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25 September 2026
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08:54 | Hard Drive Maintenance and Repair 3 changes history +3,070 [Josh (3×)] | |||
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08:54 (cur | prev) +898 Josh talk contribs (P4 verification: cite the hosted SCSI termination and bus-ID material from Pina's Mac II book and High's Troubleshooting Your Macintosh) | ||||
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07:56 (cur | prev) +1,982 Josh talk contribs (cite Apple's Service Source storage volumes inline, and flag the mis-titled Hard Drives file (P4 orphan fix)) | ||||
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00:22 (cur | prev) +190 Josh talk contribs (P4 verification: link IBM's PS/2 CD-ROM and SCSI-A technical references, hosted here but previously unlinked from any article) | ||||
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08:54 | Floppy Drive Repair 3 changes history +2,840 [Josh (3×)] | |||
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08:54 (cur | prev) +1,679 Josh talk contribs (P4 verification: cite the hosted Apple DuoDisk/UniDisk procedures, the HDI-20 volume and the Dead Mac Scrolls floppy chapter from the drive repair page) | ||||
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07:56 (cur | prev) +925 Josh talk contribs (cite Apple's external floppy Service Source volumes inline (P4 orphan fix)) | ||||
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00:22 (cur | prev) +236 Josh talk contribs (P4 verification: link IBM's 3.5-inch diskette drive technical reference, hosted here but previously unlinked from any article) | ||||
23 September 2026
| 02:21 | Disk II diffhist +3,191 Josh talk contribs (Rewrite against Apple's own Disk II manual (now hosted here) and Weyhrich's Apple II History: corrected release to July 1978 and price to $495 pre-order / $595 retail; corrected the mechanism origin (Shugart SA390 supplied without read/write electronics, head load solenoid, track zero or index sensors - not a modified SA400); corrected chip count (about 40 down to 9, then 8 - not one-tenth); deleted unsourced approximations (dimensions, weight, ~15 KB/s transfer rate, 1985 discontinuation, 14...) | ||||
| 02:19 | Hard Drive Maintenance and Repair diffhist +4,933 Josh talk contribs (Rewrite: deleted the invented rail tolerance table (5 V 4.85-5.15 and 12 V 11.9-12.7 V had no source and 12.7 V is outside the +/-5 pc period norm); deleted the invented once-per-year exercise interval; removed the platter-cleaning procedure (destroys the lubricant layer, not a hobby procedure); corrected the stiction technique to a rotational jolt of the sealed drive; corrected Click of Death (an Iomega Zip failure mode) and listed the real causes; added donor-PCB adaptive/ROM caveat, SCSI/I...) | ||||
| 02:17 | Floppy Drive Repair diffhist +8,972 Josh talk contribs (Rewrite with citations: replaced cotton-swab-and-IPA head cleaning with Tandon manual caution (do not clean heads by hand) and the cleaning-diskette route; corrected NyoGel 760G, which is a dielectric CONNECTOR grease per Nye, not a rail/gear lubricant; corrected rail lubricant to silicone; removed invented 2-3 year re-greasing interval and the power-up-to-distribute-lubricant claim; removed stepper-motor trial-and-error alignment in favour of the manufacturer procedure and pre-checks; remove...) | ||||
| 02:15 | Tandon TM100-2 diffhist +9,551 Josh talk contribs (Rewrite against Tandon service manual P/N 179022-001 (now hosted here) and minuszerodegrees: real power and performance specs, alignment tolerances, belt P/N 914000-001, C36/C43 4u7/16V tantalums as PSU-overload suspects, R4 speed adjust and three measurement methods; corrected head cleaning (Tandon forbids hand cleaning) and rail lubricant (silicone, not white lithium); removed unsourced DS2 jumper and 7-wire-twist claims; replaced dead bitsavers 404 link and bare link list with ref citations) | ||||
| 02:15 | Tandon TM100-1 diffhist +7,103 Josh talk contribs (Rewrite against Tandon service manual P/N 179022-001 (now hosted here): real power spec (+12 V +/-0.6 V 900 mA, +5 V +/-0.25 V 600 mA - was "~600 mA and +12 V"), full spec table, 300 RPM +/-1.5 pc, alignment tolerances (cat eye 75 pc, index-to-data 200+/-100 us, azimuth +/-18 min), belt P/N 914000-001, jumper/termination detail; corrected head cleaning (Tandon forbids cotton swabs and solvents by hand) and rail lubricant (silicone, not white lithium); removed unsourced Apple II compatibility...) | ||||