ASROCK Z490 AQUA User Manual page 100

Z490 AQUA
ODT NOM (A2)
Use this to change ODT (CH A2) 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 NOM (B2)
Use this to change ODT (CH B2) Auto/Manual settings. The default is [Auto].
ODT PARK (A1)
Configure the memory on die termination resistors' PARK for channel A1.
ODT PARK (A2)
Configure the memory on die termination resistors' PARK for channel A2.
ODT PARK (B1)
Configure the memory on die termination resistors' PARK for channel B1.
ODT PARK (B2)
Configure the memory on die termination resistors' PARK for channel B2.
COMP Setting
RCOMP0: DQ ODT (Read)
Default is 121.
RCOMP1: DQ /CLK Ron (Drive Strength)
Default is 75.
RCOMP2: CMD/CTL Ron (Drive Strength)
Default is 100.
Advanced Setting
ASRock Timing Optimization
Configure the fast path through the MRC.
Realtime Memory Timing
Configure the realtime memory timings.
[Enabled] The system will allow performing realtime memory timing changes after
MRC_DONE.
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