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RFS™

SAMSUNG Robust File System (RFS) Pre-programming Guide is designed to help users write ROM-images to SAMSUNG NAND flash memory. This Pre-programming Guide is designed to help users understand the memory structure of SAMSUNG NAND flash memory.

Pre-programming is a method for writing ROM-images to NAND flash memory of SAMSUNG Electronics by using GBBM2 (Global Bad Block Management 2) Scheme. RFS uses GBBM2 scheme for managing bad blocks in a volume. This Pre-programming Guide describes Bad Blocks occurrences in NAND flash memory, and Reservoir conception and formatting to handle GBBM2 scheme.

SAMSUNG RFS pre-programming Guide includes the following sections:
  • Overview of RFS Pre-programming
  • Description of RFS Architecture and Features
  • Detailed Description of GBBM2 Scheme
  • Prerequisite for RFS Pre-programming and Writing ROM-images to NAND flash memory
  • Appendix: Spare Area Assignment