Samsung Electronics Co., Ltd.

Hae-Sung Bae

Young Woo Jung

Hyun-Ju Kim

Hwan-Chung Kim

Taekkyun Lee

Jonghwan Lee

An operating method of a storage device which includes a nonvolatile memory and a memory controller configured to control the nonvolatile memory, may include tracking a clock signal; entering a vendor mode of the storage device when the clock signal corresponds to a vendor pattern; and maintaining a normal mode of the storage device when the clock signal does not correspond to the vendor pattern, wherein, in the normal mode, a command received from an external host device is executed according to a first rule, and wherein, in the vendor mode, the command received from the external host device is executed according to a second rule different from the first rule.

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Hwaseong-si, South Korea

Hae-Sung Bae