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post #131 of 1505
Quote:
Originally Posted by homestyle View Post
will be a big shame if that card can't power 3 monitors at the same time.
Yea agreed. That much power begs for triple monitor support. With two GPUs it probably will.
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post #132 of 1505
Thread Starter 

Quote:
Now that the specifications of AMD's dual-GPU monster graphics card, the HD 6990, have been made public, everyone's attention turns toward Nvidia's response, the GTX 590, and one of the latest reports to make it to the Web suggests that the card has already been showcased behind closed doors at CeBIT 2011.
Quote:
Cebit 2011: Dual-chip Nvidia is real

We had a chance to see Geforce GTX 590 at Cebit. It is real, it runs and it’s coming soon. It is quiet and packs enough power to run Crysis 2 in 3D at very nice frame rates.

The card has two PCIe 2x8 power connectors and it is rather hot, something that doesn’t come as a surprise. The card looks slightly different than the EVGA card we saw at CES 2011, but the EVGA card had a custom cooler that will be different than the reference one.
Slightly old news, surprised this hasn't been posted yet.

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post #133 of 1505
They bring it, yet they don't show it. Are you supposed to ask them or something? lol
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post #134 of 1505
Thread Starter 
Quote:
Originally Posted by Citra View Post
They bring it, yet they don't show it. Are you supposed to ask them or something? lol
From what I heard, it was showcased to a select few on-site reviewers that had private invites to specific employees of the sites.
post #135 of 1505
what's the green chip in the PCB?

Just did my homework, it's some x16 thing.
Edited by ilam3d - 3/14/11 at 12:46pm
post #136 of 1505
Oh wow, it can play Crysis 2... in 3D, because that ported game looks so amazing.
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post #137 of 1505
Thread Starter 
Quote:
Originally Posted by ilam3d View Post
what's the green chip in the PCB?
That is the NF200 bridge chip that provides two PCI-Express x16 2.0 from 16 lanes. It also acts as a coprocessor to whichever chip supports PCI-e instructions.

Here's some history of the chip and how it is used:

Quote:
A time not too long ago as some of you may remember, NVIDIA made chipsets and one of the greatest features was SLI support, while young and very buggy it introduced a totally new concept to gamers and game designers. The NVIDIA NF200 was initially designed to provide SLI technology to chipsets NVIDIA did not produce. NVIDIA released this chip when it was still producing chipsets a few years ago. Many think NVIDIA did this because they knew that they were leaving the market, but still wanted to provide SLI support to their loyal customers, and thus keeping the demand for multiple GPUs. After Intel won its lawsuit against NVIDIA for making chipsets, SLI was still possible due to the NF200. Eventually Intel and NVIDIA made an agreement and SLI technology was made possible through the IOH/Northbridge. On the P55 chipset boards, the NF200 chip allowed full 16x SLI for both video cards. This same technology was used on many boards even before P55. With a PCH there is no IOH/Northbridge so SLI has to be integrated separately, just like on P55 platform. The NVIDIA NF200 chip supports 32 PCI-E 2.5GT/s lanes.

Here is how it works, NF200 takes the native 8 lane 5GT/s bus and doubles the bandwidth to 16x5GT/s so you would have 32 lanes of 2.5GT/S PCI-E bus for 16x SLI. Do not be fooled it doesn’t add PCI-E lanes; instead it splits the ones already present and adds bandwidth. It is really great at consolidating and making sure the proper devices are fed full bandwidth. Although we have 32 lanes of PCI-E bandwidth GIGABYTE says the board only supports 3-way SLI. This is most likely because 4-way SLI would be 8x each card and performance would take a hit. This board also supports CrossFireX which is the ATI/AMD equivalent for SLI technology.

On this board ALL the PCI-E lanes from the processor are fed directly into the NF200. On many X58 boards and P55 boards, only a portion of the PCI-E lanes are fed to the NF200, the reason is that USB3 and SATA6G work off the high speed PCI-E bus, but this board is one of the few exceptions. The new P67 PCH connects to all of these devices through a secondary PCI-E bus, that has its own clock generator, and its own set of 8 PCI-E switches. The PCH then communicates to the CPU through a high speed 20GB/s DMI interface. The NF200 connects to the 4 PCI-E slots through 2 switches.

Many people have mixed views of the benefits of 16x/16x vs 16x/8x SLI, regardless the NF200 is needed for proper SLI on LGA 1155 motherboard. This motherboard will probably perform exceptionally at SLI with the NF200 because all the PCI-E lanes from the processor are used solely for the PCI-E slots."

Edited by Open1Your1Eyes0 - 3/14/11 at 12:48pm
post #138 of 1505
Quote:
Originally Posted by Citra View Post
They bring it, yet they don't show it. Are you supposed to ask them or something? lol
Sounds like something for the privileged. :I


Quote:
Originally Posted by ilam3d View Post
what's the green chip in the PCB?
55nm Nforce 200 chip. I THINK. That's a dealbreaker.
post #139 of 1505
Quote:
Originally Posted by ilam3d View Post
what's the green chip in the PCB?
NF200 chip.
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post #140 of 1505
Quote:
Originally Posted by Citra View Post
They bring it, yet they don't show it. Are you supposed to ask them or something? lol
No you just needed a press pass to access that section. They were showing it but the average visitor had no access to it.
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