Re: Re: growisofs will not write at 8x with NEC 3540A
"Alexander Noe'" <alexander.noe@s2001.tu-chemnitz.de> wrote:
> "George P Nychis" <gnychis@cmu.edu> wrote:
>
> >> Sorry, I removed the alarm feature by getting the newest binary, I
> >> use gentoo and an old alpha binary was in portage. I don't get
> the >> alarm, but it still says writing at 6 speed:
>
> > Does it stay at 6x in the "verbose printing while writing" from
> > cdrecord?
>
> NEC has introduced a new feature with the 3540A model: When too many
> buffer underruns occur, it reduces the write speed. I can, on Windows
> XP, reproduce the problem that too many buffer underruns occur on this
> drive when using cdrecord-prodvd at 8x speed, so that it falls back to
> 6x speed right after the zone change to 8x.
As cdrecord meters the max DMA speed before accepting a write speed,
it seems to be unlikely that there are many buffer underruns.
Jörg
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EMail:joerg@schily.isdn.cs.tu-berlin.de (home) Jörg Schilling D-13353 Berlin
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