Tube🌿Timegot a new mini-project: this is the AMTRADE "The Real HD-Drive" which is a PC floppy drive with this board on the back enabling an Amiga to read high density floppy disks (1.75MB).
to get the Amiga to work with high density disks, the Commodore engineers took a little short cut and just spin the drive at half the normal RPM (150 instead of 300). this keeps the data rate the same, allowing the custom chip to remain unchanged.
this means you can't just use a standard PC floppy drive and expect it to work, even with a little PAL on the back. this drive has been modified.
as is typical in the Amiga community, the mods have been done in such a way to make them hard to reverse engineer. in this case, the rework wire is hair-thin magnet wire covered in silicone. try to remove the silicone, and it shreds the wire.
indrora, hacker at small@tubetime Voultar (of the console modding scene) has called this the hallmark of a shitty modder for years.
Chartreuse@ChartreuseK @indrora it's definitely intentional anti reverse engineering. didn't stop me though lol
Dantali0n 
@tubetime @ChartreuseK @indrora what kind of community intentionally impedes each other from making mods and having fun together, jeesh
@dantalion @tubetime @ChartreuseK Oh, you sweet summer child.
There's a ton of people in the retrotech community who growl and hiss over people knowing how their mods work. The model100 community is going to have to re-engineer so much because of secrecy and “I made a thing (no you don't get schematics)”