CN1241099C - Plotting display structure and control chip group in it - Google Patents
Plotting display structure and control chip group in it Download PDFInfo
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- CN1241099C CN1241099C CN 03152620 CN03152620A CN1241099C CN 1241099 C CN1241099 C CN 1241099C CN 03152620 CN03152620 CN 03152620 CN 03152620 A CN03152620 A CN 03152620A CN 1241099 C CN1241099 C CN 1241099C
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- slot
- card slot
- drafting card
- display device
- control chip
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Abstract
The present invention relates to a drawing displaying structure which comprises: a control chip set, an AGP slot and a PCIE slot, wherein the control chip set comprises: an AGP core circuit, a PCIE core circuit, a drawing (Gfx) core circuit and a multi-path switching/multi-path disintegrating machine which is used, the control chip set simultaneously supports the specification of an AGP interface, the specification of a PCIE interface and a Gfx interface by a plurality of core circuits and can be simultaneously coupled to the AGP slot and the PCIE slot, and a host board is simultaneously used for supporting interface specifications displayed by a plurality of drawings.
Description
Technical field
The present invention is relevant for a kind of device of the display circuit of drawing, and particularly relevant for drawing display circuit device in a kind of computer main frame panel and wherein control chip group.
Background technology
Computer system is except the improve of pursuing operational performance; drawing function also is the target of constantly making great efforts fast; wherein relevant stereoscopic drawing (3D-graphic) etc. needs the use more and more widely of the big data quantity or the drawing technique of fast interactive (interactive); but be exactly because the data volume of required transmission is very big, so regular meeting reduces the performance of total system and speed.Can make the output/input of total system cause the problem of obstruction in order to solve the conventional process mode, use a kind of interface specification that is called the acceleration port of drawing (Accelerated Graphic Port is called for short AGP) in this area directly connects the control chip group (Control Chip Set) on drawing chip (Graphic Chip) and the motherboard.Present drawing is quickened port and is comprised single-frequency pattern (1x mode), frequency multiplication pattern (2x mode), quadruple pattern (4x mode) and octonary pattern several mode of operations such as (8x mode), with Data transmission between drawing chip and control chip group.
In addition, for the control chip group of computer main frame panel now, bus between its north bridge chips and South Bridge chip just has multiple different bus interface specification, include traditional peripheral unit and connect (Peripheral Component Interconnection, abbreviation PCI) bus, super transmission (HyperTransport, abbreviation HT) bus, VLINK bus (the VLINK bus is that VIA Technologies Inc. develops voluntarily) and peripheral unit connect express delivery (Peripheral Component InterconnectionExpress is called for short PCIE) bus etc.PCIE bus wherein also often is used in the drawing display circuit device in the computer main frame panel owing to its excellent performance.
In the present drawing display circuit device, also because different Considerations, multiple different interface specification and develop, comprise: tradition is used in the analog signal interface of common CRT screen, be suitable for using FD interface in the LCD screen of mobile computer, be used in video output or input interface (TV in/out) that image obtains, be suitable for the TMDS interface that long distance is used, Low Voltage Differential Signal (LowVoltage Differential Signaling, be called for short LVDS) interface, and digital video interface (Digital Visual Interface, be called for short DVI) etc., but general name is (Graphics the is abbreviated as Gfx) interface of drawing.
Figure 1A is the drawing display device synoptic diagram in known a kind of pc board.Please refer to Figure 1A, control chip group 110 is couple to the AGP 8x slot 115 of octonary pattern, and the drafting card (not shown) is plugged in this AGP 8x slot 115, control chip group 110 shows drafting card to meet the data and the control signal of AGP 8x interface specification through AGP 8x slot 115.Figure 1B is the drawing display device synoptic diagram in the known another kind of pc board.Please refer to Figure 1B, control chip group 120 wherein is couple to PCIE slot 125, and the drafting card (not shown) is plugged in this PCIE slot 125.Fig. 1 C is the drawing display device synoptic diagram in known another pc board.Please refer to Fig. 1 C, control chip group 130 wherein is couple to the drawing chip 135 that uses the Gfx interface.Certainly also control chip group 130 can be couple to expansion slot 145, and the drafting card (not shown) with Gfx interface drawing chip is plugged in this expansion slot 145.
From Figure 1A, 1B, 1C as can be known, known drawing display device, for each different interface, the slot that its each self-corresponding control chip group and different size are arranged, cause the inconvenience of circuit design, version management and stock's control etc., although if any the control chip group that part Gfx interface and AGP interface are included, optionally the extrapolation display card is with the output shows signal by control chip group output shows signal or on the AGP of control chip group groove, and it still can't meet the needs that use the PCIE interface now.So be badly in need of that the drawing display device that can combine and support simultaneously PCIE interface specification, AGP interface specification and Gfx interface is arranged, and support at the same time not have too much topological design and circuit design on the motherboard of these functions, to avoid manufacturing and designing of motherboard too complicated.
Summary of the invention
Therefore purpose of the present invention is providing a kind of display device and control chip group wherein of drawing, and it can support PCIE interface specification, AGP interface specification and Gfx interface simultaneously, to reduce the inconvenience of circuit design, version management and stock's control etc.
A kind of drawing display device provided by the present invention comprises: AGP slot, PCIE slot and control chip group.Wherein the AGP slot has a plurality of first pins and can be in order to first drafting card of planting, and this first drafting card meets the AGP interface specification or supports the Gfx interface.And described PCIE slot has a plurality of second pins and can be in order to plant second drafting card, this second drafting card accord with PCI E interface specification.Described control chip group has a plurality of multiple definition pins, and these multiple definition pins are couple to first pin of AGP slot and second pin of PCIE slot simultaneously.When first drafting card is plugged on AGP slot and first drafting card when meeting the AGP interface specification, then these multiple definition pins send and receive the signal that meets the AGP interface specification.When first drafting card is plugged on AGP slot and first drafting card when meeting the Gfx interface, then these multiple definition pins send and receive the signal that meets the Gfx interface.When second drafting card was plugged on the PCIE slot, then these multiple definition pins sent the signal that receives accord with PCI E interface specification.
According to the preferred embodiments of the present invention, described control chip group uses same bus to be connected to AGP slot and PCIE slot, and the AGP slot of drawing display device is than the more close control chip group of PCIE slot.And according to another embodiment of the present invention, this drawing display device also includes switches set, one end of this switches set is connected to second pin of PCIE slot, the other end is connected to first pin of AGP slot, and on the relevant position that is electrically connected, be control chip group, PCIE slot, switches set and AGP slot in regular turn, then under this situation, the PCIE slot is than the more close control chip group of AGP slot.
From another viewpoint, drawing display device provided by the present invention, AGP slot wherein might not be supported two kinds of interface specifications simultaneously, as long as can meet the AGP interface specification or support Gfx interface any among both, even support the relevant interface specification of drawing and showing of other kinds, all should be within category of the present invention.Therefore, control chip group also should be to support PCIE interface specification and another kind of interface specification to get final product simultaneously.
Control chip group provided by the present invention, it is applicable to that this control chip group comprises at least in the described drawing display device: AGP core circuit, PCIE core circuit, Gfx core circuit, a plurality of multiple definition pin and multipath conversion/demultiplexer.The AGP core circuit is in order to control and send the signal that reception meets the AGP interface specification, the PCIE core circuit is in order to control and send the signal that receives accord with PCI E interface specification, similarly, the Gfx core circuit receives the signal that meets the Gfx interface specification in order to control and transmission.Described multipath conversion/demultiplexer is couple to AGP core circuit, PCIE core circuit, drawing core circuit and these multiple definition pins, it accept to select the control of signal, AGP core circuit, PCIE core circuit and Gfx core circuit three is selected one signal and is couple to these multiple definition pins.
Control chip group of the present invention is used a plurality of multiple definition pins, supports AGP interface specification, PCIE interface specification and Gfx interface simultaneously.So in the drawing display device of the present invention, these multiple definition pins can be couple to AGP slot and PCIE slot simultaneously, make and support the interface specification that multiple drawing shows in the same motherboard simultaneously.Therefore, can simplify circuit design, reduce the difficulty of version management and stock control etc.
For above-mentioned and other purposes of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and conjunction with figs. describe in detail.In the drawings, when element is regarded as " connection " or " couple " when arriving another element, it can be direct connection or is couple to another element, maybe may have intervenient element.Relatively, when element is regarded as " directly connect " or " directly couple " when arriving another element, then do not have intervenient element.
Description of drawings
Figure 1A is that the drawing in known a kind of pc board shows the structure synoptic diagram.
Figure 1B is the drawing display device synoptic diagram in the known another kind of pc board.
Fig. 1 C is the drawing display device synoptic diagram in known another pc board.
Fig. 2 is the interior drawing display device synoptic diagram of a kind of computer main frame panel according to one preferred embodiment of the present invention.
Fig. 3 is the drawing display device synoptic diagram in a kind of according to another embodiment of the present invention computer main frame panel.
Fig. 4 is the interior drawing display device synoptic diagram of a kind of computer main frame panel according to yet another embodiment of the invention.
Fig. 5 is the drawing display device synoptic diagram in a kind of according to another embodiment of the present invention computer main frame panel.
Fig. 6 is the block schematic diagram of the control chip group of a kind of display device of drawing according to one preferred embodiment of the present invention.
Description of reference numerals:
110,120,130,200 control chip group
115 AGP 8x slots
125,220 PCIE slots
210 AGP slots
240 AGP core circuits
250 PCIE core circuits
260 Gfx core circuits
270 multipath conversion/demultiplexer
More than 280 multiple definition pin
Embodiment
The present invention discloses a kind of drawing display device of computer main frame panel and control chip group wherein, this drawing display device connects acceleration port (AGP) slot of drawing by a control chip group with same bus and is connected express delivery interface (PCI Express) slot with peripheral unit, when graphic display card inserts one of them slot, then another slot can not work, and control chip group can be sent graphical display signal according to the interface specification of this graphic display card.
The present invention discloses a kind of control chip group of supporting multiple graphical display interface, in control chip group, have a plurality of graphics display control core circuits, and utilize traffic pilot to select the graphical display signal of one of them graphics display control core circuit of output, and control chip group is connected to few two slots with same bus, these two slots support drawing acceleration port display card to be connected the express delivery display card with peripheral unit respectively, need not support two display card slots with two circuit layouts or bus on motherboard.
Fig. 2 is the interior drawing display device synoptic diagram of a kind of computer main frame panel according to one preferred embodiment of the present invention.Please refer to Fig. 2, a kind of drawing display device provided by the present invention comprises at least: have the AGP slot 210 of a plurality of first pins, the control chip group 200 that has the PCIE slot 220 of a plurality of second pins and have a plurality of multiple definition pins.By finding out among Fig. 2, control chip group 200 is couple to AGP slot 210 earlier, then is couple to PCIE slot 220 again.In other words, in the drawing display device of this embodiment, AGP slot 210 is than PCIE slot 220 more close control chip group 200.More subtly, described multiple definition pin is couple to first pin of AGP slot 210 simultaneously, is connected to second pin of PCIE slot 220 again via first pin.Change speech, control chip group 200 connects AGP slot 210 and PCIE slot 220 with same bus, and need not connect AGP slot 210 and PCIE slot 220 respectively with two buses.
The drafting card (not shown) that can be used to plant on the AGP slot 210, this drafting card can meet the AGP interface specification, or the drawing chip in this drafting card is supported the Gfx interface.Because the general name of interfaces such as Gfx interface CRT signaling interface, FD interface, TV in/out interface, TMDS interface, LVDS interface and DVI interface.So when drafting card was supported the Gfx interface, the pin on this AGP slot 210 was defined by the signal pins of various Gfx interfaces again, only there is the specification of hardware such as mechanism to meet mechanism's specification of AGP interface.Similarly, PCIE slot 220 can be in order to plant drafting card (not shown), and this drafting card just must accord with PCI E interface specification.
When drafting card is plugged on AGP slot 210 and this drafting card when meeting the AGP interface specification, then these multiple definition pins of control chip group 200 send and receive data and the control signal that meets the AGP interface specification, through AGP slot 210 drafting card are shown.In like manner, when drafting card was plugged on AGP slot 210 and drafting card support Gfx interface, then these multiple definition pins sent and receive the signal that meets the Gfx interface, through AGP slot 210 drafting card are shown.And when the drafting card of accord with PCI E interface specification was plugged on the PCIE slot 220, then these multiple definition pins sent the signal that receives accord with PCI E interface specification, through PCIE slot 220 drafting card were shown again.
In the drawing display device of the embodiment of Fig. 2, AGP slot 210 is than the reason of PCIE slot 220 more close control chip group 200.Mainly be because the PCIE interface specification adopts differential (differential) mode to transmit signal, so-called differential mode is transmitted for each signal uses two signal line, when signal transmits on article one signal wire, then the signal that is transmitted on another signal line is the opposite signal of level, when transmitting on first signal wire " 1 " during signal, then the secondary signal line then transmits " 0 " signal, make the transmission of signal mistake can not occur, once two signal line when transmitting same signal, can be found out signal or data transfer error easily.So the PCIE interface specification more can pass the signal at a distance than AGP interface specification and can not produce mistake in theory.Therefore, can omit for example element such as terminal resistance, and still can steady operation, the manufacturing cost of motherboard can further be reduced.
As those skilled in the art as can be known, unless specify, AGP interface specification among the present invention general reference comprises single-frequency pattern, frequency multiplication pattern, quadruple pattern and octonary pattern, or the relevant AGP interface specification of other different operating voltages etc.And the AGP slot can be to use in the common type AGP slot of multiple different frequency multiplication patterns or operating voltage.
Fig. 3 is the drawing display device synoptic diagram in a kind of according to another embodiment of the present invention computer main frame panel.Be not described in detail and the previous embodiment something in common at this.Please refer to Fig. 3, this embodiment does not exist together with the embodiment of Fig. 2 and is that at first control chip group 200, PCIE slot 220 and AGP slot 210 threes are different on the relevant position that is electrically connected.Another difference is in this drawing display device and also includes switches set 230, and an end of this switches set 230 is connected to second pin of PCIE slot 220, and the other end is connected to first pin of AGP slot 210.Therefore, this two places difference of summation on the relevant position that is electrically connected, is control chip group 200, PCIE slot 220, switches set 230 and AGP slot 210 in regular turn.
Under the situation of this embodiment, PCIE slot 220 is than AGP slot 210 more close control chip group 200.Therefore, when drafting card is plugged on PCIE slot 220, that is the multiple definition pin of control chip group 200 is when send receiving the signal of accord with PCI E interface specification, must make switches set 230 disconnect, signal lead is not connected on the AGP slot 210 of back, with the stable transfer of the signal of guaranteeing accord with PCI E interface specification.As those skilled in the art as can be known, also can comprise element in the switches set 230, so that signal is more stable as terminal resistance etc.
Fig. 4 is the interior drawing display device synoptic diagram of a kind of computer main frame panel according to yet another embodiment of the invention.Please refer to Fig. 4, the embodiment of this embodiment and Fig. 3 is different to be in switches set 230 is omitted, if its reason for owing to select factors such as part or topological design be very appropriate for use, and make omit switches set 230 after, system is steady operation still, just can use this kind device further to reduce cost.
Fig. 5 is the drawing display device synoptic diagram in a kind of according to another embodiment of the present invention computer main frame panel.Please refer to Fig. 5, the embodiment of this embodiment and Fig. 2 is different to be in having added switches set 230, so that system's steady operation more.
From another viewpoint, drawing display device provided by the present invention, AGP slot wherein might not be supported two kinds of interface specifications simultaneously, as long as can meet the AGP interface specification or support Gfx interface any among both, even be to support the relevant interface specification of drawing and showing of other kinds, all should be within category of the present invention.Therefore, control chip group also should be to support PCIE interface specification and another kind of interface specification to get final product simultaneously.
Fig. 6 is the block schematic diagram of the control chip group of a kind of display device of drawing according to one preferred embodiment of the present invention.Please refer to Fig. 6, this control chip group 200 is applicable to that in the drawing display device of described various embodiment, this control chip group 200 comprises at least: AGP core circuit 240, PCIE core circuit 250, Gfx core circuit 260, a plurality of multiple definition pin 280 and multipath conversion/demultiplexer 270.
AGP core circuit 240 provided by the present invention is in order to control and send the signal that reception meets the AGP interface specification, PCIE core circuit 250 is in order to control and send the signal that receives accord with PCI E interface specification, similarly, Gfx core circuit 260 receives the signal that meets the Gfx interface specification in order to control and transmission.And multipath conversion/demultiplexer 270 is couple to AGP core circuit 240, PCIE core circuit 250, drawing core circuit 260 and these multiple definition pins 280, it accept to select the control of signal, and AGP core circuit 240, PCIE core circuit 250 and Gfx core circuit 260 threes are selected the chosen person that one signal is delivered to these multiple definition pins 280 or the signal of multiple definition pin 280 delivered to AGP core circuit 240, PCIE core circuit 250 and Gfx core circuit 260 threes.
Described selection signal may be according to the external hardware such as resistance of drawing high or dragging down, that is the Strapping mode is set, or use BIOS (programmable) able to programme to set, the output signal that also available integrated circuit package closing line methods such as (bonding wire) is set multipath conversion/demultiplexer 270 is one of them of AGP core circuit 240, PCIE core circuit 250 and Gfx core circuit 260 etc.
In sum, control chip group of the present invention is used a plurality of multiple definition pins, supports AGP interface specification, PCIE interface specification and Gfx interface simultaneously.So in the drawing display device of the present invention, these multiple definition pins can be couple to AGP slot and PCIE slot simultaneously, make and support the interface specification that multiple drawing shows in the same motherboard simultaneously.Therefore, can simplify circuit design, reduce the difficulty of version management and stock control etc.
Though the present invention with a preferred embodiment openly as above; right its is not in order to limit the present invention; any those skilled in the art; under the situation that does not break away from the spirit and scope of the present invention; can change with modification, so protection scope of the present invention is as the criterion with the claim restricted portion that is proposed.
Claims (12)
1. drawing display device comprises at least:
One first drafting card slot;
One second drafting card slot; And
One control chip group is couple to this first drafting card slot and this second drafting card slot simultaneously, and this control chip group comprises:
A plurality of core circuits are supported the operation of described first drafting card slot and the described second drafting card slot respectively, and
One traffic pilot/demultiplexer, be electrically coupled to described core circuit, the described first drafting card slot and the described second drafting card slot, this traffic pilot/demultiplexer is chosen between one of employed drafting card slot and corresponding described core circuit according to the drafting card slot that will use and transmits signal.
2. drawing display device as claimed in claim 1, wherein this first drafting card slot is that the port slot is quickened in a drawing.
3. drawing display device as claimed in claim 1, wherein this first drafting card slot is a drawing interface slot.
4. drawing display device as claimed in claim 3, wherein this drawing interface slot is supported a Low Voltage Differential Signal interface and a digital video interface.
5. drawing display device as claimed in claim 1, wherein on the relevant position that is electrically connected, this first drafting card slot is than more close this control chip group of this second drafting card slot.
6. drawing display device as claimed in claim 1 also comprises a switches set, and the one end is connected to this first drafting card slot, and the other end is connected to this second drafting card slot.
7. drawing display device as claimed in claim 6 on the relevant position that is electrically connected, is this control chip group, this first drafting card slot, this switches set and this second drafting card slot in regular turn wherein.
8. drawing display device as claimed in claim 5, wherein this first drafting card slot quickens the port slot for drawing, and this second drafting card slot is that peripheral unit connects the express delivery slot.
9. drawing display device as claimed in claim 5, wherein this first drafting card slot is the drawing interface slot, this second drafting card slot is that peripheral unit connects the express delivery slot.
10. drawing display device as claimed in claim 5, wherein this first drafting card slot is that peripheral unit connects the express delivery slot, this second drafting card slot quickens the port slot for drawing.
11. drawing display device as claimed in claim 5, wherein this first drafting card slot is that peripheral unit connects the express delivery slot, and this second drafting card slot is the drawing interface slot.
12. drawing display device as claimed in claim 1, wherein this control chip group has the multiple definition pin, connects the pin of this first drafting card slot and this second drafting card slot with same bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03152620 CN1241099C (en) | 2003-08-01 | 2003-08-01 | Plotting display structure and control chip group in it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03152620 CN1241099C (en) | 2003-08-01 | 2003-08-01 | Plotting display structure and control chip group in it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1477480A CN1477480A (en) | 2004-02-25 |
| CN1241099C true CN1241099C (en) | 2006-02-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03152620 Expired - Lifetime CN1241099C (en) | 2003-08-01 | 2003-08-01 | Plotting display structure and control chip group in it |
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| Country | Link |
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| CN (1) | CN1241099C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1297875C (en) * | 2004-06-02 | 2007-01-31 | 宏碁股份有限公司 | Collecting bar system for automatically adjusting transmission speed and method thereof |
| CN1322412C (en) * | 2004-11-08 | 2007-06-20 | 华硕电脑股份有限公司 | Main machine panel |
| CN100336045C (en) * | 2004-11-19 | 2007-09-05 | 威盛电子股份有限公司 | Multifunction chip set and relative method |
| CN100584148C (en) * | 2004-12-04 | 2010-01-20 | 鸿富锦精密工业（深圳）有限公司 | Wiring structure of transmission wire in high speed printed circuit board |
| CN101470510B (en) * | 2007-12-26 | 2013-03-06 | 微星科技股份有限公司 | Main unit apparatus capable of saving energy consumption of drawing card, and computer system |
-
2003
- 2003-08-01 CN CN 03152620 patent/CN1241099C/en not_active Expired - Lifetime
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| Publication number | Publication date |
|---|---|
| CN1477480A (en) | 2004-02-25 |
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