ASRock Z590 Phantom Gaming 4/ac User Manual - Page 74

CAS Write Latency tCWL, Four Activate Window tFAW

Page 74 highlights

Read to Precharge (tRTP) The number of clocks that are inserted between a read command to a row precharge command to the same rank. Four Activate Window (tFAW) The time window in which four activates are allowed the same rank. CAS Write Latency (tCWL) Configure CAS Write Latency. Third Timing tREFI Configure refresh cycles at an average periodic interval. tCKE Configure the period of time the DDR4 initiates a minimum of one refresh command internally once it enters Self-Refresh mode. Turn Around Timing Turn Around Timing Optimization Auto is enabled in general case. tRDRD_sg Configure between module read to read delay. tRDRD_dg Configure between module read to read delay. tRDRD_dr Configure between module read to read delay. tRDRD_dd Configure between module read to read delay. tRDWR_sg Configure between module read to write delay. tRDWR_dg Configure between module read to write delay. 66 English

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66
English
Read to Precharge (tRTP)
°e number of clocks that are inserted between a read command to a row pre-
charge command to the same rank.
Four Activate Window (tFAW)
°e time window in which four activates are allowed the same rank.
CAS Write Latency (tCWL)
Configure CAS Write Latency.
Third Timing
tREFI
Configure refresh cycles at an average periodic interval.
tCKE
Configure the period of time the DDR4 initiates a minimum of one refresh
command internally once it enters Self-Refresh mode.
Turn Around Timing
Turn Around Timing Optimization
Auto is enabled in general case.
tRDRD_sg
Configure between module read to read delay.
tRDRD_dg
Configure between module read to read delay.
tRDRD_dr
Configure between module read to read delay.
tRDRD_dd
Configure between module read to read delay.
tRDWR_sg
Configure between module read to write delay.
tRDWR_dg
Configure between module read to write delay.