Samsung Electronics Co., Ltd.

Hwaseok Oh

JinHyeok Choi

Youngmin Lee

Sungho Seo

Hyuntae Park

Sung-Ha Kim

Ji-Seung Youn

Yongwoo Jeong

Kyungbo Yang

Jung Hoon Chun

Changduck Lee

Seungyeop Shin

Chang-eun Choi

Su Hwa Yoo

Changkyu Seol

Youngwook Kim

Hongrak Son

Jooyoung Hwang

Pilsang Yoon

Jinsoo Lim

Kwanwoo Noh

Jin-Hyeok Choi

Hyejeong So

Jaehun Jang

Sanghune Park

Bumjun Kim

Sung Chul Hur

Sang-Hwa Jin

Soonbok Jang

Myungjune Jung

Brianmyungjune Jung

Euiseong Seo

Jong-uk Song

Provided is a server device which may be stably operated in spite of power loss and a method of operating the same. The server device according to an embodiment of the present invention includes: a host system; a plurality of memory modules; a backplane configured to transmit main power supplied from the host system to the plurality of memory modules; and at least one replaceable battery module connected to the backplane and configured to supply first auxiliary power to the plurality of memory modules, wherein the plurality of memory modules includes a volatile memory, a non-volatile memory; and a memory module controller using the first auxiliary power supplied from the at least one replaceable battery module to maintain data of the volatile memory or flush data of the volatile memory to the non-volatile memory, in response to the power loss occurring in the main power.

Server device capable of being stably operated in spite of power loss and method of operating the same

A device includes a storage device to receive a first power and transfer data, a computing device to receive a second power and perform computations on the data; a storage power manager to generate a storage power demand value from previous operation of the storage device; a computing power manager to generate a computing power demand value from previous operation of the computing device; and a global power manager to generate a storage target power value indicating a next power limit for the storage device and a computing target power value indicating a next power limit for the computing device, from both of the storage and computing power demand values, wherein the storage power manager provides the first power to the storage device based on the storage target power value, and the computing power manager provides the second power to the computing device based on the computing target power value.

Computation storage device and method of managing power of the same

A network storage device connected with a network fabric includes a network storage controller that performs interfacing with the network fabric and translates and processes a command provided through the network fabric, and a nonvolatile memory cluster that exchanges data with the network storage controller under control of the network storage controller. The nonvolatile memory cluster includes a first nonvolatile memory array connected with the network storage controller through a first channel, a nonvolatile memory switch connected with the network storage controller through a second channel, and a second nonvolatile memory array communicating with the network storage controller under control of the nonvolatile memory switch.

Network storage device storing large amount of data

A storage system includes a host device and a storage device. The host device provides first input data for data storage function and second input data for artificial intelligence (AI) function. The storage device stores the first input data from the host device, and performs AI calculation based on the second input data to generate calculation result data. The storage device includes a first processor, a first nonvolatile memory, a second processor and a second nonvolatile memory. The first processor controls an operation of the storage device. The first nonvolatile memory stores the first input data. The second processor performs the AI calculation, and is distinguished from the first processor. The second nonvolatile memory stores weight data associated with the AI calculation, and is distinguished from the first nonvolatile memory.

Storage device with artificial intelligence and storage system including the same

Disclosed is a storage device which includes a nonvolatile memory device and a controller. The controller communicates with a host through a first port, communicates with an external storage device through a second port, and controls the nonvolatile memory device based on first mapping information. The controller is configured to receive second mapping information from the external storage device, receive first write data from the host and to selectively transmit first write data to the external storage device based on the second mapping information.

Storage device, user device including storage device, and operation method of user device

Disclosed is an electronic device which includes an application processor configured to generate a reference clock, a first storage device configured to receive the reference clock from the application processor through a clock input port, to output the reference clock to a clock output port, and to communicate with the application processor by using the reference clock, and a second storage device configured to receive the reference clock from the clock output port and use the reference clock for communication with the first storage device.

Electronic device comprising storage devices transmitting reference clock via cascade coupling structure

A device includes a first input/output (I/O) port for communication with an external processor, a second I/O port for communication with a second device, and an interface adaptor supporting communication through the first and second I/O ports via a protocol having a plurality of layers, including an application layer, a physical layer, and a physical adaptor layer. The application layer processes information according to an application layer format and the physical adaptor layer processes information according to a physical adaptor layer format. The device receives from the external processor through the first I/O port a request in the application layer format that one or more communication conditions be set for a physical layer of the second device, converts the request from the application layer format to the physical adaptor layer format, and sends the converted request in the physical adaptor layer format to the second device through the second I/O port.

Electronic device configured to control non-directly connected storage device among serially connected storage devices, storage device included therein, computing system including the same, and operation method of controller of storage device

A transmitter includes: a pulse amplitude modulation encoder that encodes serial data to multi-bit transmission data of a first data group and a second data group; a first driver that converts first multi-bit transmission data of the first data group to a first differential signal having a first voltage swing width; a second driver that converts second multi-bit transmission data of the second data group to a second differential signal having a second voltage swing width narrower than the first voltage swing width; a first voltage regulator that provides to the second driver a first low swing voltage for generating the second differential signal; a second voltage regulator that provides to the second driver a second low swing voltage less than the first low swing voltage; and a constant current load switch that provides a current path between the first and second voltage regulators depending on deactivation of the second driver.

Pulse amplitude modulation transmitter and pulse amplitude modulation receiver

A computing device and a method of operating the same are provided. The computing device includes a modem that communicates with an external device, a storage device, an application processor that accesses the storage device, and a switch that selectively provides one of a first communication path connecting the modem and the application processor and a second communication path connecting the modem and the storage device without passing through the application processor.

Storage device, computing device including the same, and operation method of the computing device

According to at least some example embodiments of the inventive concepts, an electronic device includes an embedded storage device that is, configured to connect to a removable storage device, and configured to directly communicate with the removable storage device, when connected to the removable storage device; and an application processor connected to directly communicate with the embedded storage device and not directly connected with the removable storage device, wherein, the embedded storage device is configured to, in response to a disable command received from the application processor, decrease an amount of power supplied to all or some of circuits included in the embedded storage device, and provide a bypass path that is configured to transfer a normal command and data from the application processor to the removable storage device, when the removable storage device is connected to the bypass path.

Electronic device providing bypass path to indirectly connected storage device among serially connected storage devices, storage device included therein, computing system including the same, and method of communicating therewith

An electronic device includes an application processor; and a first storage device that is, connected to the application processor and directly communicates with the application processor, and connected to a second storage device such that the second storage device communicates with the application processor through the first storage device, wherein the first storage device includes a reset converter configured to generate a software reset signal in response to a hardware reset signal received from the application processor, and wherein the software reset signal resets the second storage device.

Electronic device configured to reset storage device non-directly connected to application processor among storage devices serially connected to one another and method of operating the same

Growing community of inventors

Yongin-si, South Korea

Hwaseok Oh