Question Running CUDA6.5 sample:p2pBandwidthLatencyTest. I found SUT hang(nVidia K80*1 or K80*2)on X10DRG-Q and can not finish the test. Answer Disable "Access Control Services (ACS) feature" in OS. Was this FAQ helpful? YES      NO Enter Comments Below: Note: Your comments/feedback should be limited to this FAQ only. For technical support, please send an email to support@supermicro.com.  Enter your email address below if you'd like technical support staff to reply:  Please type the Captcha (no space) M M L M FAQ Stats FAQ ID Related Category / Keyword Date Posted Code 20264 BIOS: - BIOS Update 03/04/15     Print Answer