Formating a 1680k floppy

[Jason Taylor]

Kevin G. Eliuk wrote:
> Jason Taylor wrote:
> 
>> How do I format a 1680k floppy?  I tried:
>>
>> %fdformat -s 21,,,,80 /dev/fd0
>>
>> That just produces a line of errors.  That is EEEE... instead of 
>> VVVV....  I'm able to format the same floppy in Windows using WinImage.
> 
> 
> Are you sure you don't mean 1720k?  Look at "/etc/disktab" for stressing 
> a floppy.
> 

I'm sure.  I get the same results trying to create a 1720k.

%fdformat -f 1680 /dev/fd0
fdformat: unknown format 1680 KB for drive type 1.44M
%fdformat -f 1720 /dev/fd0
fdformat: unknown format 1720 KB for drive type 1.44M
%fdformat -s 21,,,,80 /dev/fd0
Format 1680K floppy `/dev/fd0'? (y/n): y
Processing E^C--------------------------------------
%fdformat -s 21,,,,82 /dev/fd0
Format 1722K floppy `/dev/fd0'? (y/n): y
Processing E^C--------------------------------------
%