Asus Z370-I with onboard ASM3142 controller

Has anyone got this controller to work with JBOD enclosure on Catalina? I have correct USB mapping and have no problems with USB sticks plugged in to gen2 port. However, when I plug in gen2 4xHDD enclosure it only detects single drive. When I plug it in to another port (usb3.1gen1) it detects all drives just fine. It seems like there is no multiport support for JBOD, but when I go to System Report>USB it shows 4 USB3.1 Bridges with speed of 10Gb each, which indicates the multiport is...

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Author: chopperpl