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8 Posts

06-09-2012

iowa

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  • Message 1 of 14

Need help setting up crossfire on Z575

2012-06-30, 22:30 PM

I bought this laptop strictly for gaming and while straight out of the box it seems capable of running most games, they don't run as well as they should at higher settings. I'd like to learn how to setup the crossfire feature to get a little more "oomph". Could somebody please post a link to the proper driver I need, and also explain how to properly set up the crossfire feature? I'm pretty clueless when it comes to this tech stuff so your help will be much appreciated.

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7 Posts

06-16-2012

USA

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  • Message 2 of 14

Re: Need help setting up crossfire on Z575

2012-07-01, 6:25 AM

good luck getting help on this, ive posted before and nothing. It seems that the best driver is the latest from Lenovo, but when you use crossfire you get less performance than you would with just using the 6650. I only play BF3 really, so i just use the low preset and it runs fine.

 

Crossfire is hopeless on this machine, unless better drivers come out. 

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165 Posts

03-03-2012

Bulgaria

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  • Message 3 of 14

Re: Need help setting up crossfire on Z575

2012-07-01, 16:55 PM
Greetings,
First, do you know that CrossFire like the SLI (in nVidia) combines the power of 2 identical graphic cards to achieve better results. So I have a question for you, are you sure your Z575 has 2 AMD HD 6650M? Yes I have seen that in some places they say you can combine the integrated GPU (6620G) with the dedicated one, but that's not real CrossFire, not like the one in Alienware laptops, where they use 2 dedicated GPUs. Your thing is like combining my Intel HD 3000 with my nVidia GPU in SLi - not possible.
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65 Posts

05-26-2012

Indianapolis

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  • Message 4 of 14

Re: Need help setting up crossfire on Z575

2012-07-02, 17:52 PM

I have the same issue. I get WORSE performance when I crossfire the 6520g with the 6650m than with just the 6650m. Why even have this option availble if all it is going to do is slow performance???

 

 

Also I have posted this and no answer so all we can do is hope a lenovo specialist sees our posts. It seems like these forums are all questions and no replys!!!!

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1336 Posts

12-20-2011

Malaysia

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Re: Need help setting up crossfire on Z575

2012-07-03, 8:37 AM
@Primenay13,

How do you crossfire the laptop discrete GPU? I'm confused. Mind to share a pic on this?

Thanks.

*Non Lenovo employee*

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165 Posts

03-03-2012

Bulgaria

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  • Message 6 of 14

Re: Need help setting up crossfire on Z575

2012-07-03, 8:44 AM
Yeah me too. I don't think you can combine the processor's integrated gpu and the discrete one.
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1336 Posts

12-20-2011

Malaysia

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  • Message 7 of 14

Re: Need help setting up crossfire on Z575

2012-07-03, 9:30 AM
Alright ... I think I understand now...

Dual GPU from AMD is actually iGPU + eGPU ... Why would they name this X-Fire ... more like add juice to eGPU with the help of iGPU?

More info on AMD Dual Graphics below.

http://www.amd.com/us/products/technologies/dual-graphics/pages/dual-graphics.aspx#1

@kostadinbal,

Apparently AMD calls this "CrossFire" ... See their statement below taken from their FAQ.

"Once installed, go into the “Performance” section of the AMD VISION Engine Control Center and check the box that says 'Enable Crossfire™' - this will allow the AMD A-Series APU graphics to work in tandem with the select AMD Radeon™ HD 6000 Series GPU installed for increased graphics performance."

---

@Primenay13,

Based on my understanding, not all games runs faster if you enable X-Fire. I do have X-Fire setup rig however some games performs faster with only 1 GPU rather than running X-Fire as the games are not designed for CrossFire. After the games has been released, they would release patches in order to support CrossFire setup or SLi setup.

*Non Lenovo employee*

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16 Posts

04-17-2012

Germany

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  • Message 8 of 14

Re: Need help setting up crossfire on Z575

2012-07-04, 6:48 AM

The best you can do is to disable CrossFire because most games and drivers are working better and smoother if it's disabled in this notebook. The 6650m GPU ist much faster as the 6620g GPU, so if CrossFire ist enabled you will get small laggs (stuttering) or low GPU clocks with some drivers. Just disable CrossFire and you will be happy, i playing Battlefield 3 with CrossFire=off on Ultra settings without any laggs (i have same notebook).

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6 Posts

06-24-2012

Croatia

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  • Message 9 of 14

Re: Need help setting up crossfire on Z575

2012-07-04, 7:23 AM
Asymetrical Crossfire gives around 20-30% better performance in Directx 10 and 11 games.

Directx 9 games perform better with one graphic gard.

I got better framerate in BF3 with Asymetrical Crossfire than with single HD6650M.
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1336 Posts

12-20-2011

Malaysia

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  • Message 10 of 14

Re: Need help setting up crossfire on Z575

2012-07-04, 7:25 AM
I think we got a bit off topic from the main post from Master_Shake...

@Master_Shake,

Please see the instruction taken from AMD's website to enable CrossFire.

Q3: I just bought an AMD Radeon™ HD 6000 Series graphics card. How do I configure my PC to take advantage of AMD Radeon™ Dual Graphics?

A3: To take advantage of AMD Radeon™ Dual Graphics, you must use a compatible AMD A-Series APU to pair with your supported AMD Radeon™ HD 6000 Series card. After installation of your graphics card, install the latest AMD graphics drivers. After driver installation, the option to enable AMD Radeon™ Dual Graphics should become available in the AMD VISION Engine Control Center.

Once installed, go into the “Performance” section of the AMD VISION Engine Control Center and check the box that says 'Enable Crossfire™' - this will allow the AMD A-Series APU graphics to work in tandem with the select AMD Radeon™ HD 6000 Series GPU installed for increased graphics performance.

---

*Non Lenovo employee*

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