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  1. #81
    Kanopus
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    Default

    Quote Originally Posted by voyager56 View Post
    Each time Nuvi power ups each time it asks for region, language, EULA. I think it can't write settings in NVRAM.
    No, you simply lost first fix too. You need to drive a bit with your nuvi, till you find "ifix" date in GarminDevice.xlm. Then you will be able to configure it.

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  3. #82
    voyager56
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    Default

    Quote Originally Posted by Kanopus View Post
    No, you simply lost first fix too. You need to drive a bit with your nuvi, till you find "ifix" date in GarminDevice.xlm. Then you will be able to configure it.
    OK I will. But most important for me it's 34xx problem. How to fix this issue?

  4. #83
    turboccc
    Guest

    Default

    Legitimate question, but since everybody seemed to know already I did not think it was required...

    Command format: ergn,<rgn #>

    That looks like erase region, and a region number. This string can be found in boot.bin. Make a search for this unicode string.

  5. #84
    voyager56
    Guest

    Default

    Quote Originally Posted by turboccc View Post
    Legitimate question, but since everybody seemed to know already I did not think it was required...
    Command format: ergn,<rgn #>
    That looks like erase region, and a region number. This string can be found in boot.bin. Make a search for this unicode string.
    I know this command, but what will be with UnitID and HWID?

  6. #85
    turboccc
    Guest

    Default

    I would guess that HWID will be the one from the FW.
    I would guess that the UnitID will be the one from region 34.

  7. #86
    voyager56
    Guest

    Default

    Quote Originally Posted by turboccc View Post
    I would guess that HWID will be the one from the FW.
    I would guess that the UnitID will be the one from region 34.
    I did it (ergn,34) ant got UnitID as before, but still remains 34xx.
    Last edited by voyager56; 24th November 2011 at 07:12 AM.

  8. #87
    turboccc
    Guest

    Default

    I thought the goal was to erase region 41, not 34. Erasing 34 will keep the same UnitID as it will be coming from region 41.

    I would suggest to do those 3 commands at the same time:

    write region 34 with offset 0x10-0x1f with FF, keep UnitID intact.
    erase region 41
    reboot

    That should wipe clean your NVM and preserve your UnitID.

  9. #88
    voyager56
    Guest

    Default

    Quote Originally Posted by turboccc View Post
    I thought the goal was to erase region 41, not 34. Erasing 34 will keep the same UnitID as it will be coming from region 41.

    I would suggest to do those 3 commands at the same time:

    write region 34 with offset 0x10-0x1f with FF, keep UnitID intact.
    erase region 41
    reboot

    That should wipe clean your NVM and preserve your UnitID.
    Yes,you are right. I erased region 41 and flashed modified region 34.
    By mistake in my previous post I typed 34 instead of 41.

    EDIT:
    I did this :write region 34 with offset 0x10-0x1f with FF, keep UnitID intact. erase region 41. reboot

    Still the same. Unitid OK . Unit remains 34xx.
    Last edited by voyager56; 23rd November 2011 at 09:31 PM.

  10. #89
    turboccc
    Guest

    Default

    On my 3750, regions 45, 76, 139 to 143 are filled with FF only. Maybe try an erase on them? Make backups first!

    Careful! We are in uncharted territory here.

    Edit: region 76 seems to be empty on 3450 (0 byte in size).

  11. #90
    Kanopus
    Guest

    Default

    What size is region 76? On my nuvi i get error when trying to read 76.

 

 

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