CN203786601U - Display card - Google Patents
Display card Download PDFInfo
- Publication number
- CN203786601U CN203786601U CN201320870812.2U CN201320870812U CN203786601U CN 203786601 U CN203786601 U CN 203786601U CN 201320870812 U CN201320870812 U CN 201320870812U CN 203786601 U CN203786601 U CN 203786601U
- Authority
- CN
- China
- Prior art keywords
- interface
- control chip
- dms59
- main control
- dvi
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000758 substrate Substances 0.000 claims abstract description 18
- 230000005855 radiation Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 2
- 230000009977 dual effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The utility model discloses a display card. The display card comprises a circuit substrate. The circuit substrate comprises a PCIE bus interface, a master control chip and a video memory, wherein the PCIE bus interface is used for receiving image data information pushed by a host, the master control chip is connected with the PCIE bus interface and used for processing the image data information and outputting video signals, and the video memory is connected with the master control chip and used for storing image data information processed by the master control chip. The circuit substrate further comprises a video output interface connected with the master control chip. The video output interface is used for being selectively connected with an adapter capable of outputting two sets of VGA signals or two sets of DVI signals or one set of VGA signals and one set of DVI signals in a plugged mode. The display card can be dually connected with a DVI/VGA display through the same configuration interface so that the DVI/VGA display can achieve dual display.
Description
Technical field
The utility model relates to COMPUTER VIDEO DISPLAYING TECHNOLOGY field, more particularly, relates to a kind of display card.
Background technology
Existing computer display card can configure DVI(Digital Visual Interface, digital visual interface), HDMI(High Definition Multimedia Interface, HDMI (High Definition Multimedia Interface)), DP(Display Port, display interface), VGA(Video Graphics Array, analog signal output interface) the dissimilar interface such as, by these display interfaces, connect host computer and display, display card is born the task of output display figure.But the computer display card that currently available technology provides is for same configuration interface, cannot two connecing DVI/VGA display, to realize DVI/VGA display two aobvious.
Utility model content
The technical problems to be solved in the utility model is, the above-mentioned defect for prior art, provides a kind of display card, can realize DVI/VGA display for same configuration interface two aobvious.
The utility model solves the technical scheme that its technical matters adopts, construct a kind of display card, comprise circuit substrate, the PCIE bus interface that comprises the image data information pushing for Receiving Host on described circuit substrate, be connected for the treatment of the main control chip of described image data information outputting video signal with described PCIE bus interface, be connected with described main control chip for storing the video memory of the image data information that described main control chip is disposed, wherein, on described circuit substrate, also comprise the video output interface being connected with described main control chip, described video output interface is for the adapter of optionally peg graft exportable two groups of VGA signals or two groups of DVI signals or one group of VGA signal and one group of DVI signal.
In display card described in the utility model, described video output interface is DMS59 interface, and described adapter is that DMS59 turns two DVI patchcords or DMS59 and turns two VGA patchcords or DMS59 and turn VGA and DVI patchcord or DMS59 and turn VGA and DVI patchcord.
In display card described in the utility model, described main control chip comprises that two groups are converted to and export the digital to analog converter of described DMS59 interface and two groups after VGA signal to for the image data information of described video memory being exported to the data connector of described DMS59 interface for the image data information being disposed that described video memory is stored, and described digital to analog converter is all connected with described DMS59 interface with described video memory with described data connector.
In display card described in the utility model, described main control chip comprises the image processor of the image data information receiving for the treatment of described PCIE bus interface, and described image processor is connected with described video memory with described PCIE bus interface.
In display card described in the utility model, on described circuit substrate, be also provided with the power transfer module for by externally fed voltage transitions being the above PCIE bus interface of described circuit substrate, described main control chip, described video memory and described DMS59 interfaces required voltage, described power transfer module is connected with described PCIE bus interface, described main control chip, described video memory and described DMS59 interface respectively.
In display card described in the utility model, on described circuit substrate, also comprise the radiator fan that is used to described main control chip and the heat radiation of described video memory, described radiator fan is connected with described video memory with described main control chip.
Compared with prior art, advantage of the present utility model is as follows:
The video output interface adopting in the utility model is for the adapter of optionally peg graft exportable two groups of VGA signals or two groups of DVI signals or one group of VGA signal and one group of DVI signal, can, by the two DVI/VGA displays that connect of this video output interface, for same Interface realization DVI/VGA display is two, show.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structured flowchart of main control chip in the utility model;
Fig. 3 is that the utility model is applied to DVI display schematic diagram when two aobvious;
Fig. 4 is that the utility model is applied to the schematic diagram of VGA display when two aobvious;
Fig. 5 is that the utility model is applied to two schematic diagram when aobvious of VGA display and DVI display.
Embodiment
In order to solve in prior art existing display card, can not connect the two aobvious defect that DVI/VGA display is realized DVI/VGA display by same interface is two, innovative point of the present utility model is: the video output interface of employing can be used in the adapter of optionally peg graft exportable two groups of VGA signals or two groups of DVI signals or one group of VGA signal and one group of DVI signal.
Due to the design of this video output interface, so solved, of the prior artly for same interface, can not two connect DVI/VGA display and realize two aobvious problems, realized by the two DVI/VGA displays that connect of same interface and realized two aobvious objects.
For technical characterictic of the present utility model, object and effect being had more clearly, understand, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
Shown in Figure 1, a kind of display card that the utility model provides, comprise circuit substrate, on circuit substrate, be provided with the PCIE bus interface 1 of the image data information pushing for Receiving Host, be connected with PCIE bus interface 1 for the treatment of the main control chip 2 of image data information outputting video signal, be connected with main control chip 2 for storing the video memory 3 of the image data information that main control chip 2 is disposed, in addition, on circuit substrate, also comprise the video output interface being connected with main control chip 2, video output interface is for the adapter of optionally peg graft exportable two groups of VGA signals or two groups of DVI signals or one group of VGA signal and one group of DVI signal.Particularly, this video output interface is DMS59 interface, and adapter is that DMS59 turns two DVI patchcords or DMS59 turns two VGA patchcords or DMS59 turns VGA and DVI patchcord.
Shown in Figure 2, main control chip 2 comprises that two groups export the digital to analog converter of DMS59 interface 4 and two groups after VGA signal to for the image data information of described video memory 3 being exported to the data connector of described DMS59 interface 4 for the image data information being disposed of described video memory 3 storages is converted to, and the first digital to analog converter 2b, the second digital to analog converter 2c, the first data connector 2d, the second data connector 2e are all connected with DMS59 interface 4 with video memory 3.In addition, main control chip 2 comprises the image processor 2a of the image data information receiving for the treatment of PCIE bus interface 1, and image processor 2a is connected with video memory 3 with PCIE bus interface 1.
On circuit substrate, be also provided with for being the power transfer module 5 of PCIE bus interface 1, main control chip 2, video memory 3 and DMS59 interface 4 work required voltages by externally fed voltage transitions and being used to main control chip 2 and the radiator fan (not shown) of video memory 3 heat radiations, wherein power transfer module 5 is all connected with PCIE bus interface 1, main control chip 2, video memory 3, DMS59 interface 4, and radiator fan is connected with video memory 3 with main control chip 2.
Fig. 3 is that the utility model is applied to DVI display schematic diagram when two aobvious.Shown in Figure 3, the utility model is applied to DVI display when two aobvious, first need the patchcord that utilizes DMS59 to turn two DVI by the DMS59 interface 4 on display card, main frame and two DVI displays to be coupled together, after main frame powers on, the supply voltage that the power transfer module of display card inside provides main frame is converted to the required supply voltage of display card internal part work, make display card enter duty, now, main frame is sent to the image processor 2a in display card by PCIE bus interface 1 by the image data information in host memory, image processor 2a processes image data information, and the image data information after being disposed is sent in video memory 3 and is stored, radiator fan also can enter duty simultaneously, main control chip 2 and video memory 3 are dispelled the heat, avoid the too high flower screen that causes of heat due to main control chip 2 or video memory 3, the problems such as deadlock, the first digital to analog converter 2b and the second digital to analog converter 2c read respectively the image data information after being disposed from video memory 3, and respectively the digital video signal in image data information is converted to analog video signal, the first data connector 2d and the second data connector 2e read respectively the digital video signal in the image data information after being disposed from video memory 3, then respectively above-mentioned two groups of analog video signals and two groups of digital video signals are sent to DMS59 interface 4 simultaneously, DMS59 interface 4 receives two groups of digital to analog converters and two groups of data connectors send over two groups of analog video signals and two groups of digital video signals, and the digital video signal of the analog video signal of the first digital to analog converter 2b output and the first data connector 2d output is combined into one group of DVI signal, the digital video signal of the analog video signal of the second digital to analog converter 2c output and the second data connector 2e output is combined into second group of DVI signal, by DMS59, turning two DVI patchcords transfers to two DVI displays by two groups of DVI signals and carries out two aobvious, so far this display card completes two aobvious functions by same Interface realization DVI.
Fig. 4 is that the utility model is applied to VGA display schematic diagram when two aobvious.Shown in Figure 4, the utility model is applied to VGA display when two aobvious, first need the patchcord that utilizes DMS59 to turn two VGA by the DMS59 interface 4 on display card, main frame and two VGA displays to be coupled together, after main frame powers on, the supply voltage that the power transfer module of display card inside provides main frame is converted to the required supply voltage of display card internal part work, make display card enter duty, now, main frame is sent to the image processor 2a in display card by PCIE bus interface 1 by the image data information in host memory, image processor 2a processes image data information, and the image data information after being disposed is sent in video memory 3 and is stored, radiator fan also can enter duty simultaneously, main control chip 2 and video memory 3 are dispelled the heat, the first digital to analog converter 2b and the second digital to analog converter 2c read respectively the image data information after being disposed from video memory 3, and be sent to DMS59 interface 4 after respectively the digital video signal in image data information being converted to analog video signal, DMS59 interface 4 receives two groups of two-way analog video signals that digital to analog converter sends over, and two-way analog video signal is turned to two VGA patchcords by DMS59 transfer to two VGA displays and carry out two aobvious, so far this display card completes two aobvious functions by same Interface realization VGA.
Fig. 5 is that the utility model is applied to two schematic diagram when aobvious of VGA display and DVI display.Shown in Figure 5, it is two when aobvious that the utility model is applied to VGA display and DVI display, first the patchcord that needs to utilize DMS59 to turn VGA and DVI couples together main frame and a VGA display and a DVI display by the DMS59 interface 4 on display card, after main frame powers on, the supply voltage that the power transfer module of display card inside provides main frame is converted to the required supply voltage of display card internal part work, make display card enter duty, now, main frame is sent to the image processor 2a in display card by PCIE bus interface 1 by the image data information in host memory, image processor 2a processes image data information, and the image data information after being disposed is sent in video memory 3 and is stored, radiator fan also can enter duty simultaneously, main control chip 2 and video memory 3 are dispelled the heat, the first digital to analog converter 2b and the second digital to analog converter 2c read respectively the image data information after being disposed from video memory 3, and respectively the digital video signal in image data information is converted to analog video signal, the first data connector 2d and the second data connector 2e read respectively the digital video signal in the image data information after being disposed from video memory 3, then respectively above-mentioned two groups of analog video signals and two groups of digital video signals are sent to DMS59 interface 4 simultaneously, DMS59 interface 4 receives two groups of digital to analog converters and two groups of data connectors send over two groups of analog video signals and two groups of digital video signals, and the digital video signal of the analog video signal of the first digital to analog converter 2b output and the first data connector 2d output is combined into one group of DVI signal, then the analog video signal of this DVI signal and the second data connector 2e output is turned to VGA by DMS59 and DVI patchcord transfers to respectively DVI display and VGA display carries out two aobvious, so far this display card completes by same Interface realization VGA display and the two aobvious functions of DVI display.
By reference to the accompanying drawings embodiment of the present utility model is described above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not departing from the scope situation that the utility model aim and claim protect, also can make a lot of forms, within these all belong to protection of the present utility model.
Claims (6)
1. a display card, comprise circuit substrate, the PCIE bus interface (1) that comprises the image data information pushing for Receiving Host on described circuit substrate, be connected with described PCIE bus interface (1) for the treatment of the main control chip (2) of described image data information outputting video signal, be connected with described main control chip (2) for storing the video memory (3) of the image data information that described main control chip (2) is disposed, it is characterized in that, on described circuit substrate, also comprise the video output interface being connected with described main control chip (2), described video output interface is for the adapter of optionally peg graft exportable two groups of VGA signals or two groups of DVI signals or one group of VGA signal and one group of DVI signal.
2. display card according to claim 1, is characterized in that, described video output interface is DMS59 interface (4), and described adapter is that DMS59 turns two DVI patchcords or DMS59 turns two VGA patchcords or DMS59 turns VGA and DVI patchcord.
3. display card according to claim 2, it is characterized in that, described main control chip (2) comprises that two groups export the digital to analog converter of described DMS59 interface (4) and two groups after VGA signal to for the image data information of described video memory (3) being exported to the data connectors of described DMS59 interface (4) for the image data information being disposed of described video memory (3) storage is converted to, and described digital to analog converter is all connected with described DMS59 interface (4) with described video memory (3) with described data connector.
4. display card according to claim 3, it is characterized in that, described main control chip (2) also comprises the image processor (2a) of the image data information receiving for the treatment of described PCIE bus interface (1), and described image processor (2a) is connected with described video memory (3) with described PCIE bus interface (1).
5. display card according to claim 4, it is characterized in that, on described circuit substrate, also comprise the power transfer module (5) for by externally fed voltage transitions being described PCIE interface (1), described main control chip (2), described video memory (3) and described DMS59 interface (4) work required voltage, described power transfer module (5) is connected with described PCIE bus interface (1), described main control chip (2), described video memory (3), described DMS59 interface (4) respectively.
6. display card according to claim 5, it is characterized in that, on described circuit substrate, also comprise the radiator fan that is used to described main control chip (2) and described video memory (3) heat radiation, described radiator fan is connected with described video memory (3) with described main control chip (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320870812.2U CN203786601U (en) | 2013-12-26 | 2013-12-26 | Display card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320870812.2U CN203786601U (en) | 2013-12-26 | 2013-12-26 | Display card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203786601U true CN203786601U (en) | 2014-08-20 |
Family
ID=51322765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320870812.2U Expired - Lifetime CN203786601U (en) | 2013-12-26 | 2013-12-26 | Display card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203786601U (en) |
-
2013
- 2013-12-26 CN CN201320870812.2U patent/CN203786601U/en not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10572429B2 (en) | Port extension apparatus | |
| CN203851223U (en) | Conversion circuit converting LVDS to DVI and HDMI based on FPGA | |
| US8897030B2 (en) | Expansion apparatus with serial advanced technology attachment dual in-line memory module device | |
| CN103616935A (en) | Embedded computer mainboard | |
| CN105118441A (en) | LED display screen control card for asynchronous control system | |
| CN204808305U (en) | Docking station | |
| CN204539339U (en) | Based on video acquisition and the detection system of SOPC | |
| CN212012861U (en) | Signal conversion device, display equipment and display system | |
| CN103813125B (en) | A kind of duplex digital image processing system | |
| CN203300153U (en) | Ultrahigh-resolution-ratio LED splicing displaying system | |
| CN203786601U (en) | Display card | |
| CN202677260U (en) | Computer and display card and mainboard thereof | |
| CN204031327U (en) | Based on DisplayPort, realize the control device of video wall splicing | |
| CN201440468U (en) | HDMI connector | |
| US9756384B2 (en) | Electronic device with different processing modes | |
| CN101483768B (en) | Electronic apparatus | |
| CN211959380U (en) | Image processing module | |
| CN215121002U (en) | Dual-path VGA automatic switching circuit based on BMC | |
| CN105549930A (en) | LED display screen control system and USB Type-C adapter | |
| CN203910232U (en) | Gray scale display control device for field emission display | |
| CN203673396U (en) | Multifunctional master board with OPS interface | |
| CN103489403A (en) | Active matrix organic light emitting diode screen display driver chip system | |
| CN103139331B (en) | Mobile phone photographing circuit and mobile terminal with the same | |
| CN103217917B (en) | A kind of VGA expansion interface circuit being applicable to Single Chip Microcomputer (SCM) system | |
| CN202583953U (en) | Industrial control mainboard with multiple display interface |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140820 |