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antyong (retired)
 Post subject: Understand the files and folders within your Nuvi
PostPosted: Tue Apr 07, 2009 10:23 pm 
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Site Admin (retired)
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Joined: Sun Sep 14, 2008 11:42 am
Posts: 1518
Location: Acquiring satellites....
Image

  • Diag folder - used by Garmin
  • ExtData folder - used by Garmin
  • GPX folder - stores your trip log. You can open the GPX files within this folder with Mapsource
  • Help folder - stores help files in different languages
  • JCV folder - stores Junction View files on models which support such feature
  • JPEG folder - stores Nuvi's default pictures and splash screens. You can add more jpg files into this folder
  • POI folder - stores custom POI and travel guide files. These files are with .GPI extensions. It is ok to delete these files if you are sure you don't want them
  • RemoteSW folder - used by Garmin
  • scrn folder - stores your screen capture images. The files are in bitmap (BMP) format and could be opened with Window's Paint application
  • Text folder - stores default and custom messages and keyboard layouts. These are text files with .GTT extensions. You can edit them with a text editor. More info
  • Vehicle folder - stores Garmin vehicle icons. Files are with .SRF extension. You can add and delete these files. More info
  • Voice folder - stores Garmin voice guidance files. Files are with .VPM extension. You can delete unused voice files but do so with care. More info
  • GarminDevice.xml - stores information about your Nuvi to facilitate tranfer of data to/from your Nuvi. Leave this file alone.
  • gmapbmap.img - Garmin base map (worldwide map)
  • gmapprom.img - Garmin pre-programmed (preloaded) map. Back up this file before deleting or overwriting it.
  • gmapprom1.img - Garmin pre-programmed (preloaded) map. Back up this file before deleting or overwriting it.
  • gmapsupp.img - This is the common file name for Garmin maps including those from MFM.
  • gmapsupp.unl - Unlock code file for Garmin supplementary map.
  • gmaptz.img - Garmin time zone map. Leave this file alone.
  • GUPDATE.GCD - Used for Garmin firmware update. Leave this file alone.
  • Locales.xml - stores default language, currency sign, time zone, etc settings for different countries. Leave this file alone.
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mapmaps2009
 Post subject: Re: Understand the files and folders within your Nuvi
PostPosted: Thu Apr 09, 2009 9:43 pm 
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Joined: Sun Mar 01, 2009 4:13 pm
Posts: 4
[*]gmapsupp.img - This is the common file name for Garmin maps including those from MFM.
[*]gmapsupp.unl - Unlock code file for Garmin supplementary map.

dear master, my 255w(bought 2nd hand last yr) came pre-installed w/ SG-R 3.74D JOH-R v2.66 main memory. i'm thinking of putting in the latest mfm map into the main memory(as it's more details). is it save to over-write this pre-installed map(ie. can my 255w function w/o it)? cos currently, i'd loaded the new mfm map in SDcard & access via this SD card. thanks :)
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tlchuan
 Post subject: Re: Understand the files and folders within your Nuvi
PostPosted: Thu Apr 09, 2009 9:57 pm 
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Polygon Mapper
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Joined: Wed Sep 17, 2008 8:15 am
Posts: 1812
Location: Subang Jaya (x10 & Oregon 300)Garmin 255w sgmy, 2575RLM, Wayway 5035
:good: :tq: for the info

_________________
Samsung Galaxy S 2 Rock
http://9w2kdx.blogspot.com

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ajay
 Post subject: Re: Understand the files and folders within your Nuvi
PostPosted: Thu Apr 09, 2009 10:53 pm 
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Joined: Fri Sep 19, 2008 9:40 am
Posts: 370
Location: Bdr Baru Bangi
mapmaps2009 wrote:
[*]gmapsupp.img - This is the common file name for Garmin maps including those from MFM.
[*]gmapsupp.unl - Unlock code file for Garmin supplementary map.

dear master, my 255w(bought 2nd hand last yr) came pre-installed w/ SG-R 3.74D JOH-R v2.66 main memory. i'm thinking of putting in the latest mfm map into the main memory(as it's more details). is it save to over-write this pre-installed map(ie. can my 255w function w/o it)? cos currently, i'd loaded the new mfm map in SDcard & access via this SD card. thanks :)
u can. better backup the files first before u overwrite 'em

_________________
happily running MFM map on Papago M9 (Android Phone) & Garmin Nuvi 205W

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joechong
 Post subject: Re: Understand the files and folders within your Nuvi
PostPosted: Tue Apr 21, 2009 10:32 am 
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Joined: Thu Apr 09, 2009 9:27 pm
Posts: 26
All,

Just for my Nuvi 760 US version today. It has the North America maps loaded into its internal memory, and has all the folders mentioned in this topic guide.

Question,
1.I'd like to keep the US map in the internal memory, but would like to load MFM maps into the Garmin device. I'm thinking of putting the MFM maps into the SD card (8GB). Is this a recommended procedure?
2. How do all the sifus here with Garmin Nuvi organize their files in the device? Do you use the internal memory or the SD card to store the maps? Which one is better?
3. Is it possible to move all the data (*.*) from internal memory to the SD card, and purely run the Garmin from the SD card?

Thanks for the advice.

_________________
Garmin Mobile XT 5.0.50 on Nokia N97 with MFM Lite
Garmin Mobile XT 4.18.0 on Nokia N95 with MFM Lite
Garmin Nuvi 760 US Ver with MFM

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tlchuan
 Post subject: Re: Understand the files and folders within your Nuvi
PostPosted: Tue Apr 21, 2009 10:38 am 
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Polygon Mapper
User avatar

Joined: Wed Sep 17, 2008 8:15 am
Posts: 1812
Location: Subang Jaya (x10 & Oregon 300)Garmin 255w sgmy, 2575RLM, Wayway 5035
Brother look here viewtopic.php?p=27951#p27951

_________________
Samsung Galaxy S 2 Rock
http://9w2kdx.blogspot.com

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norwadi
 Post subject: Re: Understand the files and folders within your Nuvi
PostPosted: Tue Apr 21, 2009 7:10 pm 
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User avatar

Joined: Sat Nov 22, 2008 9:17 pm
Posts: 192
Location: Kuala Lumpur (Garmin nüvi 760)
joechong wrote:
All,

Just for my Nuvi 760 US version today. It has the North America maps loaded into its internal memory, and has all the folders mentioned in this topic guide.

Question,
1.I'd like to keep the US map in the internal memory, but would like to load MFM maps into the Garmin device. I'm thinking of putting the MFM maps into the SD card (8GB). Is this a recommended procedure?
Yes.
2. How do all the sifus here with Garmin Nuvi organize their files in the device? Do you use the internal memory or the SD card to store the maps? Which one is better?
SD is better to reduce wear and tear on internal memory.
3. Is it possible to move all the data (*.*) from internal memory to the SD card, and purely run the Garmin from the SD card?
No. Only user's files (map, custom POI, music, pix, etc).

Thanks for the advice.
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joedoss
 Post subject: Re: Understand the files and folders within your Nuvi
PostPosted: Wed Apr 22, 2009 8:43 pm 
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User avatar

Joined: Thu Apr 02, 2009 2:38 pm
Posts: 59
Location: Penang
antyong wrote:
Image

  • Diag folder - used by Garmin
  • ExtData folder - used by Garmin
  • GPX folder - stores your trip log. You can open the GPX files within this folder with Mapsource
  • Help folder - stores help files in different languages
  • JCV folder - stores Junction View files on models which support such feature
  • JPEG folder - stores Nuvi's default pictures and splash screens. You can add more jpg files into this folder
  • POI folder - stores custom POI and travel guide files. These files are with .GPI extensions. It is ok to delete these files if you are sure you don't want them
  • RemoteSW folder - used by Garmin
  • scrn folder - stores your screen capture images. The files are in bitmap (BMP) format and could be opened with Window's Paint application
  • Text folder - stores default and custom messages and keyboard layouts. These are text files with .GTT extensions. You can edit them with a text editor. More info
  • Vehicle folder - stores Garmin vehicle icons. Files are with .SRF extension. You can add and delete these files. More info
  • Voice folder - stores Garmin voice guidance files. Files are with .VPM extension. You can delete unused voice files but do so with care. More info
  • GarminDevice.xml - stores information about your Nuvi to facilitate tranfer of data to/from your Nuvi. Leave this file alone.
  • gmapbmap.img - Garmin base map (worldwide map)
  • gmapprom.img - Garmin pre-programmed (preloaded) map. Back up this file before deleting or overwriting it.
  • gmapprom1.img - Garmin pre-programmed (preloaded) map. Back up this file before deleting or overwriting it.
  • gmapsupp.img - This is the common file name for Garmin maps including those from MFM.
  • gmapsupp.unl - Unlock code file for Garmin supplementary map.
  • gmaptz.img - Garmin time zone map. Leave this file alone.
  • GUPDATE.GCD - Used for Garmin firmware update. Leave this file alone.
  • Locales.xml - stores default language, currency sign, time zone, etc settings for different countries. Leave this file alone.


Does the Nuvi250 have a different setup as I can't find the "gmaptz.img" although I have the time zone when I view it through my nuvi....... :-?

_________________
Nuvi 250 (1-sec tracking enabled)

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silverbeauty
 Post subject: Re: Understand the files and folders within your Nuvi
PostPosted: Wed Apr 22, 2009 9:02 pm 
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Moderator
User avatar

Joined: Tue Sep 16, 2008 6:29 pm
Posts: 3109
Location: Sin-Ka-Pu-Ra Nüvi®765, Nuvi®3790T, eTrex Vista HcX, Samsung Galaxy S3, Apple iPad3, Apple iPod Touch
mapmaps2009 wrote:
[*]gmapsupp.img - This is the common file name for Garmin maps including those from MFM.
[*]gmapsupp.unl - Unlock code file for Garmin supplementary map.

dear master, my 255w(bought 2nd hand last yr) came pre-installed w/ SG-R 3.74D JOH-R v2.66 main memory. i'm thinking of putting in the latest mfm map into the main memory(as it's more details). is it save to over-write this pre-installed map(ie. can my 255w function w/o it)? cos currently, i'd loaded the new mfm map in SDcard & access via this SD card. thanks :)



Yes you can, But always back up original file in case you need to revert back to it.
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Mito
 Post subject: Re: Understand the files and folders within your Nuvi
PostPosted: Mon May 11, 2009 4:31 pm 
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User avatar

Joined: Thu Apr 16, 2009 12:18 am
Posts: 15
Location: KUL
Dear El-seniors,

I accidentally deleted the gmapsupp.unl file.

What is the main purpose of this file? Can anyone guide me to re-generate or restore it? I'm worried & I'm lost... ](*,)

_________________
Warm regards,
Mito

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