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  1. #21
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    Yeah, I'd like to know more about these limitations as well.... and BTW, thanks guys for helping me out. I've almost got my GPS just the way I want it.

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  3. #22
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    I can put the img file on the SD card of my Nuvi 2555lmt and it needs to be in the garmin directory named gmapsupp.img.

    I did create a unl file for it using PID 1, FID 2568, region 0,0.

    What is strange is that Homeport easily sees and views it and claims it is not lockable. But the Nuvi says the file is locked when I try and access it from my GPS.

    I tried using fastimage unlocker on it but it cuts the file in half to 700 MB and Gmaptool reports errors when I try to install it to mapsource.

    Any solution as to how I can unlock this file and enable me to use it on the Nuvi? Homeport can't send it to a device as that function is disabled in Homeport.

    Thanks
    Last edited by ChrisNav; 12th March 2012 at 00:54.

  4. #23
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    @ChrisNav


    HomePort can show locked charts and that's a original feature implemented by Garmin.
    Your Garmin GPS unit however have problems with lack of digital GMA certificates for maps with FID/MapID >= 2200 if the firmware are after the January 2010. That's why you have to unlock with [Only registered and activated users can see links. ] for locked IMG-files with FID >= 2200.

    If the map files is rather large you might need to run FIU in 64-bit OS or with the 3GB option in a 32-bit OS.


    Quote Originally Posted by catymag View Post
    Changes in
    v.2.1 (12-4-2011)
    a new look and minor changes
    ...
    ...
    ...
    v.1.3 (5.10.10)
    NOTE : If you run a 64 bit os it will unlock also Garmin GB Discoverer 150K Full Coverage IMG and maps with big IMGs (Garmin Unlocker will need 3GB memory to work) with other oses you can try 3GB Switch
    Code:
    Please Login or Register to see the links
    Don't post thanking posts. Use the "Like"button instead.





    [Only registered and activated users can see links. ]

    NOTICE! Due to other activities I'm now having a very low attention to questions and requests here at GPSPower.

  5. #24
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    Thumbs up

    Well I got it unlocked on the Nuvi. I needed to use Image Unlocker Alternative and it worked a charm. I can now name it anything I want and put it in the Map directory instead of the Garmin directory.

    Nice to have an alternative tool.

    Thanks

    I just want to add that in order for the map to be seen by Homeport, it does need to be named gmapsupp.img and be in the Garmin directory on my SD drive. Thankfully I can rename my city navigator (since I unlocked it) to another name and place that in my Map folder on the SD.

    It may be that basecamp and homeport will only see gamapsupp.img's or img's that have been installed directly to the hard drive; and the G2 series of charts possibly can only be installed to SD's.

    So you have to finagle the names a bit to get all different maps on the Nuvi SD. Since I was able to install CN on the hard drive, I don't need Basecamp to read it from the SD thus I renamed it and placed it in the Map directory. But Inland Lakes has to be read from the SD and I had no alternative how to name it to be read by Homeport and the Nuvi.

    A few hoops and hurdles but I believe all is going well.
    Last edited by ChrisNav; 12th March 2012 at 02:16.

  6. #25
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    By 'Image Unlocker Alternative' i guess you're referring to [Only registered and activated users can see links. ]. Interesting that UnLocker Alternative worked for you when FIU didn't as they are not dissimilar and i think compiled using the same tools. Were you using a 32-bit OS without the 3GB switch when you unsuccessfully tried FUI?

    If you want to save messing with SD cards when working with these sort of maps on your PC, try this [Only registered and activated users can see links. ].

  7. #26
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    I'm confirming that Neil. I was using a 32 bit OS without the 3GB switch. and ULA 6.06.

    I should eventually end up with this file on my Etrex Legend as only the Nuvi's 500 and 550 are really equipped for getting good graphics from these G2 charts.

    I'll check out that tutorial you linked to.

  8. #27
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    Nice find! So Garmin UnLocker Alternative 6.06 worked in 32-bit OS without the 3GB switch. FIU choked as expected without the switch... pietu will chuckle over that one.

  9. #28
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    Quote Originally Posted by Neil View Post
    FIU choked as expected without the switch...
    No lol, FIU doesnt chocke. As usual users close it before it finishes its job.
    I used my old laptop 32 bit OS
    ytWdj

    It needed at least 10 minutes to do the job with this old notebook and it unlocked it fine, no errors.
    The FIU and Unl.Alternative engines are Garmin Unlocker and GMT: with big IMGs GU can fail coz it needs 3 GB memory, but this is not the case.
    pietu hasnt patched GU, so I repeat :no differences between the 2 unlockers at least in their unlocking feature.
    The FIU unlocked map ,with Win 7 32 bit no 3GB switch, in my nuvi.

    KVRm7
    [Only registered and activated users can see links. ]
    [Only registered and activated users can see links. ]

    [Only registered and activated users can see links. ]
    You have to navigate to get to the good.
    Nuvi1250/Nuvi 34xx/Nuvi 2200/Nuvi 66/Oregon 600/Galaxy S5 MM 6.0.1/TomTom GO/iGO Nextgen Avic,Basar,Isr.Gift/Navigon
    Please don't flood my pm box with questions you can post on forum!! You won't hear back from me.

  10. #29
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    @Caty
    Ah, Rats! I thought pietu had done something to his new version [Garmin UnLocker Alternative v6.06 - (20.02.2012)] before he posted it last month. As usual i'm too gullible Caty, and thought that this big image file at around 1.6GiB needed the 3GB switch for FIU which is what i thought Ballebar meant in that initial reply to ChrisNav:
    Quote Originally Posted by Ballebar View Post
    @ChrisNav..........If the map files is rather large you might need to run FIU in 64-bit OS or with the 3GB option in a 32-bit OS.
    I should have realized that it was just a generic suggestion by Ballebar to a user having trouble using FUI maybe with a 32-bit OS and not that he expected that FIU would have trouble with this particular map without the switch. That's why i said "FIU choked as expected without the switch... pietu will chuckle over that one.". The other obvious alternative, that FIU was closed before it completed didn't really occur to me...duh! I was going to dl this image off-peak today to play with it using both FIU and pietu's new v6.06 in an old XP32-bit PC but you've saved me the trouble. I should have done that before i posted last.

    At least someone got to chuckle..not pietu, but catmag... and now me too... lol! Although i still say 'Ah, Rats!'.

  11. #30
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    Lol , for big maps we mean very large .img tiles,
    for example. in this map
    [Only registered and activated users can see links. ]
    where all the unlockers in 32 bit OSes hanged on a very large .img tile: 08225032.img (1,028,160 KB).
    That sub-part 69 in the unlocking process gave DIV BY ZERO exception error in Garmin Unlocker.
    But since FIU vers v.1.3 ( I donnow Unl.Alt. corresponding version) with the help of 3GB switch in 32 bit OS , we can cope with these big parts. Np with 64 bit OSes.

    Edit:Btw if you read WknThDg's post n 9 in this thread (he's using XP, if he didnt change recently)he unlocked the.img with FIU.
    [Only registered and activated users can see links. ]
    [Only registered and activated users can see links. ]

    [Only registered and activated users can see links. ]
    You have to navigate to get to the good.
    Nuvi1250/Nuvi 34xx/Nuvi 2200/Nuvi 66/Oregon 600/Galaxy S5 MM 6.0.1/TomTom GO/iGO Nextgen Avic,Basar,Isr.Gift/Navigon
    Please don't flood my pm box with questions you can post on forum!! You won't hear back from me.

 

 
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