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  1. #81
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    Found command for SG 3560

    Spoiler: CLICK

    In FW 2.30 you have rrgn comand inside

    [Only registered and activated users can see links. ]

    I hope kunix will tell if is safe to use boot.bin from FW 2.30 for scan 3560 SG NVM

    p.s.
    I also hope that if @mong736 scan NVM that he will send NVM backup in kunix PM, maybe kunix find out why is rrgn command removed from new FW
    Last edited by lolypop000; 21st August 2013 at 19:42.
    If you wish, you can [Only registered and activated users can see links. ]

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  3. #82
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    Quote Originally Posted by lolypop000 View Post
    I hope kunix will tell if is safe to use boot.bin from FW 2.30 for scan 3560 SG NVM
    It should be safe.
    Quote Originally Posted by lolypop000 View Post
    I also hope that if @mong736 scan NVM that he will send NVM backup in kunix PM, maybe kunix find out why is rrgn command removed from new FW
    NVM has nothing to do with removed functionality, so I don't need it

  4. #83
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    Quote Originally Posted by kunix View Post
    I wonder what's so important could be inside your device that Garmin doesn't want us to dump? Or maybe they're just closing security holes...?
    Because of this, I thought you need backup
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  5. #84
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    Quote Originally Posted by kunix View Post
    ........ I wonder what's so important could be inside your device that Garmin doesn't want us to dump? Or maybe they're just closing security holes...?
    But if we can't dump, neither can they. They've certainly removed the rrgn command, but have they removed the function entirely? There are still instances of xrgn & ergn in v3.0 boot.bin but i haven't looked further. Is it possible they have disguised the dumping command in this fw somehow?
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  6. #85
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    Quote Originally Posted by Neil View Post
    But if we can't dump, neither can they. They've certainly removed the rrgn command, but have they removed the function entirely? There are still instances of xrgn & ergn in v3.0 boot.bin but i haven't looked further. Is it possible they have disguised the dumping command in this fw somehow?
    It looks like rrgn hanlder was completely removed, as string "Read Region" is missing.

  7. #86
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    Any chance that it's just a cock-up by Garmin? I suppose not, seeing it's also missing in v2.70. It really does seem implausible that it could be 'accidentally left out' even once, and seemingly impossible in 2 consecutive fw versions. But it still begs the question as to how they would be able to do it, surely the Garmin techs still need to dump regions and not just 41? Edit: By that i mean without downgrading to v2.30 or using a specially doctored 'service ldr.bin' with the rrgn command written into it?
    Last edited by Neil; 22nd August 2013 at 09:08.
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  8. #87
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    I think compiling a special boot.bin with extra capabilities is not a problem at all for Garmin.

  9. #88
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    Or for you? ...
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  10. #89
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    thank you for all the respond to my post. can advise whether i need to backup my region41 using 2.30 boot.bin?
    will this backup region41 file created using v2.30 boot.bin still useful if i update my firmware. if yes, then maybe i will give it a try to backup this file just to play safe.
    if no then no point trying.
    Thanks in advance.

  11. #90
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    Neil
    For anyone who has the boot.bin's source code adding rrgn is almost trivial (some programming skills are still required, alas!).
    For me it's a big problem, as I don't have the source code, so have to disassemble it, find ~5 important functions and install my shims on them very carefully.
    Last edited by kunix; 22nd August 2013 at 11:31.

 

 
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