{"id":12642,"date":"2025-03-14T09:31:40","date_gmt":"2025-03-14T08:31:40","guid":{"rendered":"https:\/\/infolib.re\/blog\/?p=12642"},"modified":"2026-02-05T19:15:16","modified_gmt":"2026-02-05T18:15:16","slug":"installer-mac-os-9-a-partir-d-une-cle-usb-amorcable","status":"publish","type":"post","link":"https:\/\/infolib.re\/blog\/installer-mac-os-9-a-partir-d-une-cle-usb-amorcable\/","title":{"rendered":"Installer Mac OS 9 \u00e0 partir d&rsquo;une cl\u00e9 USB amor\u00e7able"},"content":{"rendered":"<p>Il est parfois utile d&rsquo;installer Mac OS 9 \u00e0 partir d&rsquo;une cl\u00e9 USB amor\u00e7able, par exemple lorsque le lecteur de disque optique de l&rsquo;ordinateur Apple Macintosh ne fonctionne plus.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2><span style=\"font-weight: bold;\">Cr\u00e9er une cl\u00e9 USB amor\u00e7able<\/span><\/h2>\n<p>&nbsp;<\/p>\n<p>Procurez-vous un assortiment de CD-ROM de restauration, contenant Mac OS version 9.2.2 :<\/p>\n<p><a href=\"https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/CD-ROM-restauration-Mac-OS-X.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-12644 size-large\" src=\"https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/CD-ROM-restauration-Mac-OS-X-1024x1008.jpg?_t=1746569319\" alt=\"CD-ROM de restauration d'applications pour Mac OS X\" width=\"640\" height=\"630\" srcset=\"https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/CD-ROM-restauration-Mac-OS-X-1024x1008.jpg 1024w, https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/CD-ROM-restauration-Mac-OS-X-300x295.jpg 300w, https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/CD-ROM-restauration-Mac-OS-X-768x756.jpg 768w, https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/CD-ROM-restauration-Mac-OS-X-1536x1512.jpg 1536w, https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/CD-ROM-restauration-Mac-OS-X-2048x2016.jpg 2048w, https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/CD-ROM-restauration-Mac-OS-X-274x270.jpg 274w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>D\u00e9marrez un terminal sur un ordinateur avec Linux :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-12649 size-full aligncenter\" src=\"https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/menu-Linux-Mint-Terminal.png?_t=1741939314\" alt=\"menu Linux Mint - Terminal\" width=\"800\" height=\"600\" srcset=\"https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/menu-Linux-Mint-Terminal.png 800w, https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/menu-Linux-Mint-Terminal-300x225.png 300w, https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/menu-Linux-Mint-Terminal-768x576.png 768w, https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/menu-Linux-Mint-Terminal-360x270.png 360w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>Installez les paquets <strong>hfsplus<\/strong> et <strong>dmg2img<\/strong> en \u00e9crivant cette commande dans le terminal :<\/p>\n<p><code>sudo apt-get install hfsplus dmg2img<\/code><\/p>\n<p>&nbsp;<\/p>\n<p>Ins\u00e9rez le premier CD-ROM dans le lecteur de disque optique. Montez-le en \u00e9crivant cette commande :<\/p>\n<p><code>sudo mount -t hfsplus \/dev\/cdrom \/mnt<\/code><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-12650 size-full aligncenter\" src=\"https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/CD-ROM-Mac-OS-montage.png?_t=1741939430\" alt=\"CD-ROM Mac OS 9 montage\" width=\"660\" height=\"132\" srcset=\"https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/CD-ROM-Mac-OS-montage.png 660w, https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/CD-ROM-Mac-OS-montage-300x60.png 300w, https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/CD-ROM-Mac-OS-montage-604x121.png 604w\" sizes=\"auto, (max-width: 660px) 100vw, 660px\" \/><\/p>\n<p>Affichez le contenu du CD-ROM en \u00e9crivant cette commande :<\/p>\n<p><code>ls -lai \/mnt\/.images\/<\/code><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-12651 size-full aligncenter\" src=\"https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/CD-ROM-Mac-OS-images.png?_t=1741939482\" alt=\"CD-ROM Mac OS 9 images\" width=\"660\" height=\"217\" srcset=\"https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/CD-ROM-Mac-OS-images.png 660w, https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/CD-ROM-Mac-OS-images-300x99.png 300w, https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/CD-ROM-Mac-OS-images-604x199.png 604w\" sizes=\"auto, (max-width: 660px) 100vw, 660px\" \/><\/p>\n<p>Convertissez le fichier <span style=\"font-weight: bold;\">OS9General.dmg<\/span> en fichier <strong>OS9General.img<\/strong>, en \u00e9crivant cette commande :<\/p>\n<p><code>dmg2img \/mnt\/.images\/OS9General.dmg ~\/Bureau\/OS9General.img<\/code><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-12654 size-full\" src=\"https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/dmg2img.png?_t=1741939768\" alt=\"dmg2img\" width=\"660\" height=\"319\" srcset=\"https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/dmg2img.png 660w, https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/dmg2img-300x145.png 300w, https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/dmg2img-559x270.png 559w\" sizes=\"auto, (max-width: 660px) 100vw, 660px\" \/><\/p>\n<p>Vous devez voir appara\u00eetre le fichier OS9General.img sur le bureau de votre ordinateur.<\/p>\n<p>D\u00e9montez le CD-ROM avec cette commande, avant de l&rsquo;\u00e9jecter :<\/p>\n<p><code>sudo umount \/mnt<\/code><\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"\/Creer_un_CD_un_DVD_ou_une_cle_USB_amorcables_a_partir_d_une_image_disque\" rel=\"noopener\">Cr\u00e9ez une cl\u00e9 USB amor\u00e7able \u00e0 partir du fichier OS9General.img<\/a>. Si le fichier n&rsquo;est pas reconnu, renommez-le <strong>OS9General.iso<\/strong>.<\/p>\n<p>Avec cette cl\u00e9 USB amor\u00e7able, vous pouvez d\u00e9marrer puis installer Mac OS 9.2.2 sur un Macintosh \u00e9quip\u00e9 d\u2019un microprocesseur PowerPC.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2><span style=\"font-weight: bold;\">Installer Mac OS 9.2.2 sur un ordinateur Apple Macintosh \u00e9quip\u00e9 d\u2019un microprocesseur PowerPC<\/span><\/h2>\n<p>&nbsp;<\/p>\n<p>Branchez la cl\u00e9 USB Mac OS 9.2.2 sur l\u2019ordinateur sur lequel vous voulez installer Mac OS 9.2.2. S\u2019il n\u2019y a plus de prise USB disponible, utilisez un concentrateur USB :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-12655 size-full\" src=\"https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/concentrateur-USB.jpg?_t=1741939899\" alt=\"concentrateur USB\" width=\"800\" height=\"479\" srcset=\"https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/concentrateur-USB.jpg 800w, https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/concentrateur-USB-300x180.jpg 300w, https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/concentrateur-USB-768x460.jpg 768w, https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/concentrateur-USB-451x270.jpg 451w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>\u00c9teignez puis rallumez l\u2019ordinateur tout en maintenant la touche <span style=\"font-weight: bold;\">Alt<\/span> ou <span style=\"font-weight: bold;\">\u2325<\/span> enfonc\u00e9e. Vous devez voir appara\u00eetre le menu de d\u00e9marrage du Macintosh. Cliquez sur l\u2019ic\u00f4ne de la cl\u00e9 USB Mac OS 9.2.2 puis cliquez sur la fl\u00e8che droite :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-12656 size-full\" src=\"https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/menu-demarrage-Macintosh.jpg?_t=1741940077\" alt=\"menu d\u00e9marrage Mac OS 9\" width=\"800\" height=\"252\" srcset=\"https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/menu-demarrage-Macintosh.jpg 800w, https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/menu-demarrage-Macintosh-300x95.jpg 300w, https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/menu-demarrage-Macintosh-768x242.jpg 768w, https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/menu-demarrage-Macintosh-604x190.jpg 604w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>Mac OS 9.2.2 d\u00e9marre. Sur le bureau, double-cliquez successivement sur les ic\u00f4nes de la cl\u00e9 USB <span style=\"font-weight: bold;\">OS 9 Content<\/span>, du dossier <span style=\"font-weight: bold;\">Applications (Mac OS 9)<\/span>, du dossier <span style=\"font-weight: bold;\">Utilitaires<\/span>, du dossier <span style=\"font-weight: bold;\">Outil disque dur<\/span> puis de l\u2019application <span style=\"font-weight: bold;\">Outil disque dur<\/span>. En dessous de <span style=\"font-weight: bold;\">Liste des disques<\/span>, cliquez sur <span style=\"font-weight: bold;\">ATA<\/span>, sur le bouton <span style=\"font-weight: bold;\">Initialiser\u2026<\/span> puis \u00e0 nouveau sur le bouton <span style=\"font-weight: bold;\">Initialiser<\/span>\u00a0:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-12658 size-full\" src=\"https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/efface-disque-dur-Macintosh.jpg?_t=1741940460\" alt=\"effacer disque dur Macintosh\" width=\"800\" height=\"611\" srcset=\"https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/efface-disque-dur-Macintosh.jpg 800w, https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/efface-disque-dur-Macintosh-300x229.jpg 300w, https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/efface-disque-dur-Macintosh-768x587.jpg 768w, https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/efface-disque-dur-Macintosh-354x270.jpg 354w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>L\u2019ic\u00f4ne du disque dur doit appara\u00eetre sur le bureau, nomm\u00e9e <span style=\"font-weight: bold;\">sans titre<\/span>. Renommez-la <span style=\"font-weight: bold;\">Disque dur<\/span> en cliquant sur son nom.<\/p>\n<p>Fermez l\u2019application <span style=\"font-weight: bold;\">Outil disque dur<\/span>.<\/p>\n<p>&nbsp;<\/p>\n<p>Copiez tout le contenu de la cl\u00e9 USB Mac OS 9.2.2 en le glissant vers le disque dur :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-12659 size-full\" src=\"https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/copie-cle-USB-Mac-OS-9-vers-disque-dur.jpg?_t=1741940536\" alt=\"copier contenu cl\u00e9 USB Mac OS 9 vers disque dur\" width=\"800\" height=\"292\" srcset=\"https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/copie-cle-USB-Mac-OS-9-vers-disque-dur.jpg 800w, https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/copie-cle-USB-Mac-OS-9-vers-disque-dur-300x110.jpg 300w, https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/copie-cle-USB-Mac-OS-9-vers-disque-dur-768x280.jpg 768w, https:\/\/infolib.re\/blog\/wp-content\/uploads\/2025\/03\/copie-cle-USB-Mac-OS-9-vers-disque-dur-604x220.jpg 604w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>C\u2019est pr\u00eat\u00a0! Vous n\u2019avez plus qu\u2019\u00e0 red\u00e9marrer l\u2019ordinateur et d\u00e9brancher la cl\u00e9 USB.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2>T\u00e9l\u00e9chargement<\/h2>\n<p>&nbsp;<\/p>\n<ul>\n<li><a href=\"https:\/\/archive.org\/download\/os-9-general-f-691-4133-a\" target=\"_blank\" rel=\"noopener\">Fichier OS9General.dmg, extrait du DVD iMac Restauration de logiciels &#8211; 1 sur 2 &#8211; F691-4133-A et fichier OS9General.img, g\u00e9n\u00e9r\u00e9 \u00e0 partir du fichier OS9General.dmg<\/a>.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Il est parfois utile d&rsquo;installer Mac OS 9 \u00e0 partir d&rsquo;une cl\u00e9 USB amor\u00e7able, par exemple lorsque le lecteur de disque optique de l&rsquo;ordinateur Apple Macintosh ne fonctionne plus. &nbsp; &nbsp; Cr\u00e9er une cl\u00e9 USB amor\u00e7able &nbsp; Procurez-vous un assortiment de CD-ROM de restauration, contenant Mac OS version 9.2.2 : &nbsp; D\u00e9marrez un terminal sur un ordinateur avec Linux : Installez les paquets hfsplus et dmg2img en \u00e9crivant cette commande dans le terminal : sudo apt-get install hfsplus dmg2img &nbsp;&#8230;<\/p>\n<p class=\"read-more\"><a class=\"btn btn-default\" href=\"https:\/\/infolib.re\/blog\/installer-mac-os-9-a-partir-d-une-cle-usb-amorcable\/\">Lire la suite<span class=\"screen-reader-text\"> Lire la suite<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[590,587,585,586,581,584,630,588,589,629,631],"class_list":["post-12642","post","type-post","status-publish","format-standard","hentry","category-articles-publics","tag-apple","tag-cle-usb-amorcable","tag-dmg","tag-img","tag-installation","tag-mac-os-9","tag-mac-os-x","tag-macintosh","tag-powerpc","tag-restauration","tag-tiger"],"_links":{"self":[{"href":"https:\/\/infolib.re\/blog\/wp-json\/wp\/v2\/posts\/12642","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/infolib.re\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/infolib.re\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/infolib.re\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/infolib.re\/blog\/wp-json\/wp\/v2\/comments?post=12642"}],"version-history":[{"count":0,"href":"https:\/\/infolib.re\/blog\/wp-json\/wp\/v2\/posts\/12642\/revisions"}],"wp:attachment":[{"href":"https:\/\/infolib.re\/blog\/wp-json\/wp\/v2\/media?parent=12642"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/infolib.re\/blog\/wp-json\/wp\/v2\/categories?post=12642"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/infolib.re\/blog\/wp-json\/wp\/v2\/tags?post=12642"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}