CN100345119C - blade server - Google Patents
blade server Download PDFInfo
- Publication number
- CN100345119C CN100345119C CNB2004100459381A CN200410045938A CN100345119C CN 100345119 C CN100345119 C CN 100345119C CN B2004100459381 A CNB2004100459381 A CN B2004100459381A CN 200410045938 A CN200410045938 A CN 200410045938A CN 100345119 C CN100345119 C CN 100345119C
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- Prior art keywords
- nmos pass
- pass transistor
- blade type
- type server
- diode
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- Expired - Fee Related
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- 229910044991 metal oxide Inorganic materials 0.000 claims description 12
- 150000004706 metal oxides Chemical class 0.000 claims description 12
- 239000004065 semiconductor Substances 0.000 claims description 12
- 238000002955 isolation Methods 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000009183 running Effects 0.000 description 9
- 125000006850 spacer group Chemical group 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
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Abstract
A blade server system comprising: a system management unit for outputting a control signal; the blade server is communicated with the system management unit according to a signal line; and an isolation circuit, the signal line of the blade server outputs a communication signal through the isolation circuit. The transmission of the signals is controlled by the system management unit and the isolation circuit. The signal interference generated when the blade server is hot-plugged or fails to operate can be avoided, and the whole blade server system can continue to operate normally.
Description
Technical field
The present invention is relevant for a kind of server system, and particularly relevant for a kind of blade type server system.
Background technology
Blade type server (Blade server) system is a difference server system in the past, and the blade type server system is made up of a plurality of blade type servers.A blade type server is with processor, storer, and the hardware synthesis of server system such as hard disk drive is to single motherboard, and resources such as the shared each other cabinet of a plurality of blade type server (chassis), supply unit, keyboard, display and mouse.
Please refer to Fig. 1, it is expressed as conventional blades type server square figure.Blade type server 102 is one of them blade type server in the system, and the signal wire of all blade type servers all is electrically connected with bus (bus) 106.The blade type server is exported a plurality of ditch messengers to bus 106 by a plurality of signal wires, is received in the information that transmits in the bus 106 by System Management Unit (System management) 104 again.
Please refer to Fig. 2, it is expressed as blade type server system one-piece construction figure.When blade type server system 200 is operating, blade type server 102 directly can be pulled away or inserts connector 204, this promptly is called hot plug (Hot plug).When hot plug blade type server 102 in running, can produce big electric current (surge current) and cause the bus 106 can't normal operation, and influence the blade type data in server transmission in other runnings.
In whole server system, when 102 runnings of blade type server are unusual, the ditch messenger can push away or be pulled down to a fixed level on the signal with bus 106, and that causes bus 106 can't normal operation, also influences the blade type data in server transmission in other runnings.
Summary of the invention
In view of this, purpose of the present invention is providing a kind of blade type server system exactly, can be when the blade type server carries out hot plug or the blade type server operate when unusual, the blade type server signal that causes signal to disturb is isolated, and then make integral knife blade type server system stable, be not subjected to the signal interference of this blade type server.
According to purpose of the present invention, a kind of blade type server system is proposed, comprising: a System Management Unit, in order to export a control signal; One blade type server has a signal wire, and signal wire is in order to output ditch messenger; An and buffer circuit, constitute with two diodes that are connected with N type metal oxide semiconductor transistor respectively by two interconnective N type metal oxide semiconductor transistors, this signal wire of this N type metal oxide semiconductor transistor AND gate connects, and this buffer circuit is controlled by this control signal; Wherein, when this blade type server operates just often, passage between N type metal oxide semiconductor transistor drain and the source electrode forms, this buffer circuit conducting, this signal wire is exported this ditch messenger to this System Management Unit via this buffer circuit, when this blade type server operates unusual, or during this blade type server of hot plug, passage between N type metal oxide semiconductor transistor drain and the source electrode turn-offs, this not conducting of buffer circuit, this ditch messenger can't be sent to this System Management Unit.
The accompanying drawing simple declaration
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, a preferred embodiments cited below particularly, and conjunction with figs. are described in detail as follows:
Fig. 1 is expressed as conventional blades type server square figure.
Fig. 2 is expressed as blade type server system one-piece construction figure.
Fig. 3 represents the blade type server square figure according to a preferred embodiment of the present invention.
Fig. 4 is expressed as an example of the employed spacer assembly of blade type server system of the present invention shown in Figure 2.
Fig. 5 is expressed as another example of the employed spacer assembly of blade type server system of the present invention shown in Figure 2.
Fig. 6 represents the blade type server system one-piece construction figure according to preferred embodiment of the present invention.
The drawing reference numeral explanation
200: conventional blades type server system
102,302: the blade type server
104,304: System Management Unit
106,306: bus
202,602: the central circuit plate
204,604: connector
308: buffer circuit
310: signal wire
312: the ditch messenger
314: control signal
402,404,502,504:NMOS transistor
406,408,506,508: diode
510,512: resistance
600: the blade type server system
Embodiment
Propose a kind of blade type server system according to the present invention, please refer to Fig. 3, comprising: a System Management Unit 304, a blade type server 302 and a buffer circuit 308.Blade type server 302 has a signal wire 310, exports a ditch messenger 312 whereby.Buffer circuit 308 is connected with signal wire 310, and buffer circuit 308 is controlled by a control signal 314.The bus 306 that System Management Unit 304 borrows ditch messenger 312 to be passed on is learnt the state of blade type server 302, exports control signal 314 according to this.
Please refer to Fig. 6, its expression is according to the blade type server system one-piece construction figure of a preferred embodiment of the present invention.Blade type server system 600 also has a central circuit plate 602, has at least one connector 604 and bus 306 on it, and blade type server 302 is disposed on the central circuit plate 602 by connector 604, to be electrically connected with System Management Unit 304.The ditch messenger 312 of blade type server 302 outputs is sent to System Management Unit 304 via buffer circuit 308 and bus 306.
In the present embodiment, buffer circuit 308 is for example formed with two N type metal oxide semiconductors (nmos pass transistor) and two diodes.Please refer to Fig. 4, it is expressed as an example of the employed spacer assembly 308 of blade type server system of the present invention shown in Figure 2.Buffer circuit 308 by nmos pass transistor 402, nmos pass transistor 404, diode 406, and diode 408 form.Wherein the source electrode of nmos pass transistor 402 (Source) is connected with this signal wire 310, and the source electrode of nmos pass transistor 404 is connected to bus 306, and the drain electrode of nmos pass transistor 402 (Drain) is connected with the drain electrode of nmos pass transistor 404.The control signal 314 of grid (Gate) receiving system administrative unit 304 outputs of nmos pass transistor 402 and nmos pass transistor 404.
The source electrode of nmos pass transistor 402 is connected with the P utmost point of diode 406, the drain electrode of nmos pass transistor 402 is connected with the N utmost point of diode 406, the source electrode of nmos pass transistor 404 is connected with the P utmost point of diode 408, and the drain electrode of nmos pass transistor 404 is connected with the N utmost point of diode 408.When blade type server 302 was disposed on the central circuit plate 602 by connector 604, the source electrode of nmos pass transistor 404 was electrically connected with bus 306.
When blade type server 302 when being working properly, System Management Unit 304 is learnt the state of blade type server 302 by signal wire 310, and then with control signal 314 control buffer circuits 308.At this moment, control signal is with the grid voltage (V of nmos pass transistor 402 and nmos pass transistor 404
G) adjust, make grid voltage (V
G), source voltage (V
S), the poor (V of gate-source voltage
GS), and threshold voltage (V
T, Threshold voltage) relation as follows:
V
G-V
S＝V
GS＞V
T；
At this moment, the passage between drain electrode and the source electrode forms, and makes buffer circuit 308 conductings.
When blade type server 302 operated unusual or carries out the action of hot plug, System Management Unit 304 was learnt that 302 runnings of blade type server are unusual, and then is controlled buffer circuits 308 with control signal 314 by signal wire 310.At this moment, control signal is adjusted the grid voltage of nmos pass transistor 402 and nmos pass transistor 404, make grid voltage, source voltage, gate-source voltage poor, and the relation of threshold voltage as follows:
V
G-V
S＝V
GS＜V
T；
At this moment, the passage between drain electrode and the source electrode turn-offs, and makes buffer circuit 308 not conductings, and at this moment, the input end of buffer circuit 308 and output terminal present the high impedance isolation, to reach the purpose of Signal Spacing.
Please refer to Fig. 5, it is expressed as another example of the employed spacer assembly 308 of blade type server system of the present invention shown in Figure 2.Buffer circuit 308 is formed with two nmos pass transistors, two diodes and two resistance.Buffer circuit 308 by nmos pass transistor 502, nmos pass transistor 504, diode 506, diode 508, resistance 510, and resistance 512 form.Wherein the drain electrode of nmos pass transistor 502 is connected with this signal wire 310, and the drain electrode of nmos pass transistor 504 is connected to bus 306 ends, and the source electrode of nmos pass transistor 502 is connected with the source electrode of nmos pass transistor 504.The control signal 314 of grid receiving system administrative unit 304 outputs of nmos pass transistor 502 and nmos pass transistor 504.
The source electrode of nmos pass transistor 502 is connected with the P utmost point of diode 506, the drain electrode of nmos pass transistor 502 is connected with the N utmost point of diode 506, the source electrode of nmos pass transistor 504 is connected with the P utmost point of diode 508, and the drain electrode of nmos pass transistor 504 is connected with the N utmost point of diode 508.And the drain electrode of nmos pass transistor 502 is connected with an end of resistance 510, the other end ground connection of resistance 510.The drain electrode of nmos pass transistor 504 is connected with an end of resistance 512, the other end ground connection of resistance 512.
When blade type server 302 when being working properly, System Management Unit 304 is learnt the state of blade type server 302 by signal wire 310, and then with control signal 314 control buffer circuits 308.At this moment, control signal 314 is adjusted the grid voltage of nmos pass transistor 502 and nmos pass transistor 504, make grid voltage, source voltage, gate-source voltage poor, and the relation of threshold voltage as follows:
V
G-V
S＝V
GS＞V
T；
At this moment, the passage between drain electrode and the source electrode forms, and makes buffer circuit 308 conductings.
Unusual or carry out the action of hot plug when blade type server 302 running, System Management Unit 304 learns that by signal wire 310 302 runnings of blade type server are unusual, and then with control signal 314 control buffer circuits 308.At this moment, control signal 314 is adjusted the grid voltage of nmos pass transistor 502 and nmos pass transistor 504, make grid voltage, source voltage, gate-source voltage poor, and the relation of threshold voltage as follows:
V
G-V
S＝V
GS＜V
T；
At this moment, the passage between drain electrode and the source electrode turn-offs, and makes buffer circuit 308 not conductings, and at this moment, the input end of buffer circuit 308 and output terminal present the high impedance isolation, to reach the purpose of Signal Spacing.
The disclosed common application of the above embodiment of the present invention is in the signals disperse spacer assembly of blade type server, in whole blade type server system, if have a certain blade type server to carry out hot plug or operate when unusual, the signal that the present invention can isolate the blade type server effectively disturbs, and makes the blade type server system can continue normal operation.
In sum, though the present invention with a preferred embodiment openly as above, right its is not in order to limit the present invention, any those skilled in the art, under the situation that does not break away from the spirit and scope of the present invention, can carry out various changes and modification, therefore scope of the present invention is as the criterion with the claim restricted portion that is proposed.
Claims (9)
1. blade type server system comprises:
One System Management Unit is in order to export a control signal;
One blade type server has a signal wire, and this signal wire is in order to export a ditch messenger; And
One buffer circuit, constitute with two diodes that are connected with N type metal oxide semiconductor transistor respectively by two interconnective N type metal oxide semiconductor transistors, this signal wire of this N type metal oxide semiconductor transistor AND gate connects, and this buffer circuit is controlled by this control signal;
Wherein, when this blade type server operates just often, passage between N type metal oxide semiconductor transistor drain and the source electrode forms, this buffer circuit conducting, this signal wire is exported this ditch messenger to this System Management Unit via this buffer circuit, when this blade type server operates unusual, or during this blade type server of hot plug, passage between N type metal oxide semiconductor transistor drain and the source electrode turn-offs, this not conducting of buffer circuit, this ditch messenger can't be sent to this System Management Unit.
2. blade type server system as claimed in claim 1, wherein this buffer circuit is disposed in this blade type server.
3. blade type server system as claimed in claim 2, wherein this blade type server system also has a central circuit plate, have a connector on this central circuit plate, this blade type server is disposed on this central circuit plate by this connector, to be electrically connected with this System Management Unit.
4. blade type server system as claimed in claim 3, wherein this central circuit plate has a bus, and this ditch messenger is sent to this System Management Unit via this buffer circuit and this bus.
5. blade type server system as claimed in claim 4, wherein this buffer circuit comprises:
One the one N type metal oxide semiconductor transistor, the source electrode of this first nmos pass transistor is connected with this signal wire, and the grid of this first nmos pass transistor receives this control signal of this System Management Unit output; And
One second nmos pass transistor, the drain electrode of this second nmos pass transistor is connected with the drain electrode of this first nmos pass transistor, the grid of this second nmos pass transistor receives this control signal of this System Management Unit output, when this blade type server was disposed on this central circuit plate by this connector, the source electrode of this second nmos pass transistor was electrically connected with this bus.
6. blade type server system as claimed in claim 5, wherein this buffer circuit more comprises one first diode and one second diode, the source electrode of this first nmos pass transistor is connected with the P utmost point of this first diode, the drain electrode of this first nmos pass transistor is connected with the N utmost point of this first diode, the source electrode of this second nmos pass transistor is connected with the P utmost point of this second diode, and the drain electrode of this second nmos pass transistor is connected with the N utmost point of this second diode.
7. blade type server system as claimed in claim 3, wherein this buffer circuit comprises:
One first resistance and one second resistance, one first end ground connection of this first resistance, one first end ground connection of this second resistance;
One the 3rd nmos pass transistor, the drain electrode of the 3rd nmos pass transistor is connected with this signal wire, and is connected with one second end of this first resistance, and the grid of the 3rd nmos pass transistor receives this control signal of this System Management Unit output; And
One the 4th nmos pass transistor, the source electrode of the 4th nmos pass transistor is connected with the source electrode of the 3rd nmos pass transistor, the drain electrode of the 4th nmos pass transistor also is connected with second end of this second resistance, when this blade type server is disposed on this central circuit plate by this connector, the drain electrode of the 4th nmos pass transistor is electrically connected with this bus, and the grid of the 4th nmos pass transistor receives this control signal of this System Management Unit output.
8. blade type server system as claimed in claim 7, wherein this buffer circuit more comprises one the 3rd diode and one the 4th diode, the source electrode of the 3rd nmos pass transistor is connected with the P utmost point of the 3rd diode, the drain electrode of the 3rd nmos pass transistor is connected with the N utmost point of the 3rd diode, the source electrode of the 4th nmos pass transistor is connected with the P utmost point of the 4th diode, and the drain electrode of the 4th nmos pass transistor is connected with the N utmost point of the 4th diode.
9. blade type server system as claimed in claim 1, wherein this signal wire meets internal integrate circuit bus (I
2C) or serial port (COM) specification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100459381A CN100345119C (en) | 2004-05-25 | 2004-05-25 | blade server |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100459381A CN100345119C (en) | 2004-05-25 | 2004-05-25 | blade server |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1704905A CN1704905A (en) | 2005-12-07 |
| CN100345119C true CN100345119C (en) | 2007-10-24 |
Family
ID=35577210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100459381A Expired - Fee Related CN100345119C (en) | 2004-05-25 | 2004-05-25 | blade server |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100345119C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110093572A1 (en) * | 2008-06-20 | 2011-04-21 | Koehler Loren M | Low level initializer |
| CN105425918A (en) * | 2015-12-16 | 2016-03-23 | 英业达科技有限公司 | Miniature server system |
| CN107102709B (en) * | 2017-04-28 | 2019-08-27 | 郑州云海信息技术有限公司 | A device for improving the reliability of multi-server management signals |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1346099A (en) * | 2000-09-26 | 2002-04-24 | 宏碁电脑股份有限公司 | A computer system with hot plug function |
| US20030105904A1 (en) * | 2001-12-04 | 2003-06-05 | International Business Machines Corporation | Monitoring insertion/removal of server blades in a data processing system |
| CN1464352A (en) * | 2002-06-18 | 2003-12-31 | 友旺科技股份有限公司 | Wireless transmission computer peripheral interface with identification function |
| CN1485747A (en) * | 2002-09-27 | 2004-03-31 | 鸿富锦精密工业（深圳）有限公司 | Control circuit and method of dual hot-swap IDE device |
-
2004
- 2004-05-25 CN CNB2004100459381A patent/CN100345119C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1346099A (en) * | 2000-09-26 | 2002-04-24 | 宏碁电脑股份有限公司 | A computer system with hot plug function |
| US20030105904A1 (en) * | 2001-12-04 | 2003-06-05 | International Business Machines Corporation | Monitoring insertion/removal of server blades in a data processing system |
| CN1464352A (en) * | 2002-06-18 | 2003-12-31 | 友旺科技股份有限公司 | Wireless transmission computer peripheral interface with identification function |
| CN1485747A (en) * | 2002-09-27 | 2004-03-31 | 鸿富锦精密工业（深圳）有限公司 | Control circuit and method of dual hot-swap IDE device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1704905A (en) | 2005-12-07 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071024 Termination date: 20190525 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |