Asus ROG STRIX Z490-E Manual page 27

Rank Margin Tool
Configuration options: [Auto] [Enabled] [Disabled] [Minimal]
Margin Check Limit
Checks Margin to Limit to see if next boot memory needs to be retrained.
Configuration options: [Disabled] [L1] [L2] [Both]
The following item appears only when Margin Check Limit is set to [L2] or [Both].
Margin Limit Check L2
L2 check threshold is scale of L1 check.
Configuration options: [1] - [300]
Memory Test
Configuration options: [Enabled] [Disabled]
DIMM SPD Alias Test
Configuration options: [Auto] [Enabled] [Disabled]
Receive Enable Centering 1D
Configuration options: [Auto] [Enabled] [Disabled]
Retrain Margin Check
Configuration options: [Enabled] [Disabled]
CMD Drive Strength and Tx Equalization
Configuration options: [Auto] [Enabled] [Disabled]
CMD Slew Rate Training
Configuration options: [Auto] [Enabled] [Disabled]
Write Drive Strength Up/Dn independently
Configuration options: [Enabled] [Disabled]
Third Timings
tRDRD_sg_Training
Configuration options: [Auto] [0] - [63]
tRDRD_sg_Runtime
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]
ROG STRIX Z490-E BIOS Manual 27