CN107357376A - A kind of hard disk backboard, making and its implementation - Google Patents
A kind of hard disk backboard, making and its implementation Download PDFInfo
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- CN107357376A CN107357376A CN201710601305.1A CN201710601305A CN107357376A CN 107357376 A CN107357376 A CN 107357376A CN 201710601305 A CN201710601305 A CN 201710601305A CN 107357376 A CN107357376 A CN 107357376A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/18—Packaging or power distribution
- G06F1/183—Internal mounting support structures, e.g. for printed circuit boards, internal connecting means
- G06F1/187—Mounting of fixed and removable disk drives
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
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- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses a kind of hard disk backboard, making and its implementation, including hard disk connector, for connecting hard disk；Transfer connector, for connecting master controller and the hard disk connector, and it is configured with transmission signal line and control signal wire between transfer connector and hard disk connector, the signal that the master controller transmits according to control signal wire judges hard disk type, determines the signal type of transmission signal line transmission.Compared with prior art, by defining some control signals, to identify hard disk type, the adaptive corresponding hard drive protocol that switches to carries out data transmission a kind of hard disk backboard, making and its implementation of the present invention；In PCB wires design, for SAS and the impedance control of PCIE signal, using the method for equilibrium, median 90ohm is taken, is matched with the signal transfer impedance adapted to without speed, reaches satisfied effect, it is practical, it is applied widely, it is easy to spread.
Description
Technical field
The present invention relates to field of computer technology, specifically a kind of hard disk backboard, making and its implementation.
Background technology
With the fast development of big data, requirement to storage device also more and more higher, the hard disk of NVME standards has low
Delay and good concurrency, power consumption also than traditional SATA SAS hard disks it is lower thus more and more in server system
Used, but because its is on the high side.
In order to meet the needs of different user, user is allowed to be free to selection collocation, so system usually requires compatibility
SATA SAS hard disks, this, which allows for the design of highdensity hard disk backboard, becomes more complicated, and intensive high-speed line is to designer
Very big workload is added, also inevitably brings some cross-interference issues.
In order to solve this problem, some connectors often are added to solve on hard disk backboard now, such as：OCU-
LINK connectors, for the interconnection between mainboard and backboard, this connector can transmit hard disk correlation high speed signal, such as：
The TX/RX signals of the PCIE-TX/RX/CLK signals of NVME disks, SAS and SATA disk, but these signals are separate, the connector
, it is necessary to redundancy ledger line when high speed signal is connected into hard disk connector, to be directed to the independent external hard drive equipment of the type of hard disk.
Because various hard disc data lines are all separate, wiring space is taken respectively, so pcb board needs more
Cabling aspect, corresponding connector are also required to more pins to transmit these signals, make troubles, also increase into design
This.
Based on this, need a kind of hard disk backboard that can effectively reduce wiring space while be applicable polytype hard disk badly and set
Meter scheme.
The content of the invention
The technical assignment of the present invention is to be directed to above weak point, there is provided a kind of hard disk backboard, making and its implementation.
A kind of hard disk backboard, including,
Hard disk connector, for connecting hard disk；
Transfer connector, for connecting master controller and the hard disk connector, and transfer connector and hard disk connector it
Between be configured with transmission signal line and control signal wire, the signal that the master controller transmits according to control signal wire judges hard disk class
Type, determine the signal type of transmission signal line transmission.
The transmission signal line is included with lower part：HW High Way TX/RX signal wires, clock cable CLK signal line；
The control signal wire uses three mould signal wire tri-mode control signal wires, and the three moulds signal wire is used to reflect hard disk connector
The hard disk type of connection, and tri- kinds of protocol modes of SATA, SAS, PCIE are corresponded to respectively.
The signal of the transmission signal line transmission is SATA signals, SAS signals or PCIE signal, when hard disk connector connects
Hard disk when being SATA or SAS hard disks, the signal of HW High Way TX/RX signal wires transmission is SATA signals or SAS signals, this
When clock cable it is invalid；When the hard disk of hard disk connector connection is NVME hard disks, the transmission of HW High Way TX/RX signal wires
Be PCIE signal, clock cable transmission CLK signal.
The impedance value of the HW High Way TX/RX signal wires is 90ohm.
A kind of hard disk backboard preparation method, its manufacturing process are：
Design principle figure first, i.e., according to above-mentioned hard disk backboard structure, in the upper addition transmission of the hard disk connector of hard disk backboard
Signal wire and control signal wire, to connect transfer connector；
According to schematic diagram, generating principle figure net meter file, and net meter file is exported；
Wires design is carried out, configuration constraint rule, the impedance value of HW High Way TX/RX signal wires is arranged to 90ohm；
After the completion of wires design, GERBER file is exported, carries out pcb board printing, the pcb board of the printing is hard disk backboard.
A kind of hard disk backboard implementation method, implementation step are：
First, first on hard disk backboard, hard disk connector and transfer connector are installed；
2nd, on hard disk connector, transmission signal line and control signal wire is configured, connects above-mentioned transfer connector；
3rd, hard disk connector is connected into hard disk, transfer connector connection master controller；
4th, master controller reads hard disk information by control signal wire, and judges hard disk type；
5th, according to hard disk type, different transmission signals is chosen by transmission signal line, is realized between hard disk backboard and hard disk
Signal transmits.
Step is realized above-mentioned, transmission signal line used with lower part：HW High Way TX/RX signal wires, clock letter
Number line CLK signal line；Control signal wire uses three mould signal wire tri-mode control signal wires, and the three moulds signal wire is used to reflect
The hard disk type of hard disk connector connection, and tri- kinds of protocol modes of SATA, SAS, PCIE are corresponded to respectively.
The hard disk that hard disk connector connects in the step 3 includes SATA, SAS or NVME hard disk, corresponding, step
The hard disk type that master controller judges in four is SATA, SAS or NVME hard disk, between the hard disk backboard and hard disk in step 5
Signals transmission is：When hard disk is SATA hard disc, main controller controls transmission signal line carries out the hard disk back of the body with SATA protocol
Data transfer between plate and hard disk；When hard disk is SAS hard disks, main controller controls transmission signal line is carried out with SAS protocol
Data transfer between hard disk backboard and hard disk；When hard disk is NVME hard disks, main controller controls transmission signal line is with PCIE
Agreement carries out the data transfer between hard disk backboard and hard disk.
In step 5, when the hard disk of hard disk connector connection is SATA or SAS hard disks, HW High Way TX/RX letters
The signal of number line transmission is SATA signals or SAS signals, and now clock cable is invalid；When the hard disk of hard disk connector connection is
During NVME hard disks, the transmission of HW High Way TX/RX signal wires is PCIE signal, and clock cable transmits CLK signal.
The impedance value of the HW High Way TX/RX signal wires is 90ohm.
Compared to the prior art a kind of hard disk backboard, making and its implementation of the present invention, has the advantages that：
A kind of hard disk backboard, making and its implementation of the present invention, by defining some control signals, to identify hard disk class
Type, the adaptive corresponding hard drive protocol that switches to carry out data transmission；In PCB wires design, believe for SAS and PCIE
Number impedance control, using equilibrium method, take median 90ohm, with adapt to without speed signal transfer impedance match, reach
To satisfied effect；The present invention transmits different signals using same group of high-speed line, reduces the workload of LAYOUT designs,
And less PCB laminations can be used, reduce the cost of PCB productions, it is practical, it is applied widely, it is easy to spread.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Accompanying drawing 1 realizes structural representation for hard disk backboard embodiment of the present invention.
Embodiment
In order that those skilled in the art more fully understand the solution of the present invention, with reference to embodiment to this
Invention is described in further detail.Obviously, described embodiment is only part of the embodiment of the present invention, rather than all
Embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art institute under the premise of creative work is not made
The every other embodiment obtained, belongs to the scope of protection of the invention.
As shown in Figure 1, a kind of hard disk backboard, including,
Hard disk connector, for connecting hard disk；
Transfer connector, for connecting master controller and the hard disk connector, and transfer connector and hard disk connector it
Between be configured with transmission signal line and control signal wire, the signal that the master controller transmits according to control signal wire judges hard disk class
Type, determine the signal type of transmission signal line transmission.
Above-mentioned transfer connector can use OCU-LINK connectors.
The transmission signal line is included with lower part：HW High Way TX/RX signal wires, clock cable CLK signal line；
The control signal wire then uses three mould signal wire tri-mode control signal wires, and the three moulds control line can reflect affiliated
Hard disk type, tri- kinds of protocol modes of SATA, SAS, PCIE are corresponded to respectively.Corresponding, the master controller is support tri-
The controller of mode functions.
Above-mentioned Tri-mode technologies are 3 mould technologies, are a kind of new compatible support tri- kinds of host-host protocols of SAS/SATA/PCIE
System-level scheme.LSI starts this kind of product scheme of planning at the beginning of 2014, and initial definition is that requirement Controller is supported
SAS, SATA, SATAe disk, backboard end use SFF8680 interfaces；With the development of NVMe technologies and disk, using SFF8639
Interface supports that the application of NVMe SSD disks is more and more extensive, and merging the Broadcom DCSG departments after LSI will in 2015
NVMe is supported in Tri-mode definition extensions, that is, is supported tri- kinds of host-host protocols of SAS, SATA, PCIE, supported SAS/SATA/SATAe/
The class disks of NVMe tetra-.
Tri-mode control signal wires are mainly the PRESENT# signals and IFDET# signals sent by identifying hard disk
Low and high level come judge the hard disk be it is what kind of, for transmission data use.
That is, the PRESENT# signals of hard disk and the varying level of IFDET# signals are patrolled by master controller
Collect computing to draw, when being both low level, be judged as SAS/SATA hard disks, when PRESENT# is height, and IFDET# is low,
It is judged as NVME hard disks, carrying out the adaptive corresponding hard drive protocol that switches to this carries out data transmission.
The signal of the transmission signal line transmission is SATA signals, SAS signals or PCIE signal, when hard disk connector connects
Hard disk when being SATA or SAS hard disks, the signal of HW High Way TX/RX signal wires transmission is SATA signals or SAS signals, this
When clock cable it is invalid；When the hard disk of hard disk connector connection is NVME hard disks, the transmission of HW High Way TX/RX signal wires
Be PCIE signal, clock cable transmission CLK signal.So as to, realize and different signals transmitted using one group of transmission signal line,
Save PCB trace space.
The impedance value of the HW High Way TX/RX signal wires is 90ohm.Herein impedance value value design be because：
Because the impedance of SATA/SAS differential signals is 100ohm, the impedance of PCIE differential signals is 85ohm, in order to meet difference in the design
The impedance matching of transmission line, the design method of equilibrium is taken, is 90ohm by high-speed line impedance adjustment, to adapt to different signals
Transmission, ensure that the transmission quality of signal.
A kind of hard disk backboard preparation method, its manufacturing process are：
Design principle figure first, i.e., according to above-mentioned hard disk backboard structure, in the upper addition transmission of the hard disk connector of hard disk backboard
Signal wire and control signal wire, to connect transfer connector；
According to schematic diagram, generating principle figure net meter file, and net meter file is exported；
Wires design is carried out, configuration constraint rule, the impedance value of HW High Way TX/RX signal wires is arranged to 90ohm；
After the completion of wires design, GERBER file is exported, carries out pcb board printing, the pcb board of the printing is hard disk backboard.
In actual fabrication, hard disk backboard is designed to support to the backboard of warm connection function, so as to realize automatic identification institute
The type of hard disk is inserted, the adaptive corresponding hard drive protocol that switches to carries out data transmission.
A kind of hard disk backboard implementation method, implementation step are：
First, first on hard disk backboard, hard disk connector and transfer connector are installed；
2nd, on hard disk connector, transmission signal line and control signal wire is configured, connects above-mentioned transfer connector；
3rd, hard disk connector is connected into hard disk, transfer connector connection master controller；
4th, master controller reads hard disk information, i.e. PRESENT# signals and IFDET# signals to hard disk by control signal wire
Varying level carry out logical operation draw numerical value, master controller judges which kind of class the hard disk belongs to by reading the numerical value
Type；
5th, according to hard disk type, different transmission signals is chosen by transmission signal line, is realized between hard disk backboard and hard disk
Signal transmits.
Step is realized above-mentioned, transmission signal line used with lower part：HW High Way TX/RX signal wires, clock letter
Number line CLK signal line；Control signal wire uses three mould signal wire tri-mode control signal wires, and the three moulds signal wire is used to reflect
The hard disk type of hard disk connector connection, and tri- kinds of protocol modes of SATA, SAS, PCIE are corresponded to respectively.
The hard disk that hard disk connector connects in the step 3 includes SATA, SAS or NVME hard disk, corresponding, step
The hard disk type that master controller judges in four is SATA, SAS or NVME hard disk, between the hard disk backboard and hard disk in step 5
Signals transmission is：When hard disk is SATA hard disc, main controller controls transmission signal line carries out the hard disk back of the body with SATA protocol
Data transfer between plate and hard disk；When hard disk is SAS hard disks, main controller controls transmission signal line is carried out with SAS protocol
Data transfer between hard disk backboard and hard disk；When hard disk is NVME hard disks, main controller controls transmission signal line is with PCIE
Agreement carries out the data transfer between hard disk backboard and hard disk.
In step 5, when the hard disk of hard disk connector connection is SATA or SAS hard disks, HW High Way TX/RX letters
The signal of number line transmission is SATA signals or SAS signals, and now clock cable is invalid；When the hard disk of hard disk connector connection is
During NVME hard disks, the transmission of HW High Way TX/RX signal wires is PCIE signal, and clock cable transmits CLK signal, so as to,
Realize using the different signal of one group of transmission line, save PCB trace space.
The impedance value of the HW High Way TX/RX signal wires is 90ohm, herein, the resistance for SAS and PCIE signal
Anti- control, using the method for equilibrium, median 90ohm is taken, matched with the signal transfer impedance adapted to without speed, reach satisfied
Effect.
By embodiment above, the those skilled in the art can readily realize the present invention.Herein
Apply specific case to be set forth the principle and embodiment of the present invention, the explanation of above example is only intended to help
Understand the method and its core concept of the present invention.It should be pointed out that for those skilled in the art, do not taking off
On the premise of from the principle of the invention, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into this
In invention scope of the claims.
Claims (10)
- A kind of 1. hard disk backboard, it is characterised in that including,Hard disk connector, for connecting hard disk；Transfer connector, for connecting master controller and the hard disk connector, and transfer connector and hard disk connector it Between be configured with transmission signal line and control signal wire, the signal that the master controller transmits according to control signal wire judges hard disk class Type, determine the signal type of transmission signal line transmission.
- 2. a kind of hard disk backboard according to claim 1, it is characterised in that the transmission signal line is included with lower part： HW High Way TX/RX signal wires, clock cable CLK signal line；The control signal wire uses three mould signal wire tri- Mode control signal wires, the three moulds signal wire be used for reflect hard disk connector connection hard disk type, and correspond to respectively SATA, Tri- kinds of protocol modes of SAS, PCIE.
- 3. a kind of hard disk backboard according to claim 2, it is characterised in that the signal of transmission signal line transmission is SATA signals, SAS signals or PCIE signal, when the hard disk of hard disk connector connection is SATA or SAS hard disks, HW High Way The signal of TX/RX signal wires transmission is SATA signals or SAS signals, and now clock cable is invalid；When hard disk connector connects Hard disk when being NVME hard disks, the transmission of HW High Way TX/RX signal wires is PCIE signal, clock cable transmission CLK letters Number.
- A kind of 4. hard disk backboard according to Claims 2 or 3, it is characterised in that the HW High Way TX/RX signal wires Impedance value be 90ohm.
- 5. a kind of hard disk backboard preparation method, it is characterised in that its manufacturing process is：Design principle figure first, i.e., according to any described hard disk backboard structures of the claims 1-4, in the hard of hard disk backboard Upper the addition transmission signal line and control signal wire of disk connector, to connect transfer connector；According to schematic diagram, generating principle figure net meter file, and net meter file is exported；Wires design is carried out, configuration constraint rule, the impedance value of HW High Way TX/RX signal wires is arranged to 90ohm；After the completion of wires design, GERBER file is exported, carries out pcb board printing, the pcb board of the printing is hard disk backboard.
- 6. a kind of hard disk backboard implementation method, it is characterised in that implementation step is：First, first on hard disk backboard, hard disk connector and transfer connector are installed；2nd, on hard disk connector, transmission signal line and control signal wire is configured, connects above-mentioned transfer connector；3rd, hard disk connector is connected into hard disk, transfer connector connection master controller；4th, master controller reads hard disk information by control signal wire, and judges hard disk type；5th, according to hard disk type, different transmission signals is chosen by transmission signal line, is realized between hard disk backboard and hard disk Signal transmits.
- 7. a kind of hard disk backboard implementation method according to claim 6, it is characterised in that realize step above-mentioned, pass Defeated signal wire is used with lower part：HW High Way TX/RX signal wires, clock cable CLK signal line；Control signal wire uses Three mould signal wire tri-mode control signal wires, the three moulds signal wire are used for the hard disk type for reflecting hard disk connector connection, and Tri- kinds of protocol modes of SATA, SAS, PCIE are corresponded to respectively.
- 8. a kind of hard disk backboard implementation method according to claim 7, it is characterised in that hard disk connects in the step 3 The hard disk of device connection includes SATA, SAS or NVME hard disk, corresponding, and the hard disk type that master controller judges in step 4 is SATA, SAS or NVME hard disk, the signals transmission between hard disk backboard and hard disk in step 5 are：When hard disk is SATA During hard disk, main controller controls transmission signal line carries out the data transfer between hard disk backboard and hard disk with SATA protocol；When hard When disk is SAS hard disks, the data that main controller controls transmission signal line is carried out with SAS protocol between hard disk backboard and hard disk pass It is defeated；When hard disk is NVME hard disks, main controller controls transmission signal line is carried out between hard disk backboard and hard disk with PCIE agreements Data transfer.
- 9. a kind of hard disk backboard implementation method according to claim 8, it is characterised in that in step 5, when hard disk connects The hard disk of device connection is connect when be SATA or SAS hard disks, the signal of HW High Way TX/RX signal wires transmission be SATA signals or SAS signals, now clock cable is invalid；When the hard disk of hard disk connector connection is NVME hard disks, HW High Way TX/RX Signal wire transmission is PCIE signal, and clock cable transmits CLK signal.
- 10. according to a kind of any described hard disk backboard implementation methods of claim 7-9, it is characterised in that the high speed signal The impedance value of line TX/RX signal wires is 90ohm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710601305.1A CN107357376A (en) | 2017-07-21 | 2017-07-21 | A kind of hard disk backboard, making and its implementation |
| PCT/CN2017/113701 WO2019015199A1 (en) | 2017-07-21 | 2017-11-30 | Hard disk backplane, manufacturing and implementation method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710601305.1A CN107357376A (en) | 2017-07-21 | 2017-07-21 | A kind of hard disk backboard, making and its implementation |
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| Publication Number | Publication Date |
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| CN107357376A true CN107357376A (en) | 2017-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710601305.1A Pending CN107357376A (en) | 2017-07-21 | 2017-07-21 | A kind of hard disk backboard, making and its implementation |
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| WO (1) | WO2019015199A1 (en) |
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| CN108021493A (en) * | 2017-12-11 | 2018-05-11 | 郑州云海信息技术有限公司 | A kind of system and method for the control hard disk indication lamp of simplification |
| CN109164884A (en) * | 2018-08-22 | 2019-01-08 | 郑州云海信息技术有限公司 | A kind of design method of hard disk backboard, hard disk backboard and server |
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| WO2019109684A1 (en) * | 2017-12-06 | 2019-06-13 | 郑州云海信息技术有限公司 | System supporting nvme protocol pcie signal |
| CN108021493A (en) * | 2017-12-11 | 2018-05-11 | 郑州云海信息技术有限公司 | A kind of system and method for the control hard disk indication lamp of simplification |
| CN109164884B (en) * | 2018-08-22 | 2020-09-22 | 苏州浪潮智能科技有限公司 | Design method of hard disk backboard, hard disk backboard and server |
| CN109164884A (en) * | 2018-08-22 | 2019-01-08 | 郑州云海信息技术有限公司 | A kind of design method of hard disk backboard, hard disk backboard and server |
| CN109240953A (en) * | 2018-09-20 | 2019-01-18 | 郑州云海信息技术有限公司 | A kind of method, pinboard and the system of adaptive switching hard disk |
| CN109634895A (en) * | 2018-12-10 | 2019-04-16 | 浪潮(北京)电子信息产业有限公司 | A kind of IO card |
| CN109614353A (en) * | 2018-12-11 | 2019-04-12 | 浪潮(北京)电子信息产业有限公司 | A kind of storage extension cabinet |
| CN109933495A (en) * | 2018-12-13 | 2019-06-25 | 英业达科技有限公司 | Detect control circuit and detection control method |
| CN110377551A (en) * | 2019-07-19 | 2019-10-25 | 苏州浪潮智能科技有限公司 | A kind of hot-plug method and relevant apparatus of SAS hard disk backboard |
| CN112380074A (en) * | 2020-11-10 | 2021-02-19 | 中科可控信息产业有限公司 | Connector processing method and device, processing module and electronic equipment |
| CN112380074B (en) * | 2020-11-10 | 2024-05-28 | 中科可控信息产业有限公司 | Connector processing method and device, processing module and electronic equipment |
| CN112527585A (en) * | 2020-12-28 | 2021-03-19 | 西安易朴通讯技术有限公司 | Back plate applied to communication equipment |
| CN112765067A (en) * | 2020-12-31 | 2021-05-07 | 西安易朴通讯技术有限公司 | Hard disk backboard and mainboard assembling structure |
| CN115061958A (en) * | 2022-07-05 | 2022-09-16 | 中国长城科技集团股份有限公司 | Hard disk identification method, identification system, storage medium and computer equipment |
| CN117056146A (en) * | 2023-08-15 | 2023-11-14 | 苏州德伽存储科技有限公司 | Testing device, method and medium compatible with SSD of multiple different protocols simultaneously |
| CN117056146B (en) * | 2023-08-15 | 2024-05-03 | 苏州德伽存储科技有限公司 | Testing device, method and medium compatible with SSD of multiple different protocols simultaneously |
| CN118503164A (en) * | 2024-07-17 | 2024-08-16 | 苏州元脑智能科技有限公司 | Hard disk backboard and server |
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