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Re: Speed problems with PX-716A



Roberto Sebastiano <robs@multiplayer.it> wrote:

> Il giorno sab, 29-01-2005 alle 01:08 +0100, Joerg Schilling ha scritto:
>
> > If your drive does not support to write at speed 4x, you cannot.
> > See man cdrecord and cdrecord -prcap

> The Nec 3500 supports dvd-r writing up to 16x (16x, 13x, 12x, 8x, 6x,
> 4x, 2x)
>
> With growisofs the drives writes correctly at the selected speed (tryed
> 8x, 6x, 4x)

Please prove this via a useful cdrecord -prcap output.

> Here is the output of cdrecord-Prodvd -prcap (that, btw is incorrect,
> but it lists 4x as a choice, and I remember you from the previous post
> that cdrecord-ProDvd always writes at 6x ..)
>
> newdeal:/home/robs# cdrecord-dvd -prcap -dev=/dev/hdc
> Cdrecord-ProDVD-Clone 2.01.01a01 (i686-pc-linux-gnu) Copyright (C)
> 1995-2004 Jörg Schilling
> Unlocked features: ProDVD Clone 
> Limited  features: 
> This copy of cdrecord is licensed for:
> private/research/educational_non-commercial_use
> cdrecord-ProDVD: Warning: Running on Linux-2.6.10
> cdrecord-ProDVD: There are unsettled issues with Linux-2.5 and newer.
> cdrecord-ProDVD: If you have unexpected problems, please try Linux-2.4
> or Solaris.
> scsidev: '/dev/hdc'
> devname: '/dev/hdc'
> scsibus: -2 target: -2 lun: -2
> Warning: Open by 'devname' is unintentional and not supported.
> Linux sg driver version: 3.5.27
> Using libscg version 'schily-0.8'.
> Device type    : Removable CD-ROM
> Version        : 0
> Response Format: 2
> Capabilities   : 
> Vendor_info    : '_NEC    '
> Identifikation : 'DVD_RW ND-3500AG'
> Revision       : '2.17'
> Device seems to be: Generic mmc2 DVD-R/DVD-RW.
>
> Drive capabilities, per MMC-3 page 2A:

>   Loading mechanism type: tray
>   Does support ejection of CD via START/STOP command
>   Does not lock media on power up via prevent jumper
>   Does allow media to be locked in the drive via PREVENT/ALLOW command
>   Is not currently in a media-locked state
>   Does not support changing side of disk
>   Does not have load-empty-slot-in-changer feature
>   Does not support Individual Disk Present feature
>
>   Maximum read  speed:  8467 kB/s (CD  48x, DVD  6x)
>   Current read  speed:  8467 kB/s (CD  48x, DVD  6x)
>   Maximum write speed:  8467 kB/s (CD  48x, DVD  6x)
>   Current write speed:  8467 kB/s (CD  48x, DVD  6x)
>   Rotational control selected: CLV/PCAV
>   Buffer size in KB: 2048
>   Copy management revision supported: 1
>   Number of supported write speeds: 6
>   Write speed # 0:  8467 kB/s CLV/PCAV (CD  48x, DVD  6x)
>   Write speed # 1:  7056 kB/s CLV/PCAV (CD  40x, DVD  5x)
>   Write speed # 2:  5645 kB/s CLV/PCAV (CD  32x, DVD  4x)
>   Write speed # 3:  4234 kB/s CLV/PCAV (CD  24x, DVD  3x)
>   Write speed # 4:  2822 kB/s CLV/PCAV (CD  16x, DVD  2x)
>   Write speed # 5:  1411 kB/s CLV/PCAV (CD   8x, DVD  1x)

It is _extremely_ unlikely that you had a useful DVD medium
in the drive...

Jörg

-- 
 EMail:joerg@schily.isdn.cs.tu-berlin.de (home) Jörg Schilling D-13353 Berlin
       js@cs.tu-berlin.de		(uni)  If you don't have iso-8859-1
       schilling@fokus.fraunhofer.de	(work) chars I am J"org Schilling
 URL:  http://www.fokus.fraunhofer.de/usr/schilling ftp://ftp.berlios.de/pub/schily



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