>High level format only erases the directory structure of the hard disk,
>essentially making your Mac think the hard drive is empty. (All the data
>is stillactually on it, you Mac just can't see it and will write right
>over it)
>A low level format will pysically write a zero sector to the data on your
>drive, in effect returing it to the state it was in when the drive was
>brand new withNO data on it. Data ANNOT be recovered after performing a
>low-level format.
>A 1.8GB drive takes approx. 1.5 hrs to low-level and zero all data on a
>Performa6400/180, so I'd say about 2 hours for the format on a 2gb drive.
>(This is all dependent on the drive speed, mine was a 7200 RPM IDE).
>
>-Josh Allen
Is a low-level format the same as what Norton Utilities does when you ask
it to wipe a drive? And is it the same as what Drive Setup does when you
ask it to initialize a drive? If not, how does one perform a low-level
format to zero all data on a drive? --Art Sable.
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