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HyperSLI (Enabling SLI on non-sli motherboards)

Buschti

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if you try SLIPatch 1.5 + latest modded drivers, you'll get the same. you sure you have BSOD always when you try to start 3d vision?
Yes, i already tried SLIPatch + modded drivers, and I was still getting the BSOD. The BSOD ONLY happens, if SLI AND 3D-Vision are enabled at the same time and then starting a games gives be the BSOD. Both on its own work without a problem!! The only exception is Crysis 2, that game somehow works in SLI and 3D-Vision together. Very strange...
 
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snipe

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I did driver sweeper in SM and then installed the newest beta drivers for BF3, so maybe it is BETA driver related
 
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I did this a few days ago after getting bsod and i have not gotten one since then.


I've been doing research, and the dxmss1.sys error is dx and video driver related. It's also a common issue under win7 with both nvidia and ati cards. Make sure to use a completely clean install of drivers. I'm still wondering about leftovers from the mod/driver combo, that should maybe fully removed first in safe mode. I tested hypersli on a clean install of win7 x64 and x32, and never had an issue. If you haven't already, try dual booting with a completely clean install of windows, and try it.
 

legojon

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Hi, just got a new SSD so I've done a fresh reinstall. Am using HyperSli with 2x560s SLI. Everythings been fine all week. I find that mostly games, etc run 98% on GPU1 and say 30%-98% on GPU2 depending on the game.

But heres my problem. Every so often, it changes so that GPU2 is 98% and GPU1 is idle and so clocks down completely. This reduces my fps in eg Rage which is 60fps solid to 20fps and I can't play it. So I have to physically swap the cards over in the slots to solve this. Until it happens again... then I swap them back.

Each times its the same thing... if GPU1 is the primary GPU, everythings fine even if GPU2 is idle. But, other way round and I can't play anything.

Is there anything that can be done with Hyper SLI to make sure GPU1 always gets loaded first (I believe its an nvidia driver issue though as I see quite a few hits for it in google).
 

legojon

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Run RAGE on SINGLE GPU, I can run it with 16k textures on 1 card @ 60fps on a 460 HAWK
Rage was a bad example ... kind of. I noticed in 3D settings, Rage is actually locked to Single GPU for me anyway! The problem I have is, it chooses GPU2 not GPU1. When it did choose GPU1 I got 60fps solid. But now its choosing GPU2 and I get 20fps.

But, more to the point. This morning I ran Metro 2033 benchmark. I got 22fps on High. That was using GPU1 30% and GPU2 98%. So, I swapped the cards over in the slots. Ran the benchmark again and got 46fps GPU1 98%, GPU2 78%. So everything is running great again.

So my problem is everything will be great for a few days. Then I'll have to open the case and swap the cards over in the slots again. I have no idea why this happens and whether its a HyperSli thing, a crossfire issue (because when I google it, this happens with Crossfire more than SLI it seems and it is a crossfire board). Or are the Nvidia drivers just useless at picking out the primary GPU?
 
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Rage was a bad example ... kind of. I noticed in 3D settings, Rage is actually locked to Single GPU for me anyway! The problem I have is, it chooses GPU2 not GPU1. When it did choose GPU1 I got 60fps solid. But now its choosing GPU2 and I get 20fps.

But, more to the point. This morning I ran Metro 2033 benchmark. I got 22fps on High. That was using GPU1 30% and GPU2 98%. So, I swapped the cards over in the slots. Ran the benchmark again and got 46fps GPU1 98%, GPU2 78%. So everything is running great again.

So my problem is everything will be great for a few days. Then I'll have to open the case and swap the cards over in the slots again. I have no idea why this happens and whether its a HyperSli thing, a crossfire issue (because when I google it, this happens with Crossfire more than SLI it seems and it is a crossfire board). Or are the Nvidia drivers just useless at picking out the primary GPU?
Right... Rage is a non SLI game, better kombustor to see if it works.
 
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DeahSeed

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i would like to try

i need amd beta tester. anybody wants?
 
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I'm available for testing
 
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How it works on the AMD platform, since it not has vt-x?
Are there similar resources?
 

Max One

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I'm also available for beta testing.

My rig:

X6 1055T
AMD Crosshair 4 Formula
4gb ram
2 x 8800 GTS 512 mb

OS: Windows 7 X64
 

noob666

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Hello, I wonder in what order i should do all this? Driver first? hypersli? or should second card been put in computer first before install drivers and hypersli? :) please tell me! :p
 
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Hello, I wonder in what order i should do all this? Driver first? hypersli? or should second card been put in computer first before install drivers and hypersli? :) please tell me! :p
1. Install latest official nVidia driver of your choosing.
2. Install HyperSLI
3. Install second card and let Windows install the driver for it automatically.
4. Enable SLI


Do a reboot of your computer after each step on the list above.
 
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As I mentioned in the other thread, all I've ever done to install is put in both cards, put on the sli bridge, install driver, install hypersli, done!
 
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hello, i have a question...
Since HyperSLI runs using vt-x, how far will it impact cpu performance? (compared to native supported SLI)

My current spec is :
Proc : Intel Q9450 (3.2 GHz)
MB : Gigabyte X48-DQ6 (DDR2 version)
Memory : 8 GB Corsair DDR2-6400C4DHX
GPU 1 : Radeon HD 5850
GPU 2 : Nvidia GTS250 (dedicated PhysX)
HDD : 2x WDC Green 500GB (RAID 0)

While playing BFBC2, CPU runs 80% and GPU 1 runs 90%-100% mostly in 4500x900 resolution(eyefinity)
Just to make sure before any purchasement made, will there any benefit using 2x GTX 560 Ti under HyperSLI?

Thanks in advance.
 
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I have tested hypersli with a q9450 based system, and can not see any performance impact from using vt-x. And yes, 2 560s will definitely be much better than 1! Most modern games scale very well on 2 cards.
 
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thanks for your prompt reply.

I will definitely get 2x GTX 560 Ti in that case. Finally, all i hope for becomes reality.