Home-made automatic embedded computer system and display card driving method thereof
A technology driven by an embedded computer and graphics card, applied in the direction of program control devices, etc., to achieve strong performance, improve portability, improve human-computer interaction performance and graphics display and control performance.
Active Publication Date: 2015-02-18
湖南长城科技信息有限公司 +1
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The invention discloses a home-made automatic embedded computer system and a display card driving method thereof. The home-made automatic embedded computer system comprises a dragon chip 2F central processing unit and an SM722 display chip, wherein the SM722 display chip is connected with a dragon chip 2F by virtue of a PCI (Peripheral Component Interconnect) bus. The display card driving method comprises the following steps: modifying a firmware layer driver capable of supporting SM712 and an operating system nucleus layer driver, so that the dragon chip carries an SM722 display chip which is originally incapable of supporting an MIPS (Million Instructions Per Second) framework and the PCI bus and thus has higher performance. The home-made automatic embedded computer system has the advantages that the computer human interaction performance and pattern display control performance of products are enhanced and the application field of dragon chip 2F processors is expanded.
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