![]() We did some digging and found that the “asmtxhci.inf” driver file from the ASMedia driver installer not only worked for the new ASM1142 USB 3.1 controller, but it appeared to be a unified driver covering all ASMedia USB host controllers. This was not a compromise we were willing to make. We found that the controller became as stable as the Intel controller but with the tradeoff of losing USB 3.1 functionality for future USB 3.1 devices. We decided to remove the ASMedia 1.16.23.0 drivers and roll back to the built-in Microsoft “0110” drivers to see what would happen. When connecting these same devices to the on-board Intel 9 Series USB 3.0 controller there were no issues. Sometimes the crash would occur with a simple USB 3.0 flash drive, other times with our 7-port hub and all 7 ports occupied with USB graphics adapters. After several reboots and experimentation, we found the crashes to vary widely in frequency.
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