CN105808191A - Display conversion method for automatically identifying output channel - Google Patents
Display conversion method for automatically identifying output channel Download PDFInfo
- Publication number
- CN105808191A CN105808191A CN201610145599.7A CN201610145599A CN105808191A CN 105808191 A CN105808191 A CN 105808191A CN 201610145599 A CN201610145599 A CN 201610145599A CN 105808191 A CN105808191 A CN 105808191A
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- CN
- China
- Prior art keywords
- interface
- display
- lvds
- south bridge
- vga
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1407—General aspects irrespective of display type, e.g. determination of decimal point position, display with fixed or driving decimal point, suppression of non-significant zeros
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The present invention provides a display conversion method for automatically identifying an output channel, and belongs to the technical field of the adaptive display conversion interface. According to the method disclosed by the present invention, a high-speed differential selector is added in the back end of a South Bridge display interface, external output of a display interface branch by a South Bridge is realized, and through conversion circuits of different types, output of common display interfaces such a VGA, LVDS, and the like are realized; and the method meets design requirements of products with various types such as a rack-mounted type, a convenient carry type, a portable type, and the like.
Description
Technical field
The present invention relates to a kind of military domain that is applied to and reinforce the self adaptation display translation interface technology calculating platform, the display converting method of specifically a kind of automatic identification output channel.
Background technology
For meeting the different applied environments such as vehicle-mounted, airborne, carrier-borne, field is offered, military calculating platform does not require nothing more than equipment and possesses outstanding reinforcement performance, and needs placement machine posture, portable, various product form such as portable.Traditional product design pattern is based on product type and actual interface demand carries out circuit board exploitation targetedly.So necessarily cause the problems such as circuit board type is many, poor universality, technology inheritance is poor, quality risk is big.Along with standardization, modularity, the application in the management of product and exploitation of the seriation thought, the General design of circuit board is subject to industry gradually and payes attention to.And for different types of ruggedized computer, by contrasting and analyzing, the maximum type being distinctive in that display interface of mainboard that frame type computer equipment and portable or portable computer device adopt.Frame type computer product generally adopts the display interfaces such as VGA, DVI, and portable, portable computer generally adopt LVDS to show interface.
Summary of the invention
In order to solve this problem, the present invention proposes the display converting method of a kind of automatic identification output channel.
Present invention solves the technical problem that and be:
For rack and portable, portable computer circuit board universal, the motility improving the interface apolegamy of ruggedized computer platform and simplicity.The present invention provides a kind of display Design Technique of Interface, the circuit board that can make this technology of employing meets the design requirement of rack, portable, the polytype product such as portable, and is no longer necessary to adopt and newly designs circuit board, circuit board correcting, increase the methods such as transfer interface board.
This invention address that its technical problem the technical scheme is that
Show that interface rear end increases high-speed-differential selector at South Bridge chip, it is achieved the branch of the external output display interface of South Bridge chip, again through different types of change-over circuit, it may be achieved the conventional display interface output such as VGA, LVDS.
Having interface connection status testing circuit in LVDS interface design, if this interface connects liquid crystal display screen, then detecting position is pulled to low level, if being not connected with liquid crystal display screen, then detecting position is in high level.Meanwhile, BIOS adds display interface testing mechanism, after making mainboard reset, the connection status of display interface is detected, if detecting position is low level, then South Bridge chip being shown, interface is configured to EDP type, is switched to selector EDP and turns LVDS passage, it is achieved LVDS exports；If detecting position is high level or other states, South Bridge chip is shown that interface default configuration is SDVO type by BIOS, and selector is switched to SDVO-VGA passage, it is achieved VGA exports.
The invention has the beneficial effects as follows:
Adopt the circuit board of this technology, there is better versatility, can be applicable to rack, portable, portable polytype military computer.
Accompanying drawing explanation
Fig. 1 is the circuit composition frame chart of the present invention；
Fig. 2 is patent logic diagram of the present invention.
Detailed description of the invention
Below present disclosure is carried out more detailed elaboration:
After above-mentioned interface conversion technology is answered user reinforce calculating platform motherboard, interface is accessed simultaneously and judge to select mechanism to add in mainboard BIOS with output channel.Time actually used, when there being LVDS interface to be connected with liquid crystal display screen, after device power-up, BIOS detects that detection 1 is for low level, thus South Bridge chip being shown interface is configured to EDP output, and difference selector is gated for EDP turns LVDS passage by control 1, it is achieved LVDS shows output.When LVDS interface is not connected with display screen (no matter whether USB interface connects display), after device power-up, BIOS detects that detection 1 is high level or the state that can't detect detection 1, South Bridge chip is shown that interface is configured to SDVO output by BIOS, and difference selector being selected to be gated for SDVO-VGA passage by controlling 1, it is achieved VGA shows output.In sum, this technology can realize display signal according to the current interface connection status automatic adaptation display channel connected, it is not necessary to manually selects or software arrangements.
Claims (3)
1. the display converting method of an automatic identification output channel, it is characterised in that
Show that interface rear end increases high-speed-differential selector at South Bridge chip, it is achieved the branch of the external output display interface of South Bridge chip, again through different types of change-over circuit, it may be achieved the conventional display interface output such as VGA, LVDS.
2. method according to claim 1, it is characterised in that having interface connection status testing circuit in LVDS interface design, if this interface connects liquid crystal display screen, then detecting position is pulled to low level, if being not connected with liquid crystal display screen, then detecting position is in high level；Meanwhile, BIOS adds display interface testing mechanism, after making mainboard reset, the connection status of display interface is detected.
3. method according to claim 2, it is characterised in that if detecting position is low level, then show South Bridge chip that interface is configured to EDP type, is switched to selector EDP and turns LVDS passage, it is achieved LVDS exports；If detecting position is high level or other states, South Bridge chip is shown that interface default configuration is SDVO type by BIOS, and selector is switched to SDVO-VGA passage, it is achieved VGA exports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610145599.7A CN105808191A (en) | 2016-03-15 | 2016-03-15 | Display conversion method for automatically identifying output channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610145599.7A CN105808191A (en) | 2016-03-15 | 2016-03-15 | Display conversion method for automatically identifying output channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105808191A true CN105808191A (en) | 2016-07-27 |
Family
ID=56467377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610145599.7A Pending CN105808191A (en) | 2016-03-15 | 2016-03-15 | Display conversion method for automatically identifying output channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105808191A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107147864A (en) * | 2017-06-09 | 2017-09-08 | 山东超越数控电子有限公司 | A kind of LVDS and USB interface adaptive approach |
| CN108429896A (en) * | 2018-03-08 | 2018-08-21 | 山东超越数控电子股份有限公司 | A kind of method of vision signal selection output |
| CN111045489A (en) * | 2019-12-10 | 2020-04-21 | 合肥市卓怡恒通信息安全有限公司 | Loongson platform all-in-one machine integrating KVM mainboard |
| CN112637603A (en) * | 2020-12-18 | 2021-04-09 | 湖南航天捷诚电子装备有限责任公司 | Passive image receiving and controlling method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101533618A (en) * | 2008-03-14 | 2009-09-16 | 联想(北京)有限公司 | Display device, display method and computer |
| CN101536080A (en) * | 2006-05-30 | 2009-09-16 | Ati技术Ulc公司 | Device having multiple graphics subsystems and reduced power consumption mode, software and methods |
| US20120268399A1 (en) * | 2011-04-20 | 2012-10-25 | Shang-Che Cheng | Dual displays computing device |
| CN103546550A (en) * | 2013-10-14 | 2014-01-29 | 广东电网公司信息中心 | Mobile server terminal |
-
2016
- 2016-03-15 CN CN201610145599.7A patent/CN105808191A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101536080A (en) * | 2006-05-30 | 2009-09-16 | Ati技术Ulc公司 | Device having multiple graphics subsystems and reduced power consumption mode, software and methods |
| CN101533618A (en) * | 2008-03-14 | 2009-09-16 | 联想(北京)有限公司 | Display device, display method and computer |
| US20120268399A1 (en) * | 2011-04-20 | 2012-10-25 | Shang-Che Cheng | Dual displays computing device |
| CN103546550A (en) * | 2013-10-14 | 2014-01-29 | 广东电网公司信息中心 | Mobile server terminal |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107147864A (en) * | 2017-06-09 | 2017-09-08 | 山东超越数控电子有限公司 | A kind of LVDS and USB interface adaptive approach |
| CN108429896A (en) * | 2018-03-08 | 2018-08-21 | 山东超越数控电子股份有限公司 | A kind of method of vision signal selection output |
| CN111045489A (en) * | 2019-12-10 | 2020-04-21 | 合肥市卓怡恒通信息安全有限公司 | Loongson platform all-in-one machine integrating KVM mainboard |
| CN112637603A (en) * | 2020-12-18 | 2021-04-09 | 湖南航天捷诚电子装备有限责任公司 | Passive image receiving and controlling method |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160727 |
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| RJ01 | Rejection of invention patent application after publication |