Mail Archives: djgpp/2000/07/08/09:10:50
In article <200007080132 DOT HAA00918 AT www DOT midpec DOT com>, tr AT eth DOT net says...
> > >You could do that using the BIOS calls, or access the IDE controller
> > >directly (which is not a wise thing to do if you aren't familiar with
> > >it). Check out the interrupt 13h in the Ralf Brown's interrupt list.
> > >
> >
> > I've been looking through it and I havn't found anything about moving the
> > head to a specific track... maybe Im just missing it. Im not to worried about
> > damaging the hard drives, seeing as how they are torn all to peices
> > anyways... could directly accessing the IDE controller hurt the computer?
> > If someone could give me a snippet of code to send the head to track 'n'
> > I'd greatly appreciate it.
> >
> > I don't want to read any data (infact the platter will probably be removed),
> > and I need the operation to be fast because I need to switch between tracks
> > really really fast (to move the mirror Im gonna glue to it back and
> > forth).
>
> The "Disk Seek" is what you're looking for. It moves the head to a
> specific area without reading data. But most advanced drives don't let
> you seek unncessarily unless data is actually transferred.
>
> To access IDE drives directly, you could have a look at my "System
> Information" software sources available from:
>
> http://www.midpec.com/software.html
>
>
thanks for the info and for the time.
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