CN106021151A - Signal enhancing board as well as signal enhancing method and system - Google Patents

Signal enhancing board as well as signal enhancing method and system Download PDF

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Publication number
CN106021151A
CN106021151A CN201610305191.1A CN201610305191A CN106021151A CN 106021151 A CN106021151 A CN 106021151A CN 201610305191 A CN201610305191 A CN 201610305191A CN 106021151 A CN106021151 A CN 106021151A
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CN
China
Prior art keywords
signal
pcie
sas
unit
hard disk
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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
Application number
CN201610305191.1A
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Chinese (zh)
Inventor
毛晓彤
穆德学
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Inspur Electronic Information Industry Co Ltd
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Inspur Electronic Information Industry Co Ltd
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Publication date
Application filed by Inspur Electronic Information Industry Co Ltd filed Critical Inspur Electronic Information Industry Co Ltd
Priority to CN201610305191.1A priority Critical patent/CN106021151A/en
Publication of CN106021151A publication Critical patent/CN106021151A/en
Priority to PCT/CN2017/075913 priority patent/WO2017193683A1/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/382Information transfer, e.g. on bus using universal interface adapter
    • G06F13/385Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/42Bus transfer protocol, e.g. handshake; Synchronisation
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/42Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4204Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus
    • G06F13/4221Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being an input/output bus, e.g. ISA bus, EISA bus, PCI bus, SCSI bus
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2213/00Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F2213/0024Peripheral component interconnect [PCI]
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2213/00Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F2213/38Universal adapter
    • G06F2213/3852Converter between protocols

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Information Transfer Systems (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

The invention provides a signal enhancing board as well as a signal enhancing system and method. The signal enhancing board comprises a PCIE signal interface unit, a signal pre-processing unit, a signal enhancing processing unit, a conversion and transmission unit and an SAS signal interface unit, wherein the PCIE signal interface unit is used for receiving a PCIE signal from an external mainboard; the signal pre-processing unit is used for removing a shake in the PCIE signal received by the PCIE signal interface unit, resetting output parameters through a dial switch and transmitting the processed PCIE signal to the signal enhancing processing unit; the signal enhancing processing unit is used for enhancing the amplitudes of a rising edge and a falling edge of the PCIE signal, reducing the oscillation amplitude of the PCIE signal and transmitting the processed PCIE signal to the conversion and transmission unit; the conversion and transmission unit are used for converting the received PCIE signal into an SAS signal and transmitting the SAS signal to the SAS signal interface unit; and the SAS signal interface unit is used for sending the received SAS signal to an external hard disk backboard. According to the signal enhancing board as well as the signal enhancing system and method, the PCIE signal between the mainboard and the hard disk backboard can be enhanced.

Description

A kind of signal strengthens plate, signal Enhancement Method and system
Technical field
The present invention relates to field of computer technology, strengthen plate, signal Enhancement Method particularly to a kind of signal And system.
Background technology
In the server, for solving space utilization problem, generally hard-disk interface is placed on backboard, main It is connected by cable between plate with backboard.
In actual applications, on hard disk backboard, PCIE cabling is long, cable is long, all exists and leads Cause PCIE signal is weak, the probability of distorted signals.
Summary of the invention
Embodiments provide a kind of signal and strengthen plate, signal Enhancement Method and system, it is possible to be right PCIE signal carries out enhancement process.
A kind of signal strengthens plate, including:
PCIE signal interface unit, for receiving PCIE signal from outside mainboard;
Signal Pretreatment unit, for removing the PCIE signal that described PCIE signal interface unit receives In shake, reset output parameter by toggle switch, and the PCIE signal after processing be transferred to letter Number enhancement process unit;
Signal enhancement process unit, for strengthening the rising edge of PCIE signal and the amplitude of trailing edge and dropping The low PCIE signal amplitude of oscillation, the PCIE signal after processing is transferred to converting transmission unit;
Converting transmission unit, for the PCIE signal received is converted to SAS signal, then transmits To SAS signal interface unit;
SAS signal interface unit, for being sent to the hard disk backboard of outside by the SAS signal received.
Described signal enhancement process unit is further used for after performing the described reduction PCIE signal amplitude of oscillation, And before the PCIE signal after processing is transferred to described converting transmission unit, to predetermined spectral components The amplitude of PCIE signal give enhancement process.
After described Signal Pretreatment unit utilizes PCIE signal differential transfer mode to transmit described process PCIE signal.
Described PCIE signal interface unit includes:
Oneth PCIE interface subelement, is used for receiving PCIE RX signal;
2nd PCIE interface subelement, is used for receiving PCIE TX signal.
Described SAS signal interface unit includes:
Oneth SAS interface subelement, is used for receiving SAS RX signal;
2nd SAS interface subelement, is used for receiving SAS TX signal.
Described Signal Pretreatment unit, by measuring PCIE signal integrity, regulates toggle switch, checks The signal quality of eye pattern, determines and meets the described output parameter setting the PCIE signal required.
A kind of signal enhancement system, including:
Mainboard, hard disk backboard and any one signal above-mentioned strengthen plate;Wherein,
Described mainboard, the PCIE signal strengthening plate to described signal by the PCIE signal interface of self connects Mouth unit output PCIE signal;
Described hard disk backboard, is connected to described signal by cable and strengthens the SAS signal interface unit of plate.
Farther include: PCIE hard disk;
At least one PCIE hard disk described is connected to described hard disk backboard by 8639 interfaces.
A kind of method that signal strengthens, including:
PCIE signal is received from outside mainboard;
Remove the shake in described PCIE signal;
Output parameter is reseted by toggle switch;
Strengthen the rising edge of PCIE signal and the amplitude of trailing edge and reduce the PCIE signal amplitude of oscillation;
Current PCIE signal is converted to SAS signal;
SAS signal is sent to the hard disk backboard of outside.
Described reset output parameter by toggle switch and include:
Measure PCIE signal integrity;
Regulation toggle switch, and check the signal quality of eye pattern, determine and meet the PCIE setting requirement The described output parameter of signal.
The signal that the embodiment of the present invention provides strengthens plate, signal enhancement system and signal Enhancement Method, it is possible to Carry out a series of process that PCIE signal is strengthened, including: remove the shake in PCIE signal, pass through Toggle switch resets output parameter, and the rising edge of enhancing PCIE signal and the amplitude of trailing edge also reduce The PCIE signal amplitude of oscillation.Thus it is guaranteed that carry on the back PCIE signal is transferred to hard disk by SAS signaling interface Before plate, PCIE signal is carried out enhancement process, therefore, it is possible to minimizing PCIE signal is weak, letter The problem of number distortion.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below, Accompanying drawing in description is some embodiments of the present invention, for those of ordinary skill in the art, not On the premise of paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation that in one embodiment of the invention, signal strengthens plate.
Fig. 2 is the structural representation that in another embodiment of the present invention, signal strengthens plate.
Fig. 3 is the structural representation of signal enhancement system in one embodiment of the invention.
Fig. 4 is the flow chart of signal Enhancement Method in one embodiment of the invention.
Fig. 5 is the flow chart of signal Enhancement Method in another embodiment of the present invention.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with this Accompanying drawing in bright embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention, Obviously, described embodiment is a part of embodiment of the present invention rather than whole embodiments, based on Embodiment in the present invention, those of ordinary skill in the art are institute on the premise of not making creative work The every other embodiment obtained, broadly falls into the scope of protection of the invention.
One embodiment of the invention proposes a kind of signal and strengthens plate, sees Fig. 1, including:
PCIE signal interface unit 101, for receiving PCIE signal from outside mainboard;
Signal Pretreatment unit 102, for removing what described PCIE signal interface unit 101 received Shake in PCIE signal, resets output parameter by toggle switch, and the PCIE signal after processing It is transferred to signal enhancement process unit 103;
Signal enhancement process unit 103, is used for strengthening the amplitude of the rising edge of PCIE signal and trailing edge also Reducing the PCIE signal amplitude of oscillation, the PCIE signal after processing is transferred to converting transmission unit 104;
Converting transmission unit 104, for being converted to SAS signal by the PCIE signal received, then It is transferred to SAS signal interface unit 105;
SAS signal interface unit 105, for being sent to the hard disk back of the body of outside by the SAS signal received Plate.
The signal that the embodiment of the present invention provides strengthens plate, it is possible to carry out PCIE with each functional unit A series of process that signal strengthens, including: remove the shake in PCIE signal, by toggle switch weight If output parameter, the rising edge of enhancing PCIE signal and the amplitude of trailing edge also reduce the PCIE signal amplitude of oscillation. Thus it is guaranteed that before PCIE signal is transferred to hard disk backboard by SAS signaling interface, to PCIE Signal has carried out enhancement process, therefore, it is possible to minimizing PCIE signal is weak, the problem of distorted signals.
In an embodiment of the invention, in order to improve the effect that signal strengthens further, described signal increases Strong processing unit 103 is further used for after performing the described reduction PCIE signal amplitude of oscillation, and at Jiang Chu Before PCIE signal after reason is transferred to described converting transmission unit 104, the PCIE to predetermined spectral components The amplitude of signal gives enhancement process.
In the embodiment of the present invention, the amplitude of the PCIE signal of predetermined spectral components is given enhancement process, Can also be according to the needs of practical business, just for the PCIE signal of required i.e. predetermined spectral components Amplitude give enhancement process, so, then easily facilitate the transmission of signal.Signal transmission shows low Bandpass filter characteristic, in transmitting procedure, the radio-frequency component decay of signal is big, and low-frequency component decay is little.
In one embodiment of the invention, described Signal Pretreatment unit 102 utilizes PCIE signal difference to pass Defeated mode transmits the PCIE signal after described process.PCIE signal differential transfer mode is utilized to transmit described PCIE signal after process, it is possible to signal to noise ratio is greatly improved.
In an embodiment of the invention, seeing Fig. 2, described PCIE signal interface unit 101 includes:
Oneth PCIE interface subelement 201, is used for receiving PCIE RX signal;
2nd PCIE interface subelement 202, is used for receiving PCIE TX signal.
Described SAS signal interface unit 105 includes:
Oneth SAS interface subelement 203, is used for receiving SAS RX signal;
2nd SAS interface subelement 204, is used for receiving SAS TX signal.
By the structure shown in above-mentioned Fig. 2, signal enhancement unit can process PCIE RX signal and PCIE TX signal, and corresponding conversion is SAS RX signal and SAS TX signal respectively, improves practicality.
In an embodiment of the invention, described Signal Pretreatment unit 102 determines the realization of output parameter Mode may include that described Signal Pretreatment unit 102, by measuring PCIE signal integrity, regulates Toggle switch, checks the signal quality of eye pattern, determines the described of the satisfied PCIE signal setting and requiring Output parameter.
Determined by Signal Pretreatment unit 102 and meet the described output setting the PCIE signal required Parameter, it is possible to achieve reset output parameter, recompiling of complete pair signals, and then achieve signal Correct.
One embodiment of the invention also proposed a kind of signal enhancement system, sees Fig. 3, including:
Any one signal that mainboard 301, hard disk backboard 302 and the embodiment of the present invention propose strengthens plate 303;Wherein,
Described mainboard 301, strengthens the PCIE of plate 303 by the PCIE signal interface of self to described signal Signal interface unit output PCIE signal;
Described hard disk backboard 302, the SAS signal being connected to described signal enhancing plate 303 by cable is connect Mouth unit.
Visible, any one signal utilizing the embodiment of the present invention to propose strengthens plate, and coordinates mainboard with hard Dish backboard, it is possible to be transferred to hard disk backboard by SAS signal after the PCIE signal conversion ensureing mainboard While, also make signal strengthen, i.e. ensure that the signal being transferred to hard disk backboard is enhanced signal. This signal enhancement system avoids the problems such as distorted signals.
In an embodiment of the invention, the system that signal strengthens may further include: PCIE hard disk;
At least one PCIE hard disk described is connected to described hard disk backboard by 8639 interfaces.
In an embodiment of the invention, in the system that signal strengthens, mainboard 301 may include that place Manage the important electronic devices and components such as device, internal memory, managing chip;Signal strengthens plate 303 to be transmitted for signal During signal strengthen and correct;Hard disk backboard 302 is used for connecting hard disk.
One embodiment of the invention also proposed a kind of method that signal strengthens, be applied to be arranged at mainboard with Signal between hard disk backboard strengthens plate, sees Fig. 4, including:
401: receive PCIE signal from outside mainboard;
402: remove the shake in described PCIE signal;
403: reset output parameter by toggle switch;
404: the rising edge of enhancing PCIE signal and the amplitude of trailing edge also reduce the PCIE signal amplitude of oscillation;
405: current PCIE signal is converted to SAS signal;
406: SAS signal is sent to the hard disk backboard of outside.
The signal Enhancement Method of the embodiment of the present invention shown in above-mentioned Fig. 4 can carry out increasing PCIE signal Strong a series of process, including: remove the shake in PCIE signal, reset output by toggle switch Parameter, the rising edge of enhancing PCIE signal and the amplitude of trailing edge also reduce the PCIE signal amplitude of oscillation.Therefore, Ensure before PCIE signal is transferred to hard disk backboard by SAS signaling interface, to PCIE signal Carry out enhancement process, therefore, it is possible to minimizing PCIE signal is weak, the problem of distorted signals.
In an embodiment of the invention, above-mentioned steps 403 resets output parameter by toggle switch Implement and may include that measurement PCIE signal integrity;Regulation toggle switch, and check eye pattern Signal quality, determines and meets the described output parameter setting the PCIE signal required.
One embodiment of the invention proposes the method that another kind of signal strengthens, be applied to be arranged at mainboard with Signal between hard disk backboard strengthens plate, sees Fig. 5, including:
501: receive PCIE signal from outside mainboard;
502: remove randomness and deterministic shake in PCIE signal, eliminate intersymbol interference.
503: reset output parameter by toggle switch;
Implementing of this step 503 may include that by measuring signal integrity, regulates toggle switch, Use oscillograph to check the signal quality of eye pattern, determine defeated as PCIE signal of optimal signal parameter Go out parameter, thus strengthen and correct PCIE signal.
For above-mentioned steps 502 and 503, it is that PCIE signal is corrected the process recompiled.
Within 15inch is limited in for PCIE GEN3 track lengths, but in actual application, by , cabling long in path interference is compared with big or cable is long, and SI eye pattern will be made mistakes, and even system is looked for not To equipment, equipment is in operation and can make mistakes, loses.Signal is lossy in transmitting procedure, can reduce letter Number quality.For the high-frequency signal of often switching, attenuation ratio continuous print low frequency signal is more severe.Long company Continuous not time-varying code arrives higher level, needs the more time to get to threshold level when saltus step, causes Signal jitter.
Therefore, after the PCIE signal of mainboard output arrives PCIE signal enhancing plate, above-mentioned steps is passed through 502 and step 503 first remove randomness and deterministic shake in signal, eliminate intersymbol interference, Reseted the parameter of output jitter by toggle switch, the most then signal can be carried out correcting realization and again compile Code.
504: the radio-frequency component of enhancing signal, i.e. strengthen the rising edge of PCIE signal and the width of trailing edge Degree;
Here, the radio-frequency component of enhancing signal, to compensate the high fdrequency component excessive decay in transmitting procedure, I.e. enhancing signal rising edge and the amplitude of trailing edge, preferably compensates signal loss in transmitting procedure, Improve signal quality.
505: reduce the PCIE signal amplitude of oscillation;
The process that this step strengthens by reducing signal swing to accelerate, this can't increase crosstalk, EMI And power consumption.
506: the amplitude of the PCIE signal of predetermined spectral components is given enhancement process.
This step is the transmission for the ease of signal, is strengthened the amplitude of some spectrum component in advance Measure.Signal transmission shows low-pass filter characteristic, the radio-frequency component decay of signal in transmitting procedure Greatly, low-frequency component decay is little.
507: the PCIE signal after utilizing PCIE signal differential transfer mode to transmit described process.
This step enables to signal to noise ratio and is greatly improved.
508: current PCIE signal is converted to SAS signal;
509: SAS signal is sent to the hard disk backboard of outside.
Each embodiment of the present invention at least has a following beneficial effect:
1, a series of process that PCIE signal is strengthened can be carried out, including: remove in PCIE signal Shake, reset output parameter by toggle switch, strengthen the rising edge of PCIE signal and trailing edge Amplitude also reduces the PCIE signal amplitude of oscillation.Thus it is guaranteed that PCIE signal is being passed through SAS signaling interface Before being transferred to hard disk backboard, PCIE signal is carried out enhancement process, therefore, it is possible to reduce PCIE Signal is weak, the problem of distorted signals.
2, in the embodiment of the present invention, after the PCIE signal of mainboard output arrives PCIE signal enhancing plate, Randomness and deterministic shake in signal can be removed, eliminate intersymbol interference, pass through toggle switch Reset the parameter of output jitter, the most then signal can be carried out correcting realization and recompile.
3, in the embodiment of the present invention, the radio-frequency component of enhancing signal, to compensate high fdrequency component in transmitting procedure In excessive decay, i.e. enhancing signal rising edge and the amplitude of trailing edge, preferably compensate signal in transmission During loss, improve signal quality.
4, in the embodiment of the present invention, for the ease of the transmission of signal, to the amplitude of some spectrum component in advance The measure strengthened.Signal transmission shows low-pass filter characteristic, the height of signal in transmitting procedure Frequently composition decay is big, and low-frequency component decay is little.
It should be noted that in this article, the relational terms of such as first and second etc be used merely to by One entity or operation separate with another entity or operating space, and not necessarily require or imply this Relation or the order of any this reality is there is between a little entities or operation.And, term " includes ", " bag Contain " or its any other variant be intended to comprising of nonexcludability, so that include a series of key element Process, method, article or equipment not only include those key elements, but also include being not expressly set out Other key elements, or also include the key element intrinsic for this process, method, article or equipment. In the case of there is no more restriction, statement the key element " including " and limiting, it is not excluded that Including process, method, article or the equipment of described key element there is also other same factor.
One of ordinary skill in the art will appreciate that: realize all or part of step of said method embodiment Can be completed by the hardware that programmed instruction is relevant, aforesaid program can be stored in embodied on computer readable Storage medium in, this program upon execution, performs to include the step of said method embodiment;And it is aforementioned Storage medium include: various Jie that can store program code such as ROM, RAM, magnetic disc or CD In matter.
Last it should be understood that the foregoing is only presently preferred embodiments of the present invention, it is merely to illustrate this The technical scheme of invention, is not intended to limit protection scope of the present invention.All spirit in the present invention and former Any modification, equivalent substitution and improvement etc. done within then, are all contained in protection scope of the present invention.

Claims (10)

1. a signal strengthens plate, it is characterised in that including:
PCIE signal interface unit, for receiving PCIE signal from outside mainboard;
Signal Pretreatment unit, for removing the PCIE signal that described PCIE signal interface unit receives In shake, reset output parameter by toggle switch, and the PCIE signal after processing be transferred to letter Number enhancement process unit;
Signal enhancement process unit, for strengthening the rising edge of PCIE signal and the amplitude of trailing edge and dropping The low PCIE signal amplitude of oscillation, the PCIE signal after processing is transferred to converting transmission unit;
Converting transmission unit, for the PCIE signal received is converted to SAS signal, then transmits To SAS signal interface unit;
SAS signal interface unit, for being sent to the hard disk backboard of outside by the SAS signal received.
Signal the most according to claim 1 strengthens plate, it is characterised in that described signal enhancement process Unit is further used for after performing the described reduction PCIE signal amplitude of oscillation, and the PCIE after processing Before signal is transferred to described signal enhancement process unit, the width to the PCIE signal of predetermined spectral components Value gives enhancement process.
Signal the most according to claim 1 strengthens plate, it is characterised in that described Signal Pretreatment list Unit utilize PCIE signal differential transfer mode to transmit described process after PCIE signal.
Signal the most according to claim 1 strengthens plate, it is characterised in that described PCIE signal connects Mouth unit includes:
Oneth PCIE interface subelement, is used for receiving PCIE RX signal;
2nd PCIE interface subelement, is used for receiving PCIE TX signal.
Signal the most according to claim 4 strengthens plate, it is characterised in that described SAS signal connects Mouth unit includes:
Oneth SAS interface subelement, is used for receiving SAS RX signal;
2nd SAS interface subelement, is used for receiving SAS TX signal.
6. strengthen plate according to described signal arbitrary in claim 1 to 5, it is characterised in that described letter Number pretreatment unit, by measuring PCIE signal integrity, regulates toggle switch, checks the signal of eye pattern Quality, determines and meets the described output parameter setting the PCIE signal required.
7. a signal enhancement system, it is characterised in that including:
Mainboard, hard disk backboard and the signal as described in arbitrary in claim 1 to 6 strengthen plate;Its In,
Described mainboard, the PCIE signal strengthening plate to described signal by the PCIE signal interface of self connects Mouth unit output PCIE signal;
Described hard disk backboard, is connected to described signal by cable and strengthens the SAS signal interface unit of plate.
Signal enhancement system the most according to claim 7, it is characterised in that farther include: PCIE hard disk;
At least one PCIE hard disk described is connected to described hard disk backboard by 8639 interfaces.
9. the method that a signal strengthens, it is characterised in that including:
PCIE signal is received from outside mainboard;
Remove the shake in described PCIE signal;
Output parameter is reseted by toggle switch;
Strengthen the rising edge of PCIE signal and the amplitude of trailing edge and reduce the PCIE signal amplitude of oscillation;
Current PCIE signal is converted to SAS signal;
SAS signal is sent to the hard disk backboard of outside.
Method the most according to claim 9, it is characterised in that described reseted by toggle switch Output parameter includes:
Measure PCIE signal integrity;
Regulation toggle switch, and check the signal quality of eye pattern, determine and meet the PCIE setting requirement The described output parameter of signal.
CN201610305191.1A 2016-05-09 2016-05-09 Signal enhancing board as well as signal enhancing method and system Pending CN106021151A (en)

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PCT/CN2017/075913 WO2017193683A1 (en) 2016-05-09 2017-03-08 Signal enhancement board, and signal enhancement method and system

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CN108874712A (en) * 2018-05-30 2018-11-23 郑州云海信息技术有限公司 A kind of PCIE Riser card and hard disk VPP ignition device
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CN113722255A (en) * 2021-09-01 2021-11-30 浙江大华技术股份有限公司 Signal quality processing method, device and system

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