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PCI express 3.0 on 2009

post #1 of 19
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Quote:
Another working group is exploring changes at the transaction layer for Express 3.0 to lower latency at least ten percent while raising actual delivered bandwidth. Due to encoding and protocol overhead, version 2.0 typically achieves only about 70 percent of its theoretical 5 Gbits/s throughput. Two other groups are considering changes for version 3.0. One is working on ways to reduce the data rates or link widths of Express devices while still handling useful work. Another is exploring ways to work with operating systems and device drivers to more effectively execute Express commands.
http://www.eetimes.com/news/latest/s...9700659&pgno=2
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post #2 of 19
wait do the P5B's have PCI-E 2.0? :S
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post #3 of 19
We still dont saturate the bus 1.0, though I understand why they keep making improvements.

Actually, at work, we use a lot of heavy-duty data acquisition and PCIe is starting to really make an impact on the industrial sector. its more than just graphics, people =D.

Blah, I dont want to upgrade though!

EDIT: No, P5Bs use 1.0, I believe.
    
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post #4 of 19
I cant get over how fast things are moving. Everyday you read about something new. I miss the good ole days when the high end stayed the hign end for more than a month.
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post #5 of 19
My QuadGT uses 1.0a, IIRC. What ones use 2.0?

In all honesty, I don't know which cards support 2.0 at this point, never mind planning for a 3.0 when the specs aren't even finalized yet!!!
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post #6 of 19
PPL will still hold off upgrading their AGPs. You watch.
post #7 of 19
The main point of moving to a higher PCI-E version, is not the bandwith. It's mostly for lower latency (kinda like tightening the timings on your RAM) -- meaning love for soundcards, and the increased power being able to be fueled through the slot.
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post #8 of 19
What's the PCIe 2.0 spec for power transmission? Have they upped it from 75w?
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post #9 of 19
I think that this will be great.... as long as it's backwards compatable. By 2009 there will be many more PCIE cards than there are now, and it would suck to make them all useless.
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post #10 of 19
Quote:
What's the PCIe 2.0 spec for power transmission? Have they upped it from 75w?
PCI-E 2.0 has enough wattage to power a 8800 GTX. (Although you can't because the 8800 GTX wasn't designed to draw so much power from the slot.) I forget the exact wattage.
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