Re: burning a CD
On Sat, 2003-09-27 at 20:37, Bijan Soleymani wrote:
> On Sat, Sep 27, 2003 at 08:15:01PM +0200, David Fokkema wrote:
> > On Sat, 2003-09-27 at 19:42, Bijan Soleymani wrote:
> > > On Sat, Sep 27, 2003 at 04:21:09PM +0200, Benedict Verheyen wrote:
> > > > Op vr 26-09-2003, om 02:17 schreef Carla Schroder:
> > > > > If it's Office 2000 or older, a simple disk copy will work. If it's XP, I
> > > > > don't know. If an ordinary disk copy does not work, try the dd command, as
> > > > > it does a literal byte-by-byte copy. This should take care of any
> > > > > odd/hidden/sekkrit bits.
> > > >
> > > > Not always. I tried dd once to make copy of a game i have and a program
> > > > (both legitimate copies of mine :) ) and after dd'ing and cdrecording
> > > > them, the copies where no good.
> > > > They were also for a win platform so there might be some parameters you
> > > > have to add for that to cdrecord, i'm not sure. But i've always wondered
> > > > why it worked with cdclone and not with the linux tools.
> > >
> > > I remember that some CDs of windows software (especially games) used
> > > certain tricks to make sure you didn't copy them (the game could detect
> > > if they were running off a copied cd). And you had to patch your
> > > executable to be able to run them.
> >
> > Using readcd I copied a game which had a copy protection under windows.
> > If you sequentially read the whole disc (as cd copy programs do) you
> > would notice that certain sectors had medium faults. Every windows
> > program my friends had tried aborted with tons of error messages. Readcd
> > on linux also aborted. However, telling readcd to ignore errors and only
> > retry three times I ripped an iso off the disc. Burning that to cd was
> > of course no problem and then I had an identical copy. Well, not
> > completely identical, since I didn't have the medium errors.
>
> And I think that some games might have checked for the medium errors or
> something like that :)
Yes, I was thinking of that, too. However, I think that this would slow
down the startup a _lot_, while windoze is trying to recover from that
error.
David
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