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 PostPost subject: Intel Finally Opens Up USB 3.0 Spec, Everyone Relieved        Posted: Sat Aug 16, 2008 5:33 am 
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Source: http://news.cnet.com/8301-13924_3-10016929-64.html

Intel has released a specification revision for next-generation USB 3.0 technology that resolves a dispute with Nvidia and Advanced Micro Devices, which had threatened to develop their own USB 3.0 standard.

USB 3.0--also known as SuperSpeed USB--is a next-generation high-speed connection standard due in 2009. It is significant not only because all future PCs and devices will use connectors based on the standard but because it will offer 10 times the speed of USB 2.0--used in virtually all PCs introduced in the last few years--or roughly 5 gigabits per second.

On Wednesday, Intel released what it calls the Extensible Host Controller Interface (xHCI) draft specification revision 0.9 in support of the USB 3.0 architecture. The draft specification provides a standardized method for USB 3.0 hardware to communicate with USB 3.0-specific software.

"Interoperability among devices from multiple manufacturers is important for consumer adoption of SuperSpeed USB products," Intel said in a statement. The draft specification revision will make it easier to develop software support for the industry, according to Intel.

The updated specification is being made available under royalty free licensing terms to all USB 3.0 Promoter Group and contributor companies "that sign an xHCI contributor agreement," Intel said.

A statement from Advanced Micro Devices was included in the announcement: "USB 3.0 is an answer to the future bandwidth need of the PC platform. AMD believes strongly in open industry standards, and therefore is supporting a common xHCI specification."

Microsoft and Dell also voiced support.

Nvidia and AMD had claimed previously that Intel was not giving the specification to companies that compete with Intel in the processor and chipset business and both companies had threatened to develop their own USB 3.0 specification. Intel, at that time, denied that it was withholding the specification.

Now the dispute is resolved--however tenuously--allowing the USB 3.0 specification to go forward. "They have both signed the agreement to use our spec instead...and will not develop and alternate version," an Intel spokesperson said Tuesday. The fact that AMD and Nvidia will not pursue a separate specification would, in effect, resolve the dispute.

AMD's support came with a qualifier, however. "Its a shame that it took the reality of an alternative spec to make this come true. Intel should have opened it up without this. One has to question a monopolist leading a spec like this in the future," a source close to AMD said.

Intel said it plans to make available a revised xHCI 0.95 specification in the fourth quarter. The updated revision of the specification will also be released under royalty-free licensing terms via an xHCI adopter's agreement.

Intel said the specification is "90 percent" complete at this point.


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 PostPost subject:        Posted: Sat Aug 16, 2008 11:23 am 
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Does anyone know yet how fast it is (in megabits or something)?

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 PostPost subject:        Posted: Sat Aug 16, 2008 11:31 am 
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When maxed out USB 3.0, will offer ten times the bandwidth of USB 2.0 – 4.8 Gb/s, which translates into a massive bandwidth of 600 MB/s.


http://www.tgdaily.com/content/view/38863/135/[/quote]


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 PostPost subject:        Posted: Sat Aug 16, 2008 11:47 am 
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I guess no one reads anymore. I don't know why you had to quote anything other than the article, it says 5 Gigabits right there in my post in the third sentence.

Quote:
roughly 5 gigabits per second


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 PostPost subject:        Posted: Sat Aug 16, 2008 2:36 pm 
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QuiescentWonder wrote:
I guess no one reads anymore. I don't know why you had to quote anything other than the article, it says 5 Gigabits right there in my post in the third sentence.

Quote:
roughly 5 gigabits per second

Oops, sorry. I must have missed that. :oops:

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 PostPost subject:        Posted: Sun Aug 17, 2008 4:41 am 
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QuiescentWonder wrote:
I guess no one reads anymore. I don't know why you had to quote anything other than the article, it says 5 Gigabits right there in my post in the third sentence.

Quote:
roughly 5 gigabits per second
I noticed that in our garage sale for the past two days. We had a ton of books for dirt cheap 50 cents for kids mainly, and a few adult related topics (like cookbooks you perves!)

But on topic, That's really fast! Just backing up to my external hard drive with USB 2.0 isn't fast enough. I believe Apple is also working on a new FireWire that's even faster? I'm not sure, but I've only used the interface a few times for video camera purposes.

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 PostPost subject:        Posted: Sun Aug 17, 2008 8:31 am 
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troyoda1990 wrote:
(like cookbooks you perves!)


Are they juicy or possibly still saucy. You got my hopes up :(
=-=-

Now then, on the topic...

I am somewhat disapointed about this starndard; I was wishing for something that could actually usable usb video cards; I personally need more then 3.2 Gb/s. Thats less then my Voodo 4200 :D

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 PostPost subject:        Posted: Sun Aug 17, 2008 10:40 am 
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I doubt USB will ever support fast video cards (compared to competing built-in cards), USB is simply not designed for extremely low latency high bandwith devices, it's supposed to be fast enough and cheap. FireWire has a better chance anyway, since it is a better standard than USB for A/V stuff

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 PostPost subject:        Posted: Sun Aug 17, 2008 4:19 pm 
I guess it looks like i will soon be buying usb 3.0 cards to replace my usb 2.0 cards... ohh the fun of upgrading old machines.


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 PostPost subject:        Posted: Sun Aug 17, 2008 6:30 pm 
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I'm curious to see what kind of devices are actually going to use this amount of bandwidth. TV tuners, USB to IDE adapters, video cameras, can anyone think of anything else?


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 PostPost subject:        Posted: Mon Aug 18, 2008 6:18 am 
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8-)

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 PostPost subject:        Posted: Mon Aug 18, 2008 10:34 pm 
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QuiescentWonder wrote:
I'm curious to see what kind of devices are actually going to use this amount of bandwidth. TV tuners, USB to IDE adapters, video cameras, can anyone think of anything else?


Media storage drives, come to mind, hmmm... and im sure theyll find some way to use it for gaming consoles.
:^)

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