Samsung Electronics Co., Ltd.

Soohwan Kang

Jaesub Kim

Jeongbeom Seo

Yonggeun Oh

Pilchang Son

A controller is included in a storage device communicating with a host device. The controller is configured to receive a firmware image download command and a firmware image corresponding to the firmware image download command from the host device, perform verification for determining whether the firmware image is damaged in response to the received firmware image download command, and when a firmware update request for the firmware image is received from the host device, determine whether to perform a firmware update based on the firmware image by using a verification result of the firmware image.

Operating method for performing firmware image chunk update and verification of whether damage as occurred on storage device

A data storage may include at least one nonvolatile memory device and a controller operatively connected to the at least one nonvolatile memory device. The controller is configured to receive binary data from a host through a side-band interface. The controller is configured to execute the binary data according to a request from the host to execute a test operation. A test operation with respect to the data storage may be executed through a side-band interface.

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Seoul, South Korea

Soohwan Kang