ASROCK Z690D4U-2L2T User Manual page 101

Z690D4U / W680D4U Series
flow. Once the buffers are empty, a "start" signal can be sent to restart the flow. Hardware
flow uses two wires to send start/stop signals. The options include [None], [Hardware RTS/
CTS], and [Software Xon/Xoff].
Data Bits EMS
Parity EMS
Stop Bits EMS
93