Re: 1541-IDE

From: Marko Mäkelä (
Date: 2009-02-05 09:42:51

Hallo Ruud,

On Thu, Feb 05, 2009 at 09:25:39AM +0100, wrote:
> Oh, I didn't know you can set the size of a partition. Then what is the
> maximum size in free blocks?
> I fixed it to 65536 sectors but track 0 and 255 cannot be used.

Why can't track 255 be used?  Track 0 is obvious: it identifies the last
block in a file.  But what is special about track 255?

> Second question: what are the advantages of using variable sized partitions?
> FYI: I can create 4096 partitions of 16 MB on a 128 GB drive.

Hard drives must have grown 1,000 to 10,000 times larger since the
CMD HD was developed, don't you think?  It was funny when I searched
my junk piles last week when resurrecting an old PC that a neighbour
gave me.  I told my 5-year-old son that the tiny 2GB SD micro card in my
bicycle GPS has twice the storage capacity as an 3.5" ATAPI hard disk
from 1995.  (In the 1990s, I would have found it unbelievable to have
a navigator on my bicycle, but that is another matter.)


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