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Computer and built-in function sub-board thereof

A computer and functional technology, applied in the protection of internal/peripheral computer components, etc., can solve the problems of hidden dangers in the protection of data resources, and achieve the effect of eliminating hidden dangers and realizing data resources.

Inactive Publication Date: 2013-07-03
CHINA GREATWALL TECH GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, on the other hand, this kind of traditional external USB interface realizes data storage through an external USB storage device, which has potential safety hazards for the protection of data resources with a high security level.

Method used

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  • Computer and built-in function sub-board thereof

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Embodiment Construction

[0018] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0019] The built-in function sub-board of the computer provided by the invention comprises:

[0020] A USB hub, a USB selection switch, a USB multiplexing switch, multiple U disks, and a conversion chip;

[0021] The USB multiplexing switch, multiple U disks and conversion chips are respectively connected to the USB hub through the USB bus, and the multiple U disks are also respectively connected to the USB selection switch; the USB selection switch can be realized by software or hardware alone; the whole block is built-in The function sub-board is connected with the main board of the computer thr...

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Abstract

The invention belongs to the field of computer application and particularly relates to a computer and a built-in function sub-board thereof. The built-in function sub-board comprises a USB (universal serial bus) hub, a USB option switch, a USB multiplex switch, a plurality of U disks and a conversion chip; the built-in function sub-board is connected with a main board of the computer through a serial port; the serial port is connected with the USB hub through the conversion chip from a USB to the serial port in the built-in function sub-board; and the two U disks with certain capacity are connected with the USB hub and connected with the USB option switch at the same time. A user can perform an operation of detecting, updating, deleting or the like on data in the two different U disks through the USB option switch so as to achieve isolated protection of data resources.

Description

technical field [0001] The invention belongs to the field of computer applications, in particular to a computer and its built-in function sub-board. Background technique [0002] USB (Universal Serial BUS, Universal Serial Bus) is an external bus standard, a serial bus standard for connecting computer systems and external devices, and is used to standardize the connection and communication between computers and external devices. The USB interface supports the plug-and-play and hot-swap functions of the device. [0003] Since its launch in 1996, USB has successfully replaced serial ports and parallel ports, and has become one of the must-have interfaces for personal computers and a large number of smart devices today. At present, the motherboard mainly adopts USB1.1 and USB2.0, and each USB version can be well compatible. USB uses a 4-pin (USB3.0 standard is 9-pin) plug as a standard plug, and all peripherals can be connected in a daisy chain, up to 127 external devices can...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/74
Inventor 白石贾兵宋靖王淼吴燕琴林聪发黄志鹏
Owner CHINA GREATWALL TECH GRP CO LTD
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