2017-03-19.png

Some partial success, where I see some text strings in my language (Czech) from documents on disk.

Portable Network Graphics (PNG) - 247.09 kB - 09/22/2017 at 11:11

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Portable Network Graphics (PNG) - 521.10 kB - 09/22/2017 at 11:11

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ino - 12.81 kB - 09/22/2017 at 11:04

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RAR Archive - 2.82 kB - 09/22/2017 at 11:02

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10131159-00A_FD55_InstructionMan.pdf

Vintage 5.25'' TEAC floppy FD-55 datasheet, in principle completelly same as 3.5'' FDD. There is nicely described FM and MFM encoding on pages 265 - 268, but timing of pulses differs for HD media.

Adobe Portable Document Format - 2.32 MB - 03/07/2017 at 07:48

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NEC FD1036 Floppy 1985.unlocked.pdf

Nice datasheet for NEC 3.5'' FDD from year 1985. Principles are explained in detail. However, strange formats are used, not HD nor DD.

Adobe Portable Document Format - 789.54 kB - 03/07/2017 at 07:48

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SAMSUNG-SFD321B-070103.pdf

Datasheet for modern SAMSUNG 3.5'' HD 1.44MB capable floppy, most of the latest FDD are similar to this. Both DD and HD are supported.

Adobe Portable Document Format - 596.15 kB - 03/07/2017 at 07:48

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