[BSOD] Enabling Crossfire on Catalyst newer than 10.11

Spacedust said:

I use Apple Mac Pro 3,1 (2008) with the following specs:

Windows 7 Ultimate 64-bit
2x Intel Xeon E5472 3.0 GHz
32 GB DDR2 FB-DIMM Micron/Hynix
2xATI Radeon HD5770 1 GB DDR5 XFX + Apple genuine
Realtek High Definition Audio
Apple Cinema HD Display 23"
1x Kingston SSDNow 40 GB
4x Kingston SSDNow S100 SS100S2/16G
2x Samsung HD502HJ 500 GB
1x Seagate ST3500418AS 500 GB
PIONEER BD-ROM BDC-202 BluRay drive
Areca ARC-1210 RAID Controller
Delta Electronics 980W
Logitech Illuminated Keyboard + Logitech Performance Mouse MX.

I would like to enable Crossfire in Catalyst Control Panel, but it do not work on drivers newer than Catalyst 10.11.

I got BSOD on atimkdag.sys. How to fix it ?

Tried Driver Sweeper but no luck, even installing fresh system didn't worked.

Hi Spacedust welcome to SF :)

For the atimkdag.sys error,is a good idea to update your ati driver.

You have problems with the new catalyst? Ok then download and install only the newest drivers not the catalyst by choosing Individual Downloads http://support.amd.com/us/gpudownload/Pages/index.aspx

Or download the full ati software/driver,and during the installation choose custom and disable/untik/ the new catalyst from the list,that way you instal and update everything except the catalyst.

You can also stress/test your graphics with Video Card - Stress Test with Furmark

Well you have one and only minidump and that points to hardware error propably CPU.

For this run https://www.sevenforums.com/tutorials...t-prime95.html

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Finish with the above steps and post back with any results.

Spacedust said:

Installed new system with all updates, service pack 1 and the latest drivers. When enabling Crossfire BSOD :/

Can you check what's wrong ?

''GPU's and CPU's are OK"" You mean you test them or you just assume are ok?

You have 2 new minidumps and both points to atikmdag.sys.

Is also a good idea to update the motherboard chipset and bios,this in many cases helps the motherboard in Sli,crossfire and ram compatibility.

Also update DirectX.

Spacedust said:

panais said:

Spacedust said:

Installed new system with all updates, service pack 1 and the latest drivers. When enabling Crossfire BSOD :/

Can you check what's wrong ?

''GPU's and CPU's are OK"" You mean you test them or you just assume are ok?

You have 2 new minidumps and both points to atikmdag.sys.

Is also a good idea to update the motherboard chipset and bios,this sometimes helps the motherboard in Sli,crossfire and ram compatibility.

Yes. Runned Prime95 on all 8 cores and Furmark on both graphics for long time and no problems. I got the latest EFI firmware from Apple and Intel chipset drivers.

On Catalyst 10.11 and older everythings works ok. Starting from Catalyst 10.12 BSOD.

I got the latest version of DirectX.

I know this is not the answer you expect,but lots of people have issues with the newest ati catalyst software and drivers.

And the solution/advice was to stick with the older catalyst and wait for new and better drives.

Spacedust said:

They probably messed something begginning from 10.12. This is strictly AMD fault. I cannot blame XFX or Apple.

Yes your right.

I will do some more research though,if i will find anything i will post.

In meantime you can try few things yourself,for example change slots between graphics.

I know these are not answers but sometimes works.