Andrew Udvare <audv...@gmail.com> wrote:

> PS1 and PS2 games can be checked without special hardware in this case,
> but for others, specific hardware is required.

Games on DVD are a general problem as I expect them to contain intentionally 
"unreadable sectors" that can neither be distinct from unreadable sectors 
because of damage nor re-created while burning a new medium.

The background is that there is too few information on the low level DVD format 
and in special as there are only secret vendor specific SCSI commands that 
would allow to deal with this kind of intentional damage.

AFAIK, there was a tool from a German who did later leave Germany for legal 
reasons who made a software called "clonedvd" that could do the job for some 
drives on Win-DOS.

Jörg

-- 
 EMail:jo...@schily.net                    (home) Jörg Schilling D-13353 Berlin
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