Z77-A User's Manual
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... BCLK/PCIE frequency tuning from 80MHz up to change without notice. vDRAM Bus: 190-step Memory voltage control - vPCH: 190-step Chipset voltage control - ASUS C.P.R.(CPU Parameter Recall) Rear Panel I/O Ports 1 x PS/2 keyboard port 1 x PS/2 mouse port 1 x HDMI port 1 x DVI port 1... PXE Support DVD Drivers ASUS Utilities ASUS Update Anti-virus software (OEM version) Form Factor ATX Form Factor, 12.0" x 8.4" (30.5cm x 21.3xm) * Specifications are subject to 300MHz at 0.005V increment - Z77-A specifications summary ASUS Exclusive Overclocking Features Precision Tweaker 2 ...
... BCLK/PCIE frequency tuning from 80MHz up to change without notice. vDRAM Bus: 190-step Memory voltage control - vPCH: 190-step Chipset voltage control - ASUS C.P.R.(CPU Parameter Recall) Rear Panel I/O Ports 1 x PS/2 keyboard port 1 x PS/2 mouse port 1 x HDMI port 1 x DVI port 1... PXE Support DVD Drivers ASUS Utilities ASUS Update Anti-virus software (OEM version) Form Factor ATX Form Factor, 12.0" x 8.4" (30.5cm x 21.3xm) * Specifications are subject to 300MHz at 0.005V increment - Z77-A specifications summary ASUS Exclusive Overclocking Features Precision Tweaker 2 ...
Z77-A User's Manual
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DIMM_A1 DIMM_A2 DIMM_B1 DIMM_B2 1.5 System memory 1.5.1 Overview This motherboard comes with less power consumption. The figure illustrates the location of the DDR3 DIMM sockets: Z77-A Z77-A 240-pin DDR3 DIMM sockets Recommended memory configurations We recommend that you install the memory modules from the blue slots for better performance with four ... has the same physical dimensions as a DDR2 DIMM but is notched differently to prevent installation on a DDR2 DIMM socket. DDR3 modules are developed for better overclocking ability. ASUS Z77-A 1-11
DIMM_A1 DIMM_A2 DIMM_B1 DIMM_B2 1.5 System memory 1.5.1 Overview This motherboard comes with less power consumption. The figure illustrates the location of the DDR3 DIMM sockets: Z77-A Z77-A 240-pin DDR3 DIMM sockets Recommended memory configurations We recommend that you install the memory modules from the blue slots for better performance with four ... has the same physical dimensions as a DDR2 DIMM but is notched differently to prevent installation on a DDR2 DIMM socket. DDR3 modules are developed for better overclocking ability. ASUS Z77-A 1-11
Z77-A User's Manual
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...us. • This motherboard does not support DIMMs made up of the following: - Z77-A Series Motherboard Qualified Vendors Lists (QVL) DDR3 2400MHz capability Vendors Part No. For optimum...Size SS/DS Chip Brand Chip NO. Any excess memory from a memory module. Visit the ASUS website for manual memory frequency adjustment. • For system stability, use of memory, we...the installed CPU. 1-12 Chapter 1: Product introduction Under the default state, some memory modules for overclocking may install varying memory sizes in Megabit, 8 Megabit/Mb = 1 Megabyte/MB). • The...
...us. • This motherboard does not support DIMMs made up of the following: - Z77-A Series Motherboard Qualified Vendors Lists (QVL) DDR3 2400MHz capability Vendors Part No. For optimum...Size SS/DS Chip Brand Chip NO. Any excess memory from a memory module. Visit the ASUS website for manual memory frequency adjustment. • For system stability, use of memory, we...the installed CPU. 1-12 Chapter 1: Product introduction Under the default state, some memory modules for overclocking may install varying memory sizes in Megabit, 8 Megabit/Mb = 1 Megabyte/MB). • The...
Z77-A User's Manual
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Move the jumper cap from pins 1-2 (default) to overclocking, use the CPU Parameter Recall (C.P.R) feature. Removing the cap will cause system boot failure! • If the steps above do not need to clear the .... 4. After clearing the CMOS, reinstall the battery. • You do not help, remove the onboard battery and move the cap back to overclocking. Z77-A CLRTC 12 23 Normal (Default) Z77-A Clear RTC RAM Clear RTC To erase the RTC RAM: 1. Turn OFF the computer and unplug the power cord. 2. Keep the cap on...
Move the jumper cap from pins 1-2 (default) to overclocking, use the CPU Parameter Recall (C.P.R) feature. Removing the cap will cause system boot failure! • If the steps above do not need to clear the .... 4. After clearing the CMOS, reinstall the battery. • You do not help, remove the onboard battery and move the cap back to overclocking. Z77-A CLRTC 12 23 Normal (Default) Z77-A Clear RTC RAM Clear RTC To erase the RTC RAM: 1. Turn OFF the computer and unplug the power cord. 2. Keep the cap on...
Z77-A User's Manual
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The configuration options for this section vary depending 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 the following items: ASUS Z77-A 2-13 Scroll down to malfunction. 2.4 Ai Tweaker menu The Ai Tweaker menu items allow you installed on the motherboard.
The configuration options for this section vary depending 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 the following items: ASUS Z77-A 2-13 Scroll down to malfunction. 2.4 Ai Tweaker menu The Ai Tweaker menu items allow you installed on the motherboard.
Z77-A User's Manual
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...will be set to [Manual]. Use the and keys to enhance the system performance. The following item appears only when you set the Ai Overclocking Tuner to one single Turbo Ratio in OS. [By Per Core (Cannot Adjust in OS)] All Number if active cores can also key ...be set to individually set overclocking parameters. Use the and keys to adjust the value. 2.4.4 Internal PLL Overvoltage [Auto] Allows you to an individual Turbo Ratio in the desired value using the numeric keypad. The values range from 80.0MHz to 300.0MHz. 2.4.2 [Enabled] [Disabled] ASUS MultiCore Enhancement [Enabled] ...
...will be set to [Manual]. Use the and keys to enhance the system performance. The following item appears only when you set the Ai Overclocking Tuner to one single Turbo Ratio in OS. [By Per Core (Cannot Adjust in OS)] All Number if active cores can also key ...be set to individually set overclocking parameters. Use the and keys to adjust the value. 2.4.4 Internal PLL Overvoltage [Auto] Allows you to an individual Turbo Ratio in the desired value using the numeric keypad. The values range from 80.0MHz to 300.0MHz. 2.4.2 [Enabled] [Disabled] ASUS MultiCore Enhancement [Enabled] ...
Z77-A User's Manual
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...Enabled] Allows you to enable or disable the EPU power saving function.Configuration options: [Disabled] [Enabled] 2.4.8 OC Tuner OC Tuner automatically overclocks the frequency and voltage of CPU and DRAM for enhancing the system performance. Use / to adjust the value. 2.4.7 EPU Power Saving Mode... system dynamically adjusts the processor voltage and core frequency which may cause the system to become unstable! ASUS Z77-A 2-15 2.4.5 Memory Frequency [Auto] Allows you to set the DRAM timing control features. The configuration options vary with a 50MHz interval.
...Enabled] Allows you to enable or disable the EPU power saving function.Configuration options: [Disabled] [Enabled] 2.4.8 OC Tuner OC Tuner automatically overclocks the frequency and voltage of CPU and DRAM for enhancing the system performance. Use / to adjust the value. 2.4.7 EPU Power Saving Mode... system dynamically adjusts the processor voltage and core frequency which may cause the system to become unstable! ASUS Z77-A 2-15 2.4.5 Memory Frequency [Auto] Allows you to set the DRAM timing control features. The configuration options vary with a 50MHz interval.
Z77-A User's Manual
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...] Use the and keys to CPU loading. The CPU working voltage will decrease proportionally to adjust the value. Higher value gets a higher voltage and better overclocking performance, but increases the CPU and VRM thermal. Use the and keys to adjust the value at any given time for CPU cores. CPU Fixed...
...] Use the and keys to CPU loading. The CPU working voltage will decrease proportionally to adjust the value. Higher value gets a higher voltage and better overclocking performance, but increases the CPU and VRM thermal. Use the and keys to adjust the value at any given time for CPU cores. CPU Fixed...
Z77-A User's Manual
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...[Offset Mode] [Manual Mode] Allows you to set a fixed CPU voltage. [Offset Mode] Allows you to set the iGPU Current Capability. ASUS Z77-A 2-17 CPU Current Capability [100%] Allows you to Extreme and Manual Mode. CPU Power Duty Control [T.Probe] DIGI + VRM Duty control ... [Optimized] [Extreme] [Manual Adjustment] DO NOT remove the thermal module when switching to configure the total power range, and extends the overclocking frequency range simultaneously. Probe]: Select to maintain the VRM thermal balance. [Extreme]: Select to control the power phase based on your CPU configuration...
...[Offset Mode] [Manual Mode] Allows you to set a fixed CPU voltage. [Offset Mode] Allows you to set the iGPU Current Capability. ASUS Z77-A 2-17 CPU Current Capability [100%] Allows you to Extreme and Manual Mode. CPU Power Duty Control [T.Probe] DIGI + VRM Duty control ... [Optimized] [Extreme] [Manual Adjustment] DO NOT remove the thermal module when switching to configure the total power range, and extends the overclocking frequency range simultaneously. Probe]: Select to maintain the VRM thermal balance. [Extreme]: Select to control the power phase based on your CPU configuration...
Z77-A User's Manual
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... 1.90V with a 0.005V interval. The values range from 1.80V to set the CPU and PCH PLL voltage. ASUS Z77-A 2-19 Configuration options: [Auto] [+0.1V] CPU Spread Spectrum [Auto] [Auto] Automatic configuration. [Disabled] Enhances the BCLK overclocking ability. [Enabled] Sets to 1.685V with a 0.1V interval. CPU PLL Voltage [Auto] Allows you to set the...
... 1.90V with a 0.005V interval. The values range from 1.80V to set the CPU and PCH PLL voltage. ASUS Z77-A 2-19 Configuration options: [Auto] [+0.1V] CPU Spread Spectrum [Auto] [Auto] Automatic configuration. [Disabled] Enhances the BCLK overclocking ability. [Enabled] Sets to 1.685V with a 0.1V interval. CPU PLL Voltage [Auto] Allows you to set the...