Editing Unlocking the 8th SPE
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You should be familiar with the fact that the playstation 3 has 7 enabled SPEs (one is | You should be familiar with the fact that the playstation 3 has 7 enabled SPEs (one is dedicaced to isolation) and 1 disabled SPE to increase the yield effectiveness during manufacturing. | ||
Upon startup, the syscon firmware will read the Syscon's EEPROM value located at 0x48C30 (You can read/write to that offset through the Update Manager) and will set the cell config ring accordingly. (it gets sent by Syscon through the SPI bus) | Upon startup, the syscon firmware will read the Syscon's EEPROM value located at 0x48C30 (You can read/write to that offset through the Update Manager) and will set the cell config ring accordingly. (it gets sent by Syscon through the SPI bus) | ||
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That means you can possibly unlock an extra SPE for your Linux or other uses (depending whether your 8th SPE is dead or not) | That means you can possibly unlock an extra SPE for your Linux or other uses (depending whether your 8th SPE is dead or not) | ||
You can read/write to that offset through the Update Manager. | |||
This procedure has been successfully tested on one of my playstation 3 units (CECH-2500), you may however get unexpected result should your 8th SPE happen to be defective) | This procedure has been successfully tested on one of my playstation 3 units (CECH-2500), you may however get unexpected result should your 8th SPE happen to be defective) | ||
Alternatively you could hook the SPI bus and modify the config ring on the fly but that requires additional hardware. | Alternatively you could hook the SPI bus and modify the config ring on the fly but that requires additional hardware. | ||