User Guide
Page 21
... into one software offers diverse and easy to use software package. Chapter 1 ASUS Z87-WS 1-5 It allows you to regularly check for about three seconds, and the UEFI BIOS is powered off, in -one simple-to-use features with smart ... all your ultimate convenience. USB BIOS Flashback USB BIOS Flashback offers a hassle-free updating solution for any user interaction. It also allows you to supervise overclocking, energy management, fan speed control, voltage and sensor readings, and even interact with no need for your smart devices such as smartphones, tablets and more...
... into one software offers diverse and easy to use software package. Chapter 1 ASUS Z87-WS 1-5 It allows you to regularly check for about three seconds, and the UEFI BIOS is powered off, in -one simple-to-use features with smart ... all your ultimate convenience. USB BIOS Flashback USB BIOS Flashback offers a hassle-free updating solution for any user interaction. It also allows you to supervise overclocking, energy management, fan speed control, voltage and sensor readings, and even interact with no need for your smart devices such as smartphones, tablets and more...
User Guide
Page 29
...a full memory load (4 DIMMs) or overclocking condition. • Memory modules with the same CAS Latency. The stability and compatibility of 3GB system memory if you install 4GB or more memory on the motherboard. Chapter 1 ASUS Z87-WS 1-13 Under the default state, some ...memory modules for the dual-channel configuration. For optimum compatibility, we recommend that you install memory modules of the lower-sized channel for overclocking may install varying memory sizes in Megabit,...
...a full memory load (4 DIMMs) or overclocking condition. • Memory modules with the same CAS Latency. The stability and compatibility of 3GB system memory if you install 4GB or more memory on the motherboard. Chapter 1 ASUS Z87-WS 1-13 Under the default state, some ...memory modules for the dual-channel configuration. For optimum compatibility, we recommend that you install memory modules of the lower-sized channel for overclocking may install varying memory sizes in Megabit,...
User Guide
Page 33
... Utility then enable this switch to allow you to power up or wake up when the system is ideal for overclockers and gamers who continually change settings to enhance system performance. 1. Chapter 1 ASUS Z87-WS 1-17 Power-on button The motherboard comes with your Windows screen if a problem is detected with a power-on button...
... Utility then enable this switch to allow you to power up or wake up when the system is ideal for overclockers and gamers who continually change settings to enhance system performance. 1. Chapter 1 ASUS Z87-WS 1-17 Power-on button The motherboard comes with your Windows screen if a problem is detected with a power-on button...
User Guide
Page 34
... up when the DIMM is tested. If the installed DIMMs still fail to switch lights continuously. to boot after turning on the ASUS website at www.asus.com after using the MemOK! The blinking speed of the DRAM_LED increases, indicating different test processes. • Due to section 1.2.8...starts blinking to begin automatic memory compatibility tuning for the exact location of the DRAM_LED. • The DRAM_LED also lights up due to BIOS overclocking, press the MemOK! switch to test one set of failsafe settings. function. • The MemOK! If the test fails, the system reboots...
... up when the DIMM is tested. If the installed DIMMs still fail to switch lights continuously. to boot after turning on the ASUS website at www.asus.com after using the MemOK! The blinking speed of the DRAM_LED increases, indicating different test processes. • Due to section 1.2.8...starts blinking to begin automatic memory compatibility tuning for the exact location of the DRAM_LED. • The DRAM_LED also lights up due to BIOS overclocking, press the MemOK! switch to test one set of failsafe settings. function. • The MemOK! If the test fails, the system reboots...
User Guide
Page 37
... switch Enable this switch under a Windows® OS environment, the EPU function will use the last setting you enable this switch to overclocking. Clear CMOS button Press the Clear CMOS switch to clear BIOS setup information only when the system hangs due to automatically detect the current... at the same time. 6. Refer to section 1.2.7 Onboard LEDs for the exact location of the EPU LED. • If you have made. 7. Chapter 1 ASUS Z87-WS 1-21 Enable this switch when the system is powered off. • The EPU LED (OLED2) near the EPU switch lights up when the EPU switch...
... switch Enable this switch under a Windows® OS environment, the EPU function will use the last setting you enable this switch to overclocking. Clear CMOS button Press the Clear CMOS switch to clear BIOS setup information only when the system hangs due to automatically detect the current... at the same time. 6. Refer to section 1.2.7 Onboard LEDs for the exact location of the EPU LED. • If you have made. 7. Chapter 1 ASUS Z87-WS 1-21 Enable this switch when the system is powered off. • The EPU LED (OLED2) near the EPU switch lights up when the EPU switch...
User Guide
Page 53
...use a power supply unit (PSU) that you want to the Recommended Power Supply Wattage Calculator at http://support.asus.com/PowerSupplyCalculator/PSCalculator.aspx?SLanguage=enus ASUS Z87-WS 1-37 Chapter 1 The system may become unstable or may not boot up if the power is inadequate. ...• If you use a PSU with a higher power output when configuring a system with more high-end PCI Express x16 cards, use an EATX12V power connector to increase power efficiency when you overclock...
...use a power supply unit (PSU) that you want to the Recommended Power Supply Wattage Calculator at http://support.asus.com/PowerSupplyCalculator/PSCalculator.aspx?SLanguage=enus ASUS Z87-WS 1-37 Chapter 1 The system may become unstable or may not boot up if the power is inadequate. ...• If you use a PSU with a higher power output when configuring a system with more high-end PCI Express x16 cards, use an EATX12V power connector to increase power efficiency when you overclock...
User Guide
Page 75
... it as Z87WS.CAP for system startup in this motherboard. Chapter 3: BIOS setup BIOS setup 3.1 Knowing BIOS 3 The new ASUS UEFI BIOS is a Unified Extensible Interface that complies with UEFI architecture, offering a user-friendly interface that goes beyond the traditional ... change the BIOS settings only with the same smoothness as storage device configuration, overclocking settings, advanced power management, and boot device configuration that you to instability or boot failure. Chapter 3 ASUS Z87-WS 3-1 Inappropriate BIOS settings may result to run the BIOS Setup. • ...
... it as Z87WS.CAP for system startup in this motherboard. Chapter 3: BIOS setup BIOS setup 3.1 Knowing BIOS 3 The new ASUS UEFI BIOS is a Unified Extensible Interface that complies with UEFI architecture, offering a user-friendly interface that goes beyond the traditional ... change the BIOS settings only with the same smoothness as storage device configuration, overclocking settings, advanced power management, and boot device configuration that you to instability or boot failure. Chapter 3 ASUS Z87-WS 3-1 Inappropriate BIOS settings may result to run the BIOS Setup. • ...
User Guide
Page 78
... figure below shows an example of the screen has the following sections for the detailed configurations. For changing the basic system configuration For changing the overclocking settings For changing the advanced system settings Monitor For displaying the system temperature, power status, and changing the fan settings.
... figure below shows an example of the screen has the following sections for the detailed configurations. For changing the basic system configuration For changing the overclocking settings For changing the advanced system settings Monitor For displaying the system temperature, power status, and changing the fan settings.
User Guide
Page 83
... allow you installed on the CPU and DIMM model you to configure overclocking-related items. Be cautious when changing the settings of the Ai Tweaker menu items. Incorrect field values can cause the system to display other BIOS items. Chapter 3 ASUS Z87-WS 3-9 From the Create New Password box, key in changing a user password...
... allow you installed on the CPU and DIMM model you to configure overclocking-related items. Be cautious when changing the settings of the Ai Tweaker menu items. Incorrect field values can cause the system to display other BIOS items. Chapter 3 ASUS Z87-WS 3-9 From the Create New Password box, key in changing a user password...
User Guide
Page 84
... [High BCLK Mode] BCLK Frequency [100.0] Allows you to set to default core ratio settings. Configuration options: [Profile #1] [Profile #2] ASUS MultiCore Enhancement [Enabled] [Enabled] Default set to [Enabled] for maximum performance under XMP/Manual/ User-defined memory frequency mode. [Disabled] ... Allows your system to automatically optimize the CPU ratio, BCLK frequency, and memory parameters. Select any of these preset overclocking configuration options: [Auto] Loads the optimal settings for optimizing the system performance. The following item appears only when you...
... [High BCLK Mode] BCLK Frequency [100.0] Allows you to set to default core ratio settings. Configuration options: [Profile #1] [Profile #2] ASUS MultiCore Enhancement [Enabled] [Enabled] Default set to [Enabled] for maximum performance under XMP/Manual/ User-defined memory frequency mode. [Disabled] ... Allows your system to automatically optimize the CPU ratio, BCLK frequency, and memory parameters. Select any of these preset overclocking configuration options: [Auto] Loads the optimal settings for optimizing the system performance. The following item appears only when you...
User Guide
Page 85
Use the or keys to get the extreme overclocking capability. The configuration options vary with the BCLK/PCIE Frequency item settings. The minimum value depends on the CPU installed. The values depend on the ... Uncore part of the processor. Max CPU Cache Ratio [Auto] Allows you to automatically optimize the CPU Graphics Ratio depending on the CPU installed. Chapter 3 ASUS Z87-WS 3-11 Ratio [Auto] [Auto] Allows you to set the 1-Core Ratio Limit and 2-Core Ratio Limit to [Auto]. 4-Core Ratio Limit [Auto] Select [Auto] to...
Use the or keys to get the extreme overclocking capability. The configuration options vary with the BCLK/PCIE Frequency item settings. The minimum value depends on the CPU installed. The values depend on the ... Uncore part of the processor. Max CPU Cache Ratio [Auto] Allows you to automatically optimize the CPU Graphics Ratio depending on the CPU installed. Chapter 3 ASUS Z87-WS 3-11 Ratio [Auto] [Auto] Allows you to set the 1-Core Ratio Limit and 2-Core Ratio Limit to [Auto]. 4-Core Ratio Limit [Auto] Select [Auto] to...
User Guide
Page 86
...: [Disabled] [Enabled] DRAM Timing Control The subitems in this happens, revert to set the DRAM timing control features. OC Tuner [As Is] OC Tuner automatically overclocks the frequency and voltage of CPU and DRAM for enhancing the system performance and accelerates the iGPU performance to the extreme according to adjust the...
...: [Disabled] [Enabled] DRAM Timing Control The subitems in this happens, revert to set the DRAM timing control features. OC Tuner [As Is] OC Tuner automatically overclocks the frequency and voltage of CPU and DRAM for enhancing the system performance and accelerates the iGPU performance to the extreme according to adjust the...
User Guide
Page 89
...defined by Intel® VRM specification and affects CPU power voltage. Higher load-line calibration could get higher voltage and good overclocking performance, but increases the CPU and VRM thermal conditions. Select from Level 1 to Level 8 to adjust CPU power voltage...Both DIMMS] [Disable DIMM0] [Disable DIMM1] [Disable Both DIMMS] Scrambler Setting [Optimized ...] Allows you to [Manual Mode]. Chapter 3 ASUS Z87-WS 3-15 The CPU working voltage will decrease proportionally to adjust the value. The thermal conditions should be monitored. Higher frequency gets quicker transient ...
...defined by Intel® VRM specification and affects CPU power voltage. Higher load-line calibration could get higher voltage and good overclocking performance, but increases the CPU and VRM thermal conditions. Select from Level 1 to Level 8 to adjust CPU power voltage...Both DIMMS] [Disable DIMM0] [Disable DIMM1] [Disable Both DIMMS] Scrambler Setting [Optimized ...] Allows you to [Manual Mode]. Chapter 3 ASUS Z87-WS 3-15 The CPU working voltage will decrease proportionally to adjust the value. The thermal conditions should be monitored. Higher frequency gets quicker transient ...
User Guide
Page 90
.... The thermal conditions should be monitored. A higher value setting gets higher VRM power consumption delivery and extends the overclocking frequency range simultaneously. The following items appear only when you set the CPU Voltage Frequency to [Auto]. The thermal... conditions should be monitored. Configuration options: [Disabled] [Enabled] Active Frequency Mode [Disabled] Enable the Active Frequency Mode for overclocking. CPU Current Capability [Auto] DIGI+ VRM CPU Current Capability provides wider total power range for an enhanced power saving condition....
.... The thermal conditions should be monitored. A higher value setting gets higher VRM power consumption delivery and extends the overclocking frequency range simultaneously. The following items appear only when you set the CPU Voltage Frequency to [Auto]. The thermal... conditions should be monitored. Configuration options: [Disabled] [Enabled] Active Frequency Mode [Disabled] Enable the Active Frequency Mode for overclocking. CPU Current Capability [Auto] DIGI+ VRM CPU Current Capability provides wider total power range for an enhanced power saving condition....
User Guide
Page 91
... Management The subitems in this menu allow you to [Manual]. Chapter 3 ASUS Z87-WS 3-17 The values depend on the CPU installed. Use the or keys to enlarge the O.C. DRAM Current Capability [100%] A higher value brings a wider total power range, and extends the overclocking range simultaneously. Configuration options: [Disabled] [Enabled] The following item appears...
... Management The subitems in this menu allow you to [Manual]. Chapter 3 ASUS Z87-WS 3-17 The values depend on the CPU installed. Use the or keys to enlarge the O.C. DRAM Current Capability [100%] A higher value brings a wider total power range, and extends the overclocking range simultaneously. Configuration options: [Disabled] [Enabled] The following item appears...
User Guide
Page 92
...the processor is set to [+] or [-], the Frequency Tuning Offset appears and allows you to prevent frequency and power throttling when overclocking. Configuration options: [Auto] [High Performance] [Balanced] CPU Internal Power Configuration CPU Integrated VR Efficiency Management [Auto] Allows you to ...disable this item when overclocking. Use the or keys to adjust the value. The values range from 1 to 127 in seconds. Turbo Mode Parameters Long Duration ...
...the processor is set to [+] or [-], the Frequency Tuning Offset appears and allows you to prevent frequency and power throttling when overclocking. Configuration options: [Auto] [High Performance] [Balanced] CPU Internal Power Configuration CPU Integrated VR Efficiency Management [Auto] Allows you to ...disable this item when overclocking. Use the or keys to adjust the value. The values range from 1 to 127 in seconds. Turbo Mode Parameters Long Duration ...
User Guide
Page 93
...Chapter 3 ASUS Z87-WS 3-19 Configuration options: [Auto] [Regular] [Fast] Power Current Slope [Auto] Allows you to increase to enhance the response of the high-speed active phase current balance during the load transient. The values range from 0A to enlarge the overclocking potential. ...[-87.5%] [-100%] Power Fast Ramp Response [Auto] Allows you to eliminate current imbalance that can result from 0A to enlarge the overclocking potential. Higher value provides better power-saving condition.Use or key to improve the power saving mode on the Fully Integrated Voltage Regulator ...
...Chapter 3 ASUS Z87-WS 3-19 Configuration options: [Auto] [Regular] [Fast] Power Current Slope [Auto] Allows you to increase to enhance the response of the high-speed active phase current balance during the load transient. The values range from 0A to enlarge the overclocking potential. ...[-87.5%] [-100%] Power Fast Ramp Response [Auto] Allows you to eliminate current imbalance that can result from 0A to enlarge the overclocking potential. Higher value provides better power-saving condition.Use or key to improve the power saving mode on the Fully Integrated Voltage Regulator ...
User Guide
Page 94
... when you to set the CPU Cache Voltage override. Configuration options: [Disabled] [Enabled] CPU Core Voltage [Auto] Allows you might choose high level voltage to overclock, but not guaranteed CPU life. CPU Core Voltage Override [Auto] Allows you set the CPU Cache Voltage to [Manual Mode]. CPU Core Voltage Offset Use...
... when you to set the CPU Cache Voltage override. Configuration options: [Disabled] [Enabled] CPU Core Voltage [Auto] Allows you might choose high level voltage to overclock, but not guaranteed CPU life. CPU Core Voltage Override [Auto] Allows you set the CPU Cache Voltage to [Manual Mode]. CPU Core Voltage Offset Use...
User Guide
Page 96
... interval. CPU Analog I/O Voltage Offset Mode Sign [+] [+] To offset the voltage by a positive value. [-] To offset the voltage by a negative value. SVID Support [Auto] When overclocking, set the DRAM voltage. Configuration options: [Auto] [Disabled] [Enabled] The following item appears only when you to configure the amount of voltage fed to adjust...
... interval. CPU Analog I/O Voltage Offset Mode Sign [+] [+] To offset the voltage by a positive value. [-] To offset the voltage by a negative value. SVID Support [Auto] When overclocking, set the DRAM voltage. Configuration options: [Auto] [Disabled] [Enabled] The following item appears only when you to configure the amount of voltage fed to adjust...
User Guide
Page 97
...can use the or keys to [Enabled] for the PCH (Platform Controller Hub). CPU Spread Spectrum [Auto] [Auto] Automatic configuration. [Disabled] Enhances the BCLK overclocking ability. [Enabled] Sets to adjust the value. The values range from 0.1V to 1.9V with a 0.0125V interval. You can use the or keys to...the BCLK DP. You can use the or keys to the falling edge of the BCLK DN is equal to adjust the value. Chapter 3 ASUS Z87-WS 3-23 DRAM CTRL REF Voltage [Auto] This item is the DRAM reference voltage for the control lines from 0.1V to adjust the value. ...
...can use the or keys to [Enabled] for the PCH (Platform Controller Hub). CPU Spread Spectrum [Auto] [Auto] Automatic configuration. [Disabled] Enhances the BCLK overclocking ability. [Enabled] Sets to adjust the value. The values range from 0.1V to 1.9V with a 0.0125V interval. You can use the or keys to...the BCLK DP. You can use the or keys to the falling edge of the BCLK DN is equal to adjust the value. Chapter 3 ASUS Z87-WS 3-23 DRAM CTRL REF Voltage [Auto] This item is the DRAM reference voltage for the control lines from 0.1V to adjust the value. ...