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PCI Explanation


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8 replies to this topic

#1 Jongko

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Posted 24 October 2010 - 10:33 PM

So i decided to build my desktop and im having trouble understanding the pci slots and such. its kinda of a broad subject so just kinda nudge me in the right direction about the topic.

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#2 RainbowSix

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Posted 24 October 2010 - 10:50 PM

The most common PCI standards are 32-bit PCI (aka conventional PCI), PCI express x16, and PCI express x1. You can use a PCI-E x1 card in a x16 slot but not vice-versa. PCI-E x16 is by far the fastest of the three.

Edited by RainbowSix, 24 October 2010 - 10:50 PM.

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#3 Jongko

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Posted 24 October 2010 - 10:55 PM

what about pci 2.0?

#4 RainbowSix

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Posted 24 October 2010 - 11:15 PM

PCI-E 2.0 is the current standard for PCI-E x16 cards, but it is fully backwards compatible with the previous standard.

Edited by RainbowSix, 24 October 2010 - 11:16 PM.

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#5 the_patriot11

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Posted 24 October 2010 - 11:18 PM

PCI is kind of an older standard, used for expansion cards like network and many wireless cards, as well as some sound cards. More about it here PCI express Is a much newer standard used by everything from network adaptors to graphics cards, and come in every size from PCI express x1 all the way up to x16. x16 is used for graphics cards, while everything smaller is used for expansion cards. A PCI express card will work in any slot its size and larger-for example a PCI express x1 card, will work in a x2, x4, x8, or a x16 slot, however, a card will not work in a smaller slot, for example a x8 card will not work in a x4 slot or smaller. Also note, PCI express cards will not work in a conventional PCI card, or vise versa-they are not interchangeable.

PCI express has many features, especially with graphics cards, most motherboards use a variety of PCI express slots, usually at least 1 x16 slot combined with 2 or 3 x1 or x4 slots. Many of your high end boards have multiple PCI express x16 slots to enable you to use multiple video cards, if you choose ATI this is called crossfire, if you choose NVIDIA, using multiple cards is called SLI. If you go with a multiple GPU solution, make sure the board you choose supports it, two nvidia cards will not work on a crossfire enabled motherboard, or vise versa.

Hope thats some helpful info if you have any more questions, feel free to ask.

For more information:
http://en.wikipedia.org/wiki/ATI_CrossFire

http://en.wikipedia.org/wiki/Scalable_Link_Interface

Also if your looking at a custom build this might be helpful
http://en.wikipedia.org/wiki/Socket_AM3

http://en.wikipedia.org/wiki/LGA_1366

http://en.wikipedia.org/wiki/DDR3_SDRAM

http://en.wikipedia.org/wiki/Serial_ATA

Edited by the_patriot09, 24 October 2010 - 11:20 PM.

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#6 Jongko

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Posted 25 October 2010 - 12:55 AM

uhh tried delete post. idk how to...


Thanks for all your help... when i figure out what im gonna get ill ask you guys to like final check it :D

Edited by Jongko, 25 October 2010 - 12:57 AM.


#7 Jongko

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Posted 25 October 2010 - 01:09 AM

oh and one last question thats off topic... whats with western digital? i hear there extremely unreliable.

Edited by Jongko, 25 October 2010 - 01:11 AM.


#8 RainbowSix

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Posted 25 October 2010 - 10:04 AM

Well you heard incorrectly. I only use WD drives and they've been great. Seagate has a reputation of unreliable hard drives however.

Edited by RainbowSix, 25 October 2010 - 10:06 AM.

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#9 the_patriot11

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Posted 25 October 2010 - 02:25 PM

Western Digital is a brand of hard drive, and I would have to agree with rainbowsix, you heard wrong, I have used countless western Digital hard drives down through the years and have never had one fail. Am, in fact using one in my primary system right now, in a Raid array with a Hitachi, they make good solid drives, in fact are one of the leading hard drive manufacturers.

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Primary system: Motherboard: ASUS M4A89GTD PRO/USB3, Processor: AMD Phenom II x4 945, Memory: 16 gigs of Patriot G2 DDR3 1600, Video: AMD Sapphire Nitro R9 380, Storage: 1 WD 500 gig HD, 1 Hitachi 500 gig HD, and Power supply: Coolermaster 750 watt, OS: Windows 10 64 bit. 

Media Center: Motherboard: Gigabyte mp61p-S3, Processor: AMD Athlon 64 x2 6000+, Memory: 6 gigs Patriot DDR2 800, Video: Gigabyte GeForce GT730, Storage: 500 gig Hitachi, PSU: Seasonic M1211 620W full modular, OS: Windows 10.

If I don't reply within 24 hours of your reply, feel free to send me a pm.





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