Motherboard interface signal transmission system

A technology of interface signal and transmission system, which is applied in the field of mainboard interface signal transmission system, can solve the problems of increased labor and time costs, inability to burn memory, etc., and achieve the effect of saving manufacturing costs

Inactive Publication Date: 2011-09-28
INVENTEC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, "offline programming" is to remove the chips on the motherboard and then take them to a dedicated programmer or a universal programmer for programming. This method will greatly increase the cost of labor and time.
However, "online programming" requires additional connectors and wiring on the motherboard, and the programming can only be performed after the system is turned on. Therefore, the memory on the motherboard cannot be programmed when the system cannot be turned on.

Method used

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  • Motherboard interface signal transmission system
  • Motherboard interface signal transmission system
  • Motherboard interface signal transmission system

Examples

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Embodiment Construction

[0036] figure 1 It is a motherboard interface signal transmission system according to an embodiment of the present invention. The motherboard interface signal transmission system 100 is suitable for computers or servers. The motherboard interface signal transmission system 100 includes a network interface card 102 , a flash memory 104 , a debug connection port 106 and a switching unit 108 . Wherein, the switch unit 108 is coupled to the flash memory 104 , the network interface card 102 and the debug connection port 106 . The switching unit 108 receives the serial universal input / output interface signal SG1 and the control signal SC1, wherein the serial universal input / output interface signal SG1 includes test signals from other electronic devices on the motherboard, and the switching unit 108 is based on The control signal SC1 switches signals and devices connected to the debug connection port 106 . Wherein, when the control signal SC1 is at the first logic level (such as a ...

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Abstract

The invention provides a motherboard interface signal transmission system. The system comprises a flash memory, a debug connecting port and a switching unit, wherein the switching unit receives a SGPIO (Serial General Purpose Input / Output) interface signal and a control signal; when the control signal is at a first logic level, the switching unit outputs the SGPIO interface signal to the debug connecting port; and when the control signal is at a second logic level, the switching unit conducts the flash memory to the debug connecting port so as to burn the flash memory.

Description

technical field [0001] The invention relates to a mainboard interface signal transmission system, and in particular to a mainboard interface signal transmission system capable of performing error detection and memory online programming. Background technique [0002] With the maturity of semiconductor manufacturing technology and the advent of information society, information products have become an indispensable part of daily life. In addition, with the increasing popularity of information products, their prices continue to drop, but quality is still one of the keys that consumers pay attention to. Therefore, almost all information products need to go through a series of tests before leaving the factory to ensure that the functions of the products are working properly. Taking the motherboard of a computer as an example, the motherboard is electrically connected to various electronic devices disposed thereon, such as a network interface card, a memory, and a central processi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F13/38G11C16/10
Inventor 方兰兰林祖成
Owner INVENTEC CORP
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