![]() ![]() ![]() Both 3.1 and 3.0 ASMedia controllers were now running the same driver on the same workstation. The drivers are supplied as part of Windows setup now, the same with the Nvidia ones for cards with the USB C port (although the controller may be on the card still without the. We installed an older ASMedia ASM1042 USB 3.0 PCI-E controller card in our USB test workstation and installed the ASMedia 1.16.23.0 drivers once again. According to Intel's support site the USB 3.0 eXtensible Host Controller drivers were discontinued as from January 1st 2019. 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. Go to the installation folder of Asmedia ASM104x USB Host Controller Driver. After several reboots and experimentation, we found the crashes to vary widely in frequency. ![]()
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