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Written on Disc:

Electric Adjustment Disc

Final / Translation:

Production Trial

Disc ID:

Written on Disc:



Used to factory check the UMD drive. It contains Junk data only and cannot be read!

"Those were used to test raw sector reads of the UMD drives in service centers (in conjunction with a specific JIG memory stick in service mode on the psp) You can read these UMDs by putting the drive in TEST mode and reading sectors from the UMD controller's memory. (it'll be either encrypted or garbage, if encrypted, you need the right set of idstorage keys to decrypt the AES portion of it using the spock cmd 0x09 key) The encrypted discs usually contains dummy data which the JIG checks for." - mathieulh


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