Five and quarter drives

From: Dwight K. Elvey <dwight.elvey_at_amd.com>
Date: Fri Feb 11 18:14:56 2005

Huh?
 When I step a 80 track drive on my tester, it goes
80 tracks. When I step 40 it goes 40. When a PC reads
a 360K disk on a 1.2M drive it double steps the tracks.
 Also, not mentioned is that I believe the rotation
rate is different for the two drive. (360/300 rpm or something)
Dwight


>From: "Steve Thatcher" <melamy_at_earthlink.net>
>
>the number of tracks is not going to distinguish between 360K and 1.2meg.
>Double density 40 track drives will be 360K (double sided) or 180K (single
>sided). An 80 track drive can be either a double density 720K drive (double
>sided - I don't know of any single sided 80 track drives) or a high density
>1.2meg drive.
>
>best regards, Steve Thatcher
>
>At 06:16 PM 02/11/2005, Dwight K. Elvey wrote:
>> >From: "Parker, Kevin" <KParker_at_workcover.com>
>> >
>> >
>> >Can someone refresh my memory please whether it was possible to visually
>> >tell 360K and 1.2MB 5 1/4 inch floppy drives apart (the drive that is,
>> >not the media).
>> >
>> >
>> >TIA!!!!
>> >
>> >++++++++++
>> >Kevin Parker
>>
>>Hi
>> Put the drive on a drive tester and sequence it out
>>40 tracks. If it only goes half way, it is an 80 track.
>>Dwight
>
>
Received on Fri Feb 11 2005 - 18:14:56 GMT