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Method and device for automatically adjusting bus width

A bus width, automatic adjustment technology, applied in the direction of instruments, electrical digital data processing, etc., can solve the problem of limiting the speed of information transmission, and achieve the effect of effective information transmission

Inactive Publication Date: 2007-03-07
徐州铁手五金工具制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when only a single PCIe adapter card is installed in the dual PCIe slots on the latter's expansion card, it can only carry out information transmission with a bus width of 4 bits. Under this mechanism, the information transmission is obviously limited. transmission speed

Method used

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  • Method and device for automatically adjusting bus width
  • Method and device for automatically adjusting bus width
  • Method and device for automatically adjusting bus width

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Embodiment

[0017] As shown in FIG. 1 , FIG. 2 and FIG. 3 , they are related drawings of the method and device for automatically adjusting the bus width of the present invention. Wherein these drawings are simplified schematic diagrams, which schematically illustrate the basic steps and flow of the method of the present invention and the main structure of the device. Therefore, only texts related to the present invention are shown in the drawings.

[0018] As shown in Figure 1, it is the basic step process flow of the method for automatically adjusting bus width of the present invention, and this method is applicable to a first slot (slot) and the first slot (slot) that installs adapter card (for example is PCIe adapter card) and the present invention An expansion card with two slots (such as a PCIe riser card), the expansion card can automatically adjust the bus width (buswidth) according to the number of the adapter cards after the adapter card is installed, wherein the The first slot ...

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Abstract

This invention relates to automatic bus width adjusting method and device, which is used in first plug and second plug expansion card with match card, wherein, the expansion card is located with match card and card number width can be automatically adjusted; the first plug is set with half bus width for information transmission; the method tests whether the first unit has signal and outputs one second plug forbidden signal; then through one control unit adjusting the first and second plug bus width.

Description

technical field [0001] The present invention relates to a method and device for automatically adjusting bus width, in particular to a method and device for automatically adjusting bus width suitable for an expansion card having a first slot (slot) and a second slot for installing an adapter card method and device. Background technique [0002] A peripheral component interconnect (Peripheral Component Interconnect; hereinafter referred to as PCI) has become a mainstream connection interface of an input / output (hereinafter referred to as I / O) structure in recent years. It is a bus specification on the motherboard of a computer. The main function of the bus is to connect chipsets such as the south bridge, north bridge and the central processing unit (CPU) of the motherboard. Provides the function of data transmission. Common network cards, IDE hard disks, SATA, display cards and other peripheral devices can only operate normally through bus connection and data transmission. ...

Claims

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Application Information

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IPC IPC(8): G06F13/40
Inventor 张朝煌
Owner 徐州铁手五金工具制造有限公司