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Re: Speed problems with PX-716A



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
> 
> Jörg
> 

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)

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:

  Does read CD-R media
  Does write CD-R media
  Does read CD-RW media
  Does write CD-RW media
  Does read DVD-ROM media
  Does read DVD-R media
  Does write DVD-R media
  Does not read DVD-RAM media
  Does not write DVD-RAM media
  Does support test writing

  Does read Mode 2 Form 1 blocks
  Does read Mode 2 Form 2 blocks
  Does read digital audio blocks
  Does restart non-streamed digital audio reads accurately
  Does support Buffer-Underrun-Free recording
  Does read multi-session CDs
  Does read fixed-packet CD media using Method 2
  Does not read CD bar code
  Does read R-W subcode information
  Does not return R-W subcode de-interleaved and error-corrected
  Does read raw P-W subcode data from lead in
  Does return CD media catalog number
  Does return CD ISRC information
  Does support C2 error pointers
  Does not deliver composite A/V data

  Does play audio CDs
  Number of volume control levels: 256
  Does support individual volume control setting for each channel
  Does support independent mute setting for each channel
  Does not support digital output on port 1
  Does not support digital output on port 2

  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)



-- 
Roberto Sebastiano <robs@multiplayer.it>



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