Asus Z87A Computer Hardware User Manual


 
Chapter 2: BIOS information
2-15
3-Core Ratio Limit [Auto]
Select [Auto] to apply the CPU default Turbo Ratio setting or manually assign a 3-Core Limit
value that must be higher than or equal to the 4-Core Ratio Limit.
If you assign a value for 3-Core Ratio Limit, do not set the 1-Core Ratio Limit and 2-Core
Ratio Limit to [Auto].
4-Core Ratio Limit [Auto]
Select [Auto] to apply the CPU default Turbo Ratio setting or manually assign a 4-Core Limit
value that must be higher than or equal to the 3-Core Ratio Limit.
If you assign a value for 4-Core Ratio Limit, do not set the 1-Core Ratio Limit, 2-Core Ratio
Limit, and 3-Core Ratio to [Auto].
2.5.4 Min CPU Cache Ratio [Auto]
Allows you to set the minimum possible ratio on the Uncore part of the processor. Use the
<+> or <-> keys to adjust the value. The values depend on the CPU installed.The values depend on the CPU installed.
2.5.5 Max CPU Cache Ratio [Auto]
Allows you to set the maximum possible ratio on the Uncore part of the processor. Use the
<+> or <-> keys to adjust the value. The values depend on the CPU installed.The values depend on the CPU installed.
2.5.6 Internal PLL Overvoltage [Auto]
Allows you to enable the internal PLL Overvoltage for K-SKU CPUs to get the extreme
overclocking capability.

2.5.7 CPU bus speed : DRAM speed ratio mode [Auto]
Allows you to set the CPU bus speed to DRAM speed ratio mode.
 
[100:133] The CPU bus speed to DRAM speed ratio is set to 100:133.
[100:100] The CPU bus speed to DRAM speed ratio is set to 100:100.
2.5.8 Memory Frequency [Auto]

BCLK/PCIE Frequency item settings.
2.5.9 CPU Graphics Max. Ratio [Auto]
 
the system loading.
[Manual] Allows you to set a value for an optimal CPU Grapics Ratio. Use the <+> or
<-> keys to adjust the CPU graphics ratio. The minimum value depends on
the installed CPU.