All you never wanted to know about 8 inch floppy drives

We connect an 8“ floppy drive to a PC, learn the 11 ways they are different from standard PC floppies, and even design an adapter and make it available for all on Tindie. Chapters: 00:00 Intro 01:20 My 8“ drives come from an HP 9895 02:37 The IBM 8“ floppy and its media 06:03 Antoine's 8“ floppy adapter 07:06 Booting my PC from the 8“ floppy 08:24 8“ drive restoration and bring up 11:08 Making the prototype cable adapter 20:16 The 11 quirks of 8“ floppies 20:52 Single sided vs. double sided 21:48 Write protect works reverse 22:52 Four address wires! 24:56 Head load signal 25:41 Door lock signal 26:38 Disk ready vs. disk change 28:02 Track 43 current control 28:37 Pull up resistors 29:28 500kHz data rate 30:07 FM modulation support 30:49 ImageDisk and Omnidisk setup for 77 tracks 32:52 Formatting an 8“ Floppy 34:07 Using the floppy with Windows 35:25 Playing Donkey Kong from the 8“ diskette Antoine's 8 inch floppy adapter on Tindie: Adrian's Digital Basement video on the 8“ floppy: Stuff that supports the channel: - Support us on Patreon: - Merch on Teespring: - Tools I use in the lab: Our lovely sponsors - PCBWay: fast turn PCBs, - Electro-Rent: - Keysight: test instruments: - Samtec: connectors: - R&D Microwaves: Get more technical info on the companion site: Contact info: