[ale] Questions about DVD-R

Dow Hurst dhurst at kennesaw.edu
Wed Sep 17 18:42:04 EDT 2003


Pizza,
What part of the below output is the part that tells about DAO versus 
TAO?  This is a LaCie external Firewire DVD that is supposed to write 
-R/-RW/RAM.  I haven't been able to use TAO mode.  The attempt fails 
with an error that I don't have at the moment to put here.  Thanks,
Dow


[root at knife-a root]# dvdrecord -prcap dev=0,0
dvdrtools v0.1.3
Portions (c) 2002 Red Hat, Inc.
Based on:
Cdrecord 1.11a15 (i386-redhat-linux-gnu) Copyright (C) 1995-2001 J?rg 
Schilling
scsidev: '0,0'
scsibus: 0 target: 0 lun: 0
Linux sg driver version: 3.1.24
Using libscg version 'schily-0.5'
dvdrecord: Warning: using inofficial libscg transport code version 
(schily-RH-scsi-linux-sg.c-1.69-RH-O_EXCL '@(#)scsi-linux-sg.c       
1.69 02/01/18 Copyright 1997 J. Schilling').
Device type    : Removable CD-ROM
Version        : 2
Response Format: 2
Capabilities   :
Vendor_info    : 'MATSHITA'
Identifikation : 'DVD-RAM SW-9571 '
Revision       : 'A111'
Device seems to be: Generic mmc2 DVD.
 
Drive capabilities, per 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 read CD bar code
  Does not read R-W subcode information
  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 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 in kB/s: 5645
  Current read  speed in kB/s: 5645
  Maximum write speed in kB/s: 2117
  Current write speed in kB/s: 1411
  Buffer size in KB: 2048

Stuffed Crust wrote:

>On Wed, Sep 17, 2003 at 10:54:51AM -0400, Jim Lynch wrote:
>  
>
>>OK, so maybe I jumped the gun and ordered a DVD-R, DVD-RW drive (Toshiba 
>>SDR-5002) before I asked the tough questions.  I think I've read enough 
>>to understand a little about the thousands of DVD formats out there.  If 
>>I understand correctly the dvdrecord software will not write session or 
>>tracks but has to write disk-at-once to DVD-R disks.  Is that right? 
>>What about CD-R, is it also limited to disk-at-once when writing a CD-R 
>>in a DVD writer?
>>    
>>
>
>DVD[-+]R[W] and CD-R[W] all have different quirks.
>
>cdrecord -prcap will tell you what the hardware is capable of.
>(or dvdrecord or whatever)
>
>My DVD-R drive (Optorite DD203) will do DAO/SAO/TAO with CDs just fine. 
>I haven't tried anything other than DAO with DVDs, as I've been filling
>up each disk to the brim.  :)
>
> - Pizza
>  
>
>------------------------------------------------------------------------
>
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>http://www.ale.org/mailman/listinfo/ale
>  
>

-- 
__________________________________________________________
Dow Hurst                  Office: 770-499-3428            *
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Kennesaw State University         Dow.Hurst at mindspring.com *
Kennesaw, GA 30144                                         *
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