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Storage access device and relative device

An access method and memory technology, applied to instruments, electrical digital data processing, etc., can solve the problems of increasing the cost of computer systems, limiting the flexibility of storage devices, and being unable to increase the transmission bandwidth of storage devices, etc.

Active Publication Date: 2005-03-02
VIA TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the dual-channel data transmission bandwidth can only be realized when the storage device has a symmetrical configuration, which further limits the configuration flexibility of the storage device
For example, when a user configures a storage device, he must use memory modules with the same storage capacity and structure (as a double-sided memory module) in pairs to form a symmetrically configured storage device, which increases the number of computer systems. configuration cost
On the other hand, in the prior art, if the storage device configured by the user does not have a symmetrical configuration, even if the storage device has two channels, it is completely impossible to use the dual channel to increase the transmission bandwidth of the storage device access

Method used

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  • Storage access device and relative device
  • Storage access device and relative device
  • Storage access device and relative device

Examples

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Embodiment Construction

[0027] Please refer to Figure 1. FIG. 1 is a functional block diagram of a control circuit 20 of the present invention implemented in a chipset 38 of a computer system 42 to control access to a dual-channel storage device 30 . In the computer system 42 (such as a personal computer or other microprocessor systems), the chipset 38 can be a memory access control chip, so as to serve as the access interface of the storage device 30, so that a host (host) 40 can use Memory resources provided by the storage device 30 . Wherein, the host 40 can be a central processing unit, or other devices or circuits capable of direct storage and access; the chipset 38 includes an interface module 22 and a control circuit 20 . In order to realize the technique of the present invention, the control circuit 20 is provided with a judgment module 24 , an access module 26 and an address module 28 . As for in the memory device 30, then be provided with the slot of a plurality of memory modules (represe...

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Abstract

The present invention provides memory device access method and device. In one embodiment of the present invention, the memory device has two channels with asymmetric memory array configurations. That is, these two channels have at least one unpaired memory array except at least one paired memory array to constitute the symmetrically configured part. During accessing the memory device, single channel transmission bandwidth is used in accessing the asymmetric configuration part while double channel high frequency transmission bandwidth is used in accessing the symmetric configuration part. In this way, the present invention can utilize the double channel characteristic in raise the access efficiency of memory device with asymmetric memory array configuration.

Description

technical field [0001] The invention relates to a storage device access method and a related device, in particular to a storage device access method and a related device capable of improving data access efficiency in an asymmetrically configured dual-channel storage device. Background technique [0002] Microprocessor systems, such as computer systems, have become one of the most important hardware foundations of the modern information society; and the requirements for the efficiency of microprocessor systems are also increasing day by day. As known by those skilled in the art, a computer system is operated by a central processing unit in cooperation with a chipset (such as a north bridge chip) and a storage device. For example, the storage device can be a random access storage device to store program codes and data, etc.; the central processing unit accesses the program codes and related data in the storage device through the chipset and executes them to realize the operati...

Claims

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Application Information

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IPC IPC(8): G06F13/16
Inventor 刘明熙谢博伟赖瑾
Owner VIA TECH INC
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