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Clevo X7200 Different SLI instructions and updates


Robigarga 88

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This is a useful guide for all the Clevo X7200 owners (and also for anyone who wants to use SLI on an unsupported hardware) 

 

Credits for Different SLI goes to  Ember of techpowerup ( https://github.com/EmberVulpix/DifferentSLIAuto ) and @anatolymik (https://www.techpowerup.com/forums/threads/sli-with-different-cards.158907/ . Thank you guys.

 

First step is a clean starting point; if you messed up with other driver or other version of different SLI or to unistall it, you have to:

 

#1 use DDU to remove all traces of previous installations of driver 

#2 open certmgr.msc and  delete all DifferentSLI certificates from the DifferentSLI and Trusted Root Certification Authorities (see attached image)

#3 open regedit and remove the follow registry keys (you can find them with control+F and digit Different SLI )

HKEY_CURRENT_USER\Software\Microsoft\SystemCertificates\DifferentSLIAuto
HKEY_CURRENT_USER\Software\Policies\Microsoft\SystemCertificates\DifferentSLIAuto
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\EnterpriseCertificates\DifferentSLIAuto
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\DifferentSLIAuto
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\SystemCertificates\DifferentSLIAuto
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\EnterpriseCertificates\DifferentSLIAuto
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\SystemCertificates\DifferentSLIAuto
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Policies\Microsoft\SystemCertificates\DifferentSLIAuto

 

Now you're ready for install.

 

#1 Enable Test Mode (windows 10 users), open command promt (cmd) and run "cmd" as Administrator, type:   

 bcdedit -set loadoptions DDISABLE_INTEGRITY_CHECKS   and hit Enter

 bcdedit -set TESTSIGNING ON     and hit Enter

 Restart your PC, you will see the watermark in the right-lower corner on the desktop.

 

#2 Update your displaydriver to the latest Version. 

#3 Use the lastest DifferentSLI (now V1.6), unpack it; 

 Go to C:\Windows\System32\drivers and copy the File nvlddmkm.sys into the DifferentSLi folder.
 Run DifferentSLIAuto.exe and pacht it.
 Run Install.cmd as admin. (it signed it, but fails to copy the file back to the drivers folder. however, we do it manually in the next step).
 Now your file is patched and signed. copy the patched nvlddmkm.sys back to C:\Windows\System32\drivers and replace it with the orig. (make backup first)
 Reboot and you should be able to activate SLi in the nvidia control panel.
 

Thank you @Doki @sirana for helping me.

DifferentSLIAuto1.6.rar

C3acAlU.png

u1gvgYY.png

Edited by Robigarga 88
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good post!

 

what PSU are you guys using?

 

my 300W failed at full load (GPUs overclocked) so i built this monstrous setup: :rofl: 580W in total

 

the small box in the middle is a selfmade powerconverter

IMAG1033.jpg

Edited by Doki
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