[iyonix-support] Re : Re: USB hard drive

Hi Chris,

If you are not using LBA, under an ATA disk, you will not be able to access 
more than 7,8 GB of it, no matter the real capacity.  The limiting factor is 
the number of cylinders, heads and sectors per track that can be addressed 
(1024 / 255 / 63).

By using LBA, this limit can be by-passed and you can use the full capacity of 
the disk.  So, if your normally not doubling the capacity, just using the total 
one.

Best regards,

Gonzalo Meza

----- Message d'origine ----
De : Chris <chris@xxxxxxxxxxxx>
À : iyonix-support@xxxxxxxxxxxxx
Envoyé le : Jeudi, 22 Novembre 2007, 16h19mn 46s
Objet : [iyonix-support] Re: USB hard drive

Tim Powys-Lybbe <tim@xxxxxxxxx> wrote:
> Chris <chris@xxxxxxxxxxxx> wrote:

[Snip]
Question 2:  My hard-drive supports 'LBA' and, by selecting this in
DataSafe's formatter, I was able to almost double its capacity from 8
Gb to 15 Gb.  What is LBA and is there a downside to using it to
increase a drive's capacity in this way?

Thanks,
Chris.

-- 
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            Chris Bell, Wales, UK
  chris@xxxxxxxxxxxx       www.highpath.net
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