PC BIOS (MSDOS partition tables) support
modulename: msdos.ko
configname: CONFIG_MSDOS_PARTITION
Linux Kernel Configuration
└─>Enable the block layer
└─>Partition Types
└─>PC BIOS (MSDOS partition tables) support
In linux kernel since version 2.6.20 (release Date: 2007-02-04)
Say Y here.