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1. #ASMEDIA USB3.1 EXTENSIBLE HOST CONTROLLER ERROR DRIVER#
2. #ASMEDIA USB3.1 EXTENSIBLE HOST CONTROLLER ERROR PC#

I also tried uninstalling the host driver and updating, no change. I also tried three different USB 3.2 cables, all same issues (except the USB A cable is worse in terms of I can never see the drive.

#ASMEDIA USB3.1 EXTENSIBLE HOST CONTROLLER ERROR PC#

I also tried plugging the SSD into the PC directly via PCiE and the SSD works fine, no errors, no system freezes. I tried the USB enclosure in a different PC with a USB 3.1 gen 2 port, and it works fine, no errors logged, and it gets close to 1,000 MB/S transfer speed. My desktop also has type A and C USB 3.0 ports (Intel USB 3.0 eXtensible controller) and everything works fine, no issues, except that the transfer speed is capped at the USB 3.0 limit of 5 Gbit/s (so real world 440 MB/S). I also got one BSOD the first time I plugged this thing into the USB/A 3.1 gen 2 port: stop code: system service exception When I am momentarily able to see the SSD, SMART data is showing incorrect information via the USB 3.1 port (it shows temps of 3000*C, incorrect symbols for information and 0 r/w usage and power count). The IO operation at logical block address 0x0 for Disk 4 (PDO name: \Device\000000a6) was retried. If I uninstall the USB enclosure and restart, the USB drive will occasionally work in the USB / C port, and register transfer speeds of close to 900 MB/S, but it has several issues when it works: (1) extended system freezes plus (2) the following error logged in event viewer: When this happens, the SSD is not usable. (Code 43) The USB device returned an invalid USB device descriptor. Windows has stopped this device because it has reported problems. I am getting several errors on both USB 3.1 gen 2 ports:Ī yellow exclamation point in device manager, under the controller, stating: The problems come up when connecting a USB mass storage device (Asus enclosure + Samsung M2 NVME) directly to the USB 3.1 gen 2 ports on the motherboard. The 3.1 host controller has the latest driver (1.662 - nov 2020) and also the latest firmware (mobo bios is out of date however). I have a desktop with two 3.1 (gen 2) ports one each of type A and C on an ASMedia host controller. HI, was hoping someone might be able to help me out.