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DEBRIQUE psp


Scarface

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tu vas pas souvent sur maxconsole ordiman ...

 

New information has come to light on the official Sony PSP unbricker. According to internet reports, a gamer sent a bricked PSP to Sony who then returned it with a memory stick inside and contained a slew of files. As already established the memory stick is useless without a special hardware battery which accesses the battery pin that enables writing the IPL from the memory stick.

 

Contents of returned PSP Memory Stick

 

- Binary encrypted full NAND image.

- Required modules for system control for use by IPL of debug hardware.

- Logging module for debug log review (log is saved after full write).

A file used for testing that the system plays well (usually a demo of a PSP game).

 

Special Battery hardware specifications

 

- 1.1v-3.5v debug unit for connecting through the serial port in 3rd. battery pin.

- Transmission of data is UNENCRYPTED but uses a XOR algorithm for transmission (easily parsed and analyzed).

- Contains any number of IPLs (different ones for each motherboard revision (TA-XXX))

- IPL is loaded into the Kernel Memory. ME area seems most likely (IPL of the PSP is the same but missing 2 essential modules that the debug unit has).

- Contains ipl_mg_modules.bin and ipl_mg_nanddriver.bin

- IPL is encrypted in 3 stages. Easily decrypted to show stages, but not for decrypt each individual stage.

- Contains a 40x120 column TFT screen for display.

- Has a SERIAL port for PC connectivity.

- Seems to have a 32MB ROM IMAGE on Flash.

- 8MB of RAM.

- Nickel-Cadmium Battery Cell (possibly 76 hour battery life).

- AC/DC adapter port 15V.

- Contains 4 buttons (on/off, reset, connect/disconnect, menu).

- Arrow keys UP and DOWN for menu.

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