Mac Pro 3,1 GTX 970

[CLMNT]

Hello,

I recently purchased a MSI GTX 970 4GB Gaming to replace my HD5770 .
I have a Mac Pro Dual Xeon 3.1 3,2Ghz 18Go Ram and SSD

When I run Bootcamp I have BSOD 0x124 and WHEA Logger ID 18. Except when I return the 5770 .

Browsing the forum yesterday I read that this might be the Slot 1 is problematic . So I sent my GTX 970 before reading that it should be put into Slot 2. Power 6 pins is connected to the motherboard and 8 pins on both Molex is taken.

I wonder if this has happened to any of you ?
Does this would be a problem Slot PCIe ?
All that to know if I would buy another GTX 970 ?

Thank you

 

[MacVidCards]

Slot 1 in 3,1 used to let some GTX570 and GTX580 cards turn off fan, then they would overheat.

Only way to know was to watch fan.

 

[CLMNT]

The 970 fans worked perfectly in slot 1. But I'm beast I have not even thought about trying another slot before return the card: /

I had WHEA ID 18 errors
A fatal hardware error has occurred .

Reported by component: Processor Core
Error Source: Machine Check Exception
Error type: Bus / Interconnect Error
Processor ID: 0

No problem with tempature . I could play 1 or 2 hours without problem . Go to bed and wake up to have this error message .
Sometimes three times in an hour and next to nothing for a day.

Maybe the molex to 6 pins is the problem? Missing the middle 12v power cable.





Thank for your help

 

[CLMNT]

Help please :/