Patent ID: 6829672
Filing Date: 2004-12-07
Classification: G06F

Abstract:
An electronic flash memory external storage method, comprising the steps of:establishing data exchange channel between a data processing system and a portable external storage device based on USB or IEEE1394 bus upon plug said portable external storage device into said USB or IEEE 1394 bus interface of said data processing system; acquiring a DC power supply from said data processing system for said external storage device through said USB or IEEE1394 bus upon plug said portable external storage device into said USB or IEEE 1394 bus interface; configuring a flash memory storage module built-in said external storage device, wherein the data storage structure of the flash memory storage module is arranged on a block basis; directly accessing data or information in the said flash memory storage module based on USB or IEEE1394 bus standard through said established data exchange channel by implementing and processing the data access operation requests issued by users, wherein said data processing system assigning and displaying a device symbol for said external storage device and processing the operation request in magnetic disk operation format issued from users upon plug said external storage device into said USB or IEEE 1394 interface of said data processing system.