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Crossfire Questions?

post #1 of 4
Thread Starter 
I have two ATI Radeon 5870's running in crossfire mode. I just installed the latest ATI Drivers and for some reason OD will only let me control the speed of the fan on the Main GPU.

It shows that Crossfire is enabled but the fan will is not adjustable on the second GPU unless I open up GPUZ and then it will just go to idle mode by itself after a few seconds.

Any ideas?
    
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CPUMotherboardGraphicsRAM
Intel i7-2600K 4.8 GHz. & 1.38v Gigabyte Z68XP-UD5 2-ATI, HD 5870's, Crossfire'd G.Skill Ripjaws F3-12800CL7D-16GBXH 
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post #2 of 4
Disable ULPS in the registry.

Start-->Run-->type: regedit

ctrl+f-->type: ulps

Change "Enable Ulps" settings from 1 to 0. (There may be more than one entry in the "001, 002" folders.

Restart computer.
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post #3 of 4
Thread Starter 
Quote:
Originally Posted by erocker;15533274 
Disable ULPS in the registry.

Start-->Run-->type: regedit

ctrl+f-->type: ulps

Change "Enable Ulps" settings from 1 to 0. (There may be more than one entry in the "001, 002" folders.

Restart computer.

Thanks for that, it worked...

What is the issue associated with having to edit the registry in that manner, (for future knowledge?)
    
CPUMotherboardGraphicsRAM
Intel i7-2600K 4.8 GHz. & 1.38v Gigabyte Z68XP-UD5 2-ATI, HD 5870's, Crossfire'd G.Skill Ripjaws F3-12800CL7D-16GBXH 
Hard DriveOptical DriveOSMonitor
OCZ Agility 3, 240 GB SSD & 1TB Segt.Storage LG Blue Ray, DVD Windows 7 Ultimate 64 Dell U2410 FP 1920 x 1200 
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CPUMotherboardGraphicsRAM
Intel i7-2600K 4.8 GHz. & 1.38v Gigabyte Z68XP-UD5 2-ATI, HD 5870's, Crossfire'd G.Skill Ripjaws F3-12800CL7D-16GBXH 
Hard DriveOptical DriveOSMonitor
OCZ Agility 3, 240 GB SSD & 1TB Segt.Storage LG Blue Ray, DVD Windows 7 Ultimate 64 Dell U2410 FP 1920 x 1200 
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post #4 of 4
Quote:
Originally Posted by hogans;15533354 
Thanks for that, it worked...

What is the issue associated with having to edit the registry in that manner, (for future knowledge?)

I believe ULPS is a throttle of some sort, it can cause loads of issues in Xfire set ups though and is generally recommended to be turned off.

Everywhere I've read pretty much say's it's a horrible idea and best left off for Xfire set ups tongue.gif
    
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