tape drive formats

[John Boteler]

>From article <114 at csnz.co.nz>, by paul at csnz.co.nz (Paul Gillingwater):
> Hi,
> in a low density drive, so we tried a standard DC600A.  The FM says that 
> ordinary DC600's can be used, but they're formatted in double density,
> to achieve 120 Mb capacity.  Does anyone know a way of forcing tar or

While your brains are on the subject, just what is the difference
between the 600, 600XL and 600A tapes? 

I understand that they each provide a different capacity, but since
the SCO system I have seen operate on them does not format them,
what is the determining factor? Is there a rule of thumb (you
know, like a standard :)

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