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Posted by Jan Willem
Posted on 04/09/02 17:06
Number of views 7369
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BW Image verification & Burning
 

Image verification:

This is completely out of the blue. Image verification is a unique feature of BW that enables it to run through the generated CD image and check whether everything went OK during the extraction process.



Apart from the image consistency, BW also checks for read errors, weak sectors etc (which indicate the kind of protection scheme used) and finally gives recommendations as to what writing method and options should be used. If everything checks out OK you will get a and you'll be able to continue with the burning procedure. Otherwise you will be recommended to stop the writing process since writing will fail.

If weak sectors are encountered the user will be advised to use the 'Enhance weak sectors" feature of BW, and RAW DAO as the burning method. In the case of an inconsistent/partial image, the user will be prompted to use the 'Recover from partial image" function of BW.

All in all, the image verification function of BW is very useful and makes up for the lack of a reading log file, such as the one CloneCD uses.


Burning the image

This is the final window before the actual burning process. Here the user encounters a few more parameters he has to set before burning the image:



First of all comes the selection of the writing mode. BW supports the following methods (as it is mentioned in the BWS Manual):

  • DAO PW - Supports ANY kind of CD scheme. The best of all.
  • DAO TEAC - A cousin to DAO PW, only available on TEAC55 units or clones.
  • DAO PQ - A good alternative to DAO PW - Doesn't support CD-TEXT or CD-G+D
  • SAO RAW RW - Doesn't support fake TOC (the unit returns error 05 24 00), doesn't support special Subcode schemes.
  • SAO RAW - Supports only uncorrected writing - not so bad in fact, it's still OK in most cases.
  • SAO COOKED - This last mode is a "compatibility" mode, which isn't RAW. So it doesn't produce working copies of copy-protected CD's, but still produces normal CD's as any other CD recording application.

    According to the BWS developers, these writing modes should be used according to the following table:


    Click on table to enlarge


    What is interesting is that according to the BWS developers SAO should in some cases be used instead of DAO as it produces 'more readable CDs" (quoted from BWS Manual):

    'As DAO mode is clearly the best available, one could think that this mode should be used anytime. It may, but that's not the best. The complete technical issue is rather complex and out of the purpose of this user manual. In the facts, The DAO mode produces CD's with less readability than the SAO mode. For short, the data sent to the laser head is more accurately timed, and the power calibration of the laser head is more accurate with a SAO writing mode. That makes CD's easier to read, and sharper.

    As a conclusion, if you know what's needed to reproduce a given CD (special subcodes or not), using SAO as often as possible is a better choice."


    This is something that has been discussed in the forums in the past, but no conlusion was reached as for what reason writing in RAW-DAO would procude less readable CDs compared to SAO.

    The 'Enhance weak sectors" option available in BW is somewhat similar to the 'Amplify weak sectors" option of CloneCD. It should be used if the used drive doesn't support 'correct EFM encoding of regular bit patterns'.

    The burning process starts by pressing the 'Go" button:



    During the writing process the program provides the user with on time information about the burning speed and remaining time. After the writing process is finished another screen pops up which provides an event log of the writing process.



    The user is able to save the log file if he wants to, although I found no reason to. Pressing 'Next" will get you back to the first BW window, while ticking the will delete the image used for the burning process.

    To wrap this review up, our conclusion of the software is on the next page
  • Want to submit your own review? Click here
    Very good first review, Hemispasm. Too bad the images aren't as good as the review. :)
    I have had some probs with BW when backing up PSX games. The backups have had problems while CloneCD has produced clean results. Reader:Plex32 Writer:TDK 121032 (Plextor-made)
    Hey i use both BW and CCD, both are good! Sometimes it only forgets to unlock the drive so i have to reboot before i can use my CDrom again :)
    I have been using it for years and it is a little gem. Plus, the developers, who really treated this more like a hobby for a while have finally taken it seriously and we should expect even better things from them now.:7
    Agreed.
    I have been using this program for a long time, but for ages Clonecd has been ahead in reading/writing copy-proteted cd's I kinda forgot about it, but I often use it for heavily scratched/unrecoerable cd's.
    blindwrite kicks azz :)

    been advising it to alot of people in the last years
    and i NEVER had a complain about it afterwarths
    i'm a newbie,can i use Blindwrite or CloneCD to back up my copyprotected DVD'S I've got a DVD burner and easy CDcreator5
    Sorry for some of the pics, Photoshop ain't my thingy ;)

    Nope, you can't use neither BlinWrite nor CCD for backing up your protected DVDs Stu11, sorry :)
    These programs are for backing up protected game CDs only. If you have a DVD related question, you can always drop by the DVD forum in CDFreaks to ask ;)
    That is here
    [url]http://club.cdfreaks.com/forumdisplay.php?s=&forumid=32[/url]

    As far as BlinWrite is concerned, you can all post your opinions and experiences here
    [url]http://club.cdfreaks.com/showthread.php?s=&threadid=53408[/url]
    For copying DVD's, or everything in general, you should consider Alcohol 120%
    -Does both protected Cd's and DVD's
    -Has a Daemon Tools clone embedded (supporting up to 31 virtual CD's).
    - the final version, due in a few days, will also include basic premastering.
    - Multiple burners support.

    AFAIK its only cons currently is the slow read speed with a few devices (to be fixed soon), and its ugly pink color. Leavin' that aside both Clone and BW suite have a lot to envy and nothing to boast about over this one.
    How does it stand up to SecuROM/New will it make a working backup: Toshiba XM-6702B reader Writers Lite-on 40125S HP 9310i
    blindwrite is a pain in the 4ss.
    What do you think? Leave your comments!

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