ASROCK Z590M-ITX/ax User Manual page 66

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