ASROCK H570 STEEL LEGEND User Manual page 76

RTL (A1 Rank1)
Configure round trip latency.
RTL (A1 Rank2)
Configure round trip latency.
RTL (A2 Rank1)
Configure round trip latency.
RTL (A2 Rank2)
Configure round trip latency.
RTL (B1 Rank1)
Configure round trip latency.
RTL (B1 Rank2)
Configure round trip latency.
RTL (B2 Rank1)
Configure round trip latency.
RTL (B2 Rank2)
Configure round trip latency.
ODT Setting
ODT WR (A1)
Configure the memory on die termination resistors' WR for channel A1.
ODT WR (A2)
Configure the memory on die termination resistors' WR for channel A2.
ODT WR (B1)
Configure the memory on die termination resistors' WR for channel B1.
ODT WR (B2)
Configure the memory on die termination resistors' WR for channel B2.
ODT NOM (A1)
Use this to change ODT (CH A1) Auto/Manual settings. The default is [Auto].
68