User Manual
Table Of Contents
- 1.1 Knowing BIOS
- 1.2 BIOS setup program
- 1.3 My Favorites
- 1.4 Main menu
- 1.5 Extreme Tweaker menu
- 1.6 Advanced menu
- 1.6.1 Platform Misc Configuration
- 1.6.2 CPU Configuration
- 1.6.3 System Agent (SA) Configuration
- 1.6.4 PCH Configuration
- 1.6.5 PCH Storage Configuration
- 1.6.6 PCH-FW Configuration
- 1.6.7 Onboard Devices Configuration
- 1.6.8 APM Configuration
- 1.6.9 PCI Subsystem Settings
- 1.6.10 USB Configuration
- 1.6.11 Network Stack Configuration
- 1.6.12 NVMe Configuration
- 1.6.13 HDD/SSD SMART Information
- 1.7 Monitor menu
- 1.8 Boot menu
- 1.9 Tool menu
- 1.10 Exit menu
- 1.11 Updating BIOS

ROG MAXIMUS XI HERO (WI-FI) BIOS Manual
37
Tweaker’s Paradise
Realtime Memory Timing
This item allows you to enable or disable realtime memory timing.
Conguration options: [Enabled] [Disabled]
FCLK Frequency for Early Power On
This item allows you to set the FCLK Frequency for Early Power On.
Conguration options: [Auto] [Normal (800 MHz)] [1GHz] [400 MHz]
Initial BCLK Frequency
This item allows you to start overclocking the system from the initial BCLK (base clock)
frequency to the assigned BCLK frequency. Use the <+> or <-> to adjust the value.
BCLK Amplitude
This item allows you to set the magnitude of the base clock driven for the processor.
Conguration options: [Auto] [700mV] [800mV] [900mV] [1000mV]
BCLK Slew Rate
Conguration options: [Auto] [1.5V/ns] [2.5V/ns] [3.5V/ns] [4.5V/ns]
BCLK Spread Spectrum
This item allows you to reduce the EMI. Disable to get more accurate base clocks.
Conguration options: [Auto] [Disabled] [-0.22] [-0.34] [-0.46] [+0.12] [+0.22] [+0.28]
[+0.38] [+0.17]
BCLK Frequency Slew Rate
Conguration options: [Auto] [Disabled] [32us/MHz] [64us/MHz] [128us/MHz]
[512us/MHz]
DRAM VTT Voltage
Conguration options: [Auto] [0.50000] - [1.30000]
VPPDDR Voltage
Conguration options: [Auto] [2.10000] - [3.13500]
DMI Voltage
Conguration options: [Auto] [0.30000] - [1.90000]
Core PLL Voltage
Conguration options: [Auto] [0.70000] - [1.60000]
Internal PLL Voltage
Conguration options: [Auto] [0.900] - [1.845]
GT PLL Voltage
Conguration options: [Auto] [0.900] - [1.845]
Ring PLL Voltage
Conguration options: [Auto] [0.900] - [1.845]