After several tries, I managed to get it started,
I eliminated in config.plist---- ACPI------patch : this
<key>Base</key>
<string></string>
<key>BaseSkip</key>
<integer>0</integer>
<key>Comment</key>
<string>RTC _STA</string>
<key>Count</key>
<integer>0</integer>
<key>Enabled</key>
<true/>
<key>Find</key>
<data>oAqTU1RBUwE=</data>
<key>Limit</key>
<integer>0</integer>
<key>Mask</key>
<data></data>
<key>OemTableId</key>
<data></data>
<key>Replace</key>
<data>oAqRCv8L//8=</data>
<key>ReplaceMask</key>
<data></data>
<key>Skip</key>
<integer>0</integer>
<key>TableLength</key>
<integer>0</integer>
<key>TableSignature</key>
<data>RFNEVA==</data>
</dict>
<dict>
<key>Base</key>
<string></string>
<key>BaseSkip</key>
<integer>0</integer>
<key>Comment</key>
<string>EUSB to EH01</string>
<key>Count</key>
<integer>0</integer>
<key>Enabled</key>
<true/>
<key>Find</key>
<data>RVVTQg==</data>
<key>Limit</key>
<integer>0</integer>
<key>Mask</key>
<data></data>
<key>OemTableId</key>
<data></data>
<key>Replace</key>
<data>RUgwMQ==</data>
<key>ReplaceMask</key>
<data></data>
<key>Skip</key>
<integer>0</integer>
<key>TableLength</key>
<integer>0</integer>
<key>TableSignature</key>
<data></data>
</dict>
<dict>
<key>Base</key>
<string></string>
<key>BaseSkip</key>
<integer>0</integer>
<key>Comment</key>
<string>USBE to EH02</string>
<key>Count</key>
<integer>0</integer>
<key>Enabled</key>
<true/>
<key>Find</key>
<data>VVNCRQ==</data>
<key>Limit</key>
<integer>0</integer>
<key>Mask</key>
<data></data>
<key>OemTableId</key>
<data></data>
<key>Replace</key>
<data>RUgwMg==</data>
<key>ReplaceMask</key>
<data></data>
<key>Skip</key>
<integer>0</integer>
<key>TableLength</key>
<integer>0</integer>
<key>TableSignature</key>
<data></data>
</dict>
<dict>
<key>Base</key>
<string></string>
<key>BaseSkip</key>
<integer>0</integer>
<key>Comment</key>
<string>CUU0</string>
<key>Count</key>
<integer>0</integer>
<key>Enabled</key>
<true/>
<key>Find</key>
<data>cA1DUFVTQ0swAENVVTA=</data>
<key>Limit</key>
<integer>0</integer>
<key>Mask</key>
<data></data>
<key>OemTableId</key>
<data></data>
<key>Replace</key>
<data>AAAAAAAAAAAAAAAAAAA=</data>
<key>ReplaceMask</key>
<data></data>
<key>Skip</key>
<integer>0</integer>
<key>TableLength</key>
<integer>0</integer>
<key>TableSignature</key>
<data>RFNEVA==</data>
</dict>
<dict>
<key>Base</key>
<string></string>
<key>BaseSkip</key>
<integer>0</integer>
<key>Comment</key>
<string>CUU1</string>
<key>Count</key>
<integer>0</integer>
<key>Enabled</key>
<true/>
<key>Find</key>
<data>cA1DUFVTQ0sxAENVVTE=</data>
<key>Limit</key>
<integer>0</integer>
<key>Mask</key>
<data></data>
<key>OemTableId</key>
<data></data>
<key>Replace</key>
<data>AAAAAAAAAAAAAAAAAAA=</data>
<key>ReplaceMask</key>
<data></data>
<key>Skip</key>
<integer>0</integer>
<key>TableLength</key>
<integer>0</integer>
<key>TableSignature</key>
<data>RFNEVA==</data>
</dict>
<dict>
<key>Base</key>
<string></string>
<key>BaseSkip</key>
<integer>0</integer>
<key>Comment</key>
<string>CUU2</string>
<key>Count</key>
<integer>0</integer>
<key>Enabled</key>
<true/>
<key>Find</key>
<data>cA1DUFVTQ0syAENVVTI=</data>
<key>Limit</key>
<integer>0</integer>
<key>Mask</key>
<data></data>
<key>OemTableId</key>
<data></data>
<key>Replace</key>
<data>AAAAAAAAAAAAAAAAAAA=</data>
<key>ReplaceMask</key>
<data></data>
<key>Skip</key>
<integer>0</integer>
<key>TableLength</key>
<integer>0</integer>
<key>TableSignature</key>
<data>RFNEVA==</data>
</dict>
<dict>
<key>Base</key>
<string></string>
<key>BaseSkip</key>
<integer>0</integer>
<key>Comment</key>
<string>CUU3</string>
<key>Count</key>
<integer>0</integer>
<key>Enabled</key>
<true/>
<key>Find</key>
<data>cA1DUFVTQ0szAENVVTM=</data>
<key>Limit</key>
<integer>0</integer>
<key>Mask</key>
<data></data>
<key>OemTableId</key>
<data></data>
<key>Replace</key>
<data>AAAAAAAAAAAAAAAAAAA=</data>
<key>ReplaceMask</key>
<data></data>
<key>Skip</key>
<integer>0</integer>
<key>TableLength</key>
<integer>0</integer>
<key>TableSignature</key>
<data>RFNEVA==</data>
</dict>
and putting usbmap and usbtool worked fine...
I managed to install Catalina.
Now work :audio, mouse, keyboard, Lan.
How do I go about configuring an Nvidia Quadro k2200 ? Thank you .