ASROCK H410M-H/M.2 SE User Manual page 50

RTL Init Value
Configure round trip latency init value for round trip latency training.
IO-L Init Value
Configure IO latency init value for IO latency training.
RTL (CH A)
Configure round trip latency for channel A.
RTL (CH B)
Configure round trip latency for channel B.
IO-L (CH A)
Configure IO latency for channel A.
IO-L (CH B)
Configure IO latency for channel B.
IO-L Offset (CH A)
Configure IO latency offset for channel A.
IO-L Offset (CH B)
Configure IO latency offset for channel B.
RFR Delay (CH A)
Configure RFR Delay for Channel A.
RFR Delay (CH B)
Configure RFR Delay for Channel B.
ODT Setting
ODT WR (A1)
Configure the memory on die termination resistors' WR for channel A1.
ODT WR (B1)
Configure the memory on die termination resistors' WR for channel B1.
ODT NOM (A1)
Use this to change ODT (CH A1) Auto/Manual settings. The default is [Auto].
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