User Manual

ASUS TUF Z270 MARK 2 BIOS Manual

1-Core Ratio Limit

Congure the 1-Core Ratio Limit value that must be higher than or equal to the 2-Core

Ratio Limit.

2-Core Ratio Limit

Congure the 2-Core Ratio Limit value that must be higher than or equal to the 3-Core

Ratio Limit. The 1-Core Ratio Limit must not be set to [Auto].

3-Core Ratio Limit

Congure the 3-Core Ratio Limit value that must be higher than or equal to the 4-Core

Ratio Limit. The 1-Core and 2-Core Ratio Limit must not be set to [Auto].

4-Core Ratio Limit

Congure the 4-Core Ratio Limit value that must be higher than or equal to the 5-Core

Ratio Limit. The 1-Core, 2-Core, and 3-Core Ratio Limit must not be set to [Auto].

BCLK Frequency : DRAM Frequency Ratio

[Auto] The BCLK frequency to DRAM frequency ratio will be set to the optimized

setting.

[100:133] The BCLK frequency to DRAM frequency ratio will be set to 100:133.

[100:100] The BCLK frequency to DRAM frequency ratio will be set to 100:100.

DRAM Odd Ratio Mode

This item allows you to enable or disable availability of odd DRAM ratios for improved

granularity.

Conguration options: [Enabled] [Disabled]

DRAM Frequency

This item allows you to set the memory operating frequency. The congurable options vary

with the BCLK (base clock) frequency setting. Select the auto mode to apply the optimized

setting.

Conguration options: [Auto] [DDR4-800MHz] - [DDR4-4266MHz]

OC Tuner

This item allows you to automatically overclock the CPU and DRAM frequencies and voltage

for an enhanced system performance.

Conguration options: [Keep Current Settings] [OC Tuner I] [OC Tuner II]

Ensure to install an efcient CPU fan for the CPU and graphics tuning before selecting the

Ratio Tuning or BCLK + Ratio Tuning mode.