CN202127417U - Integrated network card under Loongson CPU (central processing unit) platform - Google Patents
Integrated network card under Loongson CPU (central processing unit) platform Download PDFInfo
- Publication number
- CN202127417U CN202127417U CN2011202592814U CN201120259281U CN202127417U CN 202127417 U CN202127417 U CN 202127417U CN 2011202592814 U CN2011202592814 U CN 2011202592814U CN 201120259281 U CN201120259281 U CN 201120259281U CN 202127417 U CN202127417 U CN 202127417U
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- network card
- platform
- chip
- integrated network
- backboard
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Abstract
The utility model provides an integrated network card under a Loongson CPU (central processing unit) platform, which comprises a network card chip, wherein the network card chip is connected with a north bridge chip of a Loongson CPU mainboard through a PCIE (peripheral component interconnect-express) 4* bus and connected with a backboard through a SerDes (serializer/desrializer) interface. The integrated network card can successfully realize the function of the network card on the Loongson CPU platform and simultaneously realize the serdes network exchange function of the backboard.
Description
Technical field
The utility model relates to the mainboard integrated network card, specifically, relates to the integrated network card under a kind of Godson CPU platform.
Background technology
On present market, the mainboard that all is based on the X86 framework that everybody is seen.That also be that CPU selects for use in other words is Intel or the AMD that follows the X86 framework; And the network interface card application also all is based on the X86CPU platform; And for our processor of MIPS framework; Network interface card on the market can not support well that therefore selecting which type of network interface card on MIPS framework CPU platform, just to use becomes a problem.
The utility model content
For this reason, we combine BCM5709S with the Godson platform, have realized the network interface card on the Godson platform.
Integrated network card under a kind of Godson CPU platform comprises network card chip; Said network card chip is wanted to be connected with the north bridge chips of Godson cpu motherboard through PCIE 4x bus, is connected with backboard through the SerDes interface.
Preferably, said network card chip adopts BCM5709S.
Preferably, said network card chip is connected with backboard through two SerDes interfaces.
Preferably, the configuring chip EEPROM of said network interface card is welded on the mainboard behind the intact configuration information of first burning again.
The utility model has successfully been realized the network interface card function on the Godson CPU platform, has realized backboard serdes network exchange function simultaneously.
Description of drawings
Fig. 1 is the utility model structural representation
Embodiment
BCM5709S is the PHY of a PCIE X4 interface, and the network interface that goes out has two GE SerDes and Medium Dependent Interface, BCM5709S is received on the PCIE X4 of system.
Select the network interface of BCM5709S according to the demand of real network interface; SerDes (this is also by the decision of backplane network framework) is selected in general backboard exchange; Be generally used on the backboard all is to select the serdes signal; Design based on SERDES has increased bandwidth, has reduced number of signals, brought simultaneously such as reduce the wiring conflict, reduce switching noise, many benefits such as lower power consumption and packaging cost.
The programming of firmware: firmware generally leaves among the EEPROM who is connected with hardware chip as giving basic initialization of hardware device, after this hardware chip electrification reset is accomplished; Can from EEPROM, read firmware and come this chip is done a basic initialization, under traditional X86 platform, can directly on the mainboard that has the BCM5709S network interface card, move the dos environment; Direct operation dos application software down in EEPROM, and is the MIPS framework because of Godson CPU with the programming of firmware file; The dos environment can't move on the Godson platform, therefore must take other mode programmings firmware, can take to use the mode of fever writes at line writing firmware in addition; But owing to the mode at line writing, the MAC of each BCM5709S is become equally by programming, therefore; This mode is inadvisable, and the way of solution is: before the mainboard of welding BCM5709S, earlier with the firmware programming of needs in EEPROM; Be welded to mainboard together with other materials and parts of mainboard then and get on, the mode that adopted afterwards is to use the BCM5709S chip design to produce the network interface card of several PCIE interfaces, adds a stand above and is used for plugging EERPROM; EEPROM is put into stand gets on, then network interface card is inserted into the X86 mainboard and gets on, operation dos program; With the firmware programming in EEPROM; Then EEPROM is extracted, be welded on the Godson mainboard and get final product, thereby solved the problem of programming firmware on the Godson mainboard.
Claims (4)
1. the integrated network card under the Godson CPU platform is characterized in that: comprise network card chip; Said network card chip is wanted to be connected with the north bridge chips of Godson cpu motherboard through PCIE 4x bus, is connected with backboard through the SerDes interface.
2. integrated network card as claimed in claim 1 is characterized in that: said network card chip adopts BCM5709S.
3. integrated network card as claimed in claim 1 is characterized in that: said network card chip is connected with backboard through two SerDes interfaces.
4. integrated network card as claimed in claim 1 is characterized in that: the configuring chip EEPROM of said network interface card is welded on the mainboard behind the intact configuration information of first burning again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202592814U CN202127417U (en) | 2011-07-21 | 2011-07-21 | Integrated network card under Loongson CPU (central processing unit) platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202592814U CN202127417U (en) | 2011-07-21 | 2011-07-21 | Integrated network card under Loongson CPU (central processing unit) platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202127417U true CN202127417U (en) | 2012-01-25 |
Family
ID=45490477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202592814U Expired - Lifetime CN202127417U (en) | 2011-07-21 | 2011-07-21 | Integrated network card under Loongson CPU (central processing unit) platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202127417U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103516634A (en) * | 2013-09-24 | 2014-01-15 | 无锡柏瑞科技有限公司 | Interchanger with firewall function |
-
2011
- 2011-07-21 CN CN2011202592814U patent/CN202127417U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103516634A (en) * | 2013-09-24 | 2014-01-15 | 无锡柏瑞科技有限公司 | Interchanger with firewall function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120125 |
|
| CX01 | Expiry of patent term |