[ltp] Re: Backing up the Predesktop Area?

Georg Sauthoff linux-thinkpad@linux-thinkpad.org
Fri, 21 May 2004 16:21:24 +0200


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On Friday 21 May 2004 13:58, Marius Gedminas wrote:

Hi,

> On Thu, May 20, 2004 at 10:01:00PM +0200, Georg Sauthoff wrote:
> > The HPA begins right after the last sector available, if the Protection
> > is enabled in the BIOS.

> My BIOS (Thinkpad T23) does not have an option to disable the HPA, so I
> have to append hda=3Dstroke to the kernel command line in lilo.conf to
> access it.

hm interesting, I didn't find that parameter documented in linux-2.6.4. Wit=
h=20
which kernel you can use that parameter?

> > So you have to use '/dev/hda' as 'if' and the 'skip' option.

> Can you ask dd to seek to a given position in the input file rather than
> reading and discarding ~40 gigs of data that is done if you specify
> 'skip'?  AFAIU 'seek' only works on the output file.

The 'skip' don't mean, that 'dd' read the skipped stuff. That wouldn't make=
=20
any sense. 'dd' do of course seeking. If you are curious, just look at the=
=20
code.

Regards
Georg Sauthoff

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