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[Ignazio Palmisano]

Derek Broughton wrote:
> Ignazio Palmisano wrote:
> 
>> The 500GB is probably measured "industry-style", i.e., 500 billion bytes
>> (5 x 10^11 bytes - hope I got the numbers right). Considering that the
>> real factor is 1024 instead of 1000, 500 gb declared = 476 gb real
> 
> Aargh.  How many times do we have to repeat: that is NOT "industry-style", 
> it's ISO standard.  The "real" factor would be 1024 if the size was given as 
> 500GiB.  It's only confusing because people insist on saying "500 gb 
> declared = 476 gb real".

Sorry for attributing marketing intentions to producers.
So it is 500 GB = 476 GiB, right? Then another ~20 gigs being used 
between partition table and file indexes for the various partitions. I 
guess that accounts for the size Steven is seeing.
I.

> 
> In any case, its never been true of disks.  The numbers manufacturers report 
> are "unformatted", and no disk ever sold has actually been able to store 
> that many bytes once formatted into cylinders, tracks and sectors.