Re: Those were the days, when a computer was really engineering
> IBM 3270 drives, I assume relatively similar from the description with all the adjustments made by turning screws 25% or a turn clockwise or similar...
The IBM 3270 was a CRT terminal. You may be thinking of a 3370? Take your pick from the drives featured in the Wikipedia article: https://en.wikipedia.org/wiki/History_of_IBM_magnetic_disk_drives
Biting the hand that feeds IT
