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Apple Hard Disk 20 Maintenance: Revision history

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5 September 2025

18 April 2025

  • curprev 15:0915:09, 18 April 2025 Josh talk contribs 5,519 bytes +223 No edit summary undo Tag: Visual edit
  • curprev 15:0015:00, 18 April 2025 Josh talk contribs 5,296 bytes +5,296 Created page with "The '''Apple Hard Disk 20 (HD20)''' was Apple’s first external hard drive designed for early Macintosh models. It features a 20 MB Rodime RO552 mechanism housed in an external enclosure. Unlike later SCSI drives, the HD20 uniquely connects through the Macintosh floppy disk port, utilizing a proprietary interface. Due to aging components, HD20 units frequently require thorough maintenance and careful restoration to remain operational. == 🧰 Disassembly Instructions =..."
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