CN103853678A - Board management device and board management system and control card using same - Google Patents
Board management device and board management system and control card using same Download PDFInfo
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- CN103853678A CN103853678A CN201210517796.9A CN201210517796A CN103853678A CN 103853678 A CN103853678 A CN 103853678A CN 201210517796 A CN201210517796 A CN 201210517796A CN 103853678 A CN103853678 A CN 103853678A
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Abstract
The invention discloses a board management device, which is arranged in a control card; the control card is connected with a mainboard through an I2C (inter-integrated circuit) bus. The board management device comprises a bus switch control unit, an address storage unit, a data reading unit and a data temporary storage unit. The bus switch control unit is used for selectively controlling the control card and the I2C bus to be connected and disconnected; the address storage unit is used for storing bus addresses of I2C elements in the control card; the data reading unit is used for reading real-time monitoring data of each I2C element according to the bus addresses of the I2C elements stored in the address storage unit; then, the read real-time monitoring data are temporarily stored in the data temporary storage unit, and provided for the mainboard to acquire the data in real time so as to perform monitoring and management on the control card through the mainboard. The invention also provides a board management system and the control card comprising the board management device. According to the board management device, the board management system and the control card disclosed by the invention, the monitoring and the management of multiple control cards can be realized through the mainboard by using one I2C bus.
Description
Technical field
The present invention relates to a kind of board management devices and use its board management system and control card.
Background technology
Mainboard in computer equipment and be arranged on the control cards such as video card on this mainboard, sound card, network interface card and be collectively referred to as board.The management framework of traditional computer equipment board system uses I mostly
2c bus realizes the management control between mainboard and control card.But, because the control card on board system is a lot, if utilize single I
2c bus is carried out the control of multi-control fabrication, can cause the bad I that also do not meet of signal quality
2the data transmission specification of C.Therefore, existing board system utilizes many group I mostly
2the point to point connect that C bus realizes between mainboard and each control card promotes signal quality to meet I
2the data transmission specification of C.But this kind of point to point connect realized the method for the management control between mainboard and control card, mainboard need to constantly pass through I
2c bus reads the I on all control cards
2the running parameter of C element reaches the object of system management and control, need to take a large amount of cpu resources, may reduce the stability of system.
Summary of the invention
In view of above content, be necessary to provide a kind of board management devices, be installed in a control card, this control card is by an I
2c bus is connected with at least one mainboard, and this control card has a unique device identifying information, and this board management devices comprises a bus switch control module, an address storaging unit, a data-reading unit and a data temporary storage location.Described bus switch control module is by described I
2c bus is connected with described at least one mainboard, the control command sending for receiving described at least one mainboard, and according to unique device identifying information of the device identifying information comprising in this control command and described control card, this control card conducting is connected to described I
2c bus and then communicate with described at least one mainboard, or cut off this control card and this I
2the conducting of C bus connects.Described address storaging unit is for storing the I of described control card
2the bus address of C element.Described data-reading unit is connected between address storaging unit and data temporary storage location, for according to the I of described address storaging unit storage
2the bus address of C element, reads each I
2the real-time monitor data of C element, the real-time monitor data then this being read is temporarily stored in described data temporary storage location, and offers described at least one mainboard Real-time Obtaining, by this at least one mainboard, described control card is monitored and is managed.
Also be necessary to provide a kind of board management system, comprise at least one mainboard and multiple control card, this at least one mainboard is by an I
2c bus is connected with each control card, and each control card has a unique device identifying information, and each control card comprises an above-mentioned board management devices.
Also be necessary to provide a kind of control card, this control card is by an I
2c bus is connected with at least one mainboard, and this control card is installed on this at least one mainboard and has a unique device identifying information, and this control card comprises an above-mentioned board management devices.
Compared to prior art, the present invention by a bus switch control module connection and the disconnection to control card and bus control, utilize the mode of timesharing control, reach and utilize single I2C bus that multiple control cards are monitored and managed, can simplify the design of mainboard wiring board and save many wiring board spaces that I2C bus is shared.Meanwhile, the board management devices of installing by control card carries out self-monitoring and control to control card, arrives the object of control card complete independently monitoring, and then reduces the burden of system processor.
Brief description of the drawings
Fig. 1 is the schematic diagram of board management system of the present invention.
Fig. 2 is the schematic diagram of board management devices in Fig. 1.
Fig. 3 is the schematic diagram that the bus switch control module in Fig. 2 comprises a change-over switch.
Fig. 4 is the schematic diagram that the control card in Fig. 1 comprises I2C element.
Main element symbol description
| |
100 |
| |
10 |
| |
11 |
| |
20 |
| Bus |
201 |
| Data |
202 |
| Bus input and |
203 |
| |
204 |
| Critical |
205 |
| Data- |
206 |
| |
207 |
| Data |
208 |
| System |
209 |
| Change-over switch | 210 |
| Temperature sensor | 110 |
| Voltage-sensor | 111 |
| I2C input and output control element | 112 |
Following embodiment further illustrates the present invention in connection with above-mentioned accompanying drawing.
Embodiment
Referring to Fig. 1, is the schematic diagram of a board management system 100 provided by the invention.This board management system 100 comprises at least one mainboard 10 and multiple control card 11.Each control card 11 is arranged on this at least one mainboard 10.In the present embodiment, each control card 11 is plugged in slot (as card slot, network card slot etc.) corresponding on this at least one mainboard 10.This at least one mainboard 10 is by an I
2c bus is connected with each control card 11, and each control card 11 is carried out to control and management.Wherein, each control card 11 is installed a board management devices 20.And each control card 11 has a unique device identifying information.This unique device identifying information can be unique EIC equipment identification code of this control card 11 or this control card 11 indications (Slot Identification, Slot ID) corresponding to a slot on described at least one mainboard 10.In the present embodiment, this board management system 100 can be applicable on the computer equipment such as computing machine or server.Described control card 11 is, but is not limited to video card, network interface card, sound card etc.
Referring to Fig. 2, is the schematic diagram of described board management devices 20.This board management devices 20 comprises bus switch control module 201, Data Format Transform unit 202, bus input and output control unit 203, address storaging unit 204, critical value storage unit 205, data-reading unit 206, data comparing unit 207, data temporary storage location 208 and system mistake record cell 209.Above-mentioned each element 201-209 is electrically connected each other directly or indirectly, to carry out transmission and the exchange of data.Annexation between above-mentioned each element is by below to being introduced in the detailed description of these elements.Described board management devices 20 can be an integrated integrated chip for above-mentioned each element.
This bus switch control module 201 is by described I
2c bus is connected with described at least one mainboard 10, the control command sending for receiving described at least one mainboard 10, and I as described in corresponding control card 11 conductings being connected to according to the device identifying information comprising in this control command (as Slot ID)
2in C bus, this correspondence control card 11 is communicated with described at least one mainboard 10, or disconnect this correspondence control card 11 and this I
2the conducting of C bus connects, and makes this correspondence control card 11 no longer take described I
2c bus.So, point at any time, ensures to only have a control card 11 to be connected to described I
2in C bus, communicate by letter with described at least one mainboard 10.
In this example, as shown in Figure 3, described bus switch control module 201 is by described I
2c bus and described at least one mainboard 10 communicate to connect, and this bus switch control module 201 at least comprises a change-over switch 210, and this change-over switch 210 comprises a conducting state and a cut-off state.When this bus switch control module 201 is during in conducting state, described corresponding control card 11 conductings are connected to described I by this bus switch control module 201
2in C bus.When this bus switch control module 201 is during in cut-off state, 201 of this bus switch control modules cut off these correspondence control card 11 and I
2the conducting of C bus connects.Particularly, if when unique device identifying information of the device identifying information comprising in described control command and the control card 11 corresponding with this bus switch control module 201 is consistent, control described change-over switch 210 in conducting state, so that this correspondence control card 11 is connected in to described I
2in C bus, communicate with mainboard 10.Otherwise, control this change-over switch 210 in cut-off state, to cut off this correspondence control card 11 and I
2the conducting of C bus connects.
Described Data Format Transform unit 202 is connected with described bus switch control module 201, is connected to described I by this bus switch control module 201
2in C bus, for receiving from I when board management devices 20
2when the data of C bus, by the format conversion of these data be the data layout supported of this board management devices 20 to carry out data storage, and the data of its storage need to be passed through to I when this board management devices 20
2when C bus transfer, be I by the format conversion of the data of this storage
2the data transmission format of C bus, is beneficial to the transmission of data.
Described address storaging unit 204 is connected with described data-reading unit 206, for storing the I of a corresponding control card 11
2the bus address of C element, as in Fig. 4 as bus address and the I of the bus address of temperature sensor 110, voltage-sensor 111
2the bus address of C input and output control element 112 etc.
Described data-reading unit 206 is connected between address storaging unit 204 and data temporary storage location 208, for the I storing according to described address storaging unit 204
2the bus address of C element, reads each I
2the real-time monitor data of C element, as temperature, voltage, electric current etc., the real-time monitor data then this being read is temporarily stored in described data temporary storage location 208.This data temporary storage location 208 is also connected with described Data Format Transform unit 202, and this temporary real-time monitor data is undertaken passing through described I after format conversion by this Data Format Transform unit 202
2c is transferred to described at least one mainboard 10, the object of control card 11 being monitored and being managed to reach this at least one mainboard 10.
Described critical value storage unit 205 is connected with described bus input and output control unit 203, for storing the I of above-mentioned corresponding control card 11
2the ultimate value of the monitor data of C element.The external input device (not shown) input that this ultimate value connects by this bus input and output control unit 203.Work as I
2when C element monitor data exceedes this ultimate value, represent the working state abnormal that this correspondence control card 11 is current.
Described data comparing unit 207 is connected with described data temporary storage location 208, critical parameter value storage unit 205 and system mistake record cell 209 respectively, for the ultimate value of storage in real-time monitor data temporary data temporary storage location 208 and critical value storage unit 205 is compared, judge whether value of overstepping the extreme limit of this real-time monitor data, and by the monitor data of the value of overstepping the extreme limit and corresponding I thereof
2the bus address of C element is recorded in described system mistake record cell 209.This system mistake record cell 209 is also connected with described Data Format Transform unit 202, so that the information of its record is undertaken passing through described I after format conversion by this Data Format Transform unit 202
2c bus feeds back to described at least one mainboard 10.
Described bus input and output control unit 203 is connected with data comparing unit 207, for control described corresponding control card 11 inner each power circuits unlatching, close and reset etc.For example, this bus input and output control unit 203 I corresponding according to the monitor data of the above-mentioned value of overstepping the extreme limit
2the bus address of C element, closes this I
2the power circuit that C element is corresponding, to protect this correspondence control card 11.
In addition, described bus switch control module 201 can be connected with this bus input and output control unit 203, and the change-over switch 210 of controlling this switch control unit 201 by this bus input and output control unit 203 is in conducting state or cut-off state.Particularly, this input and output control unit 203 receives described at least one mainboard 10 by described I
2the control command that C bus sends, and according to the device identifying information comprising in this control command (as Slot ID), send one and control signal to bus input and output control unit 203, with the change-over switch 210 of optionally controlling this bus input and output control unit 203 in conducting state or cut-off state, with correct control this correspondence control card 11 and described I
2the connection of C bus and disconnection.For example, if when unique device identifying information of the Slot ID comprising in described control command and the control card 11 corresponding with this bus switch control module 201 is consistent, send the first control signal (as " 0000 ") to control change-over switch 210 in conducting state, so that these corresponding control card 11 conductings are connected to described I
2in C bus, communicate with mainboard 10.Otherwise, send the second control signal (as " 0001 ") to control this change-over switch 210 in cut-off state, to cut off control card 11 and the I that this is corresponding
2the conducting of C bus connects.
In sum, the present invention uses described board management devices, by being connected and disconnection of each control card 11 of bus switch control module control and I2C bus, utilize the mode of timesharing control, reach and utilize single I2C bus that multiple control cards are monitored and managed, can simplify the design of mainboard wiring board and save many wiring board spaces that I2C bus is shared.Meanwhile, the board management devices of installing by control card carries out self-monitoring and control to control card, arrives the object of control card complete independently monitoring, and then reduces the burden of system processor.
Above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not depart from the spirit and scope of technical solution of the present invention.
Claims (14)
1. a board management devices, is installed in a control card, and this control card is by an I
2c bus is connected with at least one mainboard, and this control card has a unique device identifying information, it is characterized in that, this board management devices comprises a bus switch control module, an address storaging unit, a data-reading unit and a data temporary storage location, wherein:
Described bus switch control module is by described I
2c bus is connected with described at least one mainboard, the control command sending for receiving described at least one mainboard, and according to unique device identifying information of the device identifying information comprising in this control command and described control card, this control card conducting is connected to described I
2c bus and then communicate with described at least one mainboard, or cut off this control card and this I
2the conducting of C bus connects;
Described address storaging unit is for storing the I of described control card
2the bus address of C element;
Described data-reading unit is connected between address storaging unit and data temporary storage location, for according to the I of described address storaging unit storage
2the bus address of C element, reads each I
2the real-time monitor data of C element, the real-time monitor data then this being read is temporarily stored in described data temporary storage location, and offers described at least one mainboard Real-time Obtaining, described control card is monitored and to be managed by this at least one mainboard.
2. board management devices as claimed in claim 1, is characterized in that, this board management devices also comprises a Data Format Transform unit, is connected to be connected to described I by this bus switch control module with described bus switch control module
2in C bus, for receiving from I when board management devices
2when the data of C bus, by the format conversion of these data be the data layout of this board management devices support to carry out data storage, and the data of its storage need to be passed through to I when this board management devices
2when C bus transfer, be I by the format conversion of the data of this storage
2the data transmission format of C bus, is beneficial to the transmission of data.
3. board management devices as claimed in claim 2, is characterized in that, described data temporary storage location is connected with described Data Format Transform unit, so that above-mentioned temporary real-time monitor data is undertaken passing through described I after format conversion by this Data Format Transform unit
2c is transferred to described at least one mainboard.
4. board management devices as claimed in claim 1, is characterized in that, this board management devices also comprises a critical value storage unit, a data comparing unit and a system mistake record cell, wherein:
This critical value storage unit is for the I of pre-stored above-mentioned corresponding control card
2the ultimate value of the monitor data of C element;
This data comparing unit is connected with described data temporary storage location, critical parameter value storage unit and system mistake record cell respectively, for the ultimate value of storing in real-time monitor data temporary described data temporary storage location and critical value storage unit is compared, judge whether value of overstepping the extreme limit of this real-time monitor data, and by the monitor data of the value of overstepping the extreme limit and corresponding I thereof
2the bus address of C element is recorded in described system mistake record cell.
5. board management devices as claimed in claim 4, is characterized in that, this board management devices also comprises:
Bus input and output control unit, for control described control card inside power circuit unlatching, close and reset, and the I corresponding according to the monitor data of the above-mentioned value of overstepping the extreme limit
2the bus address of C element, closes this I
2the power circuit that C element is corresponding, to protect this control card.
6. board management devices as claimed in claim 1, it is characterized in that, described bus switch control module at least comprises a change-over switch, this change-over switch comprises a conducting state and a cut-off state, in the time that the device identifying information of the device identifying information comprising in described control command and described control card is consistent, this change-over switch, in conducting state, is connected to described I by this control card conducting
2in C bus, communicate with described at least one mainboard, in the time that the device identifying information of the device identifying information comprising in described control command and described control card is inconsistent, this change-over switch is in cut-off state, to cut off this control card and I
2the connection of C bus.
7. a board management system, comprises at least one mainboard and multiple control card, and this at least one mainboard is by an I
2c bus is connected with each control card, each control card has a unique device identifying information, it is characterized in that, each control card comprises a board management devices, this board management devices comprises a bus switch control module, an address storaging unit, a data-reading unit and a data temporary storage location, wherein:
Described bus switch control module is by described I
2c bus is connected with described at least one mainboard, the control command sending for receiving described at least one mainboard, and according to unique device identifying information of the device identifying information comprising in this control command and a corresponding control card, this correspondence control card conducting is connected to described I
2in C bus and then with described at least one mainboard, communicate or cut off this corresponding control card and this I
2the conducting of C bus connects;
Described address storaging unit is for storing the I of above-mentioned corresponding control card
2the bus address of C element, described data-reading unit is connected between address storaging unit and data temporary storage location, for according to the I of this address storaging unit storage
2the bus address of C element, reads each I
2the real-time monitor data of C element, the real-time monitor data then this being read is temporarily stored in this data temporary storage location, and offers described at least one mainboard Real-time Obtaining, described corresponding control card is monitored and to be managed by this at least one mainboard.
8. board management system as claimed in claim 7, is characterized in that, described board management devices also comprises a Data Format Transform unit, is connected to be connected to described I by this bus switch control module with described bus switch control module
2in C bus, for receiving from I when board management devices
2when the data of C bus, by the format conversion of data be the data layout of this board management devices support to carry out data storage, and the data of its storage need to be passed through to I when this board management devices
2when C bus transfer, be I by the format conversion of the data of this storage
2the data transmission format of C bus, is beneficial to the transmission of data.
9. board management system as claimed in claim 8, is characterized in that, described data temporary storage location is connected with described Data Format Transform unit, so that above-mentioned temporary real-time monitor data is undertaken passing through described I after format conversion by this Data Format Transform unit
2c is transferred to described at least one mainboard.
10. board management system as claimed in claim 7, is characterized in that, described board management devices also comprises a critical value storage unit, a data comparing unit and a system mistake record cell, wherein:
This critical value storage unit is for the I of pre-stored above-mentioned corresponding control card
2the ultimate value of the monitor data of C element;
This data comparing unit is connected with described data temporary storage location, critical parameter value storage unit and system mistake record cell respectively, for the ultimate value of storing in real-time monitor data temporary described data temporary storage location and critical value storage unit is compared, judge whether value of overstepping the extreme limit of this real-time monitor data, and by the monitor data of the value of overstepping the extreme limit and corresponding I thereof
2the bus address of C element is recorded in described system mistake record cell.
11. board management systems as claimed in claim 10, is characterized in that, described board management devices also comprises:
Bus input and output control unit, for control above-mentioned corresponding control card inside power circuit unlatching, close and reset, and the I corresponding according to the monitor data of the above-mentioned value of overstepping the extreme limit
2the bus address of C element, closes this I
2the power circuit that C element is corresponding, to protect this correspondence control card.
12. board management systems as claimed in claim 7, is characterized in that, described multiple control cards comprise video card, network interface card and sound card.
13. 1 kinds of control cards, by an I
2c bus is connected with at least one mainboard, this control card is installed on this at least one mainboard and has a unique device identifying information, it is characterized in that, this control card comprises a board management devices, this board management devices comprises a bus switch control module, an address storaging unit, a data-reading unit and a data temporary storage location, wherein:
Described bus switch control module is by described I
2c bus is connected with described at least one mainboard, the control command sending for receiving described at least one mainboard, and according to unique device identifying information of the device identifying information comprising in this control command and described control card, this control card conducting is connected to described I
2c bus and described at least one mainboard communicate, or cut off this control card and this I
2the connection of C bus;
Described address storaging unit is for storing the I of described control card
2the bus address of C element;
Described data-reading unit is connected between address storaging unit and data temporary storage location, for according to the I of described address storaging unit storage
2the bus address of C element, reads each I
2the real-time monitor data of C element, the real-time monitor data then this being read is temporarily stored in described data temporary storage location, and offers described at least one mainboard Real-time Obtaining, described control card is monitored and to be managed by this at least one mainboard.
14. control cards as claimed in claim 13, is characterized in that, this control card is plugged in a slot corresponding on described at least one mainboard, unique EIC equipment identification code that described unique device identifying information is this control card or the indications of this slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210517796.9A CN103853678B (en) | 2012-12-06 | 2012-12-06 | Board managing device and use its plate card management system and control card |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210517796.9A CN103853678B (en) | 2012-12-06 | 2012-12-06 | Board managing device and use its plate card management system and control card |
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| CN103853678A true CN103853678A (en) | 2014-06-11 |
| CN103853678B CN103853678B (en) | 2016-12-21 |
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| US11914735B2 (en) | 2020-09-07 | 2024-02-27 | Mitac Computing Technology Corporation | Server with data security measure |
| CN114265546A (en) * | 2020-09-16 | 2022-04-01 | 昆达电脑科技(昆山)有限公司 | Servo device and servo system |
| CN113190395A (en) * | 2021-03-15 | 2021-07-30 | 新华三信息技术有限公司 | State monitoring method and device |
| CN113190395B (en) * | 2021-03-15 | 2023-08-18 | 新华三信息技术有限公司 | State monitoring method and device |
| WO2023030249A1 (en) * | 2021-09-03 | 2023-03-09 | 上海壁仞智能科技有限公司 | Device management method and apparatus for computing device, and computing device and medium |
| CN114721900B (en) * | 2022-03-18 | 2022-11-25 | 北京百度网讯科技有限公司 | Connection relation establishing method, mainboard, device, equipment and storage medium |
| CN114721900A (en) * | 2022-03-18 | 2022-07-08 | 北京百度网讯科技有限公司 | Connection relation establishing method, mainboard, device, equipment and storage medium |
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