PCI-EX ±Ô°Ý°ú ´ë¿ªÆø

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아래의 글들을 읽다가 문듯 생각나서 올려봅니다

 

PCI-EX 1.0과 2.0의 대역폭이 두배 차이가 난다고 알고 있는데요.

이 경우에 별다른 제약은 없는지 궁금하네요

 

예를 들어서

 

PCI-EX 1.0 16배속 슬롯에 PCI-EX 2.0 8배속 카드를 꽂는 경우

PCI-EX 2.0 8배속 슬롯에 PCI-EX 1.0 16배속 카드를 꽂는 경우

(물리적인 크기는 일단 장착가능한걸로 가정. 16슬롯 속도가 8배속인 경우는 많으니까요)

 

두 경우 둘다 최대 속도를 내어주는지?

만약 그렇다면 사람 헷갈리게 2.0이라는 표현대신 걍 32배속이라고 하면 될텐데 말이죠.

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¾Æ·¡ °Íµµ ¼Óµµ´Â 1.0 8¹è¼ÓÀÔ´Ï´Ù.

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PCI-EX 1.0 16¹è¼Ó ½½·Ô¿¡ PCI-EX 2.0 8¹è¼Ó Ä«µå¸¦ ²È´Â °æ¿ì
=> PCI-E 1.0 8¹è¼ÓÀ¸·Î µ¿ÀÛÇÕ´Ï´Ù.

PCI-EX 2.0 8¹è¼Ó ½½·Ô¿¡ PCI-EX 1.0 16¹è¼Ó Ä«µå¸¦ ²È´Â °æ¿ì
=> ¿ª½Ã PCI-E 1.0 8¹è¼ÓÀ¸·Î µ¿ÀÛÇÕ´Ï´Ù.

Àß ¾Æ½Ã°ÚÁö¸¸ PCI-E 1.0°ú 2.0ÀÇ Â÷ÀÌ´Â µ¿ÀÛ Å¬·°ÀÔ´Ï´Ù. (2.5GHz / 5GHz)

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(¹°·Ð ÀÌ °æ¿ì 8¹è¼ÓÀ̳ª 4¹è¼ÓÀ¸·Î µ¿ÀÛÇÏ°Ô µË´Ï´Ù. ȸ·Î°¡ ¿¬°áµÇÁö ¾Ê±â ¶§¹®...)

µû¶ó¼­ È®ÀåÄ«µå¿Í ¸¶´õº¸µå°¡ ¸ðµÎ Áö¿øÀ» ÇØÁà¾ß 2.0 ±Ô°ÝÀ¸·Î µ¿ÀÛÇÒ ¼ö ÀÖÀ¸¸ç, µÑ Áß Çϳª°¡ ¸¸Á·ÇÏÁö ¸øÇÏ´Â °æ¿ì¶ó¸é ÇÏÀ§ ±Ô°ÝÀ¸·Î µ¿ÀÛÇÕ´Ï´Ù.

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PCI Express 2.0PCI-SIG announced the availability of the PCI Express Base 2.0 specification on 15 January 2007.[10] The PCIe 2.0 standard doubles the per-lane throughput from the PCIe 1.0 standard's 250 MB/s to 500 MB/s. This means a 32-lane PCI connector (x32) can support throughput up to 16 GB/s aggregate. The PCIe 2.0 standard uses a base clock speed of 5.0 GHz, while the first version operates at 2.5 GHz.

PCIe 2.0 motherboard slots are fully backward compatible with PCIe v1.x cards. PCIe 2.0 cards are also generally backward compatible with PCIe 1.x motherboards, using the available bandwidth of PCI Express 1.1. Overall, graphic cards or motherboards designed for v 2.0 will be able to work with the other being v 1.1 or v 1.0.

The PCI-SIG also said that PCIe 2.0 features improvements to the point-to-point data transfer protocol and its software architecture.[11]

In June 2007 Intel released the specification of the Intel P35 chipset which supports only PCIe 1.1, not PCIe 2.0.[12] Some people may be confused by the P35 block diagram which states the Intel P35 has a PCIe x16 graphics link (8 GB/s) and 6 PCIe x1 links (500 MB/s each).[13] For simple verification one can view the P965 block diagram which shows the same number of lanes and bandwidth but was released before PCIe 2.0 was finalized.[original research?] Intel's first PCIe 2.0 capable chipset was the X38 and boards began to ship from various vendors (Abit, Asus, Gigabyte) as of October 21, 2007.[14] AMD started supporting PCIe 2.0 with its AMD 700 chipset series and nVidia started with the MCP72.[15] The specification of the Intel P45 chipset includes PCIe 2.0.


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