Re: Slowing down CDROM drives (was: Re: ATAPI CDRW which doesn't work)

From: Alan Olsen (
Date: Sun Feb 11 2001 - 15:21:43 EST

On Sun, 11 Feb 2001, Jens Axboe wrote:

> On Sat, Feb 10 2001, Pavel Machek wrote:
> > > ioctl(cd_fd, CDROM_SELECT_SPEED, speed);
> >
> > Does this actually work? I helped my friend with partly broken cdrom
> > (worked only at low speeds) and it did not have much effect. It did
> > not make my cdrom quiet, either, AFAI can remember.
> It's no news that vendors only implement what they want to. New
> cd-r/w and dvd drives are not required to implement this command,
> so it may not work there either.

Take a look at the code for cdparanoia or one of the other MP3 ripping
programms. Slowing down the drive is a standard feature for that type of
program. (Reduces errors when pulling audio tracks off the disc.) | Note to AOL users: for a quick shortcut to reply
Alan Olsen | to my mail, just hit the ctrl, alt and del keys.
    "In the future, everything will have its 15 minutes of blame."

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This archive was generated by hypermail 2b29 : Thu Feb 15 2001 - 21:00:17 EST