File:Widget Firmware Specification 2.0 (1984).pdf
Summary
[edit | edit source]Apple Computer's Widget Firmware Specification and Theory of Operation, revision 2.0-0, dated 8 May 1984, written by Rodger Mohme. 91 PDF pages (typescript with handwritten annotations). Describes the firmware of the Widget internal hard disk used in the Lisa 2/10 and Macintosh XL: ProFile, diagnostic and system commands, the Read ID identity block for Widget-10, -20 and -40, controller and servo status, seek, restore, park and offset commands, the spare table and formatting. Cited on Apple Widget.
Source
[edit | edit source]bitsavers, pdf/apple/disk/widget/Widget_Firmware_Specification_2.0_198405.pdf, https://bitsavers.org/pdf/apple/disk/widget/ (retrieved 2026-10-04).
Author
[edit | edit source]Apple Computer, Inc. (Rodger Mohme).
Licence
[edit | edit source]Copyright Apple Computer, Inc. Internal engineering document, hosted for preservation and repair reference.
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 15:16, 4 October 2026 | 0 × 0 (3.18 MB) | Josh (talk | contribs) | Widget firmware specification 2.0, May 1984 (bitsavers) |
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