Z77-A User's Manual
Page 3
... 1-5 1.3.1 Placement direction 1-5 1.3.2 Screw holes 1-5 1.3.3 Motherboard layout 1-6 1.3.4 Layout contents 1-7 1.4 Intel® CPU LGA1155 socket 1-7 1.4.1 CPU installation 1-8 1.4.2 CPU heatsink and fan assembly installation 1-9 1.5 System memory 1-11 1.5.1 Overview 1-11 1.5.2 Memory configurations 1-12 1.5.3 Installing a DIMM 1-19 1.6 Expansion slots 1-20 1.7 Jumpers 1-22 1.8 Connectors 1-24 1.8.1 Rear panel ports 1-24 1.8.2 Internal connectors 1-26 1.9 Software support 1-34 1.9.1 Installing an operating system 1-34...
... 1-5 1.3.1 Placement direction 1-5 1.3.2 Screw holes 1-5 1.3.3 Motherboard layout 1-6 1.3.4 Layout contents 1-7 1.4 Intel® CPU LGA1155 socket 1-7 1.4.1 CPU installation 1-8 1.4.2 CPU heatsink and fan assembly installation 1-9 1.5 System memory 1-11 1.5.1 Overview 1-11 1.5.2 Memory configurations 1-12 1.5.3 Installing a DIMM 1-19 1.6 Expansion slots 1-20 1.7 Jumpers 1-22 1.8 Connectors 1-24 1.8.1 Rear panel ports 1-24 1.8.2 Internal connectors 1-26 1.9 Software support 1-34 1.9.1 Installing an operating system 1-34...
Z77-A User's Manual
Page 5
...menu 2-41 Appendices Notices...A-1 ASUS contact information A-3 Contents 2.6 Monitor menu 2-30 2.6.1 CPU Temperature / MB Temperature [xxxºC/xxxºF]...... 2-31 2.6.2 CPU / Chassis Fan 1/2 / PWR Fan Speed 2-31 2.6.3 CPU Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage... 2-31 2.6.4 CPU Q-Fan Control [Enabled 2-31 2.6.5 CPU Fan Speed Low Limit ... BIOS 2-36 2.7.7 Interrupt 19 Capture [Postponed 2-36 2.7.8 Setup Mode [EZ Mode 2-36 2.7.9 CSM (Compatibility Support Module 2-36 2.7.10 Secure Boot 2-38 2.7.11 Boot Option Priorities 2-39 2.7.12 Boot Override 2-39 2.8 Tools menu 2-40...
...menu 2-41 Appendices Notices...A-1 ASUS contact information A-3 Contents 2.6 Monitor menu 2-30 2.6.1 CPU Temperature / MB Temperature [xxxºC/xxxºF]...... 2-31 2.6.2 CPU / Chassis Fan 1/2 / PWR Fan Speed 2-31 2.6.3 CPU Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage... 2-31 2.6.4 CPU Q-Fan Control [Enabled 2-31 2.6.5 CPU Fan Speed Low Limit ... BIOS 2-36 2.7.7 Interrupt 19 Capture [Postponed 2-36 2.7.8 Setup Mode [EZ Mode 2-36 2.7.9 CSM (Compatibility Support Module 2-36 2.7.10 Secure Boot 2-38 2.7.11 Boot Option Priorities 2-39 2.7.12 Boot Override 2-39 2.8 Tools menu 2-40...
Z77-A User's Manual
Page 9
... subject to http://www.asus.com for Intel® support list. Z77-A specifications summary CPU Chipset Memory Expansion slots Graphics Multi-GPU support Storage LAN LGA1155 socket for Intel® 3rd / 2nd Generation Core™ i7 / Core™ i5 / Core™ i3, Pentium®, and Celeron® processors Supports 32nm and 22nm CPU Supports Intel® Turbo Boost...
... subject to http://www.asus.com for Intel® support list. Z77-A specifications summary CPU Chipset Memory Expansion slots Graphics Multi-GPU support Storage LAN LGA1155 socket for Intel® 3rd / 2nd Generation Core™ i7 / Core™ i5 / Core™ i3, Pentium®, and Celeron® processors Supports 32nm and 22nm CPU Supports Intel® Turbo Boost...
Z77-A User's Manual
Page 10
... 3.0 Boost - Disk Unlocker - AI Suite II - ASUS UEFI BIOS - Supports ASUS USB 3.0 Boost UASP Mode* *USB 3.0 ports only support Windows® 7™ or later versions. UASP standards are only supported on the next page) Intel® Z77 Express Chipset - 4 x USB 3.0 / 2.0 ports ...4 ports at the rear panel) - ASUS DIGI+ VRM - ASUS EZ Flash 2 - ASUS Fan Xpert+ ASUS EZ DIY - Digital Power Control: Digital power Design for the CPU and iGPU - AI Charger - Network iControl - ASUS 4+1 Phase Power Design ASUS EPU - Anti Surge - ASUS Fanless Design: Stylish Heatsink solution -
... 3.0 Boost - Disk Unlocker - AI Suite II - ASUS UEFI BIOS - Supports ASUS USB 3.0 Boost UASP Mode* *USB 3.0 ports only support Windows® 7™ or later versions. UASP standards are only supported on the next page) Intel® Z77 Express Chipset - 4 x USB 3.0 / 2.0 ports ...4 ports at the rear panel) - ASUS DIGI+ VRM - ASUS EZ Flash 2 - ASUS Fan Xpert+ ASUS EZ DIY - Digital Power Control: Digital power Design for the CPU and iGPU - AI Charger - Network iControl - ASUS 4+1 Phase Power Design ASUS EPU - Anti Surge - ASUS Fanless Design: Stylish Heatsink solution -
Z77-A User's Manual
Page 11
... Frequency Selection) - Z77-A specifications summary ASUS Exclusive Overclocking Features Precision Tweaker 2 - vPCH: 190-step Chipset voltage control - BCLK/PCIE frequency tuning from 80MHz up to change without notice. ASUS C.P.R.(CPU Parameter Recall) Rear ...ports 3-jack 8-channel audio I/O ports Internal I/O Connectors 2 x USB 2.0/1.1 connectors support an additional 4 USB ports 1 x USB 3.0/2.0 connector supports an additional 2 USB ports 2 x SATA 6.0Gb/s connectors 4 x SATA 3.0Gb/s connectors 1 x CPU Fan connector (4-pin) 1 x Power Fan connector (3-pin) 2 x Chassis Fan ...
... Frequency Selection) - Z77-A specifications summary ASUS Exclusive Overclocking Features Precision Tweaker 2 - vPCH: 190-step Chipset voltage control - BCLK/PCIE frequency tuning from 80MHz up to change without notice. ASUS C.P.R.(CPU Parameter Recall) Rear ...ports 3-jack 8-channel audio I/O ports Internal I/O Connectors 2 x USB 2.0/1.1 connectors support an additional 4 USB ports 1 x USB 3.0/2.0 connector supports an additional 2 USB ports 2 x SATA 6.0Gb/s connectors 4 x SATA 3.0Gb/s connectors 1 x CPU Fan connector (4-pin) 1 x Power Fan connector (3-pin) 2 x Chassis Fan ...
Z77-A User's Manual
Page 24
...memory if you install 4GB or more efficient memory cooling system to Intel® CPU specifications, DIMM voltage below 1.65V is the standard way of the lower-sized channel...Channel B. Install a 64-bit Windows OS when you obtain memory modules from a memory module. Z77-A Series Motherboard Qualified Vendors Lists (QVL) DDR3 2400MHz capability Vendors Part No. Any excess memory ...-sized channel is then mapped for the latest QVL. Visit the ASUS website for single-channel operation. • According to support a full memory load (4 DIMMs) or overclocking condition. The system...
...memory if you install 4GB or more efficient memory cooling system to Intel® CPU specifications, DIMM voltage below 1.65V is the standard way of the lower-sized channel...Channel B. Install a 64-bit Windows OS when you obtain memory modules from a memory module. Z77-A Series Motherboard Qualified Vendors Lists (QVL) DDR3 2400MHz capability Vendors Part No. Any excess memory ...-sized channel is then mapped for the latest QVL. Visit the ASUS website for single-channel operation. • According to support a full memory load (4 DIMMs) or overclocking condition. The system...
Z77-A User's Manual
Page 25
... Chip Brand Chip NO. DDR3 2200MHz capability Vendors Part No. margin of the installed CPU. KHX2250C9D3T1K2/4GX(XMP) Size SS/ DS Chip Brand Chip NO. however, the actual frequency support varied depending on the O.C. Voltage 1.65V 1.5V-1.7V DIMM socket support (Optional) 1 DIMM 2 DIMMs 4 DIMMs • • * T he 2250MHz memory modules above...; • • DS - - - 1.65V • • DS - - 9 1.65V • • • DS - - - 1.65V • • DS DS - - - - - 1.65V • • 1.6V • • • ASUS Z77-A 1-13
... Chip Brand Chip NO. DDR3 2200MHz capability Vendors Part No. margin of the installed CPU. KHX2250C9D3T1K2/4GX(XMP) Size SS/ DS Chip Brand Chip NO. however, the actual frequency support varied depending on the O.C. Voltage 1.65V 1.5V-1.7V DIMM socket support (Optional) 1 DIMM 2 DIMMs 4 DIMMs • • * T he 2250MHz memory modules above...; • • DS - - - 1.65V • • DS - - 9 1.65V • • • DS - - - 1.65V • • DS DS - - - - - 1.65V • • 1.6V • • • ASUS Z77-A 1-13
Z77-A User's Manual
Page 38
...Z77-A Z77-A CPU fan connector DO NOT forget to connect the fan cables to the fan connectors on the fan connectors. • The CPU_FAN connector supports a CPU fan of the connector. Insufficient air flow inside the system may damage the motherboard components. These are not jumpers! GND CPU FAN PWR CPU FAN IN CPU...wire of each cable matches the ground pin of maximum 1A(12W) fan power. • The CPU_FAN and CHA_FAN connectors support the ASUS Fan Xpert feature. CPU and chassis fan connectors (4-pin CPU_FAN, 4-pin CHA_FAN1/2; 3-pin PWR_FAN) Connect the fan cables to the fan connectors.
...Z77-A Z77-A CPU fan connector DO NOT forget to connect the fan cables to the fan connectors on the fan connectors. • The CPU_FAN connector supports a CPU fan of the connector. Insufficient air flow inside the system may damage the motherboard components. These are not jumpers! GND CPU FAN PWR CPU FAN IN CPU...wire of each cable matches the ground pin of maximum 1A(12W) fan power. • The CPU_FAN and CHA_FAN connectors support the ASUS Fan Xpert feature. CPU and chassis fan connectors (4-pin CPU_FAN, 4-pin CHA_FAN1/2; 3-pin PWR_FAN) Connect the fan cables to the fan connectors.
Z77-A User's Manual
Page 66
... CPUID functions. [Disabled] Disables this function. 2-20 Chapter 2: BIOS information Intel® Adaptive Thermal Monitor [Enabled] [Enabled] Enables the overheated CPU to throttle its clock speed to boot even without support for the CPU and other system devices. Configuration options: [All] [1] [2] [3] Limit CPUID Maximum [Disabled] [Enabled] Allows legacy operating systems to cool down...
... CPUID functions. [Disabled] Disables this function. 2-20 Chapter 2: BIOS information Intel® Adaptive Thermal Monitor [Enabled] [Enabled] Enables the overheated CPU to throttle its clock speed to boot even without support for the CPU and other system devices. Configuration options: [All] [1] [2] [3] Limit CPUID Maximum [Disabled] [Enabled] Allows legacy operating systems to cool down...
Z77-A User's Manual
Page 67
... cache line prefetching. [Disabled] Disables this item automatically. [Enabled] Enables the C1E support function. ASUS Z77-A 2-21 Adjacent Cache Line Prefetch [Enabled] [Enabled] Allows a hardware platform to enable the Enhanced Halt State. [Disabled] Disables this function. Use and keys to your CPU model. Turbo Mode [Enabled] This item appears only when you to virtually...
... cache line prefetching. [Disabled] Disables this item automatically. [Enabled] Enables the C1E support function. ASUS Z77-A 2-21 Adjacent Cache Line Prefetch [Enabled] [Enabled] Allows a hardware platform to enable the Enhanced Halt State. [Disabled] Disables this function. Use and keys to your CPU model. Turbo Mode [Enabled] This item appears only when you to virtually...
Z77-A User's Manual
Page 68
... the Enhanced Halt State. [Disabled] Disables this function. Package C State Support [Auto] Allows you to enable or disable the CPU C State support. [Auto] Set this item automatically. [Enabled] Enables the C3 report function. CPU C3 Report [Auto] Allows you to disable or enable the CPU C3 report to OS. [Auto] Set this item automatically. [Enabled...
... the Enhanced Halt State. [Disabled] Disables this function. Package C State Support [Auto] Allows you to enable or disable the CPU C State support. [Auto] Set this item automatically. [Enabled] Enables the C3 report function. CPU C3 Report [Auto] Allows you to disable or enable the CPU C3 report to OS. [Auto] Set this item automatically. [Enabled...
Z77-A User's Manual
Page 79
...the maximum chassis fan duty cycle. Configuration options: [Disabled] [Enabled] ASUS Z77-A 2-33 Duty Cycle(%) [100] Use the and keys to adjust the minimum chassis fan duty cycle. The values range from 40ºC to 90ºC. CPU Fan Min. The values range from 20% to 100%. The values ...range from 0% to [Manual]. When the chassis temperature is under 40ºC, the chassis fan will operate at the minimum duty cycle. 2.6.8 Anti Surge Support [Enabled] This item allows you ...
...the maximum chassis fan duty cycle. Configuration options: [Disabled] [Enabled] ASUS Z77-A 2-33 Duty Cycle(%) [100] Use the and keys to adjust the minimum chassis fan duty cycle. The values range from 40ºC to 90ºC. CPU Fan Min. The values range from 20% to 100%. The values ...range from 0% to [Manual]. When the chassis temperature is under 40ºC, the chassis fan will operate at the minimum duty cycle. 2.6.8 Anti Surge Support [Enabled] This item allows you ...