| From: | Blasio Muscat |
| Date: | 4 May 2001 at 08:47:19 |
| Subject: | Re: 40GB HD missing 25% ????? |
wrote:
> However, the real size of the disk should be calculated from the
> physical setup on the disk (cylinders, heads, sectors, etc). It's
> possible that HDToolbox got those wrong (it gets nearly every other
> size wrong :). You could try redefining the disk and putting the
> proper values in, which you'd get on the manufacturers website I
> would think.
AFAIR HD's do not report the actual physical layout of the drive, not
any more at least. Cylinders, heads etc are simple chosen such that
the resulting total number of blocks is the same as that available on
the drive. Hence I think HDToolbox simply guesses at the numbers
after it finds out the number of blocks available off the drive. I
think I read this somewhere in it's docs, but it could have been off
some lecture notes as well, so dunno.
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