CN114528028B - Video display device and method - Google Patents
Video display device and method Download PDFInfo
- Publication number
- CN114528028B CN114528028B CN202210110044.4A CN202210110044A CN114528028B CN 114528028 B CN114528028 B CN 114528028B CN 202210110044 A CN202210110044 A CN 202210110044A CN 114528028 B CN114528028 B CN 114528028B
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- bmc
- connector
- display
- main board
- display driver
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000001514 detection method Methods 0.000 claims description 7
- 230000001960 triggered effect Effects 0.000 claims description 3
- 230000004913 activation Effects 0.000 claims 1
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/4401—Bootstrapping
- G06F9/4411—Configuring for operating with peripheral devices; Loading of device drivers
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The invention relates to the technical field of Loongson servers, in particular to a video display device and a method, wherein the device comprises the following steps: the BMC connector is connected with the BMC through a main board interface, and the BMC buckle is connected with the BMC through a direct connection port; the BMC connector is connected with the main board display driver, the BMC connector and the main board display driver are both connected with the controller, and the controller controls the BMC connector to forward BMC data to the main board display driver so as to execute main board display; the BMC buckle is provided with a BMC display player, and the BMC display player displays BMC data in a starting state; the BMC connector and the BMC buckling card are connected with a change-over switch, and the change-over switch respectively controls the states of the BMC connector and the BMC buckling card through switch signals. The invention increases the display path, the display path can be switched, the case does not need to be disassembled when the main board is closed for display, and the operation is convenient.
Description
Technical Field
The invention belongs to the technical field of Loongson servers, and particularly relates to a video display device and a video display method.
Background
At present, the VGA display circuit of the Loongson server is displayed by the VGA Driver output from the BMC, the control on hardware is realized by the in-place detection signal and the 3P header reserved on the main board, the operation is not convenient, and if the display is closed, the server needs to be opened.
In addition, the display function can only be realized through the main board, and the display route is single in the scenes such as server test, and the operation is inconvenient.
Disclosure of Invention
Aiming at the problems of complex closing display operation and single display route in the prior art, the invention provides a video display device and a video display method for solving the technical problems.
The present invention provides a video display apparatus including:
the BMC connector is connected with the BMC through a main board interface, and the BMC buckle is connected with the BMC through a direct connection port;
the BMC connector is connected with the main board display driver, the BMC connector and the main board display driver are both connected with the controller, and the controller controls the BMC connector to forward BMC data to the main board display driver so as to execute main board display;
the BMC display player is arranged on the BMC buckle card and displays BMC data in a starting state;
the BMC connector and the BMC buckling card are connected with a change-over switch, and the change-over switch respectively controls the states of the BMC connector and the BMC buckling card through switch signals.
Further, the BMC connector is connected with a first display driver and a second display driver respectively, the first display driver is connected with the front panel, and the second display driver is connected with the rear panel.
Further, the first display driver and the second display driver are both connected to the controller.
Further, the controller is a complex programmable logic device.
Further, the change-over switch is arranged on the BMC buckle card.
The invention also provides a video display method, which comprises the following steps:
in a first state of the change-over switch, the BMC buckle is started, and the BMC buckle inputs BMC data to the BMC display player so as to display the BMC data;
and in a second state of the change-over switch, the BMC connector is started, and the BMC connector inputs BMC data to a main board display driver triggered and started by the controller so as to display the BMC data.
Further, the change-over switch sends a starting level signal to the BMC buckle card in a first state; the switch transmits a start level signal to the BMC connector in a second state.
Further, the method for triggering the display driving of the main board by the controller comprises the following steps:
the controller confirms that the BMC connector is started and sends a starting signal to the display driver of the main board.
Further, the controller acknowledges the BMC connector start-up, including:
and the controller circularly sends a detection signal to the BMC connector, and if a response signal returned by the BMC connector to the detection signal is received, the BMC connector is judged to be started.
The video display device and the method have the advantages that the display path is increased and is switchable, the case does not need to be disassembled when the main board is closed for display, and the operation is convenient.
In addition, the invention has reliable design principle, simple structure and very wide application prospect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic structural view of an apparatus according to an embodiment of the present application.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the present invention, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1, the present invention provides a video display apparatus including:
the BMC connector is connected with the BMC through a main board interface, and the BMC buckle is connected with the BMC through a direct connection port;
the BMC connector is connected with the main board display driver, the BMC connector and the main board display driver are both connected with the controller, and the controller controls the BMC connector to forward BMC data to the main board display driver so as to execute main board display;
the BMC buckle card is provided with a BMC display player, and the BMC display player displays BMC data in a starting state;
the BMC connector and the BMC buckling card are connected with a change-over switch, and the change-over switch respectively controls the states of the BMC connector and the BMC buckling card through switch signals.
The BMC is provided with an interface on the main board, and other interfaces besides the main board are also provided, so that the BMC signal is expanded into two paths by adopting the BMC connector and the BMC buckle card. A change-over switch is provided between the two paths, so that the display paths can be freely changed over.
The BMC connector is respectively connected with a first display driver and a second display driver, the first display driver is connected with the front panel, and the second display driver is connected with the rear panel. This connection structure is substantially identical to the existing display path, except that the BMC direct connection is changed to the BMC connector and driver connection. The first display driver and the second display driver are both connected with the controller.
In one embodiment of the invention, the controller replaces the existing motherboard 3P header to control the motherboard display driver, thereby avoiding the need to disassemble the chassis when closing the motherboard display. Meanwhile, the hardware characteristics of the complex programmable logic device are considered, and the middle chip is adopted as a controller.
In one embodiment of the invention, the change-over switch is arranged on the BMC buckle card, so that the change-over switch is convenient to operate, and the operation convenience is improved.
The invention also provides a video display method, which comprises the following steps:
s1, in a first state of a change-over switch, a BMC buckle is started, and the BMC buckle inputs BMC data to a BMC display player to display the BMC data;
s2, in a second state of the change-over switch, the BMC connector is started, and the BMC connector inputs BMC data to a main board display driver triggered and started by the controller so as to display the BMC data.
Specifically, the change-over switch sends a start level signal to the BMC buckle card in a first state, and sends a start level signal to the BMC connector in a second state. This is to control the start-up state of both by sending a level signal. In other embodiments of the present invention, the switch may also control the on/off states of the BMC latch and the BMC connector, so as to achieve the purpose of switching the states of the BMC latch and the BMC connector.
In step S2, after the controller confirms that the BMC connector is started, the controller immediately sends a start signal to the main board display driver. And the specific method for the controller to confirm the starting of the BMC connector comprises the following steps: and the controller circularly sends a detection signal to the BMC connector, and if a response signal returned by the BMC connector to the detection signal is received, the BMC connector is judged to be started.
Although the present invention has been described in detail by way of preferred embodiments with reference to the accompanying drawings, the present invention is not limited thereto. Various equivalent modifications and substitutions may be made in the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and it is intended that all such modifications and substitutions be within the scope of the present invention/be within the scope of the present invention as defined by the appended claims. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A video display apparatus, comprising:
the BMC connector is connected with the BMC through a main board interface, and the BMC buckle is connected with the BMC through a direct connection port;
the BMC connector is connected with the main board display driver, the BMC connector and the main board display driver are both connected with the controller, and the controller controls the BMC connector to forward BMC data to the main board display driver so as to execute main board display;
the BMC display player is arranged on the BMC buckle card and displays BMC data in a starting state;
the BMC connector and the BMC buckling card are connected with a change-over switch, and the change-over switch respectively controls the states of the BMC connector and the BMC buckling card through switch signals.
2. The apparatus of claim 1, wherein the BMC connector is connected to a first display driver and a second display driver, respectively, the first display driver being connected to the front panel and the second display driver being connected to the rear panel.
3. The apparatus of claim 2, wherein the first display driver and the second display driver are each coupled to the controller.
4. The apparatus of claim 1, wherein the controller is a complex programmable logic device.
5. The apparatus of claim 1, wherein the switch is disposed on the BMC latch.
6. A video display method, comprising:
the BMC connector is connected with the BMC through a main board interface, and the BMC buckle is connected with the BMC through a direct connection port; the BMC connector is connected with the main board display driver, the BMC connector and the main board display driver are both connected with the controller, and the controller controls the BMC connector to forward BMC data to the main board display driver so as to execute main board display; the BMC buckle card is provided with a BMC display player, and the BMC display player displays BMC data in a starting state; the BMC connector and the BMC buckling card are connected with a change-over switch, and the change-over switch respectively controls the states of the BMC connector and the BMC buckling card through switch signals;
in a first state of the change-over switch, the BMC buckle is started, and the BMC buckle inputs BMC data to the BMC display player so as to display the BMC data;
and in a second state of the change-over switch, the BMC connector is started, and the BMC connector inputs BMC data to a main board display driver triggered and started by the controller so as to display the BMC data.
7. The method of claim 6, wherein the switch sends a start level signal to the BMC latch in a first state; the switch transmits a start level signal to the BMC connector in a second state.
8. The method of claim 6, wherein the method for triggering the motherboard display driver by the controller comprises:
the controller confirms that the BMC connector is started and sends a starting signal to the display driver of the main board.
9. The method of claim 8, wherein the controller acknowledges the BMC connector activation, comprising:
and the controller circularly sends a detection signal to the BMC connector, and if a response signal returned by the BMC connector to the detection signal is received, the BMC connector is judged to be started.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210110044.4A CN114528028B (en) | 2022-01-29 | 2022-01-29 | Video display device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210110044.4A CN114528028B (en) | 2022-01-29 | 2022-01-29 | Video display device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114528028A CN114528028A (en) | 2022-05-24 |
| CN114528028B true CN114528028B (en) | 2023-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210110044.4A Active CN114528028B (en) | 2022-01-29 | 2022-01-29 | Video display device and method |
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| Country | Link |
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| CN (1) | CN114528028B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016101411A1 (en) * | 2014-12-25 | 2016-06-30 | 中兴通讯股份有限公司 | Server display method and device |
| CN106843418A (en) * | 2017-03-15 | 2017-06-13 | 郑州云海信息技术有限公司 | A kind of server S MC buckles |
| CN112231145A (en) * | 2020-10-10 | 2021-01-15 | 苏州浪潮智能科技有限公司 | CPLD (Complex programmable logic device) -based switching structure and method for controlling BMC (baseboard management controller) restart |
| CN112286476A (en) * | 2020-11-16 | 2021-01-29 | 厦门联达兴技术有限公司 | Dual-BMC management system of mainboard |
| CN112764699A (en) * | 2020-12-28 | 2021-05-07 | 西安易朴通讯技术有限公司 | Dual display switching device, method, server and storage medium |
| CN215121002U (en) * | 2021-06-21 | 2021-12-10 | 华东计算技术研究所（中国电子科技集团公司第三十二研究所） | Dual-path VGA automatic switching circuit based on BMC |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103970190A (en) * | 2013-01-25 | 2014-08-06 | 鸿富锦精密工业（深圳）有限公司 | Mainboard with two display interfaces |
-
2022
- 2022-01-29 CN CN202210110044.4A patent/CN114528028B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016101411A1 (en) * | 2014-12-25 | 2016-06-30 | 中兴通讯股份有限公司 | Server display method and device |
| CN106843418A (en) * | 2017-03-15 | 2017-06-13 | 郑州云海信息技术有限公司 | A kind of server S MC buckles |
| CN112231145A (en) * | 2020-10-10 | 2021-01-15 | 苏州浪潮智能科技有限公司 | CPLD (Complex programmable logic device) -based switching structure and method for controlling BMC (baseboard management controller) restart |
| CN112286476A (en) * | 2020-11-16 | 2021-01-29 | 厦门联达兴技术有限公司 | Dual-BMC management system of mainboard |
| CN112764699A (en) * | 2020-12-28 | 2021-05-07 | 西安易朴通讯技术有限公司 | Dual display switching device, method, server and storage medium |
| CN215121002U (en) * | 2021-06-21 | 2021-12-10 | 华东计算技术研究所（中国电子科技集团公司第三十二研究所） | Dual-path VGA automatic switching circuit based on BMC |
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| CN114528028A (en) | 2022-05-24 |
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