Re: NEC ND-3520A - Speed issues in cdrecord-prodvd and growisofs
Wonder if Joerg and/or Andy will comment on this? Like using get_performance
instead of mode_sense would work all devices? Does it have any drawbacks?
Maybe a link to RTFM? :)
Regards,
ismail
On Saturday 19 March 2005 17:09, Rodney Gordon II wrote:
> On Saturday 19 March 2005 07:17 am, Alexander Noe' wrote:
> > Rodney Gordon II wrote:
> > > I recently picked up a NEC ND-3520A and I am having speed problems with
> > > this drive under linux. A quick "just to make sure" test in WinXP shows
> > > that these errors are indeed specific to cdrecord-prodvd and growisofs.
> >
> > NEC 35x0 drives report crap answers on mode_sense page 2A when DVD media
> > is mounted. The available write speeds on DVDs can only be requested
> > using get_performance.
>
> OK, good to know. Any way around this?
>
> > cdrecord-prodvd relies on mode_sense at the moment, meaning that it
> > cannot work with this drive, and growisofs seems to be untested...
>
> cdrecord-prodvd only tries to burn at 6x, which means it's basically
> useless.
>
> growisofs is a _little_ more compatible. With some discs, it'll let me
> choose a speed, and it'll actually work -- others, I can only choose
> certain speeds. See my thread on cdfreaks for more information about this
> problem: http://club.cdfreaks.com/showthread.php?p=917047
>
> > > GET [CURRENT] CONFIGURATION:
> > > Mounted Media: 1Bh, DVD+R
> > > Media ID: PRODISC/R03
> > > Current Write Speed: 6.1x1385=8467KB/s
> > > Write Speed #0: 6.1x1385=8467KB/s
> > > Write Speed #1: 5.1x1385=7056KB/s
> > > Write Speed #2: 4.1x1385=5645KB/s
> > > Write Speed #3: 3.1x1385=4234KB/s
> > > Write Speed #4: 2.0x1385=2822KB/s
> > > Write Speed #5: 1.0x1385=1411KB/s
> >
> > get_configuration is not a command to obtain available write
> > speeds with... which feature number is that supposed to be?
>
> Hahaha, feature? I have no clue.. all I know is that this is what the drive
> reports...
>
> Thanks for the reply.
>
> -r
>
> --
> Rodney Gordon II (meff) | meff <at> pobox <dot> com
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