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![ps2 bios scph 70000 ps2 bios scph 70000](https://ps2.xyz/wp-content/uploads/2020/10/IMG_5041.jpg)
PS2 BIOS SCPH 70000 PATCH
However an exploitable bug was found in the writeconfig function which allows to write arbitrary data to the patch area, this allows to write a mechacon patch which disables the write protection on mechacon configuration bits and thus set specific regions and flags to mechacon. This is done to prevent an attacker or anyone outside of Sonys own factory to overwrite mechacon configuration. Normally the patch area is write protected and cannot be written to at runtime except while using PMAP in TEST mode (this requires soldering) furthermore the configuration area can only be written to when it is empty. How does it work The Dragon based MechaCon (SCPH-500xx and newer) store configuration flags and patches encrypted in their eeprom, the patch DES key was eventually bruteforced which allowed code execution on those units and for the full keystore to be dumped. Retail-DEX (Debug) will let you set a QA Flagged DEX configurationregion with a DEX machine ID of your chosing, this allows mechacon to read discs from all regions as well as masterdiscs (the retail option does not). Real DEX (non QA) flags have not been added to the public version of mechapwn for your own safety. The authors hold no responsibility when you break or damage your Playstation 2 console using this software.
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Disclaimer: DO NOT USE IT ON A REAL DTLDEX This sets the QA flag which forces the use of the retail keystore, this would break memory card compatibility.
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