Apple Floppy Disk Drive: Revision history

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curprev 17:5317:53, 1 October 2026 Josh talk contribs 12,831 bytes −2,026 DuoDisk chart: link to the copy on Disk II (Apple's p. 1.5) instead of repeating it with a wrong page range undo

curprev 11:5911:59, 30 September 2026 Josh talk contribs 14,857 bytes −1,616 Copyedit; fix DuoDisk ref (DuoDisk Technical Procedures pp. 1.1-1.4, not LaserWriter), add chart symptom 5; correct eject-fault order to Apple's (mechanism first); drop uncited advice; infobox image size undo

curprev 08:5308:53, 25 September 2026 Josh talk contribs 16,473 bytes +2,213 P4 verification: add Apple's own component-level DuoDisk chip-swapping chart and the C21 hot-plug warning, from the hosted Technical Procedures binder undo
curprev 07:5707:57, 25 September 2026 Josh talk contribs 14,260 bytes +31 repair red link: point Apple 3.5 Drive at the hosted Service Source page undo
curprev 07:5607:56, 25 September 2026 Josh talk contribs 14,229 bytes +1,174 cite the PC 5.25 and SuperDrive Service Source volumes inline (P4 orphan fix) undo

curprev 19:2119:21, 23 September 2026 Josh talk contribs 13,055 bytes +7,825 Rebuild from Guide to the Macintosh Family Hardware ch.9 + the Apple 800K Drive and Apple 3.5 Drive Service Sources, both already hosted here but unused. Connector is DB-19 not DE-19. Added Apples real mechanism specifications (6 ms seek, 30 ms settle, 600 ms startup, +-0.035 mm head accuracy, 600 mA eject peak), the yellow-not-red drive cable fault that makes a Mac Plus eject continuously, the CXD1085A -> CXD1085B daisy-chain gate array fix, and the Restoring Mouse Eject procedure. Deleted u... undo

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9 February 2026