[Coco] 3.5" Drive Variable in the NitrOS-9 Module Header

[Bruce W. Calkins]

----- Original Message ----- 
From: "Bill Pierce"

> Also, to use a 3.5" 1.44m disk as 720k, you could cover the "HD" id hole 
> on the disk and the drive would recognize the disk as 720k. The hole was 
> opposite of the write protect slider. I used the old write protect 
> stickers from 5.25" disks for this. If the disk had been "factory 
> formatted" for IBM, most times you needed to use a bulk eraser to clear 
> the disk because the drive eraser wasn't strong enough to erase those 
> "factory formatted" disks.
>
> Bill P


I tried this and they were unstable.

Bruce W.