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Re: Unbelievable slow speeds when burning DVDs

Vasileios Gkanis <gkanis@cems.umn.edu> wrote:

> Unfortunately, this is a laptop and I can not change the IDE cables.
> The good thing is that I burned a DVD with Cdrecord-ProDVD and the maximum 
> speed was 2.3x and the average speed was 2x. Now, I do not want to be greedy 
> here, but since the driver can burn up to 8x and the disc supports 16x, why 
> the speed remained at 2x.
> I have a similar problem in Windows (Nero), where the speed is about ~4x, and 
> I am talking with the manufacturer about it.

cdrecord has a special option for this case: -immed (see man page)

> On Wednesday 13 July 2005 08:34 am, Bill Davidsen wrote:
> > Vasileios Gkanis wrote:
> > >>Is DMA enabled on the burner? hdparm /dev/hd...
> > >
> > >Yes DMA is enabled
> >
> > If you have the HD and the burner on the same IDE cable they *may* be
> > interfering with each other. If you can try putting the burner on
> > another cable it would give you a data point, and might help.


 EMail:joerg@schily.isdn.cs.tu-berlin.de (home) Jörg Schilling D-13353 Berlin
       js@cs.tu-berlin.de		(uni)  
       schilling@fokus.fraunhofer.de	(work) Blog: http://schily.blogspot.com/
 URL:  http://cdrecord.berlios.de/old/private/ ftp://ftp.berlios.de/pub/schily

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