CN105868153A - PCI-E extension mode based on ATCA bus - Google Patents
PCI-E extension mode based on ATCA bus Download PDFInfo
- Publication number
- CN105868153A CN105868153A CN201610191021.5A CN201610191021A CN105868153A CN 105868153 A CN105868153 A CN 105868153A CN 201610191021 A CN201610191021 A CN 201610191021A CN 105868153 A CN105868153 A CN 105868153A
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- CN
- China
- Prior art keywords
- pci
- signal
- atca
- extension
- road
- Prior art date
- 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.)
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Classifications
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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
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4204—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus
- G06F13/4221—Bus 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
Abstract
The invention discloses a PCI-E extension mode based on an ATCA bus, and belongs to the field of servers. A PCI-E X8 signal is extended into a PCI-E X4 signal and two PCI-E X8 signals through a PCI-E extended chip, the extended PCI-E signals are connected to a PCI-E X4 connector and a PCI-E X8 connector of an RTM board through ATCA connectors respectively, and a PCI-E buffer is added between the ATCA connectors and a PCI-E slot so as to prevent signal attenuation. On the basis of a server platform of the ATCA architecture, PCI-E extension design is completed, the requirement for equipment extension is met, and the signal quality is also ensured.
Description
Technical field
The present invention relates to server field, a kind of PCI-E extended mode based on ATCA bus.
Background technology
PCI-E interface is widely used in commercial desktop computer, in notebook and server.In PC applies, PCI-E is significantly
Reduce PCI-E exchange chip and the cost of PCI-E ancillary equipment.Especially PCI-E is transplanted to digital signal processor module
In, it being deployed in military and aviation field Application Design, prospect is the most considerable.
At present, the multi-unit server of ATCA framework pats because of its high reliability and high speed processing speed at military information
Being used widely in platform, user can carry out signal definition according to oneself demand to ZONE3 region, it is achieved PCI-E extends.Due to
PCI-E design itself interconnects for cabinet inside short distance, then its signal integrity long that cable does is difficult to ensure that.
Summary of the invention
The technical assignment of the present invention is for above weak point, it is provided that a kind of PCI-E extension side based on ATCA bus
Formula, on the basis of the server platform of ATCA framework, completes a kind of PCI-E extension design, had both met device extension needs, again
Ensure signal quality.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of PCI-E extended mode based on ATCA bus, by PCI-E extended chip by a road PCI-E X8 signal extension be
One road PCI-E X4 signal and two-way PCI-E X8 signal, connected by ATCA adapter respectively by the PCI-E signal after extension
To PCI-E X4 adapter and the PCI-E X8 adapter of RTM plate, between ATCA adapter and PCI-E slot, increase PCI-E
Buffer is in case stop signal is decayed.
Further, mainboard district adapter can be inserted directly into the RTM connector for substrate matched therewith rather than be turned by backboard
Connect, i.e. PCI-E extension signal is connected to RTM plate at ATCA backboard through zone3 district.
Further, a road PCI-E X4 signal extension of the north bridge chips RS780E on mainboard is 82574 network signals,
Two-way PCI-E X4 signal extension is two-way 82576 signal, and a road PCI-E X1 signal is connected to mini PCI-E card, a road
PCI-E X8 signal is connected to PCI-E extended chip PEX 8632；Two groups of PCI-E X4 signals and two are exported through PEX 8632
Group PCI-E X8 signal, a road PCI-E X4 signal is connected to the PCI-E X4 slot of mainboard, an other road PCI-E X4 signal
And two-way PCI-E X8 signal is through the PCI-E slot of ATCA adapter to RTM plate, carries out the expansion of PCI-E network interface card and sonet card etc.
Exhibition.
Compared to the prior art a kind of based on ATCA bus the PCI-E extended mode of the present invention, has the beneficial effects that:
The present invention, on the basis of the server platform of ATCA framework, completes a kind of PCI-E extension design, had both met equipment and expanded
Exhibition needs, and in turn ensure that signal quality；
The present invention designs a kind of PCI-E expansion method based on ATCA bus, is applied to the domestic server of information system
Platform, it is achieved its PCI-E extends demand.
Accompanying drawing explanation
The present invention is further described below in conjunction with the accompanying drawings.
Accompanying drawing 1 is PCI-E expansion system block diagram based on ATCA bus.
Detailed description of the invention
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
A kind of based on ATCA bus the PCI-E extended mode of the present invention, its structure includes
A kind of PCI-E extended mode based on ATCA bus, by PCI-E extended chip by a road PCI-E X8 signal extension be
One road PCI-E X4 signal and two-way PCI-E X8 signal, connected by ATCA adapter respectively by the PCI-E signal after extension
To PCI-E X4 adapter and the PCI-E X8 adapter of RTM plate, between ATCA adapter and PCI-E slot, increase PCI-E
Buffer is in case stop signal is decayed.
Further, mainboard district adapter can be inserted directly into the RTM connector for substrate matched therewith rather than be turned by backboard
Connect, i.e. PCI-E extension signal is connected to RTM plate at ATCA backboard through zone3 district.
Further, a road PCI-E X4 signal extension of the north bridge chips RS780E on mainboard is 82574 network signals,
Two-way PCI-E X4 signal extension is two-way 82576 signal, and a road PCI-E X1 signal is connected to mini PCI-E card, a road
PCI-E X8 signal is connected to PCI-E extended chip PEX 8632；Two groups of PCI-E X4 signals and two are exported through PEX 8632
Group PCI-E X8 signal, a road PCI-E X4 signal is connected to the PCI-E X4 slot of mainboard, an other road PCI-E X4 signal
And two-way PCI-E X8 signal is through the PCI-E slot of ATCA adapter to RTM plate, carries out the expansion of PCI-E network interface card and sonet card etc.
Exhibition.
The present invention, on the basis of the server platform of ATCA framework, completes a kind of PCI-E extension design, had both met and set
Standby extension needs, and in turn ensure that signal quality.
By detailed description of the invention above, described those skilled in the art can readily realize the present invention.But should
Working as understanding, the present invention is not limited to above-mentioned detailed description of the invention.On the basis of disclosed embodiment, described technical field
Technical staff can the different technical characteristic of combination in any, thus realize different technical schemes.
In addition to the technical characteristic described in description, it is the known technology of those skilled in the art.
Claims (3)
1. a PCI-E extended mode based on ATCA bus, it is characterised in that by PCI-E extended chip by a road PCI-E
X8 signal extension is a road PCI-E X4 signal and two-way PCI-E X8 signal, by the PCI-E signal after extension by ATCA even
Connect device and be respectively connecting to PCI-E X4 adapter and the PCI-E X8 adapter of RTM plate, ATCA adapter and PCI-E slot it
Between increase PCI-E buffer in case stop signal decay.
A kind of PCI-E extended mode based on ATCA bus the most according to claim 1, it is characterised in that mainboard district connects
Device can be inserted directly into the RTM connector for substrate matched therewith rather than be transferred by backboard, i.e. PCI-E extension signal is carried on the back at ATCA
Plate is connected to RTM plate through zone3 district.
A kind of PCI-E extended mode based on ATCA bus the most according to claim 1, it is characterised in that the north on mainboard
The one road PCI-E X4 signal extension of bridge chip RS780E is 82574 network signals, and two-way PCI-E X4 signal extension is two-way
82576 signals, a road PCI-E X1 signal is connected to mini PCI-E card, and a road PCI-E X8 signal is connected to PCI-E extension
Chip PEX 8632；Two groups of PCI-E X4 signals and two groups of PCI-E X8 signals, a road PCI-E X4 is exported through PEX 8632
Signal is connected to the PCI-E X4 slot of mainboard, an other road PCI-E X4 signal and two-way PCI-E X8 signal and connects through ATCA
Device, to the PCI-E slot of RTM plate, carries out the extension of PCI-E network interface card and sonet card etc..
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610191021.5A CN105868153A (en) | 2016-03-30 | 2016-03-30 | PCI-E extension mode based on ATCA bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610191021.5A CN105868153A (en) | 2016-03-30 | 2016-03-30 | PCI-E extension mode based on ATCA bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105868153A true CN105868153A (en) | 2016-08-17 |
Family
ID=56626481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610191021.5A Pending CN105868153A (en) | 2016-03-30 | 2016-03-30 | PCI-E extension mode based on ATCA bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105868153A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108984452A (en) * | 2018-07-06 | 2018-12-11 | 郑州云海信息技术有限公司 | A kind of GPU server and its expansion system |
| CN110990326A (en) * | 2019-11-14 | 2020-04-10 | 北京海晟时代科技有限公司 | High-speed PCI Express switching drive unit for ATCA framework |
-
2016
- 2016-03-30 CN CN201610191021.5A patent/CN105868153A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108984452A (en) * | 2018-07-06 | 2018-12-11 | 郑州云海信息技术有限公司 | A kind of GPU server and its expansion system |
| CN110990326A (en) * | 2019-11-14 | 2020-04-10 | 北京海晟时代科技有限公司 | High-speed PCI Express switching drive unit for ATCA framework |
| CN110990326B (en) * | 2019-11-14 | 2021-06-04 | 海晟时代科技集团有限公司 | High-speed PCI Express switching drive unit for ATCA framework |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160817 |
|
| WD01 | Invention patent application deemed withdrawn after publication |