CN107612606A - A kind of PCIe X16 connectors turn the Riser cards and conversion method of Oculink connectors - Google Patents
A kind of PCIe X16 connectors turn the Riser cards and conversion method of Oculink connectors Download PDFInfo
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- CN107612606A CN107612606A CN201710901485.5A CN201710901485A CN107612606A CN 107612606 A CN107612606 A CN 107612606A CN 201710901485 A CN201710901485 A CN 201710901485A CN 107612606 A CN107612606 A CN 107612606A
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Abstract
A kind of PCIe X16 connectors turn the Riser cards of Oculink connectors, for connecting the Oculink connectors of PCIe X16 connectors and IO BOX casees;Including a PCIE X16 standard golden finger, for being connected with the PCIE X16 connectors on mainboard;With two Oculink connectors, be connected by Oculink cables with the Oculink connectors of IO BOX casees;With four signal repeaters, for PCIE X16 standards golden fingers and two Oculink connectors to be connected;With memory, for storing the configuration parameter of signal repeater.Also include the conversion method that a kind of PCIe X16 connectors turn Oculink connectors.AN connector is set between mainboard and I/O device, solve the problems, such as signal communication and due between mainboard and I/O device communication line length caused by high-frequency signal loss it is serious the problem of.
Description
Technical field
The present invention relates to mainboard and I/O device connection standard technical field, specifically a kind of PCIe X16 connectors
Turn the Riser cards and conversion method of Oculink connectors.
Background technology
The generalization of mainboard has become a kind of development trend, and the signal connector that mainboard is drawn to outside increasingly tends to
In standardization and generalization.
In server design, PCIE X16 AN connectors are the most common connectors of mainboard.Simultaneously as I/O device
More and more diversified, the connector on I/O device is also increasingly intended to variation, and Oculink connectors are exactly wherein important
It is a kind of.
Because the cabling between mainboard and I/O device is very long, high-frequency signal loss is serious.
The content of the invention
It is an object of the invention to provide Riser cards and the conversion that a kind of PCIe X16 connectors turn Oculink connectors
Method, for solving the problems, such as that the connector of mainboard and I/O device is not general and high-frequency signal loss is more.
Present aspect solves its technical problem and adopted the technical scheme that:
A kind of PCIe X16 connectors turn the Riser cards of Oculink connectors, for connecting PCIe X16 connectors and IO
The Oculink connectors of BOX casees;Including a PCIE X16 standard golden finger, for the PCIE X16 connectors on mainboard
Connection;With,
Two Oculink connectors, it is connected by Oculink cables with the Oculink connectors of IO BOX casees;With,
Four signal repeaters, for PCIE X16 standards golden fingers and two Oculink connectors to be connected;With,
Memory, for storing the configuration parameter of signal repeater.
Further, two Oculink connectors in Riser cards include OculinkA and OculinkB;Described
OculinkA is used to transmit data-signal and control signal, and described OculinkB is used to transmit data-signal.
Further, OculinkA is connected with four signal repeaters, and OculinkB is connected with four signal repeaters;Two
The signal that individual signal repeater is integrated is:Mainboard CPU PCIE TX signals, the signal that two other signal repeater is integrated are:
The PCIE RX signals of IO BOX casees.
Further, the configuration parameter of four signal repeaters is identical;Configuration parameter includes the equilibrium value EQ of passage, output
Amplitude VOD, RX detection RX_DEC.
Further, memory stores the configuration parameter of signal repeater by header.
Further, memory includes EEPROM.
Further, the configuration parameter in signal repeater load store device uses external.
A kind of PCIe X16 connectors turn the conversion method of Oculink connectors, using described Riser cards, specific bag
Include following methods:
Two signal repeaters integrate the PCIE TX signals from mainboard CPU;
Signal after integration is sent to the Oculink connectors of IO BOX casees by OculinkA and OculinkB;
Two other signal repeater integrates the PCIE RX signals from IO BOX casees;
Signal after integration is sent to PCIE X16 connectors by PCIE X16 standard golden fingers.
Further, also the configuration including the signal repeater of load store in memory is joined before the above method
Number, is specifically included:
The ALL_DONE_L signals of first signal repeater are transmitted to the READ_EN_L ends of second signal repeater, the
The ALL_DONE_L signals of two signal repeaters are transmitted to the READ_EN_L ends of the 3rd signal repeater, until in 4 signals
After device whole loaded.
What the above content of the invention provided is only the statement of the embodiment of the present invention, rather than invention is in itself.
The effect provided in the content of the invention is only the effect of embodiment, rather than whole effects that invention is all, above-mentioned
A technical scheme in technical scheme has the following advantages that or beneficial effect:
It is general logical between mainboard and I/O device to realize there is provided PCIE X16 standards golden fingers and Oculink connectors
Letter.Signal repeater is also added in the present invention and carrys out thermal compensation signal loss, the actual digital signal of transmission is constantly adjusted increasing
Benefit, the random change of adaptive channel, makes balanced device always be to maintain optimal state, there is more preferable distortion compensation performance, so that
PCIE each passage all keeps good signal integrity, solves because communication line length causes between mainboard and I/O device
High-frequency signal loss it is serious the problem of.
Brief description of the drawings
Accompanying drawing described herein is used for providing that the present invention is explained further, and forms the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structure connection diagram of the embodiment of the present invention;
Fig. 2 is the external structural representation of the embodiment of the present invention;
Fig. 3 is that the signal of the embodiment of the present invention moves towards schematic diagram.
Embodiment
In order to the technical characterstic of clear explanation this programme, below by embodiment, and its accompanying drawing is combined, to this
Invention is described in detail.Following disclosure provides many different embodiments or example is used for realizing the different knots of the present invention
Structure.In order to simplify disclosure of the invention, hereinafter the part and setting of specific examples are described.In addition, the present invention can be with
Repeat reference numerals and/or letter in different examples.This repetition is that for purposes of simplicity and clarity, itself is not indicated
Relation between various embodiments are discussed and/or set.It should be noted that part illustrated in the accompanying drawings is not necessarily to scale
Draw.Present invention omits the description to known assemblies and treatment technology and process to avoid being unnecessarily limiting the present invention.
As shown in figure 1, a kind of PCIe X16 connectors turn the Riser cards of Oculink connectors, for connecting PCIe X16
The Oculink connectors of connector and IO BOX casees, including a PCIE X16 standard golden finger, for the PCIE on mainboard
X16 connectors connect;With two Oculink connectors, pass through the Oculink connector phases of Oculink cables and IO BOX casees
Even;With four signal repeaters, for PCIE X16 standards golden fingers and two Oculink connectors to be connected;With storage
Device, for storing the configuration parameter of signal repeater.
Two Oculink connectors in Riser cards include OculinkA and OculinkB;OculinkA is used to transmit number
It is believed that number and control signal, OculinkB be used for transmit data-signal.
OculinkA is connected with four signal repeaters, and OculinkB is connected with four signal repeaters;In two signals
It is after the signal that device is integrated:Mainboard CPU PCIE TX signals, the signal that two other signal repeater is integrated are:IO BOX casees
PCIE RX signals.
The configuration parameter of four signal repeaters is identical;Configuration parameter includes but is not limited to the equilibrium value EQ of passage, output
Amplitude VOD, RX detection RX_DEC.
Memory stores the configuration parameter of signal repeater by header.Memory includes EEPROM.
As shown in Fig. 2 the configuration parameter in signal repeater load store device uses external.Indicator lamp is bright, represents
Configuration parameter loading is completed, and after the completion of loading, signal repeater could carry out signal compensation, reduce the loss of high-frequency signal.
A kind of PCIe X16 connectors turn the conversion method of Oculink connectors, and Fig. 3 shows that signal moves towards figure, specifically
Including following methods:
The configuration parameter of the signal repeater of load store in memory;
Two signal repeaters integrate the PCIE TX signals from mainboard CPU;
Signal after integration is sent to the Oculink connectors of IO BOX casees by OculinkA and OculinkB;
Two other signal repeater integrates the PCIE RX signals from IO BOX casees;
Signal after integration is sent to PCIE X16 connectors by PCIE X16 standard golden fingers.
The method of loading configuration parameter specifically includes:The ALL_DONE_L signals of first signal repeater are transmitted to second
The READ_EN_L ends of signal repeater, the ALL_DONE_L signals of second signal repeater are transmitted to the 3rd signal repeater
READ_EN_L ends, until 4 signal repeater whole loadeds.
Signal repeater can make the continuous adjust gain of the actual digital signal of transmission, the random change of adaptive channel, make
Balanced device is always to maintain optimal state, there is more preferable distortion compensation performance, so that PCIE each passage all keeps good
Signal integrity.
Simply the preferred embodiment of the present invention described above, for those skilled in the art,
Without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also regarded as this hair
Bright protection domain.
Claims (9)
1. a kind of PCIe X16 connectors turn the Riser cards of Oculink connectors, for connecting PCIe X16 connectors and IO
The Oculink connectors of BOX casees;It is characterized in that including a PCIE X16 standard golden finger, for the PCIE on mainboard
X16 connectors connect;With,
Two Oculink connectors, it is connected by Oculink cables with the Oculink connectors of IO BOX casees;With,
Four signal repeaters, for PCIE X16 standards golden fingers and two Oculink connectors to be connected;With,
Memory, for storing the configuration parameter of signal repeater.
2. Riser cards according to claim 1, it is characterized in that, two Oculink connectors in Riser cards include
OculinkA and OculinkB;Described OculinkA is used to transmit data-signal and control signal, and described OculinkB is used
In transmission data-signal.
3. Riser cards according to claim 2, it is characterized in that, OculinkA is connected with four signal repeaters,
OculinkB is connected with four signal repeaters;The signal that two signal repeaters are integrated is:Mainboard CPU PCIE TX signals,
Two other signal repeater integrate signal be:The PCIE RX signals of IO BOX casees.
4. Riser cards according to claim 1, it is characterized in that, the configuration parameter of four signal repeaters is identical;Configuration ginseng
Number includes the equilibrium value EQ of passage, output amplitude VOD, RX detection RX_DEC.
5. Riser cards according to claim 4, it is characterized in that, memory stores matching somebody with somebody for signal repeater by header
Put parameter.
6. Riser cards according to claim 5, it is characterized in that, memory includes EEPROM.
7. it is according to claim 6, it is characterized in that, the configuration parameter in signal repeater load store device uses daisy chain
Type.
8. a kind of PCIe X16 connectors turn the conversion method of Oculink connectors, claim 1 to 7 any one institute is utilized
The Riser cards stated, it is characterized in that, specifically include following methods:
Two signal repeaters integrate the PCIE TX signals from mainboard CPU;
Signal after integration is sent to the Oculink connectors of IO BOX casees by OculinkA and OculinkB;
Two other signal repeater integrates the PCIE RX signals from IO BOX casees;
Signal after integration is sent to PCIE X16 connectors by PCIE X16 standard golden fingers.
9. according to the method for claim 1, it is characterized in that, also include load store in memory before the above method
Signal repeater configuration parameter, specifically include:
The ALL_DONE_L signals of first signal repeater are transmitted to the READ_EN_L ends of second signal repeater, second
The ALL_DONE_L signals of signal repeater are transmitted to the READ_EN_L ends of the 3rd signal repeater, until 4 signal repeaters
Whole loadeds.
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CN108763771A (en) * | 2018-05-30 | 2018-11-06 | 郑州云海信息技术有限公司 | A kind of PCIe link performance optimization method and system |
CN109271177A (en) * | 2018-08-21 | 2019-01-25 | 郑州云海信息技术有限公司 | A kind of method and system of automatic load PCIE Switch products configuration parameter |
CN113032317A (en) * | 2021-03-30 | 2021-06-25 | 北京睿芯高通量科技有限公司 | Method and device for PCIE (peripheral component interface express) signal expansion based on server |
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