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SubjectRe: Disk Geometries reported incorrectly on 2.6.0-testX

On Sun, 30 Nov 2003, Andries Brouwer wrote:

> Just ask yourself this question: does Windows XP require a bootable
> partition to start below the 1024 cylinder mark?
> Windows NT4 has such a restriction. Not Windows 2000 or XP.

Wrong:
http://support.microsoft.com/default.aspx?scid=kb;en-us;282191

> > > Usually booting goes like this: the BIOS reads sector 0 (the MBR)
> > > from the first disk, and starts the code found there. What happens
> > > afterwards is up to that code. If that code uses CHS units to find
> > > a partition, and if the program that wrote the table has different
> > > ideas about those units than the BIOS, booting may fail.
> > Exactly.
> Good. We agree.

I'm glad also. So what actually [cs]fdisk do with the CHS entries in the
partition table? Ignore them? Might they convert a given partition start to
different CHS units if the partition entry was deleted then recreated at
the same cylinder?

AFAIS, parted tries hard not to break these [IMHO correctly], right Andrew?

Szaka
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