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PostPosted: Sat Dec 10, 2016 1:35 pm 
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Location: Albany, NY
Like with the CD/DVD drives which use a standard IDE laptop optical drive, are the floppy drives inside the FD modules also interchangeable between like the 75x/76x, 600, T2x/T3x/A3x generations? They seem to use the same connector between the three (inside the caddy, not the UltraBay connector itself), but are they interchangeable? (are PC laptop floppy drives standardized to begin with?)

Recently I had the floppy drive in my PowerBook G3 Wallstreet die, so I found that I could swap in a drive from another PowerBook (from 1xx to 1400 era) and it will fit and work inside the module, and I thought it would be interesting to try putting a spare 2.88MB drive into a T2x/T3x/A3x UltraBay floppy drive ;)

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PostPosted: Sat Dec 10, 2016 1:51 pm 
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I know that T2x and T3x can use the same floppy drives. (I have a few spares, if needed).
Never had an A3x or older machine to try them on.

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PostPosted: Sat Dec 10, 2016 7:17 pm 
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Joined: Sun Jan 24, 2010 5:32 pm
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Location: Lincolnwood, Illinois
danikayser84 wrote:
are they interchangeable? (are PC laptop floppy drives standardized to begin with?)


Pretty much, yes. They are different to Apple's drives. Most-all IBM-PC-compatible floppy drives are usually interchangeable; this truth follows for slimline formfactor. Here is a pinout, and here is a datasheet (TEAC FD-05HF-8830) of a typical representative 12.7mm-thick "slimline" or "micro" floppy drive. Its connector is 26-pin, 1mm pitch, 0.3mm thickness flexi-ribbon.

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