CN101661453B - Method for identifying blade sequence number in blade server - Google Patents
Method for identifying blade sequence number in blade server Download PDFInfo
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- CN101661453B CN101661453B CN2009100179805A CN200910017980A CN101661453B CN 101661453 B CN101661453 B CN 101661453B CN 2009100179805 A CN2009100179805 A CN 2009100179805A CN 200910017980 A CN200910017980 A CN 200910017980A CN 101661453 B CN101661453 B CN 101661453B
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Abstract
The invention discloses a method for identifying the blade sequence number in a blade server, which belongs to the technical field of blade servers. The invention adopts a method that blades are matched with a middle plate and identifies the sequence number of blades in the whole blade server according to BMCs of the blades after the blades are inserted into the middle plate; each blade in the blade server is inserted into a plug connector of the middle plate of the server; fixed N pins are selected from the plug connector, wherein N is the quantity of log2 blades and rounded up to the nearest integer; N GPIO ports of the BMC selected from each blade are in one-to-one connection with N pins selected from the plug connector; the selected N GPIO ports are connected with VCC through a pull-up resistor; and the fixed N pins selected from the plug connector are sequentially grounded according to a binary system mode. By adopting the method for identifying the blade sequence number in the blade server, after a plurality of blades are inserted into the middle plate in the blade server, each blade can identify the sequence number of the self.
Description
Technical field
The present invention relates to a kind of blade server art, the method for identification blade sequence number in specifically a kind of blade server.
Background technology
Cybertimes, the application for server provided wide space.The new stage that therefore server has entered technology, application and market interaction and developed rapidly.Server is born transmission and is handled the task of mass data in network, possess high scalability, high reliability, high availability and high manageability.For enterprise and network information provider, necessary centralized stores of the data that increase without limitation and processing are so following network development presents the trend of centralized calculation.The centralized management pattern has proposed new requirement to server: conserve space, be convenient to the centralized management, be easy to the expansion and continual service is provided, become new demand to server of future generation.Blade server (Blade Server) arises at the historic moment thus.
Blade server is that all functions with traditional posture server concentrate in the circuit board of tile height compression, and then is inserted in the cabinet.Essentially, blade server is exactly a server on the card: comprise a complete computer system on the independent mainboard, comprise that processor, internal memory, network connect and relevant electron device.If a plurality of blade servers are inserted in the plane of a frame or rack, the infrastructure of this frame or rack just can be shared so, has redundancy properties simultaneously.The advantage that blade server is generally acknowledged has two, and the one, overcome the shortcoming of chip server cluster, another is to have realized rack optimization.When a plurality of blades are inserted into a rack, require each blade can both identify own sequence number in whole server.
Summary of the invention
Technical assignment of the present invention provide a kind of in blade server after a plurality of blades are inserted on the middle plate of blade server, each blade all can identify the method for discerning the blade sequence number in the blade server of own sequence number.
Technical assignment of the present invention is realized in the following manner, the method that adopts blade and middle plate to cooperate, blade is discerned the sequence number of blade in whole blade server according to the BMC (Baseboard Management Controller, baseboard management controller) of blade self in insertion behind the plate; Each blade in the blade server all is inserted on the plug connector on the middle plate of a server; On the middle plate each with connector that blade links to each other on N fixing pin of chosen position, N is log
2The blade number rounds up; N the pin of selecting on N GPIO (General Purpose Input Output, the general I/O) mouth of selecting BMC on each blade and the connector of being pegged graft links to each other one by one; The N of BMC GPIO mouth all meets VCC (supply voltage of circuit) by pull-up resistor on the selected blade; In on the plate each with connector that blade links to each other on fixed N pins selected according to binary mode ground connection in proper order.
BMC according to blade self discerns the sequence number of blade in whole blade server, and concrete identification step is:
(1), in blade inserts during plate, at first the BMC of blade notes the annexation of blade and plug connector, promptly notes blade and is inserted on which plug connector and the sequence number of this blade;
(2), on the middle plate each with connector that blade links to each other on fixed N pins selected according to binary mode order ground connection, the BMC of blade notes the order of the pin ground connection of each connector in advance;
(3), N the GPIO mouth of the BMC that is connected with fixing pin on the blade all is to meet VCC by pull-up resistor;
(4) if, the pin ground connection that links to each other with the GPIO mouth, GPIO is exactly a low level, is designated as 0; On the contrary, if the pin that links to each other with the GPIO mouth do not have ground connection is exactly high level, be designated as 1;
(5), the BMC of blade self is by reading the state of the GPIO mouth that is connected with pin, again in conjunction with the order of the pin ground connection of record in advance, will learn blade be inserted on which connector on the plate;
(6), according to the in advance blade and the annexation of plug connector of record, promptly can identify and discern the blade sequence number.
The number of the pin of the stationkeeping that the number of the GPIO mouth of BMC equals to select on the connector on the blade is log
2The blade number rounds up; In on the plate each with connector that blade links to each other on fixed N pins selected according to binary mode ground connection in proper order.
If the blade number is 8, then the number of the pin of the stationkeeping of selecting on the number of the GPIO mouth of the BMC of blade and the connector is 3, in on the plate each with connector that blade links to each other on selected 3 fixedly pin according to binary mode ground connection in proper order, be: blade is labeled as blade 1, blade 2, blade 3 ... blade 8, the pin of each connector is labeled as pin 1, pin 2, pin 3, and the pin 1 of the connector that links to each other with blade 1, pin 2, pin 3 be ground connection all; The pin 1 of the connector that links to each other with blade 2 is earth-free, pin 2, pin 3 ground connection; The pin 2 of the connector that links to each other with blade 3 is earth-free, pin 1, pin 3 ground connection; Pin 1, the pin 2 of the connector that links to each other with blade 4 are earth-free, pin 3 ground connection; The pin 3 of the connector that links to each other with blade 5 is earth-free, pin 1, pin 2 ground connection; Pin 1, the pin 3 of the connector that links to each other with blade 6 are earth-free, pin 2 ground connection; Pin 2, the pin 3 of the connector that links to each other with blade 7 are earth-free, pin 1 ground connection; The pin 1 of the connector that links to each other with blade 8, pin 2, pin 3 are all earth-free.
If the blade number is 16, then the number of the pin of the stationkeeping of selecting on the number of the GPIO mouth of the BMC of blade and the connector is 4, in on the plate each with connector that blade links to each other on selected 4 fixedly pin according to binary mode ground connection in proper order, be: blade is labeled as blade 1, blade 2, blade 3 ... blade 16, the pin of each connector is labeled as pin 1, pin 2, pin 3, pin 4, and the pin 1 of the connector that links to each other with blade 1, pin 2, pin 3, pin 4 be ground connection all; The pin 1 of the connector that links to each other with blade 2 is earth-free, pin 2, pin 3, pin 4 ground connection; The pin 2 of the connector that links to each other with blade 3 is earth-free, pin 1, pin 3, pin 4 ground connection; Pin 1, the pin 2 of the connector that links to each other with blade 4 are earth-free, pin 3, pin 4 ground connection; The pin 3 of the connector that links to each other with blade 5 is earth-free, pin 1, pin 2, pin 4 ground connection; Pin 1, the pin 3 of the connector that links to each other with blade 6 are earth-free, pin 2, pin 4 ground connection; Pin 2, the pin 3 of the connector that links to each other with blade 7 are earth-free, pin 1, pin 4 ground connection; The pin 1 of the connector that links to each other with blade 8, pin 2, pin 3 are earth-free, pin 4 ground connection; The pin 4 of the connector that links to each other with blade 9 is earth-free, pin 1, pin 2, pin 3 ground connection; Pin 1, the pin 4 of the connector that links to each other with blade 10 are earth-free, pin 2, pin 3 ground connection; Pin 2, the pin 4 of the connector that links to each other with blade 11 are earth-free, pin 1, pin 3 ground connection; The pin 1 of the connector that links to each other with blade 12, pin 2, pin 4 are earth-free, pin 3 ground connection; Pin 3, the pin 4 of the connector that links to each other with blade 13 are earth-free, pin 1, pin 2 ground connection; The pin 1 of the connector that links to each other with blade 14, pin 3, pin 4 are earth-free, pin 2 ground connection; The pin 2 of the connector that links to each other with blade 15, pin 3, pin 4 are earth-free, pin 1 ground connection; The pin 1 of the connector that links to each other with blade 16, pin 2, pin 3, pin 4 are all earth-free.
If the blade number is 10, then the number of the pin of the stationkeeping of selecting on the number of the GPIO mouth of the BMC of blade and the connector is 4, in on the plate each with connector that blade links to each other on selected 4 fixedly pin according to binary mode ground connection in proper order, be: blade is labeled as blade 1, blade 2, blade 3 ... blade 10, the pin of each connector is labeled as pin 1, pin 2, pin 3, pin 4, and the pin 1 of the connector that links to each other with blade 1, pin 2, pin 3, pin 4 be ground connection all; The pin 1 of the connector that links to each other with blade 2 is earth-free, pin 2, pin 3, pin 4 ground connection; The pin 2 of the connector that links to each other with blade 3 is earth-free, pin 1, pin 3, pin 4 ground connection; Pin 1, the pin 2 of the connector that links to each other with blade 4 are earth-free, pin 3, pin 4 ground connection; The pin 3 of the connector that links to each other with blade 5 is earth-free, pin 1, pin 2, pin 4 ground connection; Pin 1, the pin 3 of the connector that links to each other with blade 6 are earth-free, pin 2, pin 4 ground connection; Pin 2, the pin 3 of the connector that links to each other with blade 7 are earth-free, pin 1, pin 4 ground connection; The pin 1 of the connector that links to each other with blade 8, pin 2, pin 3 are earth-free, pin 4 ground connection; The pin 4 of the connector that links to each other with blade 9 is earth-free, pin 1, pin 2, pin 3 ground connection; Pin 1, the pin 4 of the connector that links to each other with blade 10 are earth-free, pin 2, pin 3 ground connection.
The method of identification blade sequence number can be discerned the sequence number of blade in whole blade server according to the BMC of blade self in the blade server of the present invention, has characteristics such as reasonable in design, easy to use, thereby, excellent popularization use value is arranged.
Description of drawings
The present invention is further described below in conjunction with accompanying drawing.
Accompanying drawing 1 is the structural representation of the method for identification blade sequence number in the blade server;
Accompanying drawing 2 is pin 1, pin 2, the pin 3 of each connector among Fig. 1, the permutation table of pin 4 pin ground connection;
Accompanying drawing 3 is the status list of the GPIO mouth of each blade among Fig. 1.
Embodiment
Explain below the method work to identification blade sequence number in the blade server of the present invention with reference to Figure of description and specific embodiment.
The method of identification blade sequence number in the blade server of the present invention, the method that adopts blade and middle plate to cooperate, blade is discerned the sequence number of blade in whole blade server according to the BMC of blade self in insertion behind the plate; Each blade in the blade server all is inserted on the plug connector on the middle plate of a server; On the middle plate each with connector that blade links to each other on N fixing pin of chosen position, N is log
2The blade number rounds up; N the pin of selecting on N GPIO mouth selecting BMC on each blade and the connector of being pegged graft links to each other one by one; The N of BMC GPIO mouth all meets VCC by pull-up resistor on the selected blade; In on the plate each with connector that blade links to each other on fixed N pins selected according to binary mode ground connection in proper order.
BMC according to blade self discerns the sequence number of blade in whole blade server, and concrete identification step is:
(1), in blade inserts during plate, at first the BMC of blade notes the annexation of blade and plug connector, promptly notes blade and is inserted on which plug connector and the sequence number of this blade;
(2), on the middle plate each with connector that blade links to each other on fixed N pins selected according to binary mode order ground connection, the BMC of blade notes the order of the pin ground connection of each connector in advance;
(3), N the GPIO mouth of the BMC that is connected with fixing pin on the blade all is to meet VCC by pull-up resistor;
(4) if, the pin ground connection that links to each other with the GPIO mouth, GPIO is exactly a low level, is designated as 0; On the contrary, if the pin that links to each other with the GPIO mouth do not have ground connection is exactly high level, be designated as 1;
(5), the BMC of blade self is by reading the state of the GPIO mouth that is connected with pin, again in conjunction with the order of the pin ground connection of record in advance, will learn blade be inserted on which connector on the plate;
(6), according to the in advance blade and the annexation of plug connector of record, promptly can identify and discern the blade sequence number.
The number of the pin of the stationkeeping that the number of the GPIO mouth of BMC equals to select on the connector on the blade is log
2The blade number rounds up; In on the plate each with connector that blade links to each other on fixed N pins selected according to binary mode ground connection in proper order.
Embodiment 1:
If the blade number is 8, then the number of the pin of the stationkeeping of selecting on the number of the GPIO mouth of the BMC of blade and the connector is 3, in on the plate each with connector that blade links to each other on selected 3 fixedly pin according to binary mode ground connection in proper order, be: blade is labeled as blade 1, blade 2, blade 3 ... blade 8, the pin of each connector is labeled as pin 1, pin 2, pin 3, and the pin 1 of the connector that links to each other with blade 1, pin 2, pin 3 be ground connection all; The pin 1 of the connector that links to each other with blade 2 is earth-free, pin 2, pin 3 ground connection; The pin 2 of the connector that links to each other with blade 3 is earth-free, pin 1, pin 3 ground connection; Pin 1, the pin 2 of the connector that links to each other with blade 4 are earth-free, pin 3 ground connection; The pin 3 of the connector that links to each other with blade 5 is earth-free, pin 1, pin 2 ground connection; Pin 1, the pin 3 of the connector that links to each other with blade 6 are earth-free, pin 2 ground connection; Pin 2, the pin 3 of the connector that links to each other with blade 7 are earth-free, pin 1 ground connection; The pin 1 of the connector that links to each other with blade 8, pin 2, pin 3 are all earth-free.
3 GPIO mouths that blade links to each other with middle board connector all by drawing on the resistance, if earth-free words are high level then, are designated as 1; If ground connection is low level then, be designated as 0; In blade 1 inserts the connector 1 of plate the time,,, be exactly 000 just 0 so at this moment the blade 1BMC state that reads 3 GPIO mouths that link to each other with connector 1 all is a low level then because pin 1, pin 2, the pin 3 of connector 1 all are ground connection; The state of 3 GPIO mouths that blade 2 reads when inserting connectors 2 then is 001 just 1, when blade 3 inserts during connector 3, the state of 3 GPIO that read is 010 just 2, and the like, when blade 8 inserts during connector 8, the state of 3 GPIO that read is 111 just 8.
Embodiment 2:
As shown in Figure 1, if the blade number is 16, then the number of the pin of the stationkeeping of selecting on the number of the GPIO mouth of the BMC of blade and the connector is 4, in on the plate each with connector that blade links to each other on selected 4 fixedly pin according to binary mode ground connection in proper order, be: blade is labeled as blade 1, blade 2, blade 3 ... blade 16, the pin of each connector is labeled as pin 1, pin 2, pin 3, pin 4, and the pin 1 of the connector that links to each other with blade 1, pin 2, pin 3, pin 4 be ground connection all; The pin 1 of the connector that links to each other with blade 2 is earth-free, pin 2, pin 3, pin 4 ground connection; The pin 2 of the connector that links to each other with blade 3 is earth-free, pin 1, pin 3, pin 4 ground connection; Pin 1, the pin 2 of the connector that links to each other with blade 4 are earth-free, pin 3, pin 4 ground connection; The pin 3 of the connector that links to each other with blade 5 is earth-free, pin 1, pin 2, pin 4 ground connection; Pin 1, the pin 3 of the connector that links to each other with blade 6 are earth-free, pin 2, pin 4 ground connection; Pin 2, the pin 3 of the connector that links to each other with blade 7 are earth-free, pin 1, pin 4 ground connection; The pin 1 of the connector that links to each other with blade 8, pin 2, pin 3 are earth-free, pin 4 ground connection; The pin 4 of the connector that links to each other with blade 9 is earth-free, pin 1, pin 2, pin 3 ground connection; Pin 1, the pin 4 of the connector that links to each other with blade 10 are earth-free, pin 2, pin 3 ground connection; Pin 2, the pin 4 of the connector that links to each other with blade 11 are earth-free, pin 1, pin 3 ground connection; The pin 1 of the connector that links to each other with blade 12, pin 2, pin 4 are earth-free, pin 3 ground connection; Pin 3, the pin 4 of the connector that links to each other with blade 13 are earth-free, pin 1, pin 2 ground connection; The pin 1 of the connector that links to each other with blade 14, pin 3, pin 4 are earth-free, pin 2 ground connection; The pin 2 of the connector that links to each other with blade 15, pin 3, pin 4 are earth-free, pin 1 ground connection; The pin 1 of the connector that links to each other with blade 16, pin 2, pin 3, pin 4 are all earth-free.
As Fig. 2, shown in Figure 3,4 GPIO mouths that blade links to each other with middle board connector all by drawing on the resistance, if earth-free words are high level then, are designated as 1; If ground connection is low level then, be designated as 0; In blade 1 inserts the connector 1 of plate the time, because pin 1, pin 2, pin 3, the pin 4 of connector 1 all are ground connection, so at this moment to read the state of 4 GPIO mouths that link to each other with connector 1 all be low level then to blade 1BMC, be exactly 0000 just 0; The state of 4 GPIO mouths that blade 2 reads when inserting connectors 2 then is 0001 just 1, when blade 3 inserts during connector 3, the state of 4 GPIO that read is 0010 just 2, and the like, when blade 16 inserts during connector 16, the state of 4 GPIO that read is 1111 just 16.
Embodiment 3:
If the blade number is 10, then the number of the pin of the stationkeeping of selecting on the number of the GPIO mouth of the BMC of blade and the connector is 4, in on the plate each with connector that blade links to each other on selected 4 fixedly pin according to binary mode ground connection in proper order, be: blade is labeled as blade 1, blade 2, blade 3 ... blade 10, the pin of each connector is labeled as pin 1, pin 2, pin 3, pin 4, and the pin 1 of the connector that links to each other with blade 1, pin 2, pin 3, pin 4 be ground connection all; The pin 1 of the connector that links to each other with blade 2 is earth-free, pin 2, pin 3, pin 4 ground connection; The pin 2 of the connector that links to each other with blade 3 is earth-free, pin 1, pin 3, pin 4 ground connection; Pin 1, the pin 2 of the connector that links to each other with blade 4 are earth-free, pin 3, pin 4 ground connection; The pin 3 of the connector that links to each other with blade 5 is earth-free, pin 1, pin 2, pin 4 ground connection; Pin 1, the pin 3 of the connector that links to each other with blade 6 are earth-free, pin 2, pin 4 ground connection; Pin 2, the pin 3 of the connector that links to each other with blade 7 are earth-free, pin 1, pin 4 ground connection; The pin 1 of the connector that links to each other with blade 8, pin 2, pin 3 are earth-free, pin 4 ground connection; The pin 4 of the connector that links to each other with blade 9 is earth-free, pin 1, pin 2, pin 3 ground connection; Pin 1, the pin 4 of the connector that links to each other with blade 10 are earth-free, pin 2, pin 3 ground connection.
4 GPIO mouths that blade links to each other with middle board connector all by drawing on the resistance, if earth-free words are high level then, are designated as 1; If ground connection is low level then, be designated as 0; In blade 1 inserts the connector 1 of plate the time, because pin 1, pin 2, pin 3, the pin 4 of connector 1 all are ground connection, so at this moment to read the state of 4 GPIO mouths that link to each other with connector 1 all be low level then to blade 1BMC, be exactly 0000 just 0; The state of 4 GPIO mouths that blade 2 reads when inserting connectors 2 then is 0001 just 1, when blade 3 inserts during connector 3, the state of 4 GPIO that read is 0010 just 2, and the like, when blade 10 inserts during connector 10, the state of 4 GPIO that read is 1001 just 10.
Except that the described technical characterictic of instructions, be the known technology of those skilled in the art.
Claims (6)
1. the method for identification blade sequence number in the blade server is characterized in that the method that adopts blade and middle plate to cooperate, each blade in the blade server all are inserted on the plug connector on the middle plate of a server; On the middle plate each with plug connector that blade links to each other on N fixing pin of chosen position, N is log
2The blade number rounds up; N the pin of selecting on N general I/O GPIO mouth selecting baseboard management controller BMC on each blade and the plug connector of being pegged graft links to each other one by one; The N of Management Controller BMC general I/O GPIO mouth all meets Vcc by pull-up resistor on the selected blade; In on the plate each with plug connector that blade links to each other on fixed N pins selected according to binary mode ground connection in proper order, blade is discerned the sequence number of blade in whole blade server according to the Management Controller BMC of blade self in insertion behind the plate; Concrete identification step is:
(1), in blade inserts during plate, at first the Management Controller BMC of blade notes the annexation of blade and plug connector, promptly notes blade and is inserted on which plug connector sequence number with this blade;
(2), on the middle plate each with plug connector that blade links to each other on fixed N pins selected according to binary mode order ground connection, the Management Controller BMC of blade notes the order of the pin ground connection of each plug connector in advance;
(3), the N of the Management Controller BMC that is connected with fixing pin on a blade general I/O GPIO mouth all is to meet VCC by pull-up resistor;
(4) if, with the pin ground connection that general I/O GPIO mouth links to each other, general I/O GPIO mouth is exactly a low level; On the contrary, be exactly high level if the pin that links to each other with general I/O GPIO mouth do not have ground connection;
(5), the Management Controller BMC of blade self: by reading the state of the general I/O GPIO mouth that is connected with pin, again in conjunction with the order of the pin ground connection of record in advance, will learn blade be inserted on which plug connector on the plate;
(6), according to the in advance blade of record and the annexation of plug connector, promptly can identify the blade sequence number.
2. the method for identification blade sequence number in the blade server according to claim 1, if it is characterized in that the pin ground connection that links to each other with general I/O GPIO mouth, general I/O GPIO mouth is exactly a low level, is designated as 0; On the contrary, if the pin that links to each other with general I/O GPIO mouth do not have ground connection is exactly high level, be designated as 1.
3. the method for identification blade sequence number in the blade server according to claim 1 is characterized in that the number of the pin of the stationkeeping that the number of the general I/O GPIO mouth of Management Controller BMC on the blade equals to select on the plug connector being log
2The blade number rounds up; In on the plate each with plug connector that blade links to each other on fixed N pins selected according to binary mode ground connection in proper order.
4. the method for identification blade sequence number in the blade server according to claim 3, it is characterized in that the blade number is 8, then the number of the pin of the stationkeeping of selecting on the number of the general I/O GPIO mouth of the Management Controller BMC of blade and the plug connector is 3, in on the plate each with plug connector that blade links to each other on selected 3 fixedly pin according to binary mode ground connection in proper order, be: blade is labeled as blade 1, blade 2, blade 3 ... blade 8, the pin of each plug connector is labeled as pin 1, pin 2, pin 3, the pin 1 of the plug connector that links to each other with blade 1, pin 2, pin 3 is ground connection all; The pin 1 of the plug connector that links to each other with blade 2 is earth-free, pin 2, pin 3 ground connection; The pin 2 of the plug connector that links to each other with blade 3 is earth-free, pin 1, pin 3 ground connection; Pin 1, the pin 2 of the plug connector that links to each other with blade 4 are earth-free, pin 3 ground connection; The pin 3 of the plug connector that links to each other with blade 5 is earth-free, pin 1, pin 2 ground connection; Pin 1, the pin 3 of the plug connector that links to each other with blade 6 are earth-free, pin 2 ground connection; Pin 2, the pin 3 of the plug connector that links to each other with blade 7 are earth-free, pin 1 ground connection; The pin 1 of the plug connector that links to each other with blade 8, pin 2, pin 3 are all earth-free.
5. the method for identification blade sequence number in the blade server according to claim 3, it is characterized in that the blade number is 16, then the number of the pin of the stationkeeping of selecting on the number of the general I/O GPlO mouth of the Management Controller BMC of blade and the plug connector is 4, in on the plate each with plug connector that blade links to each other on selected 4 fixedly pin according to binary mode ground connection in proper order, be: blade is labeled as blade 1, blade 2, blade 3 ... blade 16, the pin of each plug connector is labeled as pin 1, pin 2, pin 3, pin 4, the pin 1 of the plug connector that links to each other with blade 1, pin 2, pin 3, pin 4 is ground connection all; The pin 1 of the plug connector that links to each other with blade 2 is earth-free, pin 2, pin 3, pin 4 ground connection; The pin 2 of the plug connector that links to each other with blade 3 is earth-free, pin 1, pin 3, pin 4 ground connection; Pin 1, the pin 2 of the plug connector that links to each other with blade 4 are earth-free, pin 3, pin 4 ground connection; The pin 3 of the plug connector that links to each other with blade 5 is earth-free, pin 1, pin 2, pin 4 ground connection; Pin 1, the pin 3 of the plug connector that links to each other with blade 6 are earth-free, pin 2, pin 4 ground connection; Pin 2, the pin 3 of the plug connector that links to each other with blade 7 are earth-free, pin 1, pin 4 ground connection; The pin 1 of the plug connector that links to each other with blade 8, pin 2, pin 3 are earth-free, pin 4 ground connection; The pin 4 of the plug connector that links to each other with blade 9 is earth-free, pin 1, pin 2, pin 3 ground connection; Pin 1, the pin 4 of the plug connector that links to each other with blade 10 are earth-free, pin 2, pin 3 ground connection; Pin 2, the pin 4 of the plug connector that links to each other with blade 11 are earth-free, pin 1, pin 3 ground connection; The pin 1 of the plug connector that links to each other with blade 12, pin 2, pin 4 are earth-free, pin 3 ground connection; Pin 3, the pin 4 of the plug connector that links to each other with blade 13 are earth-free, pin 1, pin 2 ground connection; The pin 1 of the plug connector that links to each other with blade 14, pin 3, pin 4 are earth-free, pin 2 ground connection; The pin 2 of the plug connector that links to each other with blade 15, pin 3, pin 4 are earth-free, pin 1 ground connection; The pin 1 of the plug connector that links to each other with blade 16, pin 2, pin 3, pin 4 are all earth-free.
6. the method for identification blade sequence number in the blade server according to claim 3, it is characterized in that the blade number is 10, then the number of the pin of the stationkeeping of selecting on the number of the general I/O GPIO mouth of the Management Controller BMC of blade and the plug connector is 4, in on the plate each with plug connector that blade links to each other on selected 4 fixedly pin according to binary mode ground connection in proper order, be: blade is labeled as blade 1, blade 2, blade 3 ... blade 10, the pin of each plug connector is labeled as pin 1, pin 2, pin 3, pin 4, the pin 1 of the plug connector that links to each other with blade 1, pin 2, pin 3, pin 4 is ground connection all; The pin 1 of the plug connector that links to each other with blade 2 is earth-free, pin 2, pin 3, pin 4 ground connection; The pin 2 of the plug connector that links to each other with blade 3 is earth-free, pin 1, pin 3, pin 4 ground connection; Pin 1, the pin 2 of the plug connector that links to each other with blade 4 are earth-free, pin 3, pin 4 ground connection; The pin 3 of the plug connector that links to each other with blade 5 is earth-free, pin 1, pin 2, pin 4 ground connection; Pin 1, the pin 3 of the plug connector that links to each other with blade 6 are earth-free, pin 2, pin 4 ground connection; Pin 2, the pin 3 of the plug connector that links to each other with blade 7 are earth-free, pin 1, pin 4 ground connection; The pin 1 of the plug connector that links to each other with blade 8, pin 2, pin 3 are earth-free, pin 4 ground connection; The pin 4 of the plug connector that links to each other with blade 9 is earth-free, pin 1, pin 2, pin 3 ground connection; Pin 1, the pin 4 of the plug connector that links to each other with blade 10 are earth-free, pin 2, pin 3 ground connection.
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| CN2009100179805A CN101661453B (en) | 2009-08-26 | 2009-08-26 | Method for identifying blade sequence number in blade server |
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| CN2009100179805A CN101661453B (en) | 2009-08-26 | 2009-08-26 | Method for identifying blade sequence number in blade server |
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| CN101661453B true CN101661453B (en) | 2011-04-06 |
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| US8819318B2 (en) * | 2010-12-15 | 2014-08-26 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | System and method for switching use of serial port |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8819318B2 (en) * | 2010-12-15 | 2014-08-26 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | System and method for switching use of serial port |
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