Nonvolatile storage device and operating system (OS) image program method thereof

摘要

A nonvolatile storage device in accordance with the inventive concepts includes a nonvolatile memory device comprising a first memory area, a second memory area, and a memory controller. The memory controller includes a first register configured to store reliable mode information, and a second register configured to store operating system (OS) image information. The memory controller is configured to receive a command from a host based on the reliable mode information; determine whether the command is a write request for an OS image and whether OS image information accompanying the command matches the OS image information stored in the second register; write the OS image to the first memory area if the OS image information accompanying the command matches the OS image information stored in the second register, and block data migration of the OS image from the first memory area to the second memory area.

主权项

1. A nonvolatile storage device comprising:
a nonvolatile memory device including a first memory area and a second memory area, each memory area including a plurality of memory cells, each memory cell being configurable to operate one of high data reliability mode and low data reliability mode, the first memory area operating in the high data reliability mode and the second memory area operating in the low data reliability mode; and a memory controller including, a first register configured to store reliable mode information, and a second register configured to store operating system (OS) image information, the reliable mode information indicating whether to activate a reliable mode or not, wherein the memory controller is configured to,
receive a write command with an OS image from a host,determine whether OS image information accompanying the write command matches the OS image information stored in the second register,write the OS image to the first memory area if the OS image information accompanying the write command matches the OS image information stored in the second register, andblock migration of the written OS image from the first memory area to the second memory area if the reliable mode information indicates that the reliable mode is active.