Computer Hardware User Manual
Table Of Contents
- Safety information
- Chapter 1: Product Introduction
- Chapter 2: Basic installation
- Chapter 3: BIOS setup
- Chapter 4: Software support
- 4.1 Installing an operating system
- 4.2 Support DVD information
- 4.3 Software information
- 4.3.1 AI Suite 3
- 4.3.2 Dual Intelligent Processors 4
- 4.3.3 EPU
- 4.3.4 DIGI+ Power Control
- 4.3.5 Fan Xpert 2
- 4.3.6 USB 3.0 Boost
- 4.3.7 Network iControl
- 4.3.8 USB BIOS Flashback
- 4.3.9 Ai Charger+
- 4.3.10 EZ Update
- 4.3.11 USB Charger+
- 4.3.12 System Information
- 4.3.13 ASUS SSD Caching II
- 4.3.14 Audio configurations
- 4.3.15 ASUS Dr. Power Utility
- Chapter 5: RAID support
- Chapter 6: Multiple GPU support
- Appendices

ASUS Z87-WS
3-11
Chapter 3
If you assign a value for 2-Core Ratio Limit, do not set the 1-Core Ratio Limit to [Auto].
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].
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.
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.
Internal PLL Overvoltage [Auto]
Allows you to enable the internal PLL Overvoltage for K-SKU CPUs to get the extreme
overclocking capability.
Conguration options: [Auto] [Enabled] [Disabled]
CPU bus speed : DRAM speed ratio mode [Auto]
Allows you to set the CPU bus speed to DRAM speed ratio mode.
[Auto] DRAM speed is set to the optimized settings.
[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.
Memory Frequency [Auto]
Allows you to set the memory operating frequency. The conguration options vary with the
BCLK/PCIE Frequency item settings.
CPU Graphics Max. Ratio [Auto]
[Auto] Allows you to automatically optimize the CPU Graphics Ratio depending on
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.