Changes

== Overview ==

== Overview ==

There are two known specialisations of the NCSD container format. The CTR Cart Image (CCI) format and the CTR System Update (CSU). CCI is the format of retail game ROM dumps. CSU is used with developer system updates and tools

There are two known specialisations of the NCSD container format. The CTR Cart Image (CCI) format and the 3DS' raw [[Flash Filesystem#NAND structure|NAND format]]. CCI is the format of game ROM images.

 

'''CTR System Update (CSU)''' is a variant of CCI, where the only difference is in the file extension. This is used with developer System Updates and associated [[3DS Development Unit Software|Tools]].

 

NCSD images start with a NCSD header, followed by up to a maximum of 8 [[NCCH]] partitions.

NCSD images start with a NCSD header, followed by up to a maximum of 8 [[NCCH]] partitions.

For CCI/CSU images, the partitions are reserved as follows:

For CCI images, the partitions are reserved as follows:

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