Asus PRIME X399-A User Guide - Page 70

Main menu, 3.5 Ai Tweaker menu, Security, Ai Overclock Tuner, Custom CPU Core Ratio

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3.4 Main menu The Main menu screen appears when you enter the Advanced Mode of the BIOS Setup program. The Main menu provides you an overview of the basic system information, and allows you to set the system date, time, language, and security settings. Security The Security menu items allow you to change the system security settings. • If you have forgotten your BIOS password, erase the CMOS Real Time Clock (RTC) RAM to clear the BIOS password. See section 1.1.6 Jumpers, buttons and holes for information on how to erase the RTC RAM via the Clear CMOS button. • The Administrator or User Password items on top of the screen show the default [Not Installed]. After you set a password, these items show [Installed]. 3.5 Ai Tweaker menu The Extreme Tweaker menu items allow you to configure overclocking-related items. Be cautious when changing the settings of the Extreme Tweaker menu items. Incorrect field values can cause the system to malfunction The configuration options for this section vary depending on the CPU and DIMM model you installed on the motherboard. Ai Overclock Tuner Allows you to select the CPU overclocking options to achieve the desired CPU internal frequency. Configuration options: [Auto] Loads the optimal settings for the system. [Manual] Allows you to individually set overclocking parameters. [D.O.C.P.] Allows you to select a DRAM O.C. profile, and the related parameters will be adjusted automatically. The following items appear only when you set the Ai Overclock Tuner to [Manual]. BCLK Frequency This item allows you to set the BCLK (base clock) frequency to enhance the system performance. Use the or to adjust the value. We recommend you to set the value based on the CPU specification, as high BCLK frequencies may damage the CPU permanently. Custom CPU Core Ratio This item allows you to set a custom CPU core ratio. The CPU core ratio is calculated with the formula: 2 * FID / DID. Configuration options: [Auto] [Manual] The following items appear only when you set the Custom CPU Core Ratio to [Manual]. Chapter 3 3-12 Chapter 3: BIOS Setup

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3-12
Chapter 3: BIOS Setup
Chapter 3
3.4
Main menu
The Main menu screen appears when you enter the Advanced Mode of the BIOS Setup
program. The Main menu provides you an overview of the basic system information, and
allows you to set the system date, time, language, and security settings.
Security
The Security menu items allow you to change the system security settings.
•
If you have forgotten your BIOS password, erase the CMOS Real Time Clock (RTC)
RAM to clear the BIOS password. See section
1.1.6 Jumpers, buttons and holes
for
information on how to erase the RTC RAM via the Clear CMOS button.
•
The Administrator or User Password items on top of the screen show the default
[Not
Installed]
. After you set a password, these items show
[Installed]
.
3.5
Ai Tweaker menu
The Extreme Tweaker menu items allow you to configure overclocking-related items.
Be cautious when changing the settings of the Extreme Tweaker menu items. Incorrect
field values can cause the system to malfunction
The configuration options for this section vary depending on the CPU and DIMM model you
installed on the motherboard.
Ai Overclock Tuner
Allows you to select the CPU overclocking options to achieve the desired CPU internal
frequency. Configuration options:
[Auto]
Loads the optimal settings for the system.
[Manual]
Allows you to individually set overclocking parameters.
[D.O.C.P.]
Allows you to select a DRAM O.C. profile, and the related parameters will
be adjusted automatically.
T
he following items appear only when you set the Ai Overclock Tuner to
[Manual]
.
BCLK Frequency
This item allows you to set the BCLK (base clock) frequency to enhance the system
performance. Use the <+> or <-> to adjust the value.
We recommend you to set the value based on the CPU specification, as high BCLK
frequencies may damage the CPU permanently.
Custom CPU Core Ratio
This item allows you to set a custom CPU core ratio. The CPU core ratio is calculated with
the formula: 2 * FID / DID. Configuration options: [Auto] [Manual]
The following items appear only when you set the
Custom CPU Core Ratio
to
[Manual]
.