Re: IDE disk and HPA

From: Alan Cox
Date: Fri Jul 22 2005 - 09:23:54 EST


> Do I interpret it right that the following is done in the above function:

Aside from the version in most kernels being buggy yes

> My question is now: why is an HPA disabled i.e. disprotected when detected?
> Why not let the HPA alone, because a certain set of disk sectors shall not be
> accessible by the OS?

Because the HPA is most commonly used to hide all but a fraction of a
disk to work with older BIOSes.
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