ASRock H510M-HDV/M.2 SE Software/BIOS Setup Guide - Page 30

Third Timing, tREFI, Turn Around Timing, Turn Around Timing Optimization, tRDRD_sg

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Page 30 highlights

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. Configuration options: [Auto] [Enabled] [Disabled] tRDRD_sg Configure between module read to read delay. Configuration options: [Auto] [0] - [127] tRDRD_dg Configure between module read to read delay. Configuration options: [Auto] [0] - [127] tRDRD_dr Configure between module read to read delay. Configuration options: [Auto] [0] - [255] tRDRD_dd Configure between module read to read delay. Configuration options: [Auto] [0] - [255] tRDWR_sg Configure between module read to write delay. Configuration options: [Auto] [0] - [255] tRDWR_dg Configure between module read to write delay. Configuration options: [Auto] [0] - [255] 26

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26
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.
Configuration options: [Auto] [Enabled] [Disabled]
tRDRD_sg
Configure between module read to read delay.
Configuration options: [Auto] [0] - [127]
tRDRD_dg
Configure between module read to read delay.
Configuration options: [Auto] [0] - [127]
tRDRD_dr
Configure between module read to read delay.
Configuration options: [Auto] [0] - [255]
tRDRD_dd
Configure between module read to read delay.
Configuration options: [Auto] [0] - [255]
tRDWR_sg
Configure between module read to write delay.
Configuration options: [Auto] [0] - [255]
tRDWR_dg
Configure between module read to write delay.
Configuration options: [Auto] [0] - [255]