CN102073365A - MicroTCA standard-based media server - Google Patents
MicroTCA standard-based media server Download PDFInfo
- Publication number
- CN102073365A CN102073365A CN 201010603615 CN201010603615A CN102073365A CN 102073365 A CN102073365 A CN 102073365A CN 201010603615 CN201010603615 CN 201010603615 CN 201010603615 A CN201010603615 A CN 201010603615A CN 102073365 A CN102073365 A CN 102073365A
- Authority
- CN
- China
- Prior art keywords
- power
- module
- mch
- amc
- output
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005855 radiation Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 14
- 238000004891 communication Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000306 component Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 108010028984 3-isopropylmalate dehydratase Proteins 0.000 description 1
- 239000004606 Fillers/Extenders Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Landscapes
- Power Sources (AREA)
Abstract
The invention relates to a telecommunication-level universal hardware platform, in particular to a micro telecom computing architecture (TCA) standard-based media server. In the media server, two paths of alternating current (AC) or direct current (DC) power are fixed on a case; the power is converted by a power module and then provided to an Oring circuit on a back panel to output 12V power to a load power system and a DC-DC power module; the power module outputs 3.3V power to a management power system; the load power system comprises 4 to 16 load power modules, and outputs 12V power to a microTCA carrier hub (MCH), an advanced mezzanine card (AMC) and a radiating fan; and the management power system comprises 2 to 14 management power modules, and outputs 3.3V power to the MCH and the AMC. In the media server, a microTCA standard power module is cancelled, a normal power module is used, and the management system is electrified by the MCH, so that the complexity and the production cost for power supply of the system are reduced; and a hot-plug circuit is arranged on the back panel, so that a hot-plug function is realized.
Description
Technical field
The present invention relates to a kind of carrier-class general hardware platform, particularly a kind of based on Mi croTCA standard, the media server of the AMC integrated circuit board of compatibility standard.
Background technology
As the popular modularized hardware platform standard of current industry--replenishing of AdvanedTCA standard, what MicroTCA hardware technology standard was primarily aimed at is applications such as network service, medical imaging processing, embedded Control and military project, the advantage of aspects such as its high bandwidth, modularization, dirigibility and high performance-price ratio, obtained using more widely, become the preferred standard of current structure high performance-price ratio modularization standard hardware platform.
A typical MicroTCA system comprises: 12 AMC (Advanced Mezzanine Card) module, 1 or 2 MCH (MicroTCA Carrier Hub), interconnection backboard and modules such as power supply and heat radiation.The AMC integrated circuit board has four kinds of forms according to its physical size difference: single wide overall height, single wide half height, two wide overall heights, two wide half height, but in fact because factor affecting such as element height space heat eliminations, the most common with single wide overall height, the integrated circuit board of other three kinds of forms is being difficult to find trace on the market, does not generally also adopt these three kinds of modes in development.
Though the MicroTCA standard is not made concrete regulation to the physical construction of cabinet, 19 inches frame has been the construction standard of telecommunications room, and therefore, general telecommunication apparatus all is 19 inches width.At present, what the product major part of 19 inches MicroTCA cabinets that provide on the market was used is the MicroTCA power module of standard, because power module has taken the groove position, so, such cabinet can only be supported the AMC integrated circuit board of 10 overall height sizes, though use the AMC integrated circuit board of 4 half high sizes on these cabinets, also can reach the capacity of 12 AMC integrated circuit boards, but because AMC integrated circuit board itself is very compact, density of components is very high on the plate, be difficult to meet the requirements if make the words one side components and parts height of half high size, the AMC integrated circuit board heat radiation of other half high size is difficulty very, so the AMC integrated circuit board supply of half high size is rare, the user for general use MicroTCA standard can only use 10 AMC integrated circuit boards, there is the groove position of two and half high sizes to be not used, and do not reach 12 AMC integrated circuit board capacity of standard code.
In the MicroTCA of standard, AMC integrated circuit board power supply is that the control by power module realizes, need to power to functional module after power module and MCH, the communication of AMC integrated circuit board, wherein also relate to some more loaded down with trivial details IPMI communications protocol, make the power module structure and use very complexity, general manufacturing enterprise or user's exploitation, use difficulty; Often need the debugging of long period just can make the power supply of AMC integrated circuit board to the power supply integrated circuit board; And the agreement that its power module of the product that different production unit provided is used has nothing in common with each other, and poor compatibility has each other in use brought difficulty and trouble for the user, is unfavorable for the popularization and the use of product.
Summary of the invention
The objective of the invention is to improve power system capacity, strengthen stability and reliability, a kind of media server of high bandwidth flexible configuration of practical energy compatibility standard AMC integrated circuit board is provided for reducing MicroTCA system hardware cost.
For achieving the above object, the technical solution used in the present invention is: a kind of media server based on the MicroTCA standard is provided, and it comprises cabinet, backboard, power supply, radiator fan, AMC and MCH; It is characterized in that: described power supply is 2 road AC or the DC power supply that is fixed on the cabinet; Described backboard comprises Oring circuit, DC-DC power module, load power source systems and management power-supply system on it; The input of 2 road power supplys offers the Oring circuit on the backboard respectively after the power module conversion, Oring circuit output 12V power supply is given load power source system and DC-DC power module, and DC-DC power module output 3.3V power supply is given the managing electrical power system; Described load power source system comprises 4～16 load power source modules, exports the 12V power supply respectively and gives MCH, AMC and radiator fan; Described managing electrical power system comprises 2～14 managing electrical power modules, exports the 3.3V power supply respectively and gives MCH and AMC.
The structure of described load power source module is: the PS# signal end of AMC or MCH module outputs to the input end of I/O input expansion module; The control end of I/O input expansion module links to each other with MCH through the I2C bus; The control signal of I/O output expansion module links to each other with MCH through the I2C bus; The output signal of I/O output expansion module links to each other with the control end of load power source control circuit; Load power source control circuit output 12V load power source is input to MCH, AMC and heat radiation fan module respectively.
The structure of described managing electrical power module is: the output signal one tunnel of the PS# signal end of AMC or MCH module is connected with the input end of I/O input expansion module, another road behind negater circuit with the output signal of 1/O output expansion control module output terminal mutually " with " control end of back connection management power control circuit; The control end of the control end of I/O input expansion module and I/O output expansion module is connected to the MCH module through the I2C bus; Managing electrical power control circuit output 3.3V power supply is imported MCH and AMC module respectively.
A kind of media server based on the MicroTCA standard provided by the invention mainly comprises: standard 6U height 19 cun cabinets, AC/DC power supply, backboard, 1～2 MCH integrated circuit board and 1～12 AMC integrated circuit board; The AMC integrated circuit board can use the standard A MC integrated circuit board with difference in functionality according to functional requirement.It has cancelled 2 standard MicroTCA power modules, managing system by MCH powers on, its power management process is as follows: the power supply of MCH and AMC groove position is not all closed when having integrated circuit board to insert (when promptly this groove position PS# signal is high), integrated circuit board when this groove position inserts, the PS# signal is dragged down, the managing electrical power of this groove position powers on immediately, and the control system of management layer is started working; Follow-up power up is according to MCH and AMC groove position and different.After plug AMC groove position, notify main MCH, after MCH and this AMC groove bit walk are normal, open the load power source of this groove position, AMC powers on to finish and starts working.After plugged MCH groove position, at first whether main MCH existed detecting system, exists if detected main equipment, earlier oneself was made as from MCH, and to main MCH application this groove position load power source was powered on; If do not detect main MCH, then oneself is made as main MCH, the load power source of this groove position is opened, system starts working.In the present invention, power module only is responsible for power supply and is not participated in power management, and the requirement to power module reduces greatly like this, can use the lower power module of price; And can increase the AMC integrated circuit board groove position of 2 overall height sizes.Backboard provided by the invention, the complete accord with PCI MG MicroTCA.0 of its electrical specification Specification1.0RC2 standard.The present invention makes the dual-star topology structure to the baseside Port0,1 of AMC, and two MCH can accomplish the function of redundancy backup, has improved the reliability of system.Simultaneously, the present invention such as the differential signal in fat pipes and extended option zone, can carry out the secondary customized development for other port of AMC according to different demands fast, makes dirigibility improve greatly.
Compared with prior art the present invention has following significant advantage:
1, the present invention is to the interconnected core component in the system platform--and-backboard has carried out improving design, cancelled MicroTCA reference power supply module, adopt AD-DC or DC-DC power module commonly used, simultaneously, changed power management, technical scheme by the power module participative management, change into and manage system by MCH and power on, thereby, can cancel the reference power supply module slot, increase the AMC integrated circuit board groove position of 2 overall height sizes, reduce the complicacy and the production cost of system's power supply, and can support the AMC integrated circuit board of 12 overall height sizes, improve the capacity of system.
2, the present invention increases plug-and-play circuit on backboard, and can carry out conducting by GPIO, cuts off management so that certain veneer of system break down need under electricity can control by software when restarting, realized the hot plug function.
Description of drawings
Fig. 1 is the structural representation block diagram of a kind of media server based on the MicroTCA standard of providing of the embodiment of the invention;
Fig. 2 is the structural representation block diagram of a kind of media server load power source system based on the MicroTCA standard of providing of the embodiment of the invention;
Fig. 3 is the structural representation block diagram of a kind of media servers manage power-supply system based on the MicroTCA standard of providing of the embodiment of the invention;
Fig. 4 is the structural representation block diagram of a kind of managing electrical power module of providing of the embodiment of the invention;
Fig. 5 is the structural representation block diagram of a kind of load power source module of providing of the embodiment of the invention;
Fig. 6 is a kind of managing electrical power control circuit schematic diagram that the embodiment of the invention provides;
Fig. 7 is a kind of load power source control circuit schematic diagram that the embodiment of the invention provides.
Embodiment
Below in conjunction with drawings and Examples the present invention is further described:
Embodiment one:
Referring to accompanying drawing 1, it is the structural representation block diagram of a kind of media server based on the MicroTCA standard of providing of present embodiment, and it mainly comprises cabinet, backboard, power supply, radiator fan, AMC and MCH; Its structure is: 2 road AC/DC power supplys fixedly on the cabinet, comprise Oring circuit, DC-DC power module, load power source systems and management power-supply system on the backboard; The input power supply offers the Oring circuit on the backboard respectively after the power module conversion, Oring circuit output 12V power supply is given load power source system and DC-DC power module, and DC-DC power module output 3.3V power supply is given the managing electrical power system; Load power source system output 12V power supply is given MCH, AMC and radiator fan; Managing electrical power system output 3.3V power supply is given MCH and AMC.
In the hardware platform system of this media server, can support 2 MCH, two groups of radiator fans of 12 AMC modules and front and back at most.This system is 220V AC (perhaps-48VDC) input to the requirement of power module, the output of+12V single channel, power is 650W, power module of the present invention, its technical requirement is much simpler than the MicroTCA power module of standard, also be easier on the market purchase, and price is relatively cheap, cost is less than with 1/3rd of the standard MicroTCA power module of power.
At traditional telecommunications room, the DC power supply of general-48V is more common, but along with the development of telecommunication apparatus adopts the equipment of AC power supply more and more common at present.As shown in Figure 1, AC or dc-input power are exported 12V_1,12V_2 through power module 1, power module 2 respectively after changing, and these two kinds of power supplys are mixed into one road 12V output through Oring circuit then, and this 12V is the basis power supply of total system.As seen from the figure because the existence of Oring circuit, 2 power modules are redundancy backup each other, and wherein any one fault does not influence the power supply of total system.And, AC or DC power supply can be used according to the difference of the power module that system adopted, even AC, DC hybrid power supply can be adopted, very easy to use.
Referring to accompanying drawing 2, it is the structural representation block diagram of a kind of load power source system that provides of present embodiment; After mixing through the Oring circuit, the 12V power supply directly is provided to 16 load power source modules, they provide power supply for respectively 2 MCH modules, 12 AMC modules and front and back fan heat-sink unit, each load power source module in this load power source system can hot plug, is convenient for changing and safeguards; Each load power source module all has the ON/OFF control end, at work, carries out ON/OFF control by main MCH, when main MCH detects that some modules break down can be with its power-off, following electricity back electrification reset also can allow malfunctioning module quit work directly with its power-off.
Referring to accompanying drawing 3, it is the structural representation block diagram of a kind of managing electrical power system that provides of present embodiment; 12V voltage is through the DC-DC power module of backboard, generation+3.3V, provide+3.3V power supply (each managing electrical power module is respectively 1～2 MCH and 1～12 AMC provides+the 3.3V power supply) through the management plane of managing electrical power module for total system, its principle of work and 12V power supply basically identical, hot plug and ON/OFF control are all supported in every road; This power management scheme is very flexible, and each managing electrical power module is all supported hot plug.
Referring to accompanying drawing 4, it is the structural representation block diagram of a kind of managing electrical power module of providing of present embodiment; The structure of managing electrical power module is: the output signal one tunnel of the PS# signal end of AMC or MCH module is connected with the input end of I/O input expansion module, another road behind negater circuit with the output signal of I/O output expansion control module output terminal mutually " with " control end of back connection management power control circuit; The control end of the control end of I/O input expansion module and I/O output expansion module is connected to the MCH module through I 2C bus.Managing electrical power control circuit output 1～14 road 3.3V power supply is imported MCH and AMC module respectively.
The principle of work of this managing electrical power module is: after MCH or AMC module insertion base plate, this groove position PS# signal is dragged down, and through negater circuit, controls the managing electrical power control circuit of this groove position and opens, the managing electrical power of this groove position is powered on, and management plane is started working.In addition, when certain managing functional module aspect broke down, main MCH can close the managing electrical power of this groove position or resets by IO expansion.
Referring to accompanying drawing 5, it is the structural representation block diagram of a kind of load power source module of providing of present embodiment, and the structure of load power source module is: the PS# signal end of AMC or MCH module outputs to the input end of I/O input expansion module; The control end of I/O input expansion module links to each other with 1～2 MCH through the I2C bus; The control signal of I/O output expansion module links to each other with 1～2 MCH through I 2C bus; The output signal of I/O output expansion module links to each other with the control end of load power source control circuit; Load power source control circuit output 1～16 road 12V load power source is input to MCH, AMC and fan heat radiation module respectively.
The principle of work of this load power source module is: after main MCH powers on, the signal PS# on the throne of each groove position of poll inquiry, after if the PS# that detects this groove position is dragged down, carry out communication by IPMB bus and this groove position, and be set to ON by the load power source control circuit of this groove position of IO extender, this groove position load power source just can power on, and service layer just can have been started working.When service layer broke down, main MCH can close the load power source of this groove position by the IO expanded circuit.
Referring to accompanying drawing 6, it is a kind of managing electrical power control circuit schematic diagram that present embodiment provides; Managing electrical power is unified to be 3.3V, and ISL6118 is a hot-swapping controller, and it can handle 2 tunnel hot plugs, so need 7 such circuit to come to provide managing electrical power to 2 MCH and 12 AMC in this system altogether.
Referring to accompanying drawing 7, it is a kind of load power source control circuit schematic diagram that the embodiment of the invention provides; Load power source is unified to be 12V, ISL6115 and attached device thereof constitute whole hot plug control circuit, it can only handle the single channel power supply, so need 16 such circuit to come to provide load power source to 2 MCH, 12 AMC and 2 fan heat-sink units in system altogether.
Signal topological structure between the plate of service layer, back board structure provided by the present invention is supported the requirement of 12 AMC module capacity of recommending in the PC IMGMicroTCA.0Specificationl.0RC2 standard fully, and do not need to use the AMC of 4 half high sizes to reach this requirement, can support the AMC module of 12 overall height sizes fully.
The Port0 of AMC module receives the MCH on the left side, and the Port1 of AMC module receives the MCH on the right, has constituted the topological structure of a dual star topology like this.The SerDes signal of these two Port is a gigabit Ethernet in actual use, has so just constituted a complete high speed interconnect hardware platform based on gigabit Ethernet, and 12 AMC modules can be carried out each other data transmission by gigabit Ethernet.In addition, be one group also for the Fat pipe port of AMC with 4 road SerDes, be connected to above the MCH, can be used for high speed data transmission purposes such as RapidIO or PCIe here.Processing to the Fatpipe topology not necessarily also is the double star structure, if system does not need such topological structure, can carry out self-defined interconnected topology to realize different functions.
For the system that needs clock synchronization, 12 AMC also can obtain clock from MCH by the topological structure of dual star topology, guarantee that each AMC functional module can accomplish accurate clock synchronization.
Claims (3)
1. media server based on the MicroTCA standard, it comprises cabinet, backboard, power supply, radiator fan, AMC and MCH; It is characterized in that: described power supply is 2 road AC or the DC power supply that is fixed on the cabinet; Described backboard comprises Oring circuit, DC-DC power module, load power source systems and management power-supply system on it; The input of 2 road power supplys offers the Oring circuit on the backboard respectively after the power module conversion, Oring circuit output 12V power supply is given load power source system and DC-DC power module, and DC-DC power module output 3.3V power supply is given the managing electrical power system; Described load power source system comprises 4～16 load power source modules, exports the 12V power supply respectively and gives MCH, AMC and radiator fan; Described managing electrical power system comprises 2～14 managing electrical power modules, exports the 3.3V power supply respectively and gives MCH and AMC.
2. a kind of media server according to claim 1 based on the MicroTCA standard, it is characterized in that: the structure of described load power source module is: the PS# signal end of AMC or MCH module outputs to the input end of I/O input expansion module; The control end of I/O input expansion module links to each other with MCH through the I2C bus; The control signal of I/O output expansion module links to each other with MCH through I 2C bus; The output signal of I/O output expansion module links to each other with the control end of load power source control circuit; Load power source control circuit output 12V load power source is input to MCH, AMC and heat radiation fan module respectively.
3. a kind of media server according to claim 1 based on the MicroTCA standard, it is characterized in that: the structure of described managing electrical power module is: the output signal one tunnel of the PS# signal end of AMC or MCH module is connected with the input end of I/O input expansion module, another road behind negater circuit with the output signal of I/O output expansion control module output terminal mutually " with " control end of back connection management power control circuit; The control end of the control end of I/O input expansion module and I/O output expansion module is connected to the MCH module through the I2C bus; Managing electrical power control circuit output 1～14 road 3.3V power supply is imported MCH and AMC module respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010603615 CN102073365A (en) | 2010-12-24 | 2010-12-24 | MicroTCA standard-based media server |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010603615 CN102073365A (en) | 2010-12-24 | 2010-12-24 | MicroTCA standard-based media server |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102073365A true CN102073365A (en) | 2011-05-25 |
Family
ID=44031930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010603615 Pending CN102073365A (en) | 2010-12-24 | 2010-12-24 | MicroTCA standard-based media server |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102073365A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102325040A (en) * | 2011-06-27 | 2012-01-18 | 艾诺通信系统（苏州）有限责任公司 | Power management method based on MicroTCA system |
| CN102508516A (en) * | 2011-10-24 | 2012-06-20 | 苏州新海宜通信科技股份有限公司 | AMC (advanced mezzanine card) board card structure based on MicroTCA (telecom and computing architecture) standard and connection type thereof |
| CN104296807A (en) * | 2014-09-30 | 2015-01-21 | 国家电网公司 | Multi-element aggregation type integrated device for online detection of safety of transformer substation |
| CN107511833A (en) * | 2016-06-16 | 2017-12-26 | 小船信息科技（上海）有限公司 | Mounter people |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101453337A (en) * | 2007-11-28 | 2009-06-10 | 华为技术有限公司 | Micro telecommunication and computer general hardware platform architecture system and electric power control method |
| CN101552930A (en) * | 2008-03-31 | 2009-10-07 | 华为技术有限公司 | Power supply system of MicroTCA and transmission method of management power supply |
| CN201886387U (en) * | 2010-12-24 | 2011-06-29 | 艾诺通信系统（苏州）有限责任公司 | Media server based on MicroTCA standard |
-
2010
- 2010-12-24 CN CN 201010603615 patent/CN102073365A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101453337A (en) * | 2007-11-28 | 2009-06-10 | 华为技术有限公司 | Micro telecommunication and computer general hardware platform architecture system and electric power control method |
| CN101552930A (en) * | 2008-03-31 | 2009-10-07 | 华为技术有限公司 | Power supply system of MicroTCA and transmission method of management power supply |
| CN201886387U (en) * | 2010-12-24 | 2011-06-29 | 艾诺通信系统（苏州）有限责任公司 | Media server based on MicroTCA standard |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102325040A (en) * | 2011-06-27 | 2012-01-18 | 艾诺通信系统（苏州）有限责任公司 | Power management method based on MicroTCA system |
| CN102508516A (en) * | 2011-10-24 | 2012-06-20 | 苏州新海宜通信科技股份有限公司 | AMC (advanced mezzanine card) board card structure based on MicroTCA (telecom and computing architecture) standard and connection type thereof |
| CN104296807A (en) * | 2014-09-30 | 2015-01-21 | 国家电网公司 | Multi-element aggregation type integrated device for online detection of safety of transformer substation |
| CN107511833A (en) * | 2016-06-16 | 2017-12-26 | 小船信息科技（上海）有限公司 | Mounter people |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9712337B2 (en) | Employing power over ethernet for auxiliary power in computer systems | |
| US9444633B2 (en) | Method and apparatus for providing power over a data network | |
| US8755265B2 (en) | Method and apparatus for receiving power over a data network | |
| CN209821735U (en) | Extensible computing server with 4U8 nodes | |
| WO2013075511A1 (en) | Rack server system | |
| CN111459751A (en) | High-end server management system | |
| CN107291201A (en) | A kind of server power panel | |
| CN103793003B (en) | A kind of power board and blade server | |
| CN206757471U (en) | A kind of IO Riser boards applied on multipath server | |
| CN117111693A (en) | A server chassis system, server chassis system design method and equipment | |
| CN102073348B (en) | General platform system of uTCA hardware | |
| CN102073365A (en) | MicroTCA standard-based media server | |
| CN204650369U (en) | Cable power service device altogether | |
| CN106249838B (en) | Method for server power supply, backplane and server | |
| US20240223099A1 (en) | Power detecting circuit board, power detecting system, and immersed liquid cooling tank | |
| CN210075453U (en) | Front-end high-integration hardware platform for cable digital television monitoring | |
| CN211656673U (en) | Industrial personal computer | |
| CN210776379U (en) | A GPU Box System | |
| CN201886387U (en) | Media server based on MicroTCA standard | |
| CN202058060U (en) | mu TCA hardware common platform system | |
| CN211857463U (en) | I2C changes integrated circuit board, power module management system of CAN | |
| CN108415866A (en) | Intelligent platform management controller | |
| CN221804625U (en) | Expansion board based on flexible split hardware of server mainboard | |
| CN206686217U (en) | A kind of multiserver network share framework | |
| CN105914867A (en) | Machine cabinet power supply device and machine cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110525 |