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Device for realizing volatile memory backup

A kind of volatile memory and memory technology, which is applied in the direction of protecting storage content from loss, response error generation, and redundancy in operation for data error detection. It can solve problems such as reducing complexity and internal power supply, and achieve reducing complexity. The effect of reducing the demand for electricity

Inactive Publication Date: 2014-10-01
INSPUR BEIJING ELECTRONICS INFORMATION IND
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] In order to solve the above technical problems, the present invention provides a device for backing up volatile memory, which can effectively reduce the complexity of its design and debugging, as well as the demand for the power of the internal power supply, so as to well meet the extreme abnormal power failure market demand for volatile memory backup

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  • Device for realizing volatile memory backup

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Embodiment Construction

[0015] In order to make the purpose, technical solution and advantages of the present invention more clear, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.

[0016] The steps shown in the flowcharts of the figures may be performed in a computer system, such as a set of computer-executable instructions. Also, although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that shown or described herein.

[0017] figure 1 Schematic diagram of the composition and structure of the device for realizing backup of volatile memory in the present invention, such as figure 1 As shown, it includes volatile memory, non-volatile memory, power switching unit for selec...

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Abstract

The invention discloses a device for realizing volatile memory backup. The device for realizing volatile memory backup comprises a volatile memory, a non-volatile memory, a power supply switchover unit used for selecting an external power supply or an internal power supply to supply power, an internal power supply used for supplying power during extreme abnormal power-off, and a mixed memory control unit. By virtue of the technical scheme provided by the invention, backup for data in the volatile memory into the non-volatile memory is finished by using the mixed memory control unit during extreme abnormal power-off, thus preventing a plurality of modules from being coordinated and matched to finish the function, and then effectively lowing the complexity of design and debugging for volatile memory data backup, and greatly meeting market needs on volatile memory backup.

Description

technical field [0001] The invention relates to backup technology, in particular to a device for realizing backup of volatile memory when power is cut off extremely abnormally. Background technique [0002] As we all know, volatile memory chips such as synchronous dynamic random access memory (SDRAM) chips or memory sticks composed of a plurality of volatile memory chips (hereinafter collectively referred to as volatile memories) are widely used in personal computers, servers, In various network equipment and computing equipment and other equipment. Data stored in volatile memory is lost when power is lost. Especially when the external power supply and the backup external power supply of the equipment using volatile memory are stopped at the same time or the system of the equipment is abnormally restarted (hereinafter referred to as extreme abnormal power failure) in critical occasions, the volatile The unprocessed data stored in the memory is immediately lost, which will ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F12/16G06F11/14
Inventor 贡维李鹏翀
Owner INSPUR BEIJING ELECTRONICS INFORMATION IND
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