CN102566680A - SAS (serial attached small computer system interface) back board - Google Patents
SAS (serial attached small computer system interface) back board Download PDFInfo
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- CN102566680A CN102566680A CN2011104561891A CN201110456189A CN102566680A CN 102566680 A CN102566680 A CN 102566680A CN 2011104561891 A CN2011104561891 A CN 2011104561891A CN 201110456189 A CN201110456189 A CN 201110456189A CN 102566680 A CN102566680 A CN 102566680A
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Abstract
The invention provides an SAS (serial attached small computer system interface) back board, which comprises ten hard disk drive slots and a plurality of mini-SAS interfaces, wherein the hard disk drive slots are used for connection with hard disk drives, and the mini-SAS interfaces are used for connection with the hard disk drive slots. By means of the SAS back board, storage extension capacity is improved, storage space of a server is expanded, and storage performance of the server is perfected.
Description
Technical field
The present invention relates to the server field basically, more specifically, relates to a kind of SAS backboard.
Background technology
SAS (Serial Attached SCSI) is the Serial Attached SCSI (SAS) interface, has utilized the structure of point-to-point, adopts serial technology to obtain higher transmission speed.The SAS interfacing can backward compatible SATA, and the SAS System Backplane both can be connected to SAS RAID array control unit through client cables, also can be connected to the SATA controller.SAS has developed into 2.0 stages of SAS at present, and wiring has proposed new requirement to the hard disk backboard high speed signal for this, and the SAS backboard need pass through eye pattern and jitter test, just can be applied in the server system.
Prior art provides a kind of SAS backboard; Comprise SAS interface, power light, hard disk relay indicating light; Its structure is that SAS backboard one side is provided with fixed orifice; Power interface socket and fan socket are set on the fixed orifice limit, and the backboard opposite side has flange and recess, and SAS backboard middle part is provided with a plurality of rectangular through-hole.
Above-mentioned prior art has been improved the heat dispersion of SAS backboard to a certain extent, but the quantity that to the SAS backboard hard disk can be installed changes, and makes that the storage extended capability of SAS backboard is limited.
Summary of the invention
To the defective of above-mentioned prior art, the invention provides a kind of SAS backboard, through SAS backboard proposed by the invention, solved the technical matters that how to strengthen the storage extended capability.
According to an aspect of the present invention, a kind of SAS backboard is provided, has comprised: 10 hard disk slots are used for being connected with hard disk; And a plurality of Mini-SAS interfaces, be connected with said hard disk slot.
In this SAS backboard, said a plurality of Mini-SAS interfaces comprise 3 Mini-SAS interfaces.
In this SAS backboard, said SAS backboard changes the 8PIN line through two 4PIN and is connected with power supply.
In this SAS backboard; The 8PIN end that the said couple of 4PIN changes the 8PIN line is divided into 4 the other PIN on same the straight line that are on 4 PIN and the right on same straight line of being in of the left side; Wherein, 4 equal ground connection of PIN on the said left side, 3 the continuous PIN among 4 PIN on said the right connect 5V voltage, and another PIN among 4 PIN on said the right connects 12V voltage.
In this SAS backboard, said SAS backboard has six layers of PCB layer, wherein; Ground floor and layer 6 are signals layer; The second layer, the 3rd layer, the 4th layer and layer 5 are digital electrical layer or digital stratum, and wherein, said signals layer is used to transmit the signal between said Mini-SAS interface and the said hard disk slot; Said digital electrical layer or digital stratum are used for combining with said signals layer and form the closed-loop path, thereby for said signal return path are provided.
In this SAS backboard; Said Mini-SAS interface comprises: a Mini-SAS interface, the 2nd Mini-SAS interface and the 3rd Mini-SAS interface; Wherein, The RAID card that a said Mini-SAS interface and said the 2nd Mini-SAS interface are used for installing on the PCIE slot with server master board is connected, and said the 3rd Mini-SAS interface is connected with SAS hard-disk interface on the said server master board.
In this SAS backboard, a said Mini-SAS interface is connected with 4 said hard disk slots, and said the 2nd Mini-SAS interface is connected with other 4 said hard disk slots, and said the 3rd Mini-SAS interface is connected with other 2 said hard disk slots.
In this SAS backboard; Each said hard disk slot all pair is connected with corresponding said Mini-SAS interface through two signal wires; Wherein, Said signal wire is sent to corresponding said Mini-SAS interface with signal from said hard disk slot to being used for, and another said signal wire is sent to said hard disk slot with signal from the said Mini-SAS interface of correspondence to being used for.
In this SAS backboard, said signal wire is to comprising the signal wire of two isometric couplings, and transmits differential signal.
In this SAS backboard, the right equiva lent impedance of said signal wire is 100 ohm.
Through SAS backboard provided by the present invention, enlarged the storage extended capability, enlarged the storage space of server, the perfect memory property of server.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of instructions, is used to explain the present invention with embodiments of the invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 shows the structural drawing according to the embodiment of SAS backboard of the present invention;
Fig. 2 shows the structural drawing that changes the embodiment of 8PIN line according to two 4PIN of the SAS of being used to backboard power supply of the present invention;
Fig. 3 shows the PCB rhythmo structure according to SAS backboard of the present invention;
Fig. 4 shows an instance according to the hot plug delay circuit of the SAS of being used for backboard of the present invention;
Fig. 5 shows the eye pattern test that SAS backboard according to the present invention is carried out.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for explanation and explains the present invention, and be not used in qualification the present invention.
Fig. 1 shows the structural drawing according to the embodiment of SAS backboard of the present invention.In Fig. 1, the SAS backboard comprises a plurality of Mini-SAS interfaces and a plurality of hard disk slot, and wherein, a plurality of Mini-SAS interfaces are preferably 3, as shown are Mini-SAS interface 122, Mini-SAS interface 124 and Mini-SAS interface 126; A plurality of hard disk slots are preferably 10, as shown are hard disk slot 102, hard disk slot 104, hard disk slot 106, hard disk slot 108, hard disk slot 110, hard disk slot 112, hard disk slot 114, hard disk slot 116, hard disk slot 118 and hard disk slot 120.Wherein, above-mentioned hard disk slot can be used to the hard disk of pegging graft, such as, SAS hard disk, SATA hard disk or the like.These a plurality of hard disk slots are connected with corresponding Mini-SAS interface; Thereby through the Mini-SAS interface mutually this hard disk slot (more specifically being the hard disk that connects to coupled) transmit data, perhaps the data with hard disk slot (more specifically being the hard disk that connects from coupled) send out through the Mini-SAS interface.
In one embodiment; Mini-SAS interface 122 and Mini-SAS interface 124 can known by one of ordinary skill in the art mode with server master board 132 on the RAID card 128 installed be connected, thereby make this Mini-SAS interface 122 can communicate with server master board 132 with Mini-SAS interface 124.Preferably, this RAID card 128 is installed on the PCIE interface on the server master board 132.Mini-SAS interface 126 can known by one of ordinary skill in the art mode be connected with SAS hard-disk interface 130 on the server master board 132, thereby makes this Mini-SAS interface 126 to communicate with server master board 132.Preferably, this server master board 132 is the mainboard of 4U four road servers.
In this SAS backboard 100, Mini-SAS interface 122 and Mini-SAS interface 124 each with 10 hard disk slots in 4 be connected, other 2 in Mini-SAS interface 126 and 10 the hard disk slots are connected.Preferably, Mini-SAS interface 122 and hard disk slot 102,104,106 are connected with 108; Mini-SAS interface 124 and hard disk slot 110,112,114 are connected with 116; Mini-SAS interface 126 is connected with 120 with hard disk slot 118.
In addition, this SAS backboard 100 also changes 8PIN line 136 through two 4PIN (pin) and is connected with power supply 134, is its power supply thereby pass through power supply 134.This pair 4PIN (pin) changes 8PIN line 136 will be hereinafter through being described in detail with reference to figure 2.
Through the SAS backboard that present embodiment provided, enlarged the storage extended capability, enlarged the storage space of server.
Fig. 2 shows the structural drawing that changes the embodiment of 8PIN line according to two 4PIN of the SAS of being used to backboard power supply of the present invention.In Fig. 2, P1 is the 8PIN end, and P2 and P3 are the 4PIN end.Wherein, shown in the surface 202 of Fig. 2,8 PIN in the 8PIN end are divided into two parts, 4 PIN (1,2,3,4) point-blank and 4 PIN (5,6,7,8) on another straight line, and wherein, PIN4 and the PIN8 of P1 are adjacent.With shown in the surface 204,4 PIN of P2 and P3 are followed successively by 1,2,3,4 like surface 202.Wherein, the PIN of above-mentioned end satisfies following table:
| P1 (8PIN end) | Connect | P2 (4PIN end) | P3 (4PIN end) |
| 1 | |
2 | |
| 2 | Ground connection | 3 | |
| 3 | |
2 | |
| 4 | Ground connection | 3 | |
| 5 | |
1 | 1 |
| 6 | 5V | 4 | |
| 7 | 5V | 4 | 4 |
| 8 | 5V | 4 |
Wherein, the PIN1 ground connection of P1, and be connected with the PIN2 of P2; The PIN2 ground connection of P1, and be connected with the PIN3 of P2; The PIN3 ground connection of P1, and be connected with the PIN2 of P3; The PIN4 ground connection of P1, and be connected with the PIN3 of P3; The PIN5 of P1 connects 12V voltage, and is connected with the PIN1 of P2; The PIN6 of P1 connects 5V voltage, and is connected with the PIN4 of P2; The PIN7 of P1 connects 5V voltage, and is connected with the PIN4 of P2 and the PIN4 of P3; The PIN8 of P1 connects 5V voltage, and is connected with the PIN4 of P3.
Embodiment through described couple of 4PIN of present embodiment (pin) commentaries on classics 8PIN line can provide needed voltage for 10 hard disks, and power supply is stable.
Fig. 3 shows the PCB rhythmo structure according to SAS backboard of the present invention.In Fig. 3, layer 300 is ground floor (top layer), and layer 302 is the second layer, and layer 304 is the 3rd layer; Layer 306 is the 4th layer, and layer 308 is a layer 5, and layer 310 is layer 6 (bottom); Wherein, layer 300 is a signals layer with layer 310, and layer 302,304,306 and 308 is digital electrical layer or digital stratum.Wherein, above-mentioned signals layer is used to transmit the signal between said Mini-SAS interface and the hard disk slot, and digital electrical layer or digital stratum are used for combining with signals layer and form the closed-loop path, thereby return path is provided for signal.
Through above-mentioned topological design, each signals layer all has very near bottom and its formation loop.Thereby externally can cancel out each other in the magnetic field of space generation, and EMI to external world is also very little.
Fig. 4 shows an instance according to the hot plug delay circuit of the SAS of being used for backboard of the present invention.Hot plug delay circuit illustrated in fig. 4 is realized by two groups of IRF MOSFET and interlock circuit, in the moment that hard disk connects, reasonably controls surge current, guarantees that safety powers at interval.
In one embodiment; Each hard disk slot all pair is connected with corresponding Mini-SAS interface through two signal wires; Wherein, Signal wire is sent to corresponding Mini-SAS interface with signal from the hard disk slot to being used for, and another signal wire is sent to hard disk slot with signal from the Mini-SAS interface of correspondence to being used for.Preferably, signal wire is to comprising the signal wire of two isometric couplings, and transmits differential signal.Preferably, this signal wire is to satisfying impedance matching, and the right equiva lent impedance of signal wire is approximately 100 ohm.
Utilize eye pattern that the SAS backboard with above-mentioned configuration is tested, Fig. 5 shows the eye pattern test that SAS backboard according to the present invention is carried out.Can find out that according to Fig. 5 this SAS back plate design satisfies the template requirement, eye is high, eye is wide etc. all in the template that allows.This SAS backboard collocation server system can be realized the stable transfer of differential signal, has guaranteed the speed and the stability of system's storage, has significantly reduced the bit error rate.
In addition; Through SAS backboard of the present invention, structurally realized in the 1U space, supporting 10 SAS hard disks, realized the memory module design concept; Solution has realized that RAID card matching board carries the technical matters that SAS supports RAID; SAS 2.0 technology are supported in the hot plug delay circuit hard disk hot-plug support operation that the SAS backboard adopts, and can realize the stable transfer of 6Gbps high speed signal.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. SAS backboard comprises:
10 hard disk slots are used for being connected with hard disk; And
A plurality of Mini-SAS interfaces are connected with said hard disk slot.
2. SAS backboard according to claim 1 is characterized in that, said a plurality of Mini-SAS interfaces comprise 3 Mini-SAS interfaces.
3. SAS backboard according to claim 2 is characterized in that, said SAS backboard changes the 8PIN line through two 4PIN and is connected with power supply.
4. SAS backboard according to claim 3; It is characterized in that; The 8PIN end that the said couple of 4PIN changes the 8PIN line is divided into 4 the other PIN on same the straight line that are on 4 PIN and the right on same straight line of being in of the left side, wherein, and 4 equal ground connection of PIN on the said left side; 3 continuous PIN among 4 PIN on said the right connect 5V voltage, and another PIN among 4 PIN on said the right connects 12V voltage.
5. according to claim 2 or 4 described SAS backboards; It is characterized in that said SAS backboard has six layers of PCB layer, wherein; Ground floor and layer 6 are signals layer; The second layer, the 3rd layer, the 4th layer and layer 5 are digital electrical layer or digital stratum, and wherein, said signals layer is used to transmit the signal between said Mini-SAS interface and the said hard disk slot; Said digital electrical layer or digital stratum are used for combining with said signals layer and form the closed-loop path, thereby for said signal return path are provided.
6. SAS backboard according to claim 2; It is characterized in that; Said Mini-SAS interface comprises: a Mini-SAS interface, the 2nd Mini-SAS interface and the 3rd Mini-SAS interface; Wherein, the RAID card that a said Mini-SAS interface and said the 2nd Mini-SAS interface are used for installing on the PCIE slot with server master board is connected, and said the 3rd Mini-SAS interface is connected with SAS hard-disk interface on the said server master board.
7. SAS backboard according to claim 6; It is characterized in that; A said Mini-SAS interface is connected with 4 said hard disk slots; Said the 2nd Mini-SAS interface is connected with other 4 said hard disk slots, and said the 3rd Mini-SAS interface is connected with other 2 said hard disk slots.
8. SAS backboard according to claim 7; It is characterized in that; Each said hard disk slot all pair is connected with corresponding said Mini-SAS interface through two signal wires; Wherein, said signal wire is sent to corresponding said Mini-SAS interface with signal from said hard disk slot to being used for, and another said signal wire is sent to said hard disk slot with signal from the said Mini-SAS interface of correspondence to being used for.
9. SAS backboard according to claim 8 is characterized in that, said signal wire is to comprising the signal wire of two isometric couplings, and transmits differential signal.
10. SAS backboard according to claim 9 is characterized in that, the right equiva lent impedance of said signal wire is 100 ohm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104561891A CN102566680A (en) | 2011-12-31 | 2011-12-31 | SAS (serial attached small computer system interface) back board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104561891A CN102566680A (en) | 2011-12-31 | 2011-12-31 | SAS (serial attached small computer system interface) back board |
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| Publication Number | Publication Date |
|---|---|
| CN102566680A true CN102566680A (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104561891A Pending CN102566680A (en) | 2011-12-31 | 2011-12-31 | SAS (serial attached small computer system interface) back board |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104035531A (en) * | 2014-06-24 | 2014-09-10 | 浪潮电子信息产业股份有限公司 | High-scalability 1U server node system |
| CN104238638A (en) * | 2013-06-17 | 2014-12-24 | 中兴通讯股份有限公司 | Miniaturized calculate storage combination system |
| CN105045736A (en) * | 2015-07-01 | 2015-11-11 | 浪潮电子信息产业股份有限公司 | 25-port high-speed back plate |
| CN105138486A (en) * | 2015-08-26 | 2015-12-09 | 浪潮电子信息产业股份有限公司 | PCIE equipment expansion framework |
| CN105549697A (en) * | 2016-01-20 | 2016-05-04 | 山东超越数控电子有限公司 | SATA expansion board based on SWCPU and implementation method thereof |
| WO2017193683A1 (en) * | 2016-05-09 | 2017-11-16 | 浪潮电子信息产业股份有限公司 | Signal enhancement board, and signal enhancement method and system |
| CN108829619A (en) * | 2018-05-23 | 2018-11-16 | 郑州云海信息技术有限公司 | A kind of continuous topological structure of hard disk ID and hard disk ID localization method |
| CN109471823A (en) * | 2018-11-19 | 2019-03-15 | 浪潮电子信息产业股份有限公司 | 4OU storage structure |
| US10445276B2 (en) | 2018-01-19 | 2019-10-15 | Universal Scientific Industrial (Shanghai) Co., Ltd. | Server system having a hot plug motherboard |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1798475A (en) * | 2004-12-24 | 2006-07-05 | 鸿富锦精密工业（深圳）有限公司 | Printing circuit board of anti static discharge |
| CN201294097Y (en) * | 2008-11-28 | 2009-08-19 | 浪潮电子信息产业股份有限公司 | Three-cycle 4SAS hard disk backboard |
| CN201489419U (en) * | 2009-08-14 | 2010-05-26 | 浪潮电子信息产业股份有限公司 | SAS back panel suitable for different interfaces |
| CN101751229A (en) * | 2009-12-31 | 2010-06-23 | 曙光信息产业(北京)有限公司 | Storage expanding module for blade server |
| CN101751318A (en) * | 2008-11-28 | 2010-06-23 | 英业达股份有限公司 | Hard disk system status monitoring method |
-
2011
- 2011-12-31 CN CN2011104561891A patent/CN102566680A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1798475A (en) * | 2004-12-24 | 2006-07-05 | 鸿富锦精密工业（深圳）有限公司 | Printing circuit board of anti static discharge |
| CN201294097Y (en) * | 2008-11-28 | 2009-08-19 | 浪潮电子信息产业股份有限公司 | Three-cycle 4SAS hard disk backboard |
| CN101751318A (en) * | 2008-11-28 | 2010-06-23 | 英业达股份有限公司 | Hard disk system status monitoring method |
| CN201489419U (en) * | 2009-08-14 | 2010-05-26 | 浪潮电子信息产业股份有限公司 | SAS back panel suitable for different interfaces |
| CN101751229A (en) * | 2009-12-31 | 2010-06-23 | 曙光信息产业(北京)有限公司 | Storage expanding module for blade server |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104238638A (en) * | 2013-06-17 | 2014-12-24 | 中兴通讯股份有限公司 | Miniaturized calculate storage combination system |
| CN104035531A (en) * | 2014-06-24 | 2014-09-10 | 浪潮电子信息产业股份有限公司 | High-scalability 1U server node system |
| CN105045736A (en) * | 2015-07-01 | 2015-11-11 | 浪潮电子信息产业股份有限公司 | 25-port high-speed back plate |
| CN105045736B (en) * | 2015-07-01 | 2018-02-23 | 浪潮电子信息产业股份有限公司 | 25-port high-speed back plate |
| CN105138486A (en) * | 2015-08-26 | 2015-12-09 | 浪潮电子信息产业股份有限公司 | PCIE equipment expansion framework |
| CN105138486B (en) * | 2015-08-26 | 2020-05-12 | 苏州浪潮智能科技有限公司 | PCIE equipment expansion framework |
| CN105549697A (en) * | 2016-01-20 | 2016-05-04 | 山东超越数控电子有限公司 | SATA expansion board based on SWCPU and implementation method thereof |
| WO2017193683A1 (en) * | 2016-05-09 | 2017-11-16 | 浪潮电子信息产业股份有限公司 | Signal enhancement board, and signal enhancement method and system |
| US10445276B2 (en) | 2018-01-19 | 2019-10-15 | Universal Scientific Industrial (Shanghai) Co., Ltd. | Server system having a hot plug motherboard |
| CN108829619A (en) * | 2018-05-23 | 2018-11-16 | 郑州云海信息技术有限公司 | A kind of continuous topological structure of hard disk ID and hard disk ID localization method |
| CN109471823A (en) * | 2018-11-19 | 2019-03-15 | 浪潮电子信息产业股份有限公司 | 4OU storage structure |
| CN109471823B (en) * | 2018-11-19 | 2023-07-14 | 浪潮电子信息产业股份有限公司 | 4OU storage structure |
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Application publication date: 20120711 |