Short answer is to look at the source, just download it from the source repo, 
not the images repo.
http://download.tizen.org/releases/daily/tizen/ivi/latest/repos/ivi/source/

You can see which of the RPM packages was used in any image by looking at the 
.packages file in the images directory


The mbr directory has a bootable image for bootloaders that use the Master Boot 
Record. The efi directory has a bootable image  for bootloaders that use EFI.  
We have several platforms and they have different bootloaders.  The "min" 
images are stripped down to be as small as possible, removing development 
tools, debuggers, sample applications etc.  This is to give a baseline of what 
is needed just to get the minimal system to work.

For short periods we build a "release" image when we are about to archive a 
release in the milestone or previews download directory.  This ensures we have 
an image that knows how to install packages from the target milestone download 
site instead of from the daily site.  So when the milestone release is ready we 
know we don't have to go patch it up just because we relocate where it is in 
the download structures.

So the "ivi-release-efi-i586" image is nearly identical to the "ivi-efi-i586" 
image except for where it looks in the download directories for packages that 
can be installed at runtime.  if you are taking an image from 
releases/daily/latest/, then use the directory that does not have "release" in 
its name.

regards
Joel


From: [email protected] [mailto:[email protected]] On 
Behalf Of arthur bu
Sent: Tuesday, July 23, 2013 8:07 PM
To: [email protected]
Subject: what the different efi and mbr?

Dear sir:
    I just want to know what's the difference about the 
ivi-release-efi-i586/<http://download.tizen.org/releases/daily/tizen/ivi/latest/images/ivi-release-efi-i586/>
 and 
ivi-release-mbr-i586/<http://download.tizen.org/releases/daily/tizen/ivi/latest/images/ivi-release-mbr-i586/>
  under http://download.tizen.org/releases/daily/tizen/ivi/latest/images/? 
there are 6 download links, which one better if I want to download and read the 
source codes?

Best Regards!
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