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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...) | ||||