Asus Prime Z270-A Series Bios Manual page 26

IO Latency RFR delay
Third Timings
tRDRD_sg
Configuration options: [Auto] [0] - [63]
tRDRD_dg
Configuration options: [Auto] [0] - [63]
tRDWR_sg
Configuration options: [Auto] [0] - [63]
tRDWR_dg
Configuration options: [Auto] [0] - [63]
tWRWR_sg
Configuration options: [Auto] [0] - [63]
tWRWR_dg
Configuration options: [Auto] [0] - [63]
tWRRD_sg
Configuration options: [Auto] [0] - [127]
tWRRD_dg
Configuration options: [Auto] [0] - [63]
tRDRD_dr
Configuration options: [Auto] [0] - [63]
tRDRD_dd
Configuration options: [Auto] [0] - [63]
tRDWR_dr
Configuration options: [Auto] [0] - [63]
tRDWR_dd
Configuration options: [Auto] [0] - [63]
tWRWR_dr
Configuration options: [Auto] [0] - [63]
tWRWR_dd
Configuration options: [Auto] [0] - [63]
tWRRD_dr
Configuration options: [Auto] [0] - [63]
26
CHA RFR delay
Configuration options: [Auto] [0] - [127]
CHB RFR delay
Configuration options: [Auto] [0] - [127]
ASUS PRIME Z270-A/AR Series BIOS Manual