Asus ROG MAXIMUS Z790 FORMULA ROG Z790 Series BIOS Manual English - Page 69

Acoustic Noise Settings, CPU C-states

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Acoustic Noise Settings The items in this submenu allow you to configure Acoustic Noise Settings for IA, GT, and SA domains. Acoustic Noise Mitigation Enabling this option will help mitigate acoustic noise on certain SKUs when the CPU is in deeper C state. Configuration options: [Disabled] [Enabled] The following items appear only when Acoustic Noise Mitigation is set to [Enabled]. Pre Wake Time Allows you to set the maximum Pre Wake randomization time in micro ticks. This is for acoustic noise mitigation Dynamic Periodicity Alteration (DPA) tuning. Use the or to adjust the value. Configuration options: [0] - [255] Ramp Up Time Allows you to set the maximum Ramp Up randomization time in micro ticks. This is for acoustic noise mitigation Dynamic Periodicity Alteration (DPA) tuning. Use the or to adjust the value. Configuration options: [0] - [255] Ramp Down Time Allows you to set the maximum Ramp Down randomization time in micro ticks. This is for acoustic noise mitigation Dynamic Periodicity Alteration (DPA) tuning. Use the or to adjust the value. Configuration options: [0] - [255] IA VR Domain Disable Fast PKG C State Ramp for IA Domain This option needs to be configured to reduce acoustic noise during deeper C states. [FALSE] Don't disable Fast ramp during deeper C states. [TRUE] Disable Fast ramp during deeper C state. Slow Slew Rate for IA Domain Set VR IA Slow Slew Rate for Deep Package C State ramp time; Slow slew rate equals to Fast divided by number, the number is 2, 4, 8 to slow down the slew rate to help minimize acoustic noise. Configuration options: [Fast/2] [Fast/4] [Fast/8] GT VR Domain Disable Fast PKG C State Ramp for GT Domain This option needs to be configured to reduce acoustic noise during deeper C states. [FALSE] Don't disable Fast ramp during deeper C states. [TRUE] Disable Fast ramp during deeper C state. Slow Slew Rate for GT Domain Set VR GT Slow Slew Rate for Deep Package C State ramp time; Slow slew rate equals to Fast divided by number, the number is 2, 4, 8 to slow down the slew rate to help minimize acoustic noise. Configuration options: [Fast/2] [Fast/4] [Fast/8] CPU C-states Allows you to enable or disable CPU Power Management. Allows CPU to go to C states when it's not 100% utilized. Configuration options: [Auto] [Disabled] [Enabled] ROG Z790 Series (Intel® 14th) BIOS Manual 69

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ROG Z790 Series (Intel
®
14
th
) BIOS Manual
69
Acoustic Noise Settings
The items in this submenu allow you to configure Acoustic Noise Settings for IA, GT,
and SA domains.
Acoustic Noise Mitigation
Enabling this option will help mitigate acoustic noise on certain SKUs when the CPU is in
deeper C state.
Configuration options: [Disabled] [Enabled]
The following items appear only when
Acoustic Noise Mitigation
is set to
[Enabled]
.
Pre Wake Time
Allows you to set the maximum Pre Wake randomization time in micro ticks. This is for
acoustic noise mitigation Dynamic Periodicity Alteration (DPA) tuning. Use the <+> or <->
to adjust the value.
Configuration options: [0] - [255]
Ramp Up Time
Allows you to set the maximum Ramp Up randomization time in micro ticks. This is for
acoustic noise mitigation Dynamic Periodicity Alteration (DPA) tuning. Use the <+> or <->
to adjust the value.
Configuration options: [0] - [255]
Ramp Down Time
Allows you to set the maximum Ramp Down randomization time in micro ticks. This is for
acoustic noise mitigation Dynamic Periodicity Alteration (DPA) tuning. Use the <+> or <->
to adjust the value.
Configuration options: [0] - [255]
IA VR Domain
Disable Fast PKG C State Ramp for IA Domain
This option needs to be configured to reduce acoustic noise during deeper C states.
[FALSE]
Don’t disable Fast ramp during deeper C states.
[TRUE]
Disable Fast ramp during deeper C state.
Slow Slew Rate for IA Domain
Set VR IA Slow Slew Rate for Deep Package C State ramp time; Slow slew rate equals
to Fast divided by number, the number is 2, 4, 8 to slow down the slew rate to help
minimize acoustic noise.
Configuration options: [Fast/2] [Fast/4] [Fast/8]
GT VR Domain
Disable Fast PKG C State Ramp for GT Domain
This option needs to be configured to reduce acoustic noise during deeper C states.
[FALSE]
Don’t disable Fast ramp during deeper C states.
[TRUE]
Disable Fast ramp during deeper C state.
Slow Slew Rate for GT Domain
Set VR GT Slow Slew Rate for Deep Package C State ramp time; Slow slew rate equals
to Fast divided by number, the number is 2, 4, 8 to slow down the slew rate to help
minimize acoustic noise.
Configuration options: [Fast/2] [Fast/4] [Fast/8]
CPU C-states
Allows you to enable or disable CPU Power Management. Allows CPU to go to C
states when it’s not 100% utilized.
Configuration options: [Auto] [Disabled] [Enabled]