TW202011190A - Motherboard device and server - Google Patents

Abstract

A server includes a motherboard device and a central processing unit, the motherboard device comprises a voltage divider and an identifier, the voltage divider receives a DC voltage and generates an associated divided voltage, different divided voltage ratios correspond to different divided voltages and different motherboard identification codes, the identifier has a comparison database, and the comparison database records a plurality of motherboard identification codes corresponding to different partial voltages and a BIOS image file, and the identifier receives the divided voltage and performs digital conversion to generate a encoding, the encoding corresponding to one of the motherboard identification codes, the identifier comparing the encoding with the comparison database to obtain a target image file corresponding to one of the BIOS image files, the central processing unit receives and executes the target image.

Description

Motherboard device and server

The invention relates to a server, in particular to a server that can identify the motherboard.

Before selecting the BIOS: Basic Input Output System driver to run the motherboard, the CPU of the server needs to know the type of motherboard (each motherboard has its own case ( Project name) and version (Revision)) to select the corresponding basic input and output system driver.

At present, the central processor distinguishes the type of the motherboard by manually adjusting the multiple sets of parallel pull-up/pull-down resistors (Pull-up/Pull-down resistors) electrically connected to the motherboard to make them different (each is turned on or off) That is, distinguished by digital codes 0 and 1), that is, when one of the up/down resistors of each group is turned on, the other is not turned on. For example, if there are eight different motherboards, each host The board needs to be connected with at least three sets of parallel up/down resistors (a total of 2 or ³ combinations). Among them, three of the three sets of up/down resistors on the first motherboard can be adjusted to turn on, representing 000, as for the second Each motherboard can adjust the pull-up resistor conduction of its first set of up/down resistors, and adjust the pull-down resistor conduction of the remaining two sets of up/down resistors, which represents 001. The other motherboards are adjusted according to this rule, and then stored in advance Multiple sets of digital codes representing the on/down resistance of each motherboard on and off and the basic input/output system driver's platform path controller (PCH: Platform Controller Hub) corresponding to each digital code detect these pull-ups /The pull-down resistor receives the generated digital code corresponding to the DC voltage, and compares with the stored digital code to the corresponding basic input and output system driver, and then the central processor loads the basic input and output system driver to drive The motherboard is activated. However, once the number of different motherboards increases, the number of pull-up/pull-down resistors needs to be increased accordingly, increasing the complexity of manually adjusting the pull-up/pull-down resistors. In addition, the available space of the circuit board is also wasted. Therefore, existing detection motherboards The device needs to be improved.

Therefore, an object of the present invention is to provide a server that allows the CPU to select the basic I/O system driver corresponding to the type of the motherboard only through a group of piezoresistive resistors.

Therefore, the server of the present invention includes a motherboard device and a central processing unit.

The motherboard device includes a voltage divider and an identifier.

The voltage divider has an input terminal and an output terminal, wherein the input terminal is used to receive a DC voltage, the output terminal correspondingly generates a voltage-dividing voltage proportional to the DC voltage and a voltage-dividing ratio, and different voltage-dividing ratios correspond to Different divided voltages, different divided voltages correspond to different motherboard identification codes.

The identifier is electrically connected to the output terminal and has a comparison database, which records a plurality of motherboard identification codes corresponding to different divided voltages, and a plurality of basic input and output system image files respectively corresponding to the motherboard identification codes , The identifier receives the divided voltage from the output terminal, and converts the divided voltage to analog to digital to generate a code corresponding to one of the motherboard identification codes, the identifier compares to the Encode and compare the database to obtain a pair of target image files that should wait for one of the basic input and output system image files.

The central processor is electrically connected to the identifier to receive and execute the target image file.

In addition, another object of the present invention is to provide a motherboard device that allows the central processor to select a basic I/O system driver corresponding to the type of motherboard only through a group of piezoresistive resistors.

Therefore, the motherboard device of the present invention is suitable for a central processor. The central processor operates in a working mode corresponding to the motherboard device. The motherboard device includes a voltage divider and an identifier.

The voltage divider has an input terminal and an output terminal, the input terminal receives a DC voltage, and the output terminal generates a voltage-dividing voltage proportional to the DC voltage and a voltage-dividing ratio, wherein different voltage-dividing ratios correspond to different Divide voltage, different divide voltages correspond to different motherboard identification codes.

The identifier is electrically connected to the output terminal and the central processor, and has a reference database that records a plurality of motherboard identification codes corresponding to different divided voltages and a plurality of motherboard identification codes respectively corresponding to the motherboard identification codes Basic I/O system image file, the identifier receives the divided voltage from the voltage divider, and converts the divided voltage to analog to digital to generate a code corresponding to multiple motherboard identification codes One, the identifier compares with the reference database according to the code to obtain a basic input and output system image file corresponding to the code as a target image file, and the central processor operates according to the target image file For this working mode.

The effect of the present invention is: by designing a voltage divider corresponding to the voltage division ratio according to the difference of each motherboard, different voltage divisions are generated correspondingly when receiving a DC voltage, and the identifier can be used according to the generated voltage divisions The pre-stored basic input/output system image file corresponding to the divided voltage is automatically compared.

An embodiment of the server of the present invention includes a motherboard device 2 and a central processor 3. The motherboard device 2 can execute a corresponding driver program by the central processor 3 to perform a power-on self-test (POST: Power On Self Test), each motherboard device 2 has a voltage divider 22, the voltage divider 22 includes a first resistor 221, and a second resistor 222 electrically connected to the first resistor 221, and the first resistor 221 A first terminal of the terminal receives a DC voltage provided by the DC power supply 21 with a voltage value of Vdd, a second terminal of the second resistor 222 is grounded, and a second terminal of the first resistor 221 and the second resistor 222 A first terminal of the series is connected in series to form a common terminal providing a divided voltage, that is, the connection between the second terminal of the first resistor 221 and the first terminal of the second resistor 222 is the common terminal Terminal, and the divided voltage is output from the common terminal. The corresponding relationship between the resistance values of the first resistor 221 and the second resistor 222 forms a divided voltage ratio, and different divided voltage ratios correspond to different divided voltages, that is, Said that using different resistance ratios to adjust the voltage division ratio, the common terminal can be used to control the output of different voltage divisions by the voltage division ratio, where, assuming that the resistance value of the first resistor 221 is R1, the second resistor 222 The resistance value is R2, then the divided voltage ratio = R2/(R1+R2), and the divided voltage = Vdd×R2/(R1+R2), and different divided voltages indicate different types of motherboard devices 2 , And corresponding to different basic input and output system image file versions as the target image file, here is an example to illustrate, the motherboard device 2 corresponds to a project name (Project), and according to the needs of the surrounding hardware configuration is different Project version (Revision), the voltage division ratio formed by the first resistor 221 and the second resistor 222 is determined according to the project name and the project version of the motherboard device 2, the two receive a DC voltage and convert the DC voltage into a The divided voltage, and the divided voltage is within a specific range, as listed in Table 1 below, assuming that the project name corresponding to the motherboard device 2 is AAA, and R0A~R0H can be implemented by the motherboard device 2 Eight different project versions, the corresponding motherboard devices implementing eight different project versions can be regarded as eight different motherboard devices 2, and the first resistors corresponding to the project versions of the motherboard devices 2 respectively The resistance ratio corresponding to 221 and the second resistor 222 can be pre-designed so that the divided voltage output by the DC voltage through the component piezoresistor at the common terminal is between eight different voltage ranges Eight resistance ratios.

Table I

In addition, it is explained that the first resistor 221 and the second resistor 222 are mainly arranged in three forms: the first is that the first resistor 221 and the second resistor 222 are both provided and electrically connected to the motherboard device 2, the resistance values of the first resistor 221 and the second resistor 222 can be arbitrarily matched with different resistance values according to the resistance ratio corresponding to the project version to be implemented on the motherboard device 2, only the resistance ratio is required It is different according to the type of the motherboard device 2 so that the divided voltage falls within the voltage value range corresponding to the project version. The second type is the first corresponding to each motherboard device 2 of the same project. A resistor 221 has a fixed resistance value (that is, the resistance value of the first resistor 221 of each motherboard device 2 is the same) and is disposed on the motherboard device 2, and the second resistor 222 is disposed in a state where the host is installed A backplane in the chassis of the board device 2 and electrically connected to the motherboard device 2, and the second resistor 222 is electrically connected to the first resistor 221, and the resistance value of the second resistor 222 is in accordance with the motherboard The ratio of the resistance corresponding to the project version implemented by the device 2 is adjusted. The third one is to set the resistance value of the first resistor 221 of each motherboard device 2 corresponding to the same project to be fixed but set at A backplane (not shown) electrically connected to the motherboard device 2, the second resistor 222 is electrically connected to the first resistor 221 and is disposed on the motherboard device 2, similarly, the resistance value of the second resistor 222 is in accordance with The resistance ratio corresponding to the project version implemented by the motherboard device 2 is adjusted.

The specific application of this embodiment of the server of the present invention will be described more specifically below.

Referring to FIGS. 1 and 2, a first specific application of the server of the present invention includes a motherboard device 2 and a central processing unit 3.

The motherboard device 2 includes a voltage divider 22 and an identifier 23.

The voltage divider 22 receives a DC voltage provided by the DC power supply 21 with a voltage value of Vdd, and generates a voltage-dividing voltage proportional to the DC voltage and a voltage-dividing ratio, wherein different voltage-dividing ratios correspond to different voltage-dividing ratios Voltage, different divided voltages correspond to different motherboard identification codes, and each motherboard identification code corresponds to a motherboard device 2 respectively.

To further explain, the voltage divider 22 is composed of a first resistor 221 and a second resistor 222 electrically connected to the first resistor 221. The corresponding resistance values of the two are different according to the motherboard device 2 The resistance ratio in turn corresponds to different voltage division ratios. The first resistor 221 has a first end receiving the DC voltage, and a second end electrically connected to the second resistor 222, and the second resistance 222 has an electrical connection to the The first terminal of the second terminal of the first resistor 221 and a second terminal connected to ground.

The identifier 23 is electrically connected to the first end of the second resistor 222 and stores a comparison database, which records a plurality of motherboard identification codes respectively corresponding to different divided voltages, and a plurality of motherboard identifications respectively corresponding to the motherboard voltages The basic input output system image file of the code, that is, the BIOS code (Basic Input Output System code), the identifier 23 receives the divided voltage provided by the first resistor 221 and the second resistor 222, and divides the divided voltage The voltage to voltage is converted from analog to digital to generate a code. The identifier 23 compares the code with the lookup table to obtain a corresponding basic input/output system image file as the target image file.

To further explain, the identifier 23 includes an analog-to-digital conversion unit 231, a transmission unit 232, a substrate management control unit 233, and a platform path control unit 234.

The analog-to-digital conversion unit 231 is electrically connected to the second end of the first resistor 221 and receives the divided voltage, and converts the divided voltage into the code. In this embodiment, the analog-to-digital conversion unit 231 is implemented by a complex programmable logic device (CPLD: Complex Programmable Logic Device) 230 provided by the server.

The transmission unit 232 is electrically connected to the analog-to-digital conversion unit 231 and receives the code.

The baseboard management control unit 233 is a BMC (Baseboard Management Controller), which is electrically connected to the transmission unit 232 and the platform path control unit 234 for transmitting the code to the platform path control unit 234.

The platform path control unit 234 is a PCH (Platform Controller Hub), which is electrically connected to the substrate management control unit 233, and has a memory unit 235 that can store the control database in advance. In this embodiment, the memory unit 235 is a non-volatile memory (non-volatile memory), for example: flash memory (Flash memory), when the platform path control unit 234 receives the code transmitted by the substrate management control unit 233, it is based on the comparison The database compares the basic input and output system image file corresponding to the code as the target image file.

The central processing unit 3 is a CPU (Central Processing Unit), which is electrically connected to the identifier 23 to receive and execute the target image file compared with the identifier 23, when the central processing unit 3 executes the target image file At the same time, the motherboard device 2 is driven at the same time to perform detection of its own related information.

Referring to FIG. 3, a second specific application of the embodiment of the server of the present invention is similar to the first specific application described above, the difference is that when the analog-to-digital conversion unit 231 receives the divided voltage and converts the divided voltage into a corresponding After the encoding, the transmission unit 232 directly transmits the encoding to the platform path control unit 234.

For example, according to the difference between the first specific application and the second specific application described above, in the actual application, the version corresponding to the version of one of the basic input and output system image files as its target image file is set to be The computer switch (KVM switch: Keyboard, Video, Mouse switch) function parameter is activated, and the second specific application is in actual application, as its target image file, another basic input and output system image file version corresponding to the setting In order to turn off the computer switch function parameters, in addition, the following other specific applications can make different settings for the peripheral hardware according to the actual application according to the version of one of the basic input and output system image files as the target image file.

Referring to FIG. 4, a third specific application of the embodiment of the server of the present invention is similar to the first specific application described above. The difference is that when the project name of each motherboard device 2 is the same and the version is different, the The temporary memory 236 of the transmission unit 232 writes in advance the project code corresponding to the project name of the motherboard devices 2, that is, the portion of the motherboard identification code corresponding to the motherboard devices 2 that represents the project name, the analog digit The conversion unit 231 converts the divided voltage into a version code corresponding to the version part corresponding to the motherboard identification code, and then the transmission unit 232 writes the project code previously written in the register 236 and the analog digital conversion unit 231 The converted version code is combined into a motherboard synthesis code and transmitted to the platform path control unit 234 via the substrate management control unit 233, and the platform path control unit 234 compares the corresponding motherboard identification according to the motherboard synthesis code comparison The code is used as the target identification code, and the basic input and output system image file corresponding to the motherboard identification code is used as the target image file, and transmitted to the central processor 3. Furthermore, similar to the analog-to-digital conversion unit 231, the temporary memory 236 is provided by the complex programmable logic device 230.

As shown in FIG. 5, a fourth specific application of the embodiment of the server of the present invention is similar to the first specific application described above, the difference is that the motherboard identification codes corresponding to different divided voltages are prestored, and the corresponding The memory unit 235 of the basic input/output system image file of the motherboard identification code is electrically connected to the platform path control unit 234 when the platform path control unit 234 receives the motherboard transmitted from the board management controller After the identification code, the relevant data pre-stored in the memory unit 235 is read to perform the comparison.

As shown in FIG. 6, a fifth specific application of the embodiment of the server of the present invention is similar to the fourth specific application described above, except that the analog-to-digital conversion unit 231 receives the divided voltage and converts the divided voltage into After corresponding to the motherboard identification code of the motherboard device 2, the transmission unit 232 directly transmits the motherboard identification code to the platform path control unit 234.

As shown in FIG. 7, a sixth specific application of the embodiment of the server of the present invention is similar to the fifth specific application described above, the difference is that each motherboard device 2 has the same project name and different version, and the complex programmable logic device The register 236 of 230 pre-writes the project code corresponding to the project name of the motherboard devices 2, that is, the part of the motherboard identification code corresponding to the motherboard devices 2 that represents the project name, as for the analog-to-digital conversion The unit 231 only needs to convert the divided voltage into a signal corresponding to the version part in the motherboard identification code, that is, the version code, and then the transmission unit 232 then writes the project code and the analog digits written in the register 236 in advance The version code converted by the converter is combined into a motherboard synthetic code, and the motherboard synthetic code is transmitted to the platform path control unit 234 to compare the corresponding motherboard identification code and the basic input/output system image file.

As shown in FIG. 8, a fourth specific application of the embodiment of the server of the present invention is similar to the sixth specific application described above, the difference is that the motherboard identification codes corresponding to different divided voltages are pre-stored, and the corresponding The memory unit 235 of the basic input/output system image file of the motherboard identification code is built in the platform path control unit 234. After the platform path control unit 234 receives the motherboard identification code transmitted from the substrate management controller , Read pre-stored related data to perform comparison.

As shown in FIG. 9, an eighth specific application of the embodiment of the server of the present invention is similar to the seventh specific application described above, except that the transmission unit 232 first transmits the motherboard identification code to the substrate management control unit 233, The substrate management control unit 233 then transmits the motherboard identification code to the platform path control unit 234, and pre-stores the motherboard identification codes corresponding to different divided voltages, and the basics corresponding to the motherboard identification codes respectively The memory unit 235 of the input/output system image file is externally connected to the platform path control unit 234. When the platform path control unit 234 receives the motherboard identification code transmitted from the substrate management control unit 233, it reads The relevant data pre-stored in the memory unit 235 is used to perform comparison.

In summary, the server of the present invention mainly provides different divided voltages by the motherboard device, and then cooperates with the analog-to-digital conversion unit of the identifier to convert the divided voltages into digital format codes, and the platform The path control unit compares the basic input and output device image file corresponding to the code as the target image file, or writes in advance the project code corresponding to the project names of the motherboard devices in the register 236, which matches the analogy The digital conversion unit converts the divided voltage into a version code corresponding to the version part in the motherboard identification code, and then the transmission unit combines the project code and the version code into the motherboard composite code, which is compared by the platform path control unit The corresponding basic input and output system image file is used as the target image file for the central processor to execute and drive the motherboard device to perform the power-on self-test, and the existing manual switching up/down resistance is improved to allow the central processor to identify The potential errors that may occur in the way of the motherboard type, and greatly save the cost of the required resistance equipment and the space cost occupied, so it does achieve the creative purpose of the cost invention.

However, the above are only examples of the present invention, and the scope of implementation of the present invention cannot be limited by this, any simple equivalent changes and modifications made according to the scope of the patent application of the present invention and the content of the patent specification are still classified as Within the scope of the invention patent.

2: Motherboard device 21: DC power supply 22: voltage divider 221: first resistor 222: second resistor 23: identifier 230: complex programmable logic device 231: analog digital conversion unit 232: transmission unit 233: substrate management control Unit 234: platform path control unit 235: memory unit 236: register 3: central processing unit

Other features and functions of the present invention will be clearly presented in the embodiment with reference to the drawings, in which: 　 FIG. 1 is a block diagram illustrating a first specific application of an embodiment of the server of the present invention; 　 FIG. 2 is A data table to help explain the storage contents of a comparison data table of the server of the present invention; 　 FIG. 3 is a block diagram illustrating a second specific application of an embodiment of the server of the present invention; 　 FIG. 4 is a block diagram illustrating A third specific application of an embodiment of the server of the present invention; 　 FIG. 5 is a block diagram illustrating a fourth specific application of an embodiment of the server of the present invention; 　 FIG. 6 is a block diagram illustrating the server of the present invention A fifth specific application of an embodiment of the embodiment; 　 FIG. 7 is a block diagram illustrating a sixth specific application of an embodiment of the server of the invention; 　 FIG. 8 is a block diagram illustrating an embodiment of the server of the invention A seventh specific application; and FIG. 9 is a block diagram illustrating an eighth specific application of an embodiment of the server of the present invention.

2: motherboard device

21: DC power supply

22: Voltage divider

221: First resistance

222: second resistance

23: Recognizer

230: Complex programmable logic device

231: Analog digital conversion unit

232: Transmission unit

233: substrate management control unit

234: platform path control unit

235: Memory unit

3: CPU

Claims (9)

A server includes: a motherboard device, including a voltage divider and an identifier, the voltage divider has an input terminal and an output terminal, wherein the input terminal is used to receive a DC voltage, the output terminal correspondingly generates a It is proportional to the DC voltage and a divided voltage of a divided voltage ratio. Different divided voltage ratios correspond to different divided voltages. Different divided voltages correspond to different motherboard identification codes. The identifier is electrically connected to the output terminal and has A comparison database, which records a plurality of motherboard identification codes corresponding to different divided voltages, and a plurality of basic input and output system image files respectively corresponding to the motherboard identification codes, and the identifier receives the output from the output terminal Divide the voltage and convert the divided voltage to analog to digital to generate a code corresponding to one of the motherboard identification codes. The identifier compares the code with the control database to obtain a code A target image file corresponding to one of the basic input and output system image files; and a central processor, electrically connected to the identifier, to receive and execute the target image file. The server according to claim 1, wherein the voltage divider includes a first resistor, and a second resistor electrically connected to the first resistor, the first resistor has a first terminal that receives the DC voltage as The input terminal and a second terminal electrically connected to the second resistor and the identifier are used as the output terminal. The second resistor has a first terminal electrically connected to the output terminal and a second terminal grounded. The server according to claim 1, wherein the identifier includes an analog-to-digital conversion unit electrically connected to the output terminal to receive the divided voltage and convert the divided voltage into the code, a transmission unit, electronic Connected to the analog-to-digital conversion unit, receiving the code, and a platform path control unit, electrically connecting the transmission unit and the central processor and having the reference database, the platform path control unit receiving the code transmitted from the transmission unit, The basic input-output system image file corresponding to the code is compared according to the comparison database as the target image file, and the basic input-output system image file is transmitted to the central processor. The server according to claim 1, wherein the identifier includes a temporary storage unit that stores a project code related to the divided voltage, and an analog-to-digital conversion unit that is electrically connected to the output terminal and receives the divided voltage , And convert the divided voltage into a version code, a transmission unit, electrically connect the analog digital conversion unit and the temporary storage unit, receive the project code and the version code, and form the project code and the version code into a host Board synthesis code, and a platform path control unit, electrically connecting the transmission unit and the central processor and storing the comparison database, the platform path control unit receives the motherboard synthesis code transmitted from the transmission unit, according to the motherboard The synthesized code compares the corresponding motherboard identification code as a target identification code, and transmits the basic input/output system image file corresponding to the target identification code as the target image file to the central processor. The server according to claim 1, wherein the identifier includes an analog-to-digital conversion unit electrically connected to the output terminal to receive the divided voltage and convert the divided voltage into the code, a transmission unit, electronic Connect the analog-to-digital conversion unit and receive the code, a substrate management control unit, electrically connect the transmission unit, and receive the code transmitted by the transmission unit, and a platform path control unit, electrically connect the substrate management control unit and the The central processor stores the control database, and the platform path control unit receives the code transmitted from the baseboard management control unit, and compares one of the basic input and output system image files corresponding to the code as the control database according to the control database Target image file, and transfer the target image file to the central processor. The server according to claim 1, wherein the identifier includes an analog-to-digital conversion unit that is electrically connected to the output terminal and receives the divided voltage and converts the divided voltage into the code, a transmission unit, an electric Connect the analog-to-digital conversion unit and receive the code, a memory unit, store the comparison database, and a platform path control unit, electrically connect the transmission unit and the memory unit, the platform path control unit receives the transmission from the transmission The code transmitted by the unit, and according to the code and the comparison database stored in the memory unit, the basic input and output system image file corresponding to the code is compared as the target image file, and the target image file is transmitted to the CPU. A motherboard device is suitable for a central processing unit. The central processor operates in a working mode corresponding to the motherboard device. The motherboard device includes: a voltage divider having an input terminal and an output terminal. The terminal receives a DC voltage, and the output terminal generates a divided voltage proportional to the DC voltage and a divided voltage ratio, wherein different divided voltage ratios correspond to different divided voltages, and different divided voltages correspond to different motherboards Identification code; and an identifier, which is electrically connected to the output terminal and the central processing unit, and has a reference database, which records a plurality of motherboard identification codes corresponding to different divided voltages, and a plurality of corresponding The basic input and output system image file of the motherboard identification code. The identifier receives the divided voltage from the voltage divider and converts the divided voltage to analog to digital to generate a code corresponding to multiple codes. One of the motherboard identification codes. The identifier compares with the reference database according to the code to obtain a basic input/output system image file corresponding to the code as a target image file. The target image file operates in the working mode. The motherboard device according to claim 7, wherein the voltage divider includes a first resistor, and a second resistor electrically connected to the first resistor, the first resistor has a first end to receive the DC voltage As the input terminal, and a second terminal electrically connecting the second resistor and the identifier as the output terminal, the second resistor has a first terminal electrically connected to the output terminal, and a second terminal grounded. The motherboard device according to claim 7, wherein the identifier includes an analog-to-digital conversion unit, electrically connected to the output terminal to receive the divided voltage, and obtain the code according to the divided voltage, a transmission unit, electronic Connected to the analog-to-digital conversion unit, receiving the code, and a platform path control unit, electrically connecting the transmission unit and the central processor and having the reference database, the platform path control unit receiving the code transmitted from the transmission unit, The basic input-output system image file corresponding to the code is compared according to the comparison database as the target image file, and the target image file is transmitted to the central processor.

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