3.5" drives (720,1.44 or 2.88)

From: Mike <kenziem_at_sympatico.ca>
Date: Mon Aug 4 19:37:01 2003

On Monday 04 August 2003 20:03, Fred Cisin wrote:
> On Mon, 4 Aug 2003, Mike wrote:
> > Is there a quick and easy way to tell them a part?
>
> Look for the media ID sensor.
> Look for the drive model number.
> install it, and see what it does.
>
> > In a previous thread on separating 5.25 drives there was mention of
> > testing for the number of sectors. Does someone know where such a
> > program may be located?
>
> NUMBER OF SECTORS???????
> Drives don't have sectors.
>

Sorry in the earlier post Tony was referrring to head steps rather than
sectors

>> The method I use is to hook the drive up to an exerciser and check for
>> (a) the number of head steps between the limits (40 -> 360K, 80 ->
>> possible 1.2M, but maybe a standard data rate only drive, giving 720K on
>. a pC). And (b) the index timing -- can the thing give 6 index pulses per
>> second (360rpm) or not?
>>
>> I find this to be the most reliable way of distinguishing between
>> different drives...
Received on Mon Aug 04 2003 - 19:37:01 BST