User Manual

ROG STRIX Z790 Series (Intel
®
14
th
) BIOS Manual
29
Primary Timings
DRAM CAS# Latency
Only Even numbers are supported on DDR5. Odd numbers will be rounded up.
Configuration options: [Auto] [2] - [66]
DRAM RAS# to CAS# Delay Read
Configuration options: [Auto] [0] - [255]
DRAM RAS# to CAS# Delay Write
Configuration options: [Auto] [0] - [255]
DRAM RAS# PRE Time
Configuration options: [Auto] [0] - [255]
DRAM RAS# ACT Time
Configuration options: [Auto] [1] - [511]
DRAM Command Rate
Configuration options: [Auto] [1N] [2N] [3N] [N:1]
The following item appears only when DRAM Command Rate is set to [N:1].
N to 1 ratio
Number of bubbles between each valid command cycle.
Configurations: [1] - [7]
Secondary Timings
DRAM RAS# to RAS# Delay L
Configuration options: [Auto] [1] - [63]
DRAM RAS# to RAS# Delay S
Configuration options: [Auto] [1] - [127]
DRAM REF Cycle Time 2
Configuration options: [Auto] [1] - [65535]
DRAM REF Cycle Time Same Bank
Configuration options: [Auto] [0] - [2047]
DRAM Refresh Interval
Configuration options: [Auto] [1] - [262143]
DRAM WRITE Recovery Time
Configuration options: [Auto] [1] - [234]
DRAM READ to PRE Time
Configuration options: [Auto] [1] - [255]
DRAM FOUR ACT WIN Time
Configuration options: [Auto] [1] - [511]
DRAM WRITE to READ Delay L
Configuration options: [Auto] [1] - [31]
DRAM WRITE to READ Delay S
Configuration options: [Auto] [1] - [31]