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GRAPHICS CARD ISSUE: MSI R5870 PM2DIG & MSI R5870 Lightning (Crossfire Issues)

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Oliver Karstel_ZA
Mon Aug 04 2014, 01:10PM
Oliver Karstel_ZA Registered Member #692 Joined: Fri Mar 30 2012, 09:51AM
Posts: 39
Hey guys,

Haven't made a post in quite a while, hope everyone is doing swell!

So this is my latest issue, i purchased two HD5870s from a mate of mine,
They're both MSI:

MSI R5870 PM2DIG - (http://www.msi.com/product/vga/R5870PM2D1G.html#hero-overview)
Master Slot
Core Clock 850Mhz
Mem Clock 1200Mhz

MSI R5870 Lightning - (http://www.msi.com/product/vga/R5870_Lightning.html#hero-overview)
Slave Slot
Core Clock 900Mhz
Mem Clock 1200Mhz

So I'm running them in Crossfire at the moment but there seems to be a problem when i ran a Windows Experience Index there were slight screen tears and artifacts and then before the test could finish the machine crashed to a black screen a prompt to restart.

I then figured it might have something to do with the fact that the lightning is running at a slightly higher core clock so i downloaded MSI Afterburn and changed the core clock on the lightning to 850Mhz to match the standard card - but alas when i opened up a game there was frame freezing, artifacts and eventually the PC crashed to a black screen with a loud bleeping sound resonating from i think one of the graphic cards

Any ideas?

I figured that another issue might be that im running MSI After Burn and also have CCC (Catalyst Control Centre) running in the background (With Overdrive OFF) - because when i checked CCC and it says that my core clock on my lightning is still 900Mhz

Thank you in advance!
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Oliver Karstel_ZA
Mon Aug 04 2014, 11:21PM
Oliver Karstel_ZA Registered Member #692 Joined: Fri Mar 30 2012, 09:51AM
Posts: 39
Little update:

I think the fact that CCC and MSI Afterburner were both open caused the fact that the clock wasn't applied. I've got both cards running at Core Clock 850Mhz & Mem Clock 1200Mhz and they seem to be running relatively smoothly but i still think there is something wrong

Can anyone recommend a piece of software which can measure the health of a GPU?
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Oliver Karstel_ZA
Wed Aug 06 2014, 10:47PM
Oliver Karstel_ZA Registered Member #692 Joined: Fri Mar 30 2012, 09:51AM
Posts: 39
Hey ANOTHER update...

Was gaming just a minute ago and in character creation the pc crashed with the graphic card making a looong BLEEEPing sound again.. Figured this might be a result of overheating, so i switched on the pc again and had a look in CCC i saw the Crossfire was switched off and that the core clock on the Lightning card was back to 900Mhz any ideas why that might happen?
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