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Differences between Xbox OG silvers/confidential discs

kennypecheur

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kennypecheur
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Hi all,

Recently, I have been able to get a bunch of Xbox Original review / preview discs from a former video game magazine employee.

In the lot, there is many different kind of discs : Microsoft confidential, Other kind of Pressed discs, Burned discs,....

I was able to play some of them on a retail xbox, but some of them are only playable on a xbox debug unit.

The burned ones can obviously not be played on a standard xbox, but I try to understand why some pressed discs can be played on a retail unit and other not.

For example, the three discs bellow seems to be the same kind of pressed discs. I have been able to play the discs on the first picture but not the one on the second picture.

IMG_20200815_112424.jpg

IMG_20200815_112503.jpg

Does anybody knows if there are some specific rules regarding which disc can or can not be played on a retail unit ?

When putting the Ninja Gaiden disc on a retail system, I got the message below :

IMG_20200812_154238.jpg

Sorry if my questions can sound stupid but I am really not familiar with these discs.
 

Dink

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From what I understand, the Microsoft Confidential discs are pressed like retail discs and are signed by Microsoft themselves which explains why they can run on retail hardware. While the other burned / pressed discs were made by the developers and still have the test certificates which means they can only run on dev hardware (or maybe even a modded xbox too). The Ninja Gaiden disc might also have a test certificate or just simply has an incorrect track layout as mentioned above. Are you going to dump these though? These discs look pretty cool!
 

kennypecheur

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Thanks guys for your answers. That incorrect track layout may indeed be a reason, thanks for this information ! :)
 
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