From owner-freebsd-questions  Wed Feb  2  5:48:31 2000
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Date: Wed, 02 Feb 2000 07:39:38 -0600
From: Scott Johnson <tmtowtdi@mailandnews.com>
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Subject: Re: IDE CD-R Drives
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Mark Szlaga wrote:
> 
> Greetings,
>    I own a CR-2801 CD-R drive, and would like to use it under FreeBSD.
> With Linux there was the IDE-SCSI drivers, which made the ATAPI drive
> act as a SCSI device.  Is there any paralell in the BSD kernel?  Or
> is there application software to allow me to access this drive.

Under FreeBSD there is support for IDE CD-RW's, without a scsi emulation
layer. In /usr/share/examples/atapi you'll find example scripts written
by the maintainer of atapi-cd.c:

#!/usr/local/bin/bash  # :-)
device=/dev/r$1
wormcontrol -f$device prepdisk double
wormcontrol -f$device track data
dd if=$2 of=$device bs=20k
wormcontrol -f$device fixate 1 onp

Called as `burndata acd0c image` it should work. The burnaudio script is
just as simple:

#!/usr/local/bin/bash
device=/dev/r$1
wormcontrol -f$device prepdisk double 
shift
for f in $*
do
        echo Burning file $f
        wormcontrol -f $device track audio
        wormcontrol -f $device nextwriteable
        dd if=$f of=$device bs=2352
done
wormcontrol -f $device fixate 1 onp

The racd?? device is just a raw character interface to the device, and
any tool (tar, for instance) which works with such devices can be used
after you've prepared the disk with wormcontrol(8), which controls the
device-specific functionality of the drive. Do not be confused: forget
any references you may come upon to `/dev/worm0' or worm(4)! They are
obsolete.

Scott Johnson


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