Solved please delete.
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Hello Guest. Before you post check the Troubleshooting guide here, Dortania Troubleshooting
According to the specifications page for your MSI motherboard you should have a maximum of 17 ports active in your USB configuration. The ports are as listed below.
Rear I/O plate with 2 x USB2 ports highlighted.
You would probably be better served using SSDT-EC-USBX-AMD.aml table in place of the other/similar named tables you have mentioned. Copy attached below.
For the initial macOS installation you don't need to add any other ACPI tables (SSDTs) for your B450 system.
AMD- Chipset
- 2 x USB 3.1 Gen 1 (SuperSpeed USB 5Gbps) Type-A ports on the back panel
- 4 x USB 2.0 (High-speed USB) ports (2 Type-A ports on the back panel, 2 ports available through the internal USB 2.0 connector)
- 1 x Internal USB2.0 port served through the M.2 WiFi connector, used by the bluetooth module.
AMD - CPU
- 4x USB 3.1 Gen 1 (SuperSpeed USB) ports (2 Type-A ports on the back panel, 2 ports available through the internal USB 3.1 Gen 1 connector)
Rear I/O plate with 2 x USB2 ports highlighted.You would probably be better served using SSDT-EC-USBX-AMD.aml table in place of the other/similar named tables you have mentioned. Copy attached below.
For the initial macOS installation you don't need to add any other ACPI tables (SSDTs) for your B450 system.
