CN104199630A - MXM graphics card configuration method based on Loongson processor computer platform - Google Patents
MXM graphics card configuration method based on Loongson processor computer platform Download PDFInfo
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- CN104199630A CN104199630A CN201410433382.7A CN201410433382A CN104199630A CN 104199630 A CN104199630 A CN 104199630A CN 201410433382 A CN201410433382 A CN 201410433382A CN 104199630 A CN104199630 A CN 104199630A
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Abstract
The invention discloses an MXM graphics card configuration method based on a Loongson processor computer platform and belongs to a graphics card configuration method. The method aims to solve the technical problem about how to configure an MXM graphics card on the Loongson processor computer platform. According to the technical scheme, applied hardware comprises the MXM graphics card, a graphics card carrier board and a backboard of a computer mainboard, signal interaction between the MXM graphics card and the computer mainboard is completed through the graphics card carrier board and the backboard, a CPCI connector is arranged on the graphics card carrier board, an interface output signal of the MXM graphics card is transmitted to the backboard by the graphics card carrier board through the CPCI connector, driving codes of a computer system are changed, and the MXM graphics card can be supported by a computer driver; a control program between the MXM graphics card and a driving program is changed, an output port of DVI signals is assigned, and differential signals required by a DVI interface are output through the assigned output port.
Description
Technical field
The present invention relates to a kind of collocation method of video card, specifically a kind of collocation method of the MXM video card based on Godson processor computer platform.
Background technology
Godson (English: Loongson, is once called as GODSON) is the universal cpu of Inst. of Computing Techn. Academia Sinica's design, adopts MIPS reduced instruction set computer framework, has obtained the license of MIPS scientific & technical corporation.The frequency that No. 1, Godson is 266MHz, brings into use as far back as 2002.The frequency of Godson-2 is up to 1GHz.Godson 3A is first domestic commercial 4 core processors, and its frequency of operation is 900MHz～1GHz.The peak value computing power of Godson 3A reaches 16GFLOPS.Godson 3B is first domestic commercial 8 core processors, and dominant frequency reaches 1GHz, and support vector computing is accelerated, and peak value computing power reaches 128GFLOPS, has very high power dissipation ratio of performance.
MXM video card, the i.e. video card of MXM interface.MXM interface is Mobile PCI Express Module, this is a set of based on PCI-Express interface, the equipment interface designing for graphic process unit, be positioned dissimilar notebook product, jointly to be formulated by nVidia and many notebook computer manufacturers, the communications protocol of employing and PCI-Express compatibility, therefore can be used in the drawing core of all support PCI-Express specifications and the chipset of support PCI-Express drawing interface, it has shortened the cycle of product design incessantly, and manufacturer can provide because of the different demands of user the MXM video card product of different brackets, user can be as required upgrading MXM video card and without changing whole notebook computer in the future voluntarily.
In army, advocate energetically under the overall situation of autonomous controlled development, the a collection of newest fruits based on domestic processor, firmware, operating system is progressively applied in national defence and construction of military informatization, but the current situation that is limited to domestic processor, the performance of home brewed computer is still not enough to some extent.Although Godson processor technology is comparatively ripe, but its integrated display performance is poor, adaptive successfully display card model is extremely limited, and not only performance low side but also majority stop production, above Bottleneck Restrictions the application of home brewed computer aspect in-vehicle electronic system Video processing.
Summary of the invention
Technical assignment of the present invention is for above weak point, provide a kind of based on Godson processor computer platform, adopt the mode that software and hardware combines that a MXM video card is embedded into and is shown in design, realize MXM video card at the collocation method of the adaptation of Godson processor computer platform and a kind of MXM video card based on Godson processor computer platform of application.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of collocation method of the MXM video card based on Godson processor computer platform, based on Godson processor computer platform, adopt the mode that software and hardware combines that a MXM video card is embedded into and is shown in design, realize MXM video card in the adaptive and application of Godson processor computer platform;
Applied hardware comprises the backboard of MXM video card, video card support plate and computer motherboard, the signal of MXM video card and calculation owner plate completes by video card support plate and backboard alternately, on video card support plate, be provided with CPCI connector, video card support plate is transferred to the interface output signal of MXM video card on backboard by CPCI connector
The driving code of change computer system, makes MXM video card obtain computer drives support: the control program between change MXM video card and driver, the output port of appointment DVI signal, exports by the output port of appointment the differential signal that DVI interface needs.
MXM video card has 4 output port: PORT-A, PORT-B, PORT-C, PORT-D, and specifying PORT-B is the output port of DVI signal.
4 groups of differential signals of the PORT-B output port on MXM video card are moved on the CPCI connector of video card support plate, and for exporting DVI signal, bus interface meets CPCI and MXM interface specification.
The driving code of change computer system, in computer system, the driver of load driver MXM video card, and revise the configuration file that drives video card to show in computer system kernel, regenerate an xorg.conf configuration.
Compared to the prior art the collocation method of a kind of MXM video card based on Godson processor computer platform of the present invention, has solved following technical matters:
1, build the circuit of hardware, realize the correct mutual of processor and MXM video card signal;
2, the control program between change video card VBIOS(MXM video card and driver), the DVI delivery outlet of MXM video card can be matched with hardware circuit, realize the correct output of display;
3, change system kernel, increases the driver of supporting this model MXM video card.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further described.
Accompanying drawing 1 is a kind of signal connection diagram of collocation method of the MXM video card based on Godson processor computer platform.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Embodiment 1:
The collocation method of a kind of MXM video card based on Godson processor computer platform of the present invention, based on Godson processor computer platform, adopt the mode that software and hardware combines that a MXM video card is embedded into and is shown in design, realize MXM video card in the adaptive and application of Godson processor computer platform;
Applied hardware comprises the backboard of MXM video card, video card support plate and computer motherboard, the signal of MXM video card and calculation owner plate completes by video card support plate and backboard alternately, on video card support plate, be provided with CPCI connector, video card support plate is transferred to the interface output signal of MXM video card on backboard by CPCI connector
The driving code of change computer system, makes MXM video card obtain computer drives support: the control program between change MXM video card and driver, the output port of appointment DVI signal, exports by the output port of appointment the differential signal that DVI interface needs.
Embodiment 2:
The collocation method of a kind of MXM video card based on Godson processor computer platform of the present invention, based on Godson processor computer platform, adopt the mode that software and hardware combines that a MXM video card is embedded into and is shown in design, realize MXM video card in the adaptive and application of Godson processor computer platform;
Applied hardware comprises the backboard of MXM video card, video card support plate and computer motherboard, the signal of MXM video card and calculation owner plate completes by video card support plate and backboard alternately, on video card support plate, be provided with CPCI connector, video card support plate is transferred to the interface output signal of MXM video card on backboard by CPCI connector
The driving code of change computer system, makes MXM video card obtain computer drives support: the control program between change MXM video card and driver, the output port of appointment DVI signal, exports by the output port of appointment the differential signal that DVI interface needs.
MXM video card has 4 output port: PORT-A, PORT-B, PORT-C, PORT-D, and specifying PORT-B is the output port of DVI signal.
4 groups of differential signals of the PORT-B output port on MXM video card are moved on the CPCI connector of video card support plate, and for exporting DVI signal, bus interface meets CPCI and MXM interface specification.
The driving code of change computer system, in computer system, the driver of load driver MXM video card, and revise the configuration file that drives video card to show in computer system kernel, regenerate an xorg.conf configuration.
Embodiment 3:
The collocation method of a kind of MXM video card based on Godson processor computer platform of the present invention, based on Godson processor computer platform, adopt the mode that software and hardware combines that a MXM video card is embedded into and is shown in design, realize MXM video card in the adaptive and application of Godson processor computer platform.
As shown in Figure 1, this design hardware circuit is comprised of the backboard of MXM video card, video card support plate and computer motherboard, the signal of MXM video card and mainboard mainly completes by video card support plate and backboard alternately, the two cooperation completes the control of processor to MXM video card, in order to realize double screen, show and 4 groups of differential signals of the PORT-B mouth on MXM video card need to be moved on CPCI connector, be used for exporting DVI signal, bus interface meets CPCI and MXM interface specification.
Another part content of this design is the corresponding code that drives of change, makes MXM video card obtain driving support.First will be according to hardware annexation specific aim change MXM video card VBIOS, it is the control program between MXM video card chip and driver, specify DVI signal output port, A, B, C, D PORT in illustrating, in this design, DVI output port is appointed as to PORT-B, the differential signal being needed by PORT-B output DVI interface.This MXM video card itself supports double screen to show, and has one group of VGA signal output, has completed the output of DVI signal, and the double screen that can realize VGA and DVI shows.
Secondly Godson processor computer platform carry in check this video card and lack corresponding driver, therefore need to change system kernel, the driver of this MXM video card of load driver, and revise the configuration file that drives video card to show in kernel, and regenerate xorg.conf configuration.Finally the cooperation by hardware circuit, MXM video card and driving realizes the application of MXM video card on Godson processor computer platform.
Above-mentioned embodiment is only concrete case of the present invention; scope of patent protection of the present invention includes but not limited to above-mentioned embodiment; suitable variation or replacement claims of the collocation method of any a kind of MXM video card based on Godson processor computer platform according to the invention and that any person of an ordinary skill in the technical field does it, all should fall into scope of patent protection of the present invention.
Claims (4)
1. the collocation method of the MXM video card based on Godson processor computer platform, it is characterized in that based on Godson processor computer platform, adopt the mode that software and hardware combines that a MXM video card is embedded into and is shown in design, realize MXM video card in the adaptive and application of Godson processor computer platform;
Applied hardware comprises the backboard of MXM video card, video card support plate and computer motherboard, the signal of MXM video card and calculation owner plate completes by video card support plate and backboard alternately, on video card support plate, be provided with CPCI connector, video card support plate is transferred to the interface output signal of MXM video card on backboard by CPCI connector
The driving code of change computer system, makes MXM video card obtain computer drives support: the control program between change MXM video card and driver, the output port of appointment DVI signal, exports by the output port of appointment the differential signal that DVI interface needs.
2. the collocation method of a kind of MXM video card based on Godson processor computer platform according to claim 1, it is characterized in that MXM video card has 4 output port: PORT-A, PORT-B, PORT-C, PORT-D, specifying PORT-B is the output port of DVI signal.
3. the collocation method of a kind of MXM video card based on Godson processor computer platform according to claim 2,4 groups of differential signals that it is characterized in that the PORT-B output port on MXM video card are moved on the CPCI connector of video card support plate, be used for exporting DVI signal, bus interface meets CPCI and MXM interface specification.
4. the collocation method of a kind of MXM video card based on Godson processor computer platform according to claim 1, it is characterized in that changing the driving code of computer system, in computer system, the driver of load driver MXM video card, and revise the configuration file that drives video card to show in computer system kernel, regenerate an xorg.conf configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410433382.7A CN104199630A (en) | 2014-08-29 | 2014-08-29 | MXM graphics card configuration method based on Loongson processor computer platform |
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| CN201410433382.7A CN104199630A (en) | 2014-08-29 | 2014-08-29 | MXM graphics card configuration method based on Loongson processor computer platform |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104951268A (en) * | 2015-06-12 | 2015-09-30 | 山东超越数控电子有限公司 | Method for implementing extended high-performance graphics card based on CPCI |
| CN109753464A (en) * | 2017-11-07 | 2019-05-14 | 哈尔滨工大雷信科技有限公司 | Operation switching device based on OpenVPX standard |
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| CN2802583Y (en) * | 2005-06-24 | 2006-08-02 | 惠州市Tcl电脑科技有限责任公司 | PCIE 16X-MXM display switching card |
| US20090213223A1 (en) * | 2008-02-21 | 2009-08-27 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Testing system for a video card and a testing method thereof |
| CN102023880A (en) * | 2010-11-04 | 2011-04-20 | 天津曙光计算机产业有限公司 | Basic input/output system (BIOS) for godson blade |
| CN102662708A (en) * | 2012-03-31 | 2012-09-12 | 中标软件有限公司 | Linux operating system and display card driving device thereof |
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2014
- 2014-08-29 CN CN201410433382.7A patent/CN104199630A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2802583Y (en) * | 2005-06-24 | 2006-08-02 | 惠州市Tcl电脑科技有限责任公司 | PCIE 16X-MXM display switching card |
| US20090213223A1 (en) * | 2008-02-21 | 2009-08-27 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Testing system for a video card and a testing method thereof |
| CN102023880A (en) * | 2010-11-04 | 2011-04-20 | 天津曙光计算机产业有限公司 | Basic input/output system (BIOS) for godson blade |
| CN102662708A (en) * | 2012-03-31 | 2012-09-12 | 中标软件有限公司 | Linux operating system and display card driving device thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104951268A (en) * | 2015-06-12 | 2015-09-30 | 山东超越数控电子有限公司 | Method for implementing extended high-performance graphics card based on CPCI |
| CN109753464A (en) * | 2017-11-07 | 2019-05-14 | 哈尔滨工大雷信科技有限公司 | Operation switching device based on OpenVPX standard |
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Application publication date: 20141210 |