--- Guy Van Sanden <[EMAIL PROTECTED]> wrote:
> Hello
> 
> How can I enable DMA on an IDE writer in Linux?
> I need SCSI-emulation to use the writer, but that disables DMA.
> 
> It seems that my 16X CDWriter cannot write at that speed without DMA. 
> It only
> works at 12X, and uses up a lot of CPU resources.
> Is there any way to switch DMA back on?
> hdparm refuses because it sees a SCSI device.

Why do you think that the drive can't write at 16X without DMA?

Have you looked at the man page for hdparm?  I see a number of options
that may help, such as -E which sets a CDROM drive speed.  I'd say
before you mess with any hdparm settings you see what the current
settings are (-v) and what the drive is capable of (-i).



=====
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Lonni J. Friedman                          [EMAIL PROTECTED]

Linux Step-by-step help:           http://netllama.ipfox.com

                                                 .

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