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PocketFS™

PocketFS

SAMSUNG PocketFS™ is an installable file system using OneNAND flash memory as storage on any consumer electronic devices with Windows Mobile/CE operating system.

SAMSUNG PocketFS™ is fully compatible with FAT16/32 file system standards that have been used in most operating systems.

SAMSUNG PocketFS™ is an installable file system using OneNAND flash memory as storage on any consumer electronic devices with Windows Mobile/CE operating system. It overcomes the existing FAT file system's weakness with the power off recovery, and is quickly recovered even if the power is suddenly lost. SAMSUNG PocketFS™ is fully compatible with FAT16/32 file system standards that have been used in most operating systems, so multimedia data stored in OneNAND flash memory can be detected on any other systems.

SAMSUNG PocketFS™ has basic functionalities as a traditional file system that enables users to organize data stored in OneNAND flash memory in a file, directory, and volume. Also PocketFS efficiently manages FAT with map based manipulation of a file allocation table. For 'robustness', SAMSUNG PocketFS™ is a log-based transactional FAT file system that can guarantee the integrity of file system metadata and provide fast recovery from sudden power failure.

SAMSUNG PocketFS™ combined with PocketStoreII can be a total solution for OneNAND flash memory, featuring a well-optimized file system and block device driver for OneNAND.

System Block Diagram with PocketFS and PocketStoreII
Perfectly FAT-compatible

SAMSUNG PocketFS™ is absolutely compatible with FAT16/32 file systems within Windows Mobile/CE devices. No modification is required in the application.

System Performance Enhancement

SAMSUNG PocketFS™ provides higher performance than current file systems for Windows Mobile/CE. SAMSUNG PocketFS™ provides high system performance particularly for 'append write' function, which is critical in open-ended video recording applications. And PocketFS supports fast deletion of a large file and improves look up algorithm. In addition, if OneNAND flash memory will be fragmented due using it more and more, PocketFS preserves stable write performance.

System Robustness

SAMSUNG PocketFS™ reliably runs at any time. Even if the power is suddenly lost, it recovers quickly and runs normally. Due to the implemention of log-based, SAMSUNG PocketFS™ preserves meta-data integrity such as Directory Entry and FAT table of file system.

Easy Portability

SAMSUNG PocketFS™ is the specific File System Driver (FSD) that complies with the Installable File System (IFS) specification of Windows Mobile/CE Operating System.

SAMSUNG PocketFS™ Documentation
Category Documentation Name Public
Manual SAMSUNG PocketFS™ v1.0.0 Installation Guide O