Default codepage for FAT

configname: CONFIG_FAT_DEFAULT_CODEPAGE

Linux Kernel Configuration
└─>File systems
└─>DOS/FAT/EXFAT/NT Filesystems
└─>Default codepage for FAT
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
This option should be set to the codepage of your FAT filesystems.
It can be overridden with the "codepage" mount option.
See <file:Documentation/filesystems/vfat.rst> for more information.