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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