On Fri, 24 Aug 2018, Tom Gardner via cctalk wrote:
As Chuck notes the shutter closing was different, the RPM was different
and the interface was quite different. Also different was the media
coercivity, media thickness, data rate and physical drive form factor.
Enough differences such that
ubject: Re: First 3.5 inch FDD [WAS: RE: Prototype IBM DemiDiskette drive]
On 08/23/2018 11:43 AM, Tom Gardner via cctalk wrote:
> Well it all depends upon what u mean by "first"
>
> The Sony drive and cartridge were not compatible in many ways with
> what became the p
On Thu, Aug 23, 2018 at 12:43 PM, Tom Gardner via cctalk <
cctalk@classiccmp.org> wrote:
> Well it all depends upon what u mean by "first"
>
> The Sony drive and cartridge were not compatible in many ways with what
> became the physical, magnetic and electrical interface standards for the
>
On 08/23/2018 11:43 AM, Tom Gardner via cctalk wrote:
> Well it all depends upon what u mean by "first"
>
> The Sony drive and cartridge were not compatible in many ways with what
> became the physical, magnetic and electrical interface standards for the
> 3.5-inch drive and cartridge. The
Well it all depends upon what u mean by "first"
The Sony drive and cartridge were not compatible in many ways with what
became the physical, magnetic and electrical interface standards for the
3.5-inch drive and cartridge. The standards came out of the "Microfloppy
Industry Committee" (Google it
