Yep....
I have 191.07's running in a different rig just fine right now.
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Here's what the 260 does now.
Please understand , I've reversed this condition
twice by repeated driver installs.
This video is of the 260 in a different rig :
http://braineater.kicks-ass.tv/miscshite/MVI_4111.avi
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Tell me again this is my fault.That's a bios level fault......