ASROCK W480M WS User Manual page 54

tRDWR_dg
Configure between module read to write delay.
tRDWR_dr
Configure between module read to write delay.
tRDWR_dd
Configure between module read to write delay.
tWRRD_sg
Configure between module write to read delay.
tWRRD_dg
Configure between module write to read delay.
tWRRD_dr
Configure between module write to read delay.
tWRRD_dd
Configure between module write to read delay.
tWRWR_sg
Configure between module write to write delay.
tWRWR_dg
Configure between module write to write delay.
tWRWR_dr
Configure between module write to write delay.
tWRWR_dd
Configure between module write to write delay.
Round Trip Timing
Round Trip Timing Optimization
Round Trip Timing Optimization. Auto is enabled in general case.
46