Unable to force wodim to write a CD at 2X speed

[Mikkel L. Ellertson]

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On 08/26/2012 12:05 PM, JD wrote:
> On 08/26/2012 10:35 AM, Mikkel L. Ellertson wrote:
> On 08/25/2012 09:49 PM, JD wrote:
> >>> using driveropts=forcespeed speed=2 .....etc does not work
> >>> using ... speed=2 ..... does not work
> >>>
> >>> wodim always writes at the medium's encoded speed, which
> >>> ranges from 10X to 24x.
> >>>
> >>> However, using speed=2 on DVD media DOES work.
> >>>
> >>> Here is the content of /etc/wodim.conf which I gleaned from
the web.
> >>>
> >>> CDR_DEVICE=/dev/sr0
> >>> CDR_SPEED=2
> >>> CDR_FIFOSIZE=128m
> >>> DVDR_DEVICE=/dev/sr0
> >>> DVDR_SPEED=2
> >>> DVDR_FIFOSIZE=128m
> >>> TS=128
> >>> GRACETIME=10
> >>>
> >>>
> >>>
> Do you have blank CDs that will burn at 2x? The blank CD media that
> will burn at 2x is different then the media that will burn at +4X.
> Also, a lot of newer drives will not burn CDs at slower the 4x. DVD
> burning is different - a 2x DVD speed is not the same as a 2x CD
speed.
>
> Mikkel
> -- Do not meddle in the affairs of dragons, for thou art crunchy and
> taste good with Ketchup!
>>
> I have tried it on many different blank cd media, old ones and new
ones.
>
> But how is it that I can burn at 2x on any blank DVD media?
> I have used many different brands of DVD media over the years
> and I have always been able to burn them at 2x.
> So, I don't believe it is the cd media.
> It could very well be wodim itself.
>
DVD burn speed is not the same as CD burn speed. This is why you
have both CD and DVD speed specs on drives. When it comes to CDs,
there are two different blank formats. You have the 1x to 4x and the
4x to ?x. You can not burn the 1-4x at faster then 4x. You can not
burn the 4x-4x+ CDs at slower the 4x. This has NOTHING to do with
DVD burning speeds.

Check your drive CD burning speeds and CD blank speeds. See if they
are rated to burn at slower then 4x. If not, then regardless of the
software, you are NOT doing to be able to burn CDs slower then 4x.
Again, this is different then DVD burn speeds.

You may want to do some research on burning CDs and DVDs so that you
understand the difference. You will probably discover that your
hardware will not burn CDs at slower then 4x.

Mikkel
- -- 
Do not meddle in the affairs of dragons, for thou art crunchy and
taste good with Ketchup!
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