PS3 [research] SuperSlim 4000 series - hardware flash

Discussion in 'Downgrading' started by littlebalup, Mar 27, 2019.

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    baileyscream

    baileyscream Member

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    Judges has this for the teensy2. 0++ I'm sure he has made dumps when the ps4 was released.
    I'm doubting myself now though I'm going to have to have a search on his github to check

    Sent from my G3121 using Tapatalk
     
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    littlebalup

    littlebalup Developer PSX-Place Supporter

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    I don't think so. PS3 eMMC doesn't support SPI. So SPIway can't be used. PS4 has SPI if I remember well.
     
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    Louay

    Louay Senior Member

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    Yes ps4 have SPI and i have see numbered people who fix ps4 controller sync with teensy + SPIWay
     
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    baileyscream

    baileyscream Member

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    Ah is that what it was. Right I see

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    Louay

    Louay Senior Member

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    Yup :)
     
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    Leon120081

    Leon120081 Forum Noob

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    Not confirm but... Is this the tri state ?

    And this will be joined to ground point where?on golden area
     

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    littlebalup

    littlebalup Developer PSX-Place Supporter

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    Work in progress...

    Panasonic controler to EMMC bus mapping complete :
    EMMC bus mapping.png

    I successfully dumped the 256MB "flash partition" (including the bootldr) from the EMMC, with the console self powered and booted.
    But I didn't found a way yet to dump a bricked console. The tristate to grnd doen't keep the console turned on... and the EMMC is not recognized by supplying VDDF and VDD with an external 3V power supply...

    Any suggestions are welcome.

    Attached the EMMC spec.
     

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    Last edited: May 23, 2019
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    littlebalup

    littlebalup Developer PSX-Place Supporter

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    4k EMMC succefully dumped from a naked PPX-001 mobo :)
    Using a +3v external supply for VDDF (VCC).
    VDD supplied by my card reader.
    It is necessary to remove the 47ohms resistor on the CLK line (otherwise the Panasonic controller blurs the line and the connection hang...).

    4 bit data connection (dat0 to dat3):
    pic_tests.png

    dumping:
    screen_tests.png

    256MB dump showing the bootldr (byte reversed):
    screen_tests.png

    Write tests coming soon.
     
    Last edited: Jun 11, 2019
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    Louay

    Louay Senior Member

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    Good i will test soon
     
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    Sdw100

    Sdw100 Moderator

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    Brilliant stuff @littlebalup keep up the good work
     
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    littlebalup

    littlebalup Developer PSX-Place Supporter

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    Thanks :)

    Side note : maybe it would be better to moove that thread in another section. I think I wrongly created it in "Downgrading". But no downgrade to expect here... just unbrick.
    So maybe in the hardware mod section? idk
    When finished, if good results, I'll create something in the Tut's section.
     
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    Huzaifa

    Huzaifa Forum Noob

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    I have a ps3 super slim cech 4004c it is bricked it turns on for about 2 seconds then turns off
    Can i use that tristate point to make it turned on
     
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    baileyscream

    baileyscream Member

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    Use the tristate point and if it's a firmware issue it will halt the system
    When I say halt it will give a green power light but blank screen and not power off normally
    It will just halt mid power up
    Does that make sence

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    Alexandro Slash

    Alexandro Slash Member

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    Ps3 3xxx nor tristate is right?
     

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    littlebalup

    littlebalup Developer PSX-Place Supporter

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    I didn't had time to go further on the projet but I'm posting here the hardmod connection diagram if somebody wants to play with.
    !AT YOUR OWN RISK!

    You can use any raw disk editor to dump your eMMC. Flash data are the first 256MB (including dev_flash, like NANDs).

    EMMC hardmod.png

    Extra notes :
    - I'm using 4bit connection (DAT 0 to 3), but a single bit connection should work (slowly) by only using DAT 0.
    - You must inject +3v, 200mA minimum, to VCC (see the NOR tests points at the begining of that thread to locate VCC points) to supply the eMMC VDDF.

    -------------------------------------------------------------------------------------

    In add, here my full eMMC dump, for research purpose (if some want/can help to identify partitions addresses...) : https://www.mediafire.com/file/uzaicdbrta8utur/full_emmc_4share.rar/file

    Notes:
    - Do not search any idps... it will not work...
    - It's byte swapped.

    Please give feedback, if any.
     
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