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  1. #1
    Toucan Sam CJPC's Avatar
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    Project: Service Mode PS3 Arrives, PS3 Dev Work in Progress

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    We finally managed to obtain a fully operational Service Mode PlayStation 3 system, so PS3 Dev work is in progress. As it came a few days ago, we have not had too much time to play with it yet, but will soon!

    We did some work on one from flurix a while back, but alas, the unit did not function fully. Luckily, this unit we got works perfectly.

    For a little background, it is a CECHA00 unit, which makes it a 60gb Japaneese PS3 model, first generation - full of backwards compatability, card readers and WiFi!

    It appears to be a returned unit, as it was packed in a CECHE box, and had a false CECHE serial on it. From what we know to date, the first thing that happens when a unit hits Sony is to be reset into PS3 Service Mode via the PS3 USB JIG.

    After this, the serial number on the back is scanned. We assume at this point they realized it was false, and sent it back, not repaired. Since it was sent back, it was still, luckily, in Service Mode - letting us obtain of it!

    Our project goal is to be able to turn this unit into a full blown PS3 Test/Debug unit, as it would help if everyone had access to a development unit in order to fully explore the PS3. Of course putting a retail PS3 into a Service Mode console is another beast to tackle before that happens.

    The PS3 Service Mode Systems do not utilize a hard disk drive, they totally fail to detect it (as we know) so installing a PUP the normal way is out of the question (it fails).

    However, there is another way to install a PUP. We had time to briefly experiment with some PUPs, and at the moment a FULL Debug PUP installs perfectly, but fails to boot. We believe this is due to the Core OS package in the PUP.

    With a little creative trickery (that will be detailed in a later post) on the PUP itself, we were able to get the Service Mode unit to install a Hybrid Debug Firmware, just like XVISTAMAN2005's PS3 HDD swap method that Sony later blocked.

    We can use the same creative trickery to downgrade the unit as well, however, the issue becomes that the Core OS is retail, and has to be the same software version. This is where we are at after a few days with the Service Mode unit.

    We are currently looking into ways to bypass this one last flaw - and after that, we may be able to successfully downgrade units, as well as install Debug Firmware on them.

    The next step is to install hardware to facilitate the dumping of the NAND. This will allow us to change the firmware, then dump and compare the NAND images to see if the Target ID in the EID changes - if it does, this method will prove to be very, very useful!

    Project: Service Mode PS3 Arrives, PS3 Dev Work in Progress

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  2. #2
    Forum Moderator PS3 News's Avatar
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    Quote Originally Posted by CJPC View Post
    The next step is to install hardware to facilitate the dumping of the NAND. This will allow us to change the firmware, then dump and compare the NAND images to see if the Target ID in the EID changes - if it does, this method will prove to be very, very useful!
    Keep up the good work Devs! Also still waiting to check out that PS3 TOOL XMB Tour CJPC.

  3. #3
    Senior Member jabberosx's Avatar
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    Let me be the first one to congratulate you on the awesome acquisition. And wish you the very best of luck!! keep us posted. Cheers.

    Wish you and your loved ones Happy holidays.

  4. #4
    VIP Member Drakhen's Avatar
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    Congrats goes out to you guys once again, hopefully soon you guys have this all figured out. Things are definitely sounding good.

  5. #5
    Forum Moderator PS3 News's Avatar
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    Quote Originally Posted by jabberosx View Post
    Wish you and your loved ones Happy holidays.
    Thanks for that... right now though, I bet CJPC will be happy with GOOD LUCK wishes on his final exams this week! It took a little bugging to get him to post this up between his cram study sessions but he was nice enough to do it for us. And Happy Holidays (+Rep) to you too!

    He said on IRC they plan to dump the NANDs after exams end and move forward, so it shouldn't be too long.

  6. #6
    Senior Member shummyr's Avatar
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    This is awesome, its a very positive step into the direction of homebrew.

  7. #7
    Junior Member Takavach's Avatar
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    this is really a good news thanks cjpc

  8. #8
    Banned User
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    great news. its impressive how much you find out about the ps3.

    i think some day you know more then sony ^^

  9. #9
    Registered User Shrink's Avatar
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    Lightbulb

    How can you set a console back to the original state? You have to use the USB JIG?

    Because if you can do without maybe you can backtrack to where the status is enabled/disabled?!

    So the idea could be setting it beack to original state (if possible) and track what's going on (so you can reverse this process in retail PS3s).

    Just an idea. Possible?

  10. #10
    Contributor ernvil's Avatar
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    OMG.. This is exciting indeed!

    Good work guys!

 

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