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From: "Nicholas Berry" <nikberry@med.umich.edu>
To: "<Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>
Subject: Re: Burning a CD image slow down my connection
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>Hi
>
>> Hmm, /dev/cdrom would typically be a link. You might try to apply hdparm
>> to where the link points to, but I cannot really believe hdparm doesn't
>> follow links.
>
>yes it's a link to /dev/scd0 and I CAN mount it, because my IDE cdrom is
>seen as scsi. In lilo.conf I've this line: append="hdd=ide-scsi
>hdc=ide-scsi" (read CD-WRITING HOWTO for more information)

To re-iterate a previous answer, you must run hdparm against '/dev/hdd',  _not_  '/dev/scd0'.