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motherboard

A motherboard and pin technology, applied in instruments, calculations, electrical digital data processing, etc., can solve the problems of complex failure modes of USB2.0 signals

Active Publication Date: 2019-03-08
HONG FU JIN PRECISION IND WUHAN CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

When testing the performance of the USB3.0 signal on the motherboard, the USB2.0 signal in the USB3.0 interface must be invalidated so as not to affect the test results, but the existing methods for invalidating the USB2.0 signal are relatively complicated

Method used

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Embodiment Construction

[0019] Please refer to figure 1 A preferred embodiment of the motherboard 100 of the present invention includes a south bridge chip 10 , a USB (Universal Serial Bus, Universal Serial Bus) 3.0 connector 20 and a grounding module 30 . The south bridge chip 10 is connected to the USB3.0 connector 20 and the ground module 30 . The grounding module 30 is connected to the USB3.0 connector 20 . The south bridge chip 10 is used for sending USB3.0 signals and USB2.0 signals to the USB3.0 connector 20 , and receiving the USB3.0 signals and USB2.0 signals sent by the USB3.0 connector 20 . The south bridge chip 10 is also used to control whether the grounding module 30 works. The grounding module 30 is used to make the USB2.0 signal sent by the south bridge chip 10 to the USB3.0 connector 20 flow into the ground.

[0020] Please also refer to figure 2 , the south bridge chip 10 includes two sending pins TX1 and TX2 for sending USB3.0 signals, two receiving pins RX1 and RX2 for receiv...

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Abstract

An electronic device includes a motherboard that includes a south bridge, a universal serial bus (USB) 3.0 connector, and a ground module. The south bridge is connected to the USB3.0 connector for transporting USB3.0 signals and USB2.0 signals. The grounded module is connected to the south bridge and the USB3.0 connector. The south bridge is used for controlling the ground module to work. The USB2.0 signals transmit between the south bridge and the USB3.0 connector flow into the ground, while the ground module is working.

Description

technical field [0001] The invention relates to a main board. Background technique [0002] The USB (Universal Serial Bus, Universal Serial Bus) 3.0 interface is generally compatible with the USB 2.0 interface, therefore, the USB 3.0 interface can transmit both USB 3.0 signals and USB 2.0 signals. When testing the performance of the USB3.0 signal on the motherboard, it is necessary to disable the USB2.0 signal in the USB3.0 interface, so as not to affect the test result. However, the existing ways to disable the USB2.0 signal are relatively complicated. Contents of the invention [0003] In view of the above, it is necessary to provide a motherboard with a simple structure that can selectively disable the USB2.0 signal in the USB3.0 interface. [0004] A kind of main board, comprises a south bridge chip, a USB3.0 connector and a grounding module, and described south bridge chip is connected with described USB3.0 connector, is used for transmitting USB3.0 signal and USB2.0...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F1/16
CPCG06F13/4068G06F13/4282
Inventor 黄开龙陈俊生
Owner HONG FU JIN PRECISION IND WUHAN CO LTD
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