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[Gigabyte] GIGABYTE Announces Entire 6 Series Ready to Support Native PCIe Gen. 3 - Page 7

post #61 of 72
Quote:
Originally Posted by TFL Replica View Post
Thanks MSIalex. It's sad that nobody questioned this. Gigabyte trying to pull a dirty trick to get its customers back.

Here's the translated page for those (like me) that can't read Chinese (it's sufficiently clear): http://translate.google.com/translat...see%3Fpage%3D1
I should note a few things:

- "support for" and "full functionality" are not the same. Gigabyte's press release may be correct, but it is misleading to say the least.
- This may be also correct if the IC quick switch is bypassed under single card operation. So... Gigabyte may be correct if you only run a single card. In which case... EVERYONE's boards will have PCI-E 3.0 connectivity with a simple BIOS update!

I'll let you guys know more info. I'm trying to verify on the second point.


Edit: I should also add that Gigabyte is focused on Z68 boards (and ditching P67 completely), so there's a need for them to push demand for Z68 more. This is one of the tactics.

Like NBC's slogan, "The More You Know..."
Edited by MSIalex - 8/16/11 at 6:44pm
    
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post #62 of 72
The second point is this, for instance on a simple Z68 board, no NF200 or Lucid there are 16x PCI-E lanes that will goto the CPU. On these boards you have 4 MUX/DeMUX which are PCI-E switches, they will switch 2 lanes a piece either to the first slot for full 16x or to the second for 8x/8x SLI.

The other 8X lanes are directly connected to the CPU's PCI-E controller and to the first 8x worth of pins on the first 16x GPU slot.

So you will be running half of your bandwidth at PCI-E 3.0 with a Ivy Bridge CPU on any board which doesn't use a FIFO MUX like the NF200.

Next you have real PCI-E 3.0 full go boards, like the Z68A-GD80(G3) rev 3 or whatever and the assrock boards and the Sniper 2 from gigabyte which is the only GIGABYTE board ATM with full PCI-E 3.0 support. It uses eh same exact pericom PCI-E 3.0 switches as MSI, Assrock uses different one.

honestly i wouldn't buy a board because of this, nor would I even if it had real PCI-E 3.0 over the current board of lower price. The reason being we don;t even full saturate PCI-E 2.0 with our GPUs, and these boards only have their GPU slots connected to the CPU. So unless you want to run your high bandwidth RAID card(something that would benefit) then you gotta use up the GPu slot. That is until we get something like a PCI-E 3.0 capable PCH, as the PCH has 8X PCI-E 2.0 lanes on current gen LGA1155 boards.
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post #63 of 72
So a bit of info from me:

Seems like, barring some other type of info, that if you run single card, PCI-E 3.0 is available.

So: theoretically all LGA1155 boards can run PCI-E 3.0 with the proper CPU and GPU, in single card config.
    
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post #64 of 72
and BIOS
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post #65 of 72
Quote:
Originally Posted by Sin0822 View Post
and BIOS
That's a given.
    
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post #66 of 72
Quote:
Originally Posted by 45nm View Post
Bios for the CPU. It needs actual PCI-E 3.0 Ports to support it. Their stating that their lineup of the 6 Series motherboards will support PCI-E 3.0 with Boards that are revised/refreshed for it.
I'll hazard a guess that the actual slots and the like are backwards compatible and the same as PCIe 2.0, it's just the way the data is transferred that is different. (Which is up to the PCIe controller on the GPU/Soundcard/whatever and CPU/NB)
    
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post #67 of 72
No GA-Z68X-UD7 on that list...
post #68 of 72
Quote:
Originally Posted by Sin0822 View Post
The second point is this, for instance on a simple Z68 board, no NF200 or Lucid there are 16x PCI-E lanes that will goto the CPU. On these boards you have 4 MUX/DeMUX which are PCI-E switches, they will switch 2 lanes a piece either to the first slot for full 16x or to the second for 8x/8x SLI.

The other 8X lanes are directly connected to the CPU's PCI-E controller and to the first 8x worth of pins on the first 16x GPU slot.

So you will be running half of your bandwidth at PCI-E 3.0 with a Ivy Bridge CPU on any board which doesn't use a FIFO MUX like the NF200.

Next you have real PCI-E 3.0 full go boards, like the Z68A-GD80(G3) rev 3 or whatever and the assrock boards and the Sniper 2 from gigabyte which is the only GIGABYTE board ATM with full PCI-E 3.0 support. It uses eh same exact pericom PCI-E 3.0 switches as MSI, Assrock uses different one.

honestly i wouldn't buy a board because of this, nor would I even if it had real PCI-E 3.0 over the current board of lower price. The reason being we don;t even full saturate PCI-E 2.0 with our GPUs, and these boards only have their GPU slots connected to the CPU. So unless you want to run your high bandwidth RAID card(something that would benefit) then you gotta use up the GPu slot. That is until we get something like a PCI-E 3.0 capable PCH, as the PCH has 8X PCI-E 2.0 lanes on current gen LGA1155 boards.
From what I gather Sandy Bridge E (LGA2011) won't even have PCI-E 3.0.

I don't see any reason why someone would put an Ivy Bridge processor in a P67 or Z68 anyways... The new boards to compliment the new revision would seem most logical as those boards would have true PCI-E capabilities.

What's interesting Asus just put out a new BIOS for my Z68 Deluxe board and all it says is "support additional cpu" with no list of exactly which they are supposed to now support.

I don't see PCI-E 3 being used or needed for GPU's for another two years, and even then PCI-E 2.0 will be more than fine I suspect if history has anything to say about it. Hell PCI-E 1.0 slots still only give a 4 to 6 percent bottleneck according to Anandtechs benchmarks. And given the fact that PCI-E 2.0 @ 8X is the same bandwidth of PCI-E 1.0 16X and is the norm right now for SLI even gives more credit to that fact.
Edited by Cyrilmak - 8/24/11 at 7:29pm
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post #69 of 72
Quote:
Originally Posted by MSIalex View Post
So a bit of info from me:

Seems like, barring some other type of info, that if you run single card, PCI-E 3.0 is available.

So: theoretically all LGA1155 boards can run PCI-E 3.0 with the proper CPU and GPU, in single card config.
Interesting...
I thought if the lanes run through a switch at all, they won't be able to use all 16 lanes.
post #70 of 72
Quote:
Originally Posted by PoopaScoopa View Post
Interesting...
I thought if the lanes run through a switch at all, they won't be able to use all 16 lanes.
necro.


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