who here remembers this special disk?
...the model when the heads were especially dirty.
@nixCraft Even more fundamental was the head *alignment* disk.
And then ... having aligned your heads properly ... how do you read the disks that you wrote *before* you aligned your heads properly?
@nixCraft I’m sure I still have some.
Do you have a machine left to read them?
Do you remember 8 inch floppies?
Cleaning solution? Check!
The CD version was better.
I was, much like my TRS-80, "a reliable workhorse that has now been superseded"
And more…