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GeoHot PS3 Hack Exploit SX28 Hardware Tutorial By Xorloser

1000°
232w ago - A few days ago xorloser propered the GeoHot PS3 Hack Exploit for all PlayStation 3 Firmware versions, and today he has detailed the required SX28 microcontroller hardware and shared the source code.

To quote: This post will deal with the hardware required to trigger the PS3 hypervisor memory access exploit. The purpose of the hardware is to stop the PS3 from saving a change to a value that we don't want changed. The PS3 saves this changed value by writing the value to RAM. Therefore in order to stop it from saving the changed value we need to stop this write from occurring.

The PS3 sends the write command to the RAM over some control lines, so we interfere with these control lines when the write command is sent. The result we want is having the PS3 think it has successfully written the value to RAM, but the RAM didn't receive the write command due to our interference and so it did not perform the write operation.

The easiest (and moderately safe) way to interfere with these control lines is to ground them. This is done easily enough by connecting a wire between one of the control lines and ground. The tricky part is timing it just right so that it only interferes with the write...
 
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