9. General device requirements
| Required |
Legacy Serial Port Requirements
10. 16550 UART (or equivalent) with support for 115.2K baud
| Required |
11. Flexible resource configuration and dynamic disable
| Required |
12. Conflict resolution ensures availability of at least one serial port
| Required |
Requirements for Other Serial Port Implementations
13. Serial port complies with device-class specifications for its bus
| Required |