CN1477529A - Device for obtaining computer hardware information and method - Google Patents
Device for obtaining computer hardware information and method Download PDFInfo
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- CN1477529A CN1477529A CNA02128931XA CN02128931A CN1477529A CN 1477529 A CN1477529 A CN 1477529A CN A02128931X A CNA02128931X A CN A02128931XA CN 02128931 A CN02128931 A CN 02128931A CN 1477529 A CN1477529 A CN 1477529A
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Abstract
The present invention relates to an equipment for obtaining computer hardware information. The equipment is used in computer equipment with system management bus, at least including nonvolatile memory, microcontroller, output control interface used for connecting with external access equipment and power supply, the nonvolatile memory and microcontroller are respectively connected with system management bus of computer equipment, and the output control interface is connected with microcontroller. It also provides the method and concrete steps for obtaining said hardware information.
Description
Technical field
The present invention relates to the computer equipment field, particularly relate to a kind of device and its implementation of obtaining computer hardware information.
Background technology
Along with the continuous progress and the human being's production of computer industry level are lived to the increase day by day of computer dependency, the user of computing machine has also proposed more and more higher requirement to the reliability of computing machine.For example: in server was used, the user required the server can be weekly 7 days, and service continuously is provided 24 hours every days, and this has just proposed very high requirement to the reliability of computing machine itself.And in the design of computing machine, it is unusual to require computing machine to take place at hardware system, but in time send warning when not occurring fatal error (for example operating system deadlock) as yet, thereby supvr or user can in time be taken some countermeasures, fix a breakdown, the contingent machine accident of delaying is in time prevented.If the machine fault of delaying has appearred in computer system; the user also still wishes information such as the hardware information of the system that can obtain and sensor reading; thereby can go out reason and the eliminating in time that system breaks down according to these data diagnosis, nonscheduled down time is shortened to bottom line.
In addition, computing machine is day by day as the basic production instrument of enterprise and exist, and enterprise has also proposed higher demand to the manageability of computing machine like this.In enterprise asset management, require to obtain at any time the hardware configuration information of computer equipment.In large enterprise, may have thousands of even up to ten thousand computer equipments, and number to be increasing, formation will become increasingly complex, and the management of these hardware devices is also just more and more difficult.When the supvr will manage, add up these machines and dispose, the configuring condition and the running status of necessary first understanding equipment, the workload that need generally investigate will be very huge.And because not every computing machine all is in open state, it is just difficult more to carry out this generaI investigation and management.
Above-mentioned application, require computing machine to have the function that to preserve this machine hardware information, and requirement can be under any state (as long as plugging in) at computing machine can pass through the Local or Remote computing machine, or reads these hardware informations easily by method hardware or software.
At present, had the obtain manner of multiple computer hardware information, wherein modal way is to read the hardware configuration information of computing machine by operating system.
Because the mainboard that current each main mainboard manufacturer produces is all supported the SMBIOS standard, so these mainboards all need to read all hardware configuration informations of this computing machine in power-on self-test (POST) process, and are kept in the internal memory.And on the mainboard all integrated hardware monitoring chip (Hardware MonitorIC), be connected with SMBus bus on the mainboard by the SMBus interface of self.Hardware monitoring chip on the mainboard is kept at the information of computing machine situation aspects such as the sensor information of each hardware on the mainboard, computer operation condition information in its a plurality of registers in real time.But, more than these information can not directly be read.Read these hardware configuration informations, modal method is exactly after computer starting and load operation system, is read by the interface that the driver that moves on the operating system provides by relevant tool software.The system architecture of this mode is as shown in Figure 1: tool software need just can read hardware information by three levels of driver, operating system and Basic Input or Output System (BIOS) (BIOS).
Therefore this mode has significant limitation, mainly shows as following several:
1, it is bigger to implement difficulty, and cost is very high.Because multiple mainstream operation system is arranged at present, manufacturer can obtain hardware configuration information in order to guarantee under these operating system, need work out driver and application software respectively for these operating systems, and workload is very big.
2, take a large amount of cpu resources, influence the speed and the stability of complete machine operation.This is because the driver and the application software that are operated on the operating system level must permanent terminate-and-stay-resident and operations all the time.And the dynamic computing machine condition information of the many shortages of this method, even it is have, also scarcely complete.
3, operating system do not have operation or situation about hanging up under, all drivers and software all can't operate as normal, we just can't obtain any correct hardware configuration information.
4, after computer shutdown, these information just can't read, thereby can not guarantee can obtain at any time the hardware configuration information of computing machine.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of device that obtains computer hardware information.This device is realized simple, can be independent of operation system of computer, and do not taking CPU and memory source by this device, do not influence computing machine operation and stability situation under, can obtain the computer hardware information that comprises hardware configuration and computing machine situation at any time.
Further purpose of the present invention provides a kind of method of obtaining computer hardware information.No matter computing machine is under any state, can obtain the hardware information of computing machine at any time exactly.
A kind of device that obtains computer hardware information of the present invention, be applied to have System Management Bus (SMBus, System Management Bus) computer equipment, this device comprises at least: nonvolatile memory (NVRAM), microcontroller, be used to connect the output control interface and the power supply of external reference equipment; Nonvolatile memory is connected with the System Management Bus of computer equipment respectively with microcontroller, and the output control interface is connected with microcontroller.
This installs described nonvolatile memory is Erarable Programmable Read only Memory.
This installs described nonvolatile memory and also can be flash memory.
This device further comprises: the random access memory of the ROM (read-only memory) of storage control program and storage data, ROM (read-only memory) is connected with microcontroller respectively with random access memory.
This installs the microcontroller of described microcontroller for inner integrated program storage and data-carrier store.
This installs the back-up source that described power supply is the ATX power-supply system on the computing machine (Standby power supply).
This installs described power supply and also can be the external power supply that is independent of computer power supply.
This installs described nonvolatile memory and microcontroller all is integrated on the computer motherboard.
This installs described nonvolatile memory and microcontroller also can place beyond the computer motherboard, passes through I respectively
2The C bus is connected with System Management Bus interface on the computer motherboard.
This installs described output control interface is network control interface, and external reference equipment is remote access equipment.
This installs described network control interface also can adopt network control interface integrated on the computer motherboard.
This installs described output control interface is the LCD interface, and external reference equipment is the LCD display of band control knob.
A kind of method of obtaining computer hardware information of the present invention is characterized in that this method may further comprise the steps:
A. the Basic Input or Output System (BIOS) of computing machine writes nonvolatile memory with hardware configuration information;
B. external reference equipment sends the call instruction of hardware configuration information to microcontroller by the output control interface;
C. the extraction hardware configuration information of microcontroller from nonvolatile memory changes into the discernible form of external reference equipment, sends to outside access means.
This method further comprises:
D., a random access memory is set;
E. microcontroller obtains the condition information of computing machine, writes random access memory;
F. external reference equipment is by the call instruction of output control interface to microcontroller sending computer condition information;
G. microcontroller extracts the computing machine condition information from random access memory, changes into the discernible form of external reference equipment, sends to outside access means.
The described step a of this method takes a step forward and comprises:
A1. the Basic Input or Output System (BIOS) of computing machine judges whether nonvolatile memory exists, if, enter step a, otherwise, finish.
Further comprise behind the described step a of this method:
A2. microcontroller judges whether nonvolatile memory receives data, if, enter step a3, otherwise, step a2 returned;
A3. microcontroller judges whether the data that nonvolatile memory receives are correct, if, send after " correctly " reply to the Basic Input or Output System (BIOS) of computing machine, finish, otherwise transmission " mistake " is replied, and returns step a2;
A4. Basic Input or Output System (BIOS) judge reply whether be " correctly " if, end, otherwise, return step a.
The condition information that microcontroller among the described step e of this method obtains computing machine comprises: microcontroller reads the computing machine condition information at set intervals from the register of the hardware monitoring chip of computing machine.
According to the above, the present invention program has following characteristics as can be seen:
1, realizes simply can guaranteeing that obtaining of hardware information is independent of the existence of operating system.As long as main frame powers on, the operation conditions of every hardware information and computing machine and parameters just can be read by the SMBus bus.
2, because apparatus of the present invention are articulated on the SMBus bus of computing machine, adopt SMBus/I
2The C agreement, SMBus/I
2The C agreement has perfect access conflict/arbitration mechanism, so the microcontroller of computer CPU and this device can not produce conflict to the read and write operation of this NVRAM chip, does not take any system resource, can not influence performance, stability and the reliability of system; And can obtain dynamic computing machine condition information at any time.
Do not rely on operating system when 3, moving, even break down, under the situation of computer corruption in system, this device still can operate as normal, and the user still can obtain the various operational factors of computing machine in this case, and the reason that breaks down for the system of searching provides very big convenience.
4, can be totally independent of main frame operation, even the shutdown user also can be from long-range or locally read required data by being communicated with this device.
Description of drawings
Fig. 1 obtains the system architecture synoptic diagram of the method for computer hardware information by tool software for prior art;
Fig. 2 is the structured flowchart of present device implementation;
Fig. 3 realizes remote access structural representation for present device;
Fig. 4 is the process flow diagram of BIOS control program;
The process flow diagram that Fig. 5 judges for the data answering that microcontroller sends BIOS;
Fig. 6 realizes the structural representation of this accessing for present device.
Embodiment
The present invention is further described in more detail below in conjunction with the drawings and specific embodiments.
The computer hardware information of indication of the present invention can be divided into two classes: a class is static hardware configuration information, and another kind of then is dynamic computing machine condition information.Wherein, hardware configuration information is meant as the information of the hardware configuration aspect that can not change cpu type, CPU frequency, type of memory, memory size, hard-disk capacity, bios version information, the computer serial number etc.And the computing machine condition information is meant: the information that computing machine POST self check information, hardware sensor reading, computer run situation etc. constantly change.Hardware configuration information is convenient to enterprise computing machine is managed, adds up to the hardware configuration situation that the user provides computing machine.And dynamic computing machine condition information is convenient to the user and in real time computing machine is monitored, and grasps the operation conditions of computing machine at any time, avoids the generation of faults such as crashing.
Technical scheme of the present invention can be applicable in the computer equipment of any SMBus of having bus, and its core content is: articulate a band I on the System Management Bus of mainboard simultaneously
2The nonvolatile memory chip of C interface and a band I who is independent of the computing machine host CPU
2The microcontroller of C bus interface.The structured flowchart of this device is as shown in Figure 2: the NVRAM 202 in apparatus of the present invention 201 is articulated on the SMBUS bus that links to each other with the South Bridge chip 205 of mainboard 204 with microcontroller 203, be connected to external reference equipment 210 by output control interface 209, and power by the back-up source 206 of computing machine self ATX power-supply system.
In the computer system power-on self check stage, the dedicated program segment that computing machine is carried out among the BIOS 207 writes NVRAM 202 chips with the computer hardware configuration information according to certain data structure, and preserves.And in the computing machine normal course of operation, by being connected to the SMBUS bus on the mainboard, and pass through I by the special-purpose control program of microcontroller 203
2The C agreement is regularly surveyed computer motherboard, and the computing machine condition information is write in its incidental random access memory.Because I
2The C agreement has perfect access conflict/arbitration mechanism, so the read and write of 203 pairs of these NVRAM 202 chips of microcontroller of computer CPU 208 and this device operation can not produce conflict.
When needs obtain hardware information, the hardware configuration information among the NVRAM 202 or the data of the computing machine condition information in the random access memory are handled and sent by microcontroller 203.
This device can be equipped with output control interface 209, receives the request of reading hardware information that external reference equipment 210 sends, and the hardware information that reads is sent on the external reference equipment 210.
Because Standby power supply 206 promptly can use after computing machine plugs in plug, so this device still can be accessed when computing machine is in off-mode.
The structural drawing of a specific embodiment when being illustrated in figure 3 as the present invention and connecting remote access equipment.Total system comprises: computer motherboard 204, telemanagement plate 301, switch 302 and remote access equipment 303.Device telemanagement plate 301 of the present invention passes through I
2The C bus is connected on the SMBus bus interface 304 of computer motherboard 204, and the SMBus bus that is connected with this interface links to each other with the South Bridge chip 205 of mainboard, is connected with the BIOS 207 of mainboard on the South Bridge chip 205; The output terminal of this telemanagement plate 301 then is connected with remote access equipment 303 by switch 302.5V Standby power supply in the power supply computer ATX electric power system of telemanagement plate 301.
Telemanagement plate 301 passes through I
2C bus and computer motherboard 204 communicate, and two the core devices NVRAM and the microcontroller of apparatus of the present invention are articulated in I
2On the C bus.That NVRAM adopts in the present embodiment is band I
2The EEPROM 305 of C interface, its VCC pin connects the 5V Standby power supply of computing machine, and passes through I
2The C bus links to each other with the SMBus bus interface 304 of computer motherboard 204, and two pin SDA, the SCL of EEPROM 305 correspond respectively to I
2The data line SDA of C bus and clock line SCL.The effect of NVRAM is to preserve by BIOS 207 through SMBus bus and I
2The hardware information that the C bus transmits.
What the microcontroller in the present embodiment adopted is to have I
2The microcontroller 80C552306 of C bus interface, it is by pin V
DDBe connected pin V with 5V Standby power supply
SSGround connection, two pin SDA, SCL connect I respectively
2The SDA of C bus and SCL, the effect of microcontroller has two: the one, and collect hardware monitoring chip on the computer motherboard by the SMBUS bus and be kept at computer mode information in each register, another is the visit order that receives external reference equipment, extract and also to handle the hardware information that is kept in the storer, send to external reference equipment after changing into external reference equipment identifiable information.Also be connected with on the microcontroller 80C552306: program storage EPROM 307, data-carrier store SRAM 308, latch 7,4LS,373 309, network control chip 8,029 310 and crystal oscillator 311.EPROM 307 is responsible for preserving the control program of microcontroller 80C,552 306, and SRAM 308 is responsible for temporarily depositing of data.Their data pins D0-D7 connects parallel I/O port P0 of microcontroller 80C,552 306, their address least-significant byte pin A0-A7 links to each other with latch 7,4LS,373 309, latch 7,4LS,373 309 links to each other with the P0 port of microcontroller 80C,552 306 again, and their address most-significant byte pin A8-A15 connects another parallel I/O port P2 of microcontroller 80C,552 306 jointly.Here the effect of latch 7,4LS,373 309 is to make the address bus of two storeies and data bus time-sharing multiplex.The two ends of crystal oscillator 311 connect X1 and the X2 pin of microcontroller 80C,552 306 respectively, and its effect is to provide fixed frequency for microcontroller 80C,552 306.P3 interface on the microcontroller 80C,552 306 links to each other with network control interface, here be to link to each other with network control chip 8,029 310, be connected with network interface RJ45 312 on the network control chip 8,029 310, can connect netting twine, can be connected to remote access equipment 303 by switch 302 like this.
In addition, at I
2Also articulate two resistance R 1 and R2 on the C bus, their common port is connected on the 5V Standby power supply, and the other end connects I respectively
2The SDA of C bus and scl line, their effect is as I
2The pull-up resistor of C bus, resistance generally are taken between the 1K-10K, are 4.7K in this resistance of getting two resistance.
The workflow of this device is described below.
In the present invention, at first need the BIOS 207 of mainboard 204 is made amendment, increase the program segment of supporting this device.Ought open computing machine like this, after the POST process of mainboard 204 finished, BIOS 207 passed through I with the hardware configuration information and the self-detection result of computing machine
2The C bus writes EEPROM 305.The concrete workflow of BIOS207 is referring to shown in Figure 4.Step 401: at first check I
2Whether there is NVRAM on the particular address of C bus, if, enter next step, otherwise, finish; Step 402: hardware configuration information is write NVRAM according to designated data structure; Step 403: what reception NVRAM beamed back replys, and judges whether reply is " correctly ", if, then finish, otherwise, step 402 returned.
The workflow of microcontroller 80C,552 306 as shown in Figure 5 at this moment.Whether step 501: judging has new data from I among the NVRAM
2Be received on the C bus, if, enter next step, otherwise, step 501 returned; Step 502: judge further whether received data are correct, if pass through I
2The C bus is replied to BIOS transmission " correctly ", finishes, otherwise, send " mistake " and reply and return step 501.
Data among the EEPROM 305 are to define according to structure as shown in the table in the present embodiment:
| The byte sequence number | Function | Example |
| ??1 | SYSINFO version number (BCD) | 0 * 05 expression 0.5 edition |
| ??2 | Till the effective Byte number, previous from Byte 3 to reserve bytes | |
| ??3 | Cpu type | Use one to enumerate and represent all known CPU types at present |
| ??4 | The CPU number | 2 CPU of 0 * 02 expression |
| ??5-6 | CPU L2 CACHE capacity | Represent that with the int type low level is preceding, unit is kB |
| ??7-8 | CPU L3 CACHE capacity | Represent that with the int type low level is preceding, unit is KB |
| ??9 | Type of memory | Use one to enumerate and represent all known type of memory at present |
| ??10 | Memory speed | With MHz is unit, as 266 |
| ??11-12 | Memory size (Mbyte) | Represent that with the int type low level is preceding, unit is MB |
| ??12-15 | Hard-disk capacity | With MB is unit |
| ??16-32 | Bios version number | In order to the string representation of ' 0 ' ending, as " 4.510 " |
| ??33-48 | Mainboard model and version thereof | In order to the string representation of ' 0 ' ending, as " P3TDL3 V3.00 " |
| ??49-64 | Computer serial number | In order to the string representation of ' 0 ' ending, as " P/N 1234567890 " |
| ??65-80 | Asset number | In order to the string representation of ' 0 ' ending, as " A567890 " |
| ??81 | POST self-detection result sign indicating number | |
| ??82-127 | Keep | |
| ??128 | Verification and Checksum | Effective byte (1-107 byte) add entirely and |
One hurdle, the left side is the byte sequence number, and a middle hurdle is its pairing functional value, and one hurdle, the right is for giving an example.Wherein the 3-81 byte is that self check finishes the computer hardware configuration information that back BIOS deposits in.If 128 bytes are not enough, can expand at any time, can satisfy very complicated hardware information stores needs.And also can make amendment to the structure and the definition mode of this table according to different demands.
In the computer run process, microcontroller 80C,552 306 for example 5 seconds, passes through I at set intervals
2C bus and SMBus bus directly read the register of each preservation mainboard motherboard hardware state of the hardware monitoring chip on the mainboard 204, acquisition such as the condition information of computing machines such as hardware sensor information, computer operation condition information, and it is deposited in wait among the SRAM 308 and calling.
When needs obtain computer hardware information, the user can remote access equipment 303 as remote computer on network interface RJ45 312 by this device, send the data call orders to microcontroller 80C,552 306.After microcontroller 80C,552 306 receives order, from EEPROM 305, access hardware configuration information according to its requirement, or from SRAM 308, access the computing machine condition information, and they are handled, data conversion among EEPROM 305 or the SRAM 308 is become and can send to remote access equipment 303 for after the external reference equipment 303 recognition data forms.
The 5V Standby power supply of ATX power-supply system because this device uses a computer, therefore as long as computer power supply is plugged electricity, this device is just started working.If computing machine is in closed condition, because microcontroller 80C,552 306 still surveys No. one time computing machine every 5 seconds, collect the computing machine condition information, so computing machine condition information among the SRAM 308, also can be automatically updated into computing machine and be in the pairing information of closed condition, the illusion that cause computing machine also moving for remote access person.Can certainly be that microcontroller 80C,552 306 adds program segments again, when computing machine cuts out, also being closed of microcontroller every 5 seconds locator(-ter)s, and empty content among the SRAM 308; When computing machine is opened, can be activated again every 5 seconds locator(-ter)s.Even and pull out power supply, after soon apparatus of the present invention will be closed, again plug again, because the hardware configuration information of computing machine is kept at 305 li of EEPROM, therefore can not lose, the data among the SRAM 308 then are eliminated, but have pulled out power supply, computing machine also is in closed condition, so does not have data just in time corresponding with the present closed condition of computing machine in the SRAM 308.So in sum, no matter which kind of state computing machine is in, as long as the power supply of computing machine is plugged, the user can obtain the hardware information of computing machine at any time by apparatus of the present invention.
In addition, conduct interviews in this locality if desired, then only need on the LCD of microcontroller interface, to connect display device, as shown in Figure 6: LCD display 601 is linked to each other with the LCD interface of the microcontroller 80C,552 306 of local management plate 602, wherein the LCD interface here is not a single interface but is made up of a plurality of pins, be furnished with control knob on the LCD display 601, can send order to microcontroller 80C,552 305 by control knob, the displaying contents of control LCD display 601.Other circuit part and workflow be identical with described in the last embodiment all.
If the chip of selecting other certainly for use is as microcontroller, the form of its interface also can be different, and display device also is not limited to LCD display in addition.And can on the P3 interface, be connected to remote access equipment simultaneously by network control chip, network interface and switch, so just realized local and remote all addressable.
And the relative position of NVRAM and microcontroller also can be handled flexibly in apparatus of the present invention, as adopting following schemes:
NVRAM and microcontroller all are integrated on the computer motherboard, and NVRAM is connected with the SMBus bus respectively with microcontroller, utilize the network control interface of the original integrated network control interface of mainboard as apparatus of the present invention simultaneously;
NVRAM and microcontroller are all external, and device is connected with mainboard by the SMBus bus interface socket of reserving on the mainboard;
NVRAM is integrated on the mainboard, and microcontroller is external, and the SMBus bus interface socket of reserving by mainboard is connected on the NVRAM;
And the chip that also can select other can use flash memory (Flash ROM) as NVRAM and microcontroller as NVRAM, and microcontroller also can the have been selected integrated microcontroller of devices such as program storage, data-carrier store and latch.In addition if desired, the power supply of this device also can adopt other external power supply.
Claims (17)
1, a kind of device that obtains computer hardware information, be applied to have the computer equipment of System Management Bus, it is characterized in that this device comprises at least: nonvolatile memory, microcontroller, be used to connect the output control interface and the power supply of external reference equipment; Nonvolatile memory is connected with the System Management Bus of computer equipment respectively with microcontroller, and the output control interface is connected with microcontroller.
2, the device that obtains computer hardware information according to claim 1 is characterized in that described nonvolatile memory is an Erarable Programmable Read only Memory.
3, the device that obtains computer hardware information according to claim 1 is characterized in that described nonvolatile memory is a flash memory.
4, the device that obtains computer hardware information according to claim 1 is characterized in that further comprising: the random access memory of the ROM (read-only memory) of storage control program and storage data, ROM (read-only memory) is connected with microcontroller respectively with random access memory.
5, the device that obtains computer hardware information according to claim 1 is characterized in that the microcontroller of described microcontroller for inner integrated program storage and data-carrier store.
6, the device that obtains computer hardware information according to claim 1 is characterized in that described power supply is the back-up source of the ATX power-supply system on the computing machine.
7, the device that obtains computer hardware information according to claim 1 is characterized in that described power supply is the external power supply that is independent of computer power supply.
8, the device that obtains computer hardware information according to claim 1 is characterized in that described nonvolatile memory and microcontroller all are integrated on the computer motherboard.
9, the device that obtains computer hardware information according to claim 1 is characterized in that described nonvolatile memory and microcontroller place beyond the computer motherboard, pass through I respectively
2System Management Bus interface on C bus and the computer motherboard is connected with the System Management Bus of computer equipment.
10, the device that obtains computer hardware information according to claim 1 is characterized in that described output control interface is a network control interface, and external reference equipment is remote access equipment.
11, the device that obtains computer hardware information according to claim 10 is characterized in that described network control interface adopts integrated network control interface on the computer motherboard.
12, the device that obtains computer hardware information according to claim 1 is characterized in that described output control interface is the LCD interface, and external reference equipment is the LCD display of band control knob.
13, a kind of application rights requires 1 described device to obtain the method for computer hardware information, it is characterized in that this method may further comprise the steps:
A. the Basic Input or Output System (BIOS) of computing machine writes nonvolatile memory with hardware configuration information;
B. external reference equipment sends the call instruction of hardware configuration information to microcontroller by the output control interface;
C. the extraction hardware configuration information of microcontroller from nonvolatile memory changes into the discernible form of external reference equipment, sends to outside access means.
14, the method for obtaining computer hardware information according to claim 13 is characterized in that further comprising:
D., a random access memory is set;
E. microcontroller obtains the condition information of computing machine, writes random access memory;
F. external reference equipment is by the call instruction of output control interface to microcontroller sending computer condition information;
G. microcontroller extracts the computing machine condition information from random access memory, changes into the discernible form of external reference equipment, sends to outside access means.
15, the method for obtaining computer hardware information according to claim 13 is characterized in that step a takes a step forward to comprise:
A1. the Basic Input or Output System (BIOS) of computing machine judges whether nonvolatile memory exists, if, enter step a, otherwise, finish.
16, the method for obtaining computer hardware information according to claim 13 is characterized in that further comprising behind the step a:
A2. microcontroller judges whether nonvolatile memory receives data, if, enter step a3, otherwise, step a2 returned;
A3. microcontroller judges whether the data that nonvolatile memory receives are correct, if, send after " correctly " reply to the Basic Input or Output System (BIOS) of computing machine, finish, otherwise transmission " mistake " is replied, and returns step a2;
A4. the Basic Input or Output System (BIOS) of computing machine accept to reply and judge reply whether be " correctly " if, end, otherwise, return step a.
17, the method for obtaining computer hardware information according to claim 14 is characterized in that the condition information that the described microcontroller of step e obtains computing machine comprises: microcontroller reads the computing machine condition information at set intervals from the register of the hardware monitoring chip of computing machine.
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| CN 02128931 CN1220948C (en) | 2002-08-22 | 2002-08-22 | Device for obtaining computer hardware information and method |
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| CN 02128931 CN1220948C (en) | 2002-08-22 | 2002-08-22 | Device for obtaining computer hardware information and method |
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| CN100351741C (en) * | 2005-08-09 | 2007-11-28 | 李谦 | Computer power supply |
| CN100351802C (en) * | 2005-03-02 | 2007-11-28 | 华为技术有限公司 | Method and system for obtaining hardware information |
| CN100382044C (en) * | 2004-10-22 | 2008-04-16 | 英业达股份有限公司 | Cell information acquiring method and acquiring module |
| US7669079B2 (en) | 2004-10-25 | 2010-02-23 | Robert Bosch Gmbh | Method and device for switching over in a computer system having at least two execution units |
| CN101739257A (en) * | 2009-12-10 | 2010-06-16 | 中兴通讯股份有限公司 | Method and device for identifying and outputting information of mobile terminal component |
| CN102368232A (en) * | 2011-06-29 | 2012-03-07 | 奇智软件（北京）有限公司 | Method and device for generating installation configuration list |
| CN102855158A (en) * | 2011-06-28 | 2013-01-02 | 鸿富锦精密工业（深圳）有限公司 | Test equipment information checking method and system |
| CN103631755A (en) * | 2011-06-29 | 2014-03-12 | 北京奇虎科技有限公司 | Installing configuration list generation method and device |
| CN103646010A (en) * | 2011-06-29 | 2014-03-19 | 北京奇虎科技有限公司 | Installation configuration list generating method |
| CN104750600A (en) * | 2013-12-30 | 2015-07-01 | 研祥智能科技股份有限公司 | Equipment state recording method and equipment state recording system |
| CN106021075A (en) * | 2016-05-11 | 2016-10-12 | 深圳市国鑫恒宇科技有限公司 | Method for implementing process of viewing BMC IP address of server mainboard at any time |
| CN111143256A (en) * | 2019-11-29 | 2020-05-12 | 苏州浪潮智能科技有限公司 | Method and device for reading field replaceable unit information |
| CN113254888A (en) * | 2021-06-11 | 2021-08-13 | 统信软件技术有限公司 | Method for acquiring hardware information, authorization control system and computing equipment |
| CN113391939A (en) * | 2021-06-11 | 2021-09-14 | 深圳市同泰怡信息技术有限公司 | Method, device and computer equipment for recording basic input and output system information |
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2002
- 2002-08-22 CN CN 02128931 patent/CN1220948C/en not_active Expired - Fee Related
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| CN102855158A (en) * | 2011-06-28 | 2013-01-02 | 鸿富锦精密工业（深圳）有限公司 | Test equipment information checking method and system |
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| CN103646010A (en) * | 2011-06-29 | 2014-03-19 | 北京奇虎科技有限公司 | Installation configuration list generating method |
| CN103631755B (en) * | 2011-06-29 | 2017-02-15 | 北京奇虎科技有限公司 | Installing configuration list generation method and device |
| CN104750600A (en) * | 2013-12-30 | 2015-07-01 | 研祥智能科技股份有限公司 | Equipment state recording method and equipment state recording system |
| CN104750600B (en) * | 2013-12-30 | 2019-09-20 | 研祥智能科技股份有限公司 | Equipment state recording method and system |
| CN106021075A (en) * | 2016-05-11 | 2016-10-12 | 深圳市国鑫恒宇科技有限公司 | Method for implementing process of viewing BMC IP address of server mainboard at any time |
| CN106021075B (en) * | 2016-05-11 | 2019-01-11 | 深圳市同泰怡信息技术有限公司 | A method of server master board BMC IP address is checked in realization at any time |
| CN111143256A (en) * | 2019-11-29 | 2020-05-12 | 苏州浪潮智能科技有限公司 | Method and device for reading field replaceable unit information |
| CN113254888A (en) * | 2021-06-11 | 2021-08-13 | 统信软件技术有限公司 | Method for acquiring hardware information, authorization control system and computing equipment |
| CN113391939A (en) * | 2021-06-11 | 2021-09-14 | 深圳市同泰怡信息技术有限公司 | Method, device and computer equipment for recording basic input and output system information |
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