What kind of floppies did Hp recommend to use with this drive?
Sent from my iPhone
> On Apr 30, 2024, at 13:55, Fred Cisin via cctalk <cctalk@classiccmp.org>
> wrote:
>
> On Tue, 30 Apr 2024, John Herron via cctalk wrote:
>> Yup, that's all I used to do. Some scotch tape over the floppy disk hole to
>> make the system see it as DD. If it didn't automatically format as 720, you
>> could specify size or sector count with format.com in dos.
>
> Somemedia sensors are optical; use opaque taps.
>
>> I did hear folks say it wasn't always reliable (similar to 5.25 disks being
>> formated on a high density drive) but I never saw any problems in my
>> limited use.
>
> 3.5" are 600 VS 750 oersted;
> 5.25" are 300 vs 600 Oersted;
> a low density 5.25 formatted as "high density" won't do well;
> a high density 5.25" (1.2M) formatted as low density ("360K") sill self erase
> VERY soon, sometimes before you can even get it over to another machine. We
> had a college purchasing agent in bed with "Roytype", who kept giving us
> "1.2M" floppies ofr out TRS80s; they self erased very soon.
>
> --
> Grumpy Ol' Fred ci...@xenosoft.com
