On Fri, 22 May 2020 at 18:21, Fred Cisin via cctalk <cctalk@classiccmp.org> wrote: > > Similarly, I have a few 3.25" drives. NO, not 3.5"; not 3.0". 3.25" was > the entry in the "shirt pocket disk" wars that Dysan bet the company on. > (remember their disks?) Another discussion.
I remember the Zenith Minisport, a DOS laptop with 2" floppies: http://oldcomputers.net/zenith-minisport.html Don't think I ever saw one in real life, though. Not sure any other computer ever used those media. I own a number of Amstrad devices with 3" disks. But I don't think I ever saw 3¼"! > OB_Tangent: Georgre Morrow said that the solution would be to cut a deal > with clothing manufacturers to make shirt pockets 5.25" or even 8" Ha! :-) It is a bit funny that people issued diktats, and designed products, about and around pocket sizes. Now I am doomed to ridiculously-thin phones with poor battery life. This device was roundly mocked: https://www.businessinsider.com/energizer-phone-with-huge-battery-failed-on-indiegogo-2019-4 It's about the same thickness as the original hard-disk-based iPods, which sold in the tens of millions and were regarded as a pinnacle of miniaturisation. I think our list member Mr Corlett was the first to note that, that I saw. > 3.0" drives (Amdek, Amstrad, etc.) use same connectors as "standard" > 5.25", with "molex" power connector (I don't know what the CORRECT name is > for that connector). With some adjustments, anyway, I believe... https://www.cpcwiki.eu/index.php/DIY:Floppy_Drives > But, I have some 3.25" drives that use same connectors as "standard" 3.5" > drives, ("4 pin Berg"?) EXCEPT 5V and 12V are swapped in their positions > in the coneectors! :-o Nasty! -- Liam Proven – Profile: https://about.me/liamproven Email: lpro...@cix.co.uk – gMail/gTalk/gHangouts: lpro...@gmail.com Twitter/Facebook/LinkedIn/Flickr: lproven – Skype: liamproven UK: +44 7939-087884 – ČR (+ WhatsApp/Telegram/Signal): +420 702 829 053
