Stephen Worthington wrote:

> >    The DVD-RW is connected as the master device on the second IDE channel.
> > It was set to auto in the BIOS, I have now not set this to PIO4 and on
> > loading it reports DMA4/PIO4.
>
> DMA mode 4 is Ultra DMA 66, which is right, as long as your IDE cables
> are good enough to support it.  PIO is definitely not good.
>

   OK, in the BIOS I only have auto and PIO settings - I'll set it back to Auto
then.

>
> >   How do I set "real-time priority" is that the
--priority setting ? in
> > which case what should I set the class and delta settings to ? (default is
> > 3,0).
>
> Priority 3 is real-time.  That should be sufficient, unless you have
> other programs running at real-time priority, in which case you could
> try changing the delta 0 value to something higher than the other
> programs are using.  But given that modern DVD burners have a fair
> amount of buffer RAM (2 Mibytes in the DVD-105) and the ability to
> handle underruns, what usually matters is having a bus-master DMA mode
> like DMA4 enabled.

There does not appear to be any parameter to enable any "safe burn" type
function. I have now added the parameter --priority 3,2 to see if that helps. I
have found that removing the speed parameter (I had set the speed to 2x) and
letting the program decide for itself (reporting up to 4.5X on this 4X drive)
seems to be better, however I still do get some failed burns.

> You might like to go to:
>
>   http://www.videohelp.com/dvdwriters
>
> and look up your drive.  There may be something there to help.  There
> is lots of user information as to what sorts of media work well.
>
> Also, take a look at:
>
>   http://pioneerdvd.rpc1.org/
>
> for region free and extra capability patched versions of firmware.
>
>

  thanks for these references, I will check them out. I believe my DVR-105 is
already region-free however I could be wrong.

Thanks again

Cheers/2

Ed.



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