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Graceful shutdown with asynchronous DRAM refresh of non-volatile dual in-line memory module

A memory, normal technology, applied in the field of computer systems, which can solve problems such as loss of volatile memory

Inactive Publication Date: 2018-01-16
SUPER MICRO COMP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Volatile memory loses its contents when power to the computer system is interrupted

Method used

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  • Graceful shutdown with asynchronous DRAM refresh of non-volatile dual in-line memory module
  • Graceful shutdown with asynchronous DRAM refresh of non-volatile dual in-line memory module

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Embodiment Construction

[0011] In this disclosure, numerous specific details are provided, such as examples of systems, components and methods, to provide a thorough understanding of embodiments of the invention. It will be recognized, however, by one of ordinary skill in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known details have not been shown or described in order to avoid obscuring aspects of the invention.

[0012] figure 1 A schematic diagram of a computer system 100 according to an embodiment of the present invention is shown. For example, computer system 100 may be implemented using components commercially available from INTEL Corporation. More specifically, in figure 1 In an example, the central processing unit (CPU) 130, the peripheral controller hub (PCH) 140 and the baseboard management controller (BMC) 170 may include devices conforming to the HASWELL processor microarchitecture of INTEL Corporation....

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Abstract

A graceful shutdown of a computer system is initiated by sending a command to an asynchronous dynamic random access memory refresh (ADR) trigger device to assert an ADR trigger. Responsive to the command, the ADR trigger device asserts the ADR trigger to initiate an ADR of a non-volatile dual in-line memory module (NVDIMM) of the computer system. In response to the ADR trigger being asserted by the ADR trigger device, an ADR of the NVDIMM is performed before completing the graceful shutdown of the computer.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of U.S. Provisional Application No. 62 / 359934, filed July 08, 2016, the entirety of which is hereby incorporated by reference. technical field [0003] The present invention relates generally to computer systems. Background technique [0004] A computer system may include one or more central processing units and one or more memory modules. A memory module includes one or more memory integrated circuits ("chips"). The memory chips may include volatile memory (eg, dynamic random access memory (DRAM)), non-volatile memory (eg, flash memory), or both. Volatile memory loses its contents when power to the computer system is interrupted. In contrast, non-volatile memory retains its contents even in the absence of system power. In general, volatile memory is faster than non-volatile memory and is therefore preferred as main memory for processes such as the operating system, application ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G11C5/14
CPCG06F9/442G06F1/28G06F3/0604G06F3/0634G06F3/0659G06F3/0685G11C11/406
Inventor 韩冬R-H·邵许亮
Owner SUPER MICRO COMP
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