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,--[ On Wed, Nov 14, 2007 at 10:02:16PM +0530, SRIKANTH NS wrote:
| 
| Hi All ,

Hi,

| 
| I have a triple boot system (Win98, Debian 4.0, Ubuntu7.10) with 80GB HDD,
| 256 MB RAM.
| 
| I purchased a Sony DVD Writer today (technical name recognised in windows
| given above). I did not have any hope of this DVD RW being recognised in
| Win98. But when I booted into Debian, through the messages scrolling I could
| see the DVD RW message scrolling (/dev/hdc).
| When I put a Dual layer DVD into this drive , the DVD was not reading. (
| mount /media/cdrom1 ---- no medium found ) Since it was not reading, I did
| not venture into burning a DVD with this. I googled for Drivers for this DVD
| Writer. All I got was the shopping details of this DVD Writer without any
| driver details.
| Same case in Ubuntu 7.10 also. I thought the  linux distros being very
| recent, the DVD writer should work out of the box, but it did not. What is
| wrong ?

You can figure out what your DVD drive is capable of by executing following:

- ----8<----8<----
abbe [~] chatteau $ sudo wodim -prcap
Device was not specified. Trying to find an appropriate drive...
Detected CD-R drive: /dev/cdrw
Using /dev/cdrom of unknown capabilities
Device type    : Removable CD-ROM
Version        : 5
Response Format: 2
Capabilities   : 
Vendor_info    : 'TSSTcorp'
Identification : 'CD/DVDW SH-S182F'
Revision       : 'SB01'
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 read DVD-RAM media
  Does 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:  8468 kB/s (CD  48x, DVD  6x)
  Current read  speed:  8468 kB/s (CD  48x, DVD  6x)
  Maximum write speed:  8468 kB/s (CD  48x, DVD  6x)
  Current write speed:  8468 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: 0
- ----8<----8<----

In case 'wodim' is not there, install 'wodim' package. I tried this on
Gobuntu 7.10 .

| Is there any hope of reading dual layer dvd's in linux with this drive ? Or
| should I consider Rs 1400 as gone down the drain?
| Any help is welcome.
| 
| NS Srikanth

HTH
- -- 
Ashish Shukla आशीष शुक्ल                      http://wahjava.wordpress.com/
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