User Manual
PRIME X399-A BIOS Manual
19
TPU
This item allows you to automatically overclock the CPU and DRAM frequencies and voltage
for an enhanced system performance.
[Keep Current Settings] Keep the current settings without changing anything.
[TPU I] Applies air cooling overclocking conditions.
[TPU II] Applies water cooling overclocking conditions.
Ensure to use water cooling device before selecting [TPU II].
DRAM Timing Control
The sub-items in this menu allow you to set the DRAM timing control features. Use the
<+> and <-> keys to adjust the value. To restore the default setting, type [auto] using the
keyboard and press the <Enter> key.
Changing the values in this menu may cause the system to become unstable! If this
happens, revert to the default settings.
Memory Presets
Select this item to load presets for different memory modules.
DRAM Timing Control After Training
Displays all the DRAM parameters after training. Use the <+> and <-> keys to adjust the
value. To restore the default setting, type [auto] using the keyboard and press the <Enter>
key.
Mem Over Clock Fail Count
Use the <+> and <-> keys to adjust the value. To restore the default setting, type [auto] using
the keyboard and press the <Enter> key.
Primary Timings
DRAM CAS# Latency
Conguration options: [Auto] [0]
DRAM RAS# to CAS# Read Delay
Conguration options: [Auto] [1] – [255]
DRAM RAS# to CAS# Write Delay
Conguration options: [Auto] [1] – [255]
DRAM RAS# PRE Time
Conguration options: [Auto] [0]
DRAM RAS# ACT Time
Conguration options: [Auto] [0]
Trc
Conguration options: [Auto] [29] ~ [135]