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  1. #1
    Master Doc_Koordinate's Avatar
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    Question GPSmap 278 - internal memory specs?

    does anyone know the exact specs of the usable internal memory of the 278?
    Garmin says it's a total of 2 GB. After crawling many forums I only found that by try & error some users have managed to load maps up to 1.85 GB.
    Should be a bit more, eh...?
    Some little space (16MB?) seems to be reserved for the basemap. Is it possible to exchange this basemap against a newer one of e.g. a nuvi?
    Is the memory space for GPS data (Tracks, WPTs, etc.) located on the same chip or (together with the firmware?) stored seperated?
    thanks for all information

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    May be you can be interested in this 2 Gb data card sold in Russia
    [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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    oh yes, thanks - that's indeed very interesting, especially for 276 owners.
    Your link seems dead. The shop adress is in russia, but website only in russian language, so communication best done by [Only registered and activated users can see links. ]
    Costs are ~ USD 150 incl. shipping, usually no customs payable, because declared value of the chip
    [Only registered and activated users can see links. ]
    is only USD 10. Works well according to many naviboard members.
    It's a 4 GB chip, but the 278 adresses only 2 GB of it.
    Important note: You get only the chip so any original Garmin Data Card (at least a body) is needed to house the chip!
    Last edited by Doc_Koordinate; 25th May 2012 at 15:36. Reason: email adress corrected

  5. #4
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    Quote Originally Posted by Doc_Koordinate View Post
    Garmin says it's a total of 2 GB. After crawling many forums I only found that by try & error some users have managed to load maps up to 1.85 GB.
    Should be a bit more, eh...?
    +10 Mb reserved for voices! And so on, so on...
    Love your wife? Buy yourself a GPS for answering to her favorite question: "Dear, where are you?".

  6. #5
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    Quote Originally Posted by Doc_Koordinate View Post
    does anyone know the exact specs of the usable internal memory of the 278?
    Garmin says it's a total of 2 GB. After crawling many forums I only found that by try & error some users have managed to load maps up to 1.85 GB.
    Should be a bit more, eh...?
    Some little space (16MB?) seems to be reserved for the basemap. Is it possible to exchange this basemap against a newer one of e.g. a nuvi?
    Is the memory space for GPS data (Tracks, WPTs, etc.) located on the same chip or (together with the firmware?) stored seperated?
    thanks for all information

    2 GB ~= 1.86 GiB

    The makers of storage media counts in SI decimal bytes prefix (10^3) while most file systems count file sizes with IEC binary bytes prefix (2^10). Microsoft Windows counts file sizes as GiB but shows as GB.

    2 000 000 000 / 1 024 / 1 024 / 1 024 ~= 1.86

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    Master Doc_Koordinate's Avatar
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    ahh, thanks - I should have been aware of this - shame :-)

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    Quote Originally Posted by Doc_Koordinate View Post
    I should have been aware of this - shame :-)
    Do not be upset so soon! The problem remains - 2.15 GiB is available in GPSMAP, but only 2.00 GiB (1.85 GB) is intended for maps!
    Love your wife? Buy yourself a GPS for answering to her favorite question: "Dear, where are you?".

  9. #8
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    As far as I understood this, the GPSmap 278 can address 2GiB. This happenes usually when the firmware only understands FAT16 formatted cards. FAT16 is limited to 2GiB, but usual 2GB cards have only 1.86GiB as Ballebar pointed out. So there is a gap.

    I think the trick with the russian card is, they use a 4GB card and partition it to a 2GiB first partition and an unused rest space and format the the 2GiB partition with FAT16. So you get a FAT16 formatted card with maximum space. This could be done in principle with any harddisk partition manager, although storage cards sometimes behave a little bit different compared to harddisks, and I don't know whether the GPSmap 278 understands all the possible partition tables correctly. SO it might be necessary to fiddle around a little bit.

  10. #9
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    Triangle Garm.

    Quote Originally Posted by Doc_Koordinate View Post
    ... link seems dead. The shop adress is in russia, but website only in russian language, so communication best done by [Only registered and activated users can see links. ]
    Costs are ~ USD 150 incl. shipping, usually no customs payable, because declared value of the chip
    bought one in 2014 - worked very well
    the chip is still for sale (website in russian language only, translate with browser):
    -> [Only registered and activated users can see links. ]
    @ RUB 6000 - due to descent of the russian currency the equivalent price is currently only ~ 95 or ~ US$ 105

 

 

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