ASROCK H87 Pro4 User Manual page 66

tCKE
Configure the period of time the DDR3 initiates a minimum of one refresh
command internally once it enters Self-Refresh mode.
tRDRD
Configure between module read to read delay.
tRDRDDR
Configure between module read to read delay from different ranks.
tRDRDDD
Use this to change DRAM tRWSR Auto/Manual settings. The default is [Auto].
tWRRD
Configure between module write to read delay.
tWRRDDR
Configure between module write to read delay from different ranks.
tWRRDDD
Use this to change DRAM tRRSR Auto/Manual settings. The default is [Auto].
Configure between module write to read delay from different DIMMs.
tWRWR
Configure between module write to write delay.
tWRWRDR
Configure between module write to write delay from different ranks.
tWRWRDD
Configure between module write to write delay from different DIMMs.
tRDWR
Configure between module read to write delay.
tRDWRDR
Configure between module read to write delay from different ranks.
tRDWRDD
Configure between module read to write delay from different DIMMs.
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