Samsung Electronics Co., Ltd.

Jongwon Jeong

Ho-young Lee

Insu Choi

Sung-Joon Kim

Ilho Kim

Kyung-Hee Han

Changho Yun

Kyungjin Park

Yunmi Hwang

Jinhun Jeong

A method for preparing error recovery of a memory device included in a memory system includes performing a training operation of the memory device upon power-on of the memory system, booting an operating system into a normal mode by operating the memory device using a selected operation frequency of a plurality of operation frequencies based on results of the training operation, detecting an error frequency among the plurality of operation frequencies in response to a change of the selected operation frequency of the memory device by the operating system, the error frequency being an operation frequency which causes at least one error in the memory device, and storing information regarding the detected error frequency in a first register included in a memory controller associated with the memory device.

Memory system including memory controller and memory device and method for recovering from an error thereof

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Suwon-si, South Korea

Jongwon Jeong