size-large wp-container-content-69bc4bdf\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1001\" src=\"https:\/\/retrocollective.org\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-04-at-12.47.36\u202fAM-1024x1001.png\" alt=\"\" class=\"wp-image-283\" srcset=\"https:\/\/retrocollective.org\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-04-at-12.47.36\u202fAM-1024x1001.png 1024w, https:\/\/retrocollective.org\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-04-at-12.47.36\u202fAM-300x293.png 300w, https:\/\/retrocollective.org\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-04-at-12.47.36\u202fAM-768x751.png 768w, https:\/\/retrocollective.org\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-04-at-12.47.36\u202fAM.png 1078w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Rev A<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full wp-container-content-69bc4bdf\"><img loading=\"lazy\" decoding=\"async\" width=\"954\" height=\"946\" src=\"https:\/\/retrocollective.org\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-04-at-12.48.05\u202fAM.png\" alt=\"\" class=\"wp-image-284\" srcset=\"https:\/\/retrocollective.org\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-04-at-12.48.05\u202fAM.png 954w, https:\/\/retrocollective.org\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-04-at-12.48.05\u202fAM-300x297.png 300w, https:\/\/retrocollective.org\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-04-at-12.48.05\u202fAM-150x150.png 150w, https:\/\/retrocollective.org\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-04-at-12.48.05\u202fAM-768x762.png 768w\" sizes=\"auto, (max-width: 954px) 100vw, 954px\" \/><figcaption class=\"wp-element-caption\">Rev B<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"896\" height=\"876\" src=\"https:\/\/retrocollective.org\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-04-at-12.49.55\u202fAM.png\" alt=\"\" class=\"wp-image-288\" srcset=\"https:\/\/retrocollective.org\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-04-at-12.49.55\u202fAM.png 896w, https:\/\/retrocollective.org\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-04-at-12.49.55\u202fAM-300x293.png 300w, https:\/\/retrocollective.org\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-04-at-12.49.55\u202fAM-768x751.png 768w\" sizes=\"auto, (max-width: 896px) 100vw, 896px\" \/><figcaption class=\"wp-element-caption\">Rev C \/ Rev D<\/figcaption><\/figure>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><em>To tell Rev C and Rev D apart, check the CPU speed by going to system information in the OS or looking up the serial number: Rev C runs at 266 MHz, Rev D at 333 MHz.)<\/em><\/strong><\/p>\n\n\n\n<div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Method 3: Check if there is a mezzanine slot on the ports (right side of the iMac)<\/strong><\/p>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\" style=\"grid-template-columns:42% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"473\" src=\"https:\/\/retrocollective.org\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-04-at-12.52.30\u202fAM-1024x473.png\" alt=\"\" class=\"wp-image-289 size-full\" srcset=\"https:\/\/retrocollective.org\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-04-at-12.52.30\u202fAM-1024x473.png 1024w, https:\/\/retrocollective.org\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-04-at-12.52.30\u202fAM-300x139.png 300w, https:\/\/retrocollective.org\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-04-at-12.52.30\u202fAM-768x355.png 768w, https:\/\/retrocollective.org\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-04-at-12.52.30\u202fAM.png 1052w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p class=\"wp-block-paragraph\"><strong><em>Rev A<\/em><\/strong> and <strong><em>Rev B<\/em><\/strong> models have a mezzanine slot<br><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\" style=\"grid-template-columns:42% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"806\" height=\"466\" src=\"https:\/\/retrocollective.org\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-04-at-12.53.09\u202fAM.png\" alt=\"\" class=\"wp-image-290 size-full\" srcset=\"https:\/\/retrocollective.org\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-04-at-12.53.09\u202fAM.png 806w, https:\/\/retrocollective.org\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-04-at-12.53.09\u202fAM-300x173.png 300w, https:\/\/retrocollective.org\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-04-at-12.53.09\u202fAM-768x444.png 768w\" sizes=\"auto, (max-width: 806px) 100vw, 806px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p class=\"wp-block-paragraph\"><strong><em>Rev C<\/em><\/strong> and <strong><em>Rev D<\/em><\/strong> models do not have a mezzanine slot as seen here.<\/p>\n<\/div><\/div>\n\n\n\n<div style=\"height:34px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><em><strong>Fun Fact:<\/strong> Apple insisted on not using the mezzanine slot but third parties reverse engineered it and made SCSI port expansions. It is still a mystery  to this day as to why Apple included it.<\/em><br><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Look at the front for the infrared (IR) sensor. If there is a small round IR window next to the left speaker, it\u2019s a Rev A or Rev B. If there is no IR window, it\u2019s a Rev C or Rev D. Here is how the front left of a Rev C or Rev D [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":265,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"CBBTypography":[],"footnotes":""},"categories":[1],"tags":[],"class_list":["post-256","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/retrocollective.org\/index.php?rest_route=\/wp\/v2\/posts\/256","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/retrocollective.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/retrocollective.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/retrocollective.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/retrocollective.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=256"}],"version-history":[{"count":5,"href":"https:\/\/retrocollective.org\/index.php?rest_route=\/wp\/v2\/posts\/256\/revisions"}],"predecessor-version":[{"id":297,"href":"https:\/\/retrocollective.org\/index.php?rest_route=\/wp\/v2\/posts\/256\/revisions\/297"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/retrocollective.org\/index.php?rest_route=\/wp\/v2\/media\/265"}],"wp:attachment":[{"href":"https:\/\/retrocollective.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=256"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/retrocollective.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=256"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/retrocollective.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=256"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}