Re: CBM Drive Mechanisms

From: Richard Atkinson (
Date: 1999-08-09 19:59:44

On Mon, 9 Aug 1999, [ISO-8859-1] Marko Mäkelä wrote:

> > D9060     Tandon  TM-602S (5.0Mb)
> > D9090     Tandon  TM-603S (7.5Mb)
> Are you sure about the capacities?  I assume that with "b" you mean "B"
> (byte), not bit.  But I thought that third digit in the model number would
> refer to the capacity in megabytes.  Converting the figures given by you
> from real megabytes (2^10 bytes) to disk manufacturers' fake megabytes
> (10^6 bytes) does not yield that much capacity, only 5.2*10^6 bytes and
> 7.7*10^6 bytes, respectively.

It could refer to the number of platters in the drive, or maybe the number
of surfaces / heads. Either way, it's reasonable for the larger drive to
be about 3/2 times bigger than the smaller drive.


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