3.25" diskettes

[Dan Williams]

> There certainly were 3" drives that were electrcially compatible with
> 5.25" ones. I have a couple of Hitachi drives that I use on a CoCo. They
> were not sold _for_ the CoCo in the UK, just spare drives that I plugged in.
>
> 3" drives were common on Amstrad 8 bit machines in the UK (CPC664,
> CPC6128,  PCW8256, Spectrum +3 etc). IIRC, the PSW drives at least had a 26
> pin
> interface connector, not the 34 pin one used on 5.25" drives, but the
> signals were the same, just on different pins.

They are compatible on the cpc's. I have a 3" disk in one of my pc's
for copying files. As well as a 3.5" disk on a cpc. You just need a
switch on the cable to select disk side.

Dan