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<< Solved >> USB 2.0/3.0/3.1 Fix

Worked for me on ROG Strix Z370-F Gaming!
 
View attachment 429271

Code:
        <key>KextsToPatch</key>
        <array>
            <dict>
                <key>Comment</key>
                <string>USB Port Limit Patch 1 - PMheart and daliansky</string>
                <key>Find</key>
                <data>
                g/sPDw==
                </data>
                <key>InfoPlistPatch</key>
                <false/>
                <key>Name</key>
                <string>com.apple.iokit.IOUSBHostFamily</string>
                <key>Replace</key>
                <data>
                g/s/Dw==
                </data>
            </dict>
            <dict>
                <key>Comment</key>
                <string>USB Port Limit Patch 2 - PMheart and daliansky</string>
                <key>Find</key>
                <data>
                g/kPDw==
                </data>
                <key>InfoPlistPatch</key>
                <false/>
                <key>Name</key>
                <string>com.apple.driver.usb.AppleUSBXHCI</string>
                <key>Replace</key>
                <data>
                g/k/Dw==
                </data>
            </dict>
        </array>
    </dict>

Is this needed, when using a custom SSDT?
 
Hello.... it works on my Z390 M Gaming motherboard..... Even though I was using a custom USB DSDT since Mojave, USB drives were not automatically mounted with Catalina when they are connected on USB 3 ports.

Strange... I have the same mobo. Works here. Do you want to try my DSDT file?
 
Mapping USB ports properly to get rid of all dummy ports and have a proper map, just avoids ever having USB issues again. Basically just get a USB 2.0 and 3.0 flash drive, while using port patch, plug each one to every port with hackintool or another tool open. write down ID of all ports. When done, all ports you didn't see, that have 2.0 and 3.0 IDs, are dummies that should be perma disabled. Map the ports that actually exist and you'll never need a port limit patch because you'll never be over the port limit.
 
After upgrading to 10.15.1 USB3.0 stopped detecting flash drive 3.0, flash drive 2.0 sees.
 
Hmmm . . . my USB 3.0 port doesn't work as 3.0 in Catalina. Everything works fine as 2.0. Suggestions?
Screen Shot 2019-11-02 at 1.43.17 AM.png
 
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