Garmin units directories,characteristics and files.

**catymag** · 20th March 2011, 01:00 AM

Garmin units directories,characteristics and files.

Newer Nuvis beginning with the 1xxx and including 37xx series and the 2xxx series have an hidden .System folder.
The most important files on the new Nuvis are in that folder called .System
This is a hidden folder so you will need to go to Folder Options in Windows and select the View tab.
From the View Tab select to Show Hidden Files, Folders, and Drives and also uncheck Hide protected operating system files (recommended). You should then be able to see the .system folder.

Spoiler: click

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Older Nuvis like 7x0 and 7x5 or 2x5 etc and outdoors units dont have hidden folders

Spoiler: click

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[Only registered and activated users can see links. ]:
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To see .System in newer models read also

Code:

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................To be implemented with your help
NOTE: if you copy this post ,give credits please

**catymag** · 26th May 2011, 03:13 PM

Flashing to asian sw and reflashing back my 1200 I realized the explaining I gave in this thread to RemoteSW content was wrong, I corrected it now-

**tom1807** · 27th May 2011, 05:09 AM

Maybe you can add the following file description:
gmap3d1.img: 2nd Garmin 3D buildings map
gmapoem.img: Doesn't show up in the map inventory, cannot deselect

**catymag** · 27th May 2011, 11:15 AM

thanks, done ,added gmap3d1.img in the list and added further explaining at gmappoem.img voice

**Giomen** · 28th May 2011, 01:20 AM

Caty, it is my experience about
"ExtData folder - used by Garmin
GPS folder - stores ARC.BIN , BEE.BIN etc files used by webupdater"

ExtData folder - stores 006-D0952-01.bin, 006-D0952-02.bin, 006-D0952-03.bin, 006-D0952-04.bin, 006-D0952-05.bin, 006-D0952-06.bin, 006-D0952-07.bin, 006-D0952-08.bin files which contains special font for not alphabet languages likes Herbew, Thai, Arabic.
ExtData folder - also stores for some device wiht MTK chipset files ARC.BIN, BEE.BIN, 006-D1221-00.bin. 006-D1221-00.bin - GPS Chipset Type M HotFix Data software which updates by webupdater and ARC.BIN & BEE.BIN are files what stores current info for GPS software metioned above.

GPX folder have folder with archived tracks. It is named Archive My experience and tips for Nuvi only below:

1) In last software Garmin limit next -
only 20 files in this folder with current numbering, each file approximately 1Mb, in each file approximately 10000 trackpoint for 800-1000 km.
When current.gpx files reaches size mentioned above it is move to Archive folder with next current present number. current.gpx is clearing and write down over again. If your have 20 files with archived tracks then the file with the least number is erased and new file with new number in title is created.
(It is have logic. Old software made a one big file not limited in size. As result there was free memory overflow and so on fatal consequences for normal working. Apart from this huge file had a lot of mistakes and MS do not read it without manual tags edition.
2) Cos if you want have full archive of your tracks - make copy of archived tracks files occasionally. I have archive with 86 files from one of my Nuvi (~75 000 km).
3) Only track from current.gpx is shown in device. If you want to view current track as much as possible for example in offroad (limit as mentioned above 800-1000 км) you may clear current track by Nuvi menu. Remember what if you do not make copy then data from it will lose. I have occurrences then current track went to archive and I do not may to see my start part of way on winter large lake

4) Archived tracks may be clearing only on PC. So you need 20 Mb free memory on new device what reserved for its.

**catymag** · 28th May 2011, 02:17 AM

thanks , interesting
I added ExtData explainings and made reference to your post in the second one

**kevindd992002** · 14th June 2011, 01:14 PM

What does the DEM and Timezone map do exactly? This information isn't indicated in the original post.

**tom1807** · 14th June 2011, 01:30 PM

DEM: It displays contours on compatible devices, you see an example here: [Only registered and activated users can see links. ]
Timezone: Contains Timezones of different cities/countries for selecting the right timezone by the device based on the location