User Guide
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Contents Safety information...iv About this guide...iv Package contents...vi B85M-G R2.0 specifications summary vi Chapter 1: Product introduction 1.1 Before you proceed 1-1 1.2 Motherboard overview 1-1 1.3 Central Processing Unit (CPU 1-3 1.4 System memory 1-7 1.5 Expansion slots 1-9 1.6 Jumpers...1-11 1.7 Connectors 1-12 1.9 Software support 1-21 Chapter 2: BIOS information 2.1 Managing and updating your BIOS 2-1 2.2 BIOS setup program 2-6 2.3 My Favorites 2-9 2.4 Main ...
Contents Safety information...iv About this guide...iv Package contents...vi B85M-G R2.0 specifications summary vi Chapter 1: Product introduction 1.1 Before you proceed 1-1 1.2 Motherboard overview 1-1 1.3 Central Processing Unit (CPU 1-3 1.4 System memory 1-7 1.5 Expansion slots 1-9 1.6 Jumpers...1-11 1.7 Connectors 1-12 1.9 Software support 1-21 Chapter 2: BIOS information 2.1 Managing and updating your BIOS 2-1 2.2 BIOS setup program 2-6 2.3 My Favorites 2-9 2.4 Main ...
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...XMP) * Hyper DIMM support is damaged or missing, contact your motherboard package for the following items. Motherboard Cables Accessories Application DVD Documentation ASUS B85M-G R2.0 motherboard 2 x Serial ATA 6.0 Gb/s cables 1 x I/O Shield Support DVD User Guide If any of the above items is subject...of DDR3 1600MHz. *** Refer to www.asus.com for Intel® CPU support list. Supports DVI-D with max. resolution of 1920 x 1200 @60Hz - Supports HDMI with max.resolution of 1920 x 1200 @60Hz - B85M-G R2.0 specifications summary CPU Chipset Memory Graphics Expansion slots Storage LAN...
...XMP) * Hyper DIMM support is damaged or missing, contact your motherboard package for the following items. Motherboard Cables Accessories Application DVD Documentation ASUS B85M-G R2.0 motherboard 2 x Serial ATA 6.0 Gb/s cables 1 x I/O Shield Support DVD User Guide If any of the above items is subject...of DDR3 1600MHz. *** Refer to www.asus.com for Intel® CPU support list. Supports DVI-D with max. resolution of 1920 x 1200 @60Hz - Supports HDMI with max.resolution of 1920 x 1200 @60Hz - B85M-G R2.0 specifications summary CPU Chipset Memory Graphics Expansion slots Storage LAN...
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viii B85M-G R2.0 specifications summary Internal connectors BIOS features Manageability Support DVD OS support Form factor 1 x USB 3.0 connector supports additional 2 USB 3.0 ports 2 x USB 2.0 connectors support additional 4 USB 2.0 ports 2 x SATA 3.0 Gb/s connectors 4 x SATA 6.0 Gb/s connector 1 x Chassis intrusion connector 1 x CLRTC jumper 1 x 4-pin CPU Fan ...v2.0, WfM2.0, SM BIOS v2.7, ACPI v2.0a, Multi-language BIOS, ASUS EZ Flash 2, ASUS CrashFree BIOS 3 WfM 2.0, DMI 2.0, WOL by PME, WOR by PME, PXE Drivers ASUS utilities EZ Update Anti-virus software (OEM version) Windows® 8.1 (...
viii B85M-G R2.0 specifications summary Internal connectors BIOS features Manageability Support DVD OS support Form factor 1 x USB 3.0 connector supports additional 2 USB 3.0 ports 2 x USB 2.0 connectors support additional 4 USB 2.0 ports 2 x SATA 3.0 Gb/s connectors 4 x SATA 6.0 Gb/s connector 1 x Chassis intrusion connector 1 x CLRTC jumper 1 x 4-pin CPU Fan ...v2.0, WfM2.0, SM BIOS v2.7, ACPI v2.0a, Multi-language BIOS, ASUS EZ Flash 2, ASUS CrashFree BIOS 3 WfM 2.0, DMI 2.0, WOL by PME, WOR by PME, PXE Drivers ASUS utilities EZ Update Anti-virus software (OEM version) Windows® 8.1 (...
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... intrusion connector (4-1 pin CHASSIS) 15. System panel connector (10-1 pin F_PANEL) 11. Clear RTC RAM (2-pin CLRTC) 9. USB 2.0 connectors (10-1 pin USB1112, USB1314) 13. B85M-G R2.0 B85M-G R2.0 CPU socket LGA1150 ASUS B85M-G R2.0 1-3 DDR3 DIMM slots 6. LPT connector (26-1 pin LPT) 14. Front panel audio connector (10-1 pin AAFP) 17. ATX power connectors (24-pin EATXPWR, 4-pin...
... intrusion connector (4-1 pin CHASSIS) 15. System panel connector (10-1 pin F_PANEL) 11. Clear RTC RAM (2-pin CLRTC) 9. USB 2.0 connectors (10-1 pin USB1112, USB1314) 13. B85M-G R2.0 B85M-G R2.0 CPU socket LGA1150 ASUS B85M-G R2.0 1-3 DDR3 DIMM slots 6. LPT connector (26-1 pin LPT) 14. Front panel audio connector (10-1 pin AAFP) 17. ATX power connectors (24-pin EATXPWR, 4-pin...
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... damage to the socket contacts resulting from incorrect CPU installation/removal, or misplacement/loss/incorrect removal of repair only if the damage is shipment/ transit-related. • Keep the cap after installing the motherboard. ASUS will process Return Merchandise Authorization (RMA) requests ...cap on the socket and the socket contacts are not bent. ASUS will shoulder the cost of the PnP cap. 1.3.1 Installing the CPU 1 A B 2 3 1-4 Chapter 1: Product introduction Unplug all power cables before installing the CPU. • Upon purchase of the motherboard, ensure that the PnP...
... damage to the socket contacts resulting from incorrect CPU installation/removal, or misplacement/loss/incorrect removal of repair only if the damage is shipment/ transit-related. • Keep the cap after installing the motherboard. ASUS will process Return Merchandise Authorization (RMA) requests ...cap on the socket and the socket contacts are not bent. ASUS will shoulder the cost of the PnP cap. 1.3.1 Installing the CPU 1 A B 2 3 1-4 Chapter 1: Product introduction Unplug all power cables before installing the CPU. • Upon purchase of the motherboard, ensure that the PnP...
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ASUS B85M-G R2.0 1-5 4 C 5 A B 1.3.2 CPU heatsink and fan assembly installation Apply the Thermal Interface Material to the CPU heatsink and CPU before you install the heatsink and fan if necessary.
ASUS B85M-G R2.0 1-5 4 C 5 A B 1.3.2 CPU heatsink and fan assembly installation Apply the Thermal Interface Material to the CPU heatsink and CPU before you install the heatsink and fan if necessary.
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To install the CPU heatsink and fan assembly 1 A B 2 B A 3 4 To uninstall the CPU heatsink and fan assembly 1 2 A B B A 1-6 Chapter 1: Product introduction
To install the CPU heatsink and fan assembly 1 A B 2 B A 3 4 To uninstall the CPU heatsink and fan assembly 1 2 A B B A 1-6 Chapter 1: Product introduction
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Plug the power cord and turn ON the computer. 4. ASUS B85M-G R2.0 1-11 Turn OFF the computer and unplug the power cord. 2. Use a metal object such as system passwords. After clearing the CMOS, reinstall the battery. • ... 12 Normal (Open) Clear CMOS (Short) B85M-G R2.0 Clear RTC RAM To erase the RTC RAM: 1. enter data. • If the steps above do not need to clear the RTC when the system hangs due to overclocking. For system failure due to overclocking, use the CPU Parameter Recall (C.P.R.) feature. Shut down the key...
Plug the power cord and turn ON the computer. 4. ASUS B85M-G R2.0 1-11 Turn OFF the computer and unplug the power cord. 2. Use a metal object such as system passwords. After clearing the CMOS, reinstall the battery. • ... 12 Normal (Open) Clear CMOS (Short) B85M-G R2.0 Clear RTC RAM To erase the RTC RAM: 1. enter data. • If the steps above do not need to clear the RTC when the system hangs due to overclocking. For system failure due to overclocking, use the CPU Parameter Recall (C.P.R.) feature. Shut down the key...
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These are not jumpers! Only 4-pin CPU fans and chassis fans support the ASUS FAN Xpert 2 feature 6. The speaker allows you hear system beeps and warnings. SPEAKER B85M-G R2.0 PIN 1 B85M-G R2.0 Speaker connector +5V GND GND Speaker Out 1-16 Chapter 1: Product introduction CHA_FAN2 CPU_FAN CHA_FAN1 B85M-G R2.0 B85M-G R2.0 Fan connectors Do not forget to connect the fan cables to...
These are not jumpers! Only 4-pin CPU fans and chassis fans support the ASUS FAN Xpert 2 feature 6. The speaker allows you hear system beeps and warnings. SPEAKER B85M-G R2.0 PIN 1 B85M-G R2.0 Speaker connector +5V GND GND Speaker Out 1-16 Chapter 1: Product introduction CHA_FAN2 CPU_FAN CHA_FAN1 B85M-G R2.0 B85M-G R2.0 Fan connectors Do not forget to connect the fan cables to...
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To access the EZ Mode, click Exit, then select ASUS EZ Mode or press F7. ASUS B85M-G R2.0 2-7 The figure below shows an example of the selected mode on the right hand side • The boot device options vary depending on the devices .... • The Boot Menu (F8) button is available only when the boot device is installed to configure the BIOS settings. Displays the CPU/motherboard temperature, CPU voltage output, and CPU/chassis fan speed Selects the display language of the BIOS setup program Exits the BIOS setup program without saving the changes, saves the...
To access the EZ Mode, click Exit, then select ASUS EZ Mode or press F7. ASUS B85M-G R2.0 2-7 The figure below shows an example of the selected mode on the right hand side • The boot device options vary depending on the devices .... • The Boot Menu (F8) button is available only when the boot device is installed to configure the BIOS settings. Displays the CPU/motherboard temperature, CPU voltage output, and CPU/chassis fan speed Selects the display language of the BIOS setup program Exits the BIOS setup program without saving the changes, saves the...
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... password, follow the same steps as in changing a user password, but press when prompted to display the other items. Target CPU Turbo-Mode Speed : xxxxMHz Displays the target CPU Turbo-Mode speed. Target iGPU Speed : xxxxMHz Displays the target iGPU speed. 2-12 Chapter 2: Getting started After you clear ... Password item on top of the screen shows Not Installed. 2.5 Ai Tweaker menu The Ai Tweaker menu items 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...
... password, follow the same steps as in changing a user password, but press when prompted to display the other items. Target CPU Turbo-Mode Speed : xxxxMHz Displays the target CPU Turbo-Mode speed. Target iGPU Speed : xxxxMHz Displays the target iGPU speed. 2-12 Chapter 2: Getting started After you clear ... Password item on top of the screen shows Not Installed. 2.5 Ai Tweaker menu The Ai Tweaker menu items 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...
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... on the system loading. Max. The configurable options vary with the BCLK (base clock) frequency setting. ASUS B85M-G R2.0 2-13 Configuration options: [Auto] [8] ~ [33]. 2.5.4 BCLK Frequency : 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...
... on the system loading. Max. The configurable options vary with the BCLK (base clock) frequency setting. ASUS B85M-G R2.0 2-13 Configuration options: [Auto] [8] ~ [33]. 2.5.4 BCLK Frequency : 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...
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...set a higher frequency for a quicker transient response speed. 2.5.7 GPU Boost [As is defined by Intel VRM specification and affects CPU voltage. CPU VRM Switching Frequency [Auto] This item affects the VRM transient response speed and the component thermal production. Select [Manual] to set... the DRAM timing control features. Higher value gets a higher voltage and better overclocking performance, but increases the CPU and VRM thermal conditions. Changing the values in this item to adjust the value. Use the or to [Extreme] and [Manual Adjustment...
...set a higher frequency for a quicker transient response speed. 2.5.7 GPU Boost [As is defined by Intel VRM specification and affects CPU voltage. CPU VRM Switching Frequency [Auto] This item affects the VRM transient response speed and the component thermal production. Select [Manual] to set... the DRAM timing control features. Higher value gets a higher voltage and better overclocking performance, but increases the CPU and VRM thermal conditions. Changing the values in this item to adjust the value. Use the or to [Extreme] and [Manual Adjustment...
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... result in a specific condition. Use the and keys to adjust the value. ASUS B85M-G R2.0 2-15 Configuration options: [Disabled] [Enabled] • Turbo Mode is only available on selected CPU models only. • The following item appears only when you to set the CPU Power Phase Control item to run faster than the marked frequency in...
... result in a specific condition. Use the and keys to adjust the value. ASUS B85M-G R2.0 2-15 Configuration options: [Disabled] [Enabled] • Turbo Mode is only available on selected CPU models only. • The following item appears only when you to set the CPU Power Phase Control item to run faster than the marked frequency in...
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...50.0%] [-62.5%] [-75%] [-87.5%] [-100%] Power Fast Ramp Response [Auto] Allows you to limit the CPU Integrated VR current Use and key to adjust the value. CPU Integrated VR Current Limit [Auto] Allows you to set the power fast ramp response. Power Current Offset [Auto...Allows you to set the frequency tuning mode. Use the and keys to adjust the value. Configuration options: [Auto] [Disabled] [Enabled] CPU Internal Power Configuration CPU Integrated VR Efficiency Management [Auto] Allows you to set the power current slope. Configuration options: [Auto] [Level 4] [Level 3] [...
...50.0%] [-62.5%] [-75%] [-87.5%] [-100%] Power Fast Ramp Response [Auto] Allows you to limit the CPU Integrated VR current Use and key to adjust the value. CPU Integrated VR Current Limit [Auto] Allows you to set the power fast ramp response. Power Current Offset [Auto...Allows you to set the frequency tuning mode. Use the and keys to adjust the value. Configuration options: [Auto] [Disabled] [Enabled] CPU Internal Power Configuration CPU Integrated VR Efficiency Management [Auto] Allows you to set the power current slope. Configuration options: [Auto] [Level 4] [Level 3] [...
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... Power Saving Control Power Saving Level 1 Threshhold [Auto] Allows you can select voltage settings for overclocking, but this item is available for the CPU. Use the and keys to adjust the value. Configuration options: [Auto] [Manual Mode] [Offset Mode] [Adaptive Mode]. [Adaptive Mode] is set to 1.920V with a 0.001V ...interval. Use the and keys to adjust the value. The values range from 0.001V to 1.920V with a 0.001V interval. 2.5.14 CPU Cache Voltage [Auto] This item allows you to set the CPU Cache voltage. ASUS B85M-G R2.0 2-17
... Power Saving Control Power Saving Level 1 Threshhold [Auto] Allows you can select voltage settings for overclocking, but this item is available for the CPU. Use the and keys to adjust the value. Configuration options: [Auto] [Manual Mode] [Offset Mode] [Adaptive Mode]. [Adaptive Mode] is set to 1.920V with a 0.001V ...interval. Use the and keys to adjust the value. The values range from 0.001V to 1.920V with a 0.001V interval. 2.5.14 CPU Cache Voltage [Auto] This item allows you to set the CPU Cache voltage. ASUS B85M-G R2.0 2-17
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...920V with a 0.001V interval. The values range from 0.001V to 1.920V with a 0.001V interval. Total Adaptive Mode CPU Cache Voltage [Auto] This item appears only when you set the CPU Cache Voltage to [Adaptive Mode] and allows you to set the offset mode sign. The values range from 0.001V ... Voltage to [Offset Mode] or [Adaptive Mode] and allows you to set the total adaptive mode CPU cache voltage. Configuration options: [+] [-] CPU Cache Voltage Offset [Auto] This item appears only when you set the CPU Cache Voltage to [Offset Mode] or [Adaptive Mode] and allows you to 0.999V with a 0....
...920V with a 0.001V interval. The values range from 0.001V to 1.920V with a 0.001V interval. Total Adaptive Mode CPU Cache Voltage [Auto] This item appears only when you set the CPU Cache Voltage to [Adaptive Mode] and allows you to set the offset mode sign. The values range from 0.001V ... Voltage to [Offset Mode] or [Adaptive Mode] and allows you to set the total adaptive mode CPU cache voltage. Configuration options: [+] [-] CPU Cache Voltage Offset [Auto] This item appears only when you set the CPU Cache Voltage to [Offset Mode] or [Adaptive Mode] and allows you to 0.999V with a 0....
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...with the external voltage regulator. Increase the value when increasing DRAM frequency. Configuration options: [Auto] [Disabled] [Enabled]. 2.5.20 CPU Input Voltage (VCCIN) [Auto] This item allows you to set the DRAM Voltage. The system may need better cooling system ...PCH Voltage [Auto] Allows you to set the CPU system agent voltage offset. Configuration options: [Auto] [+0.10V]. ASUS B85M-G R2.0 2-19 Configuration options: [+] [-]. Configuration options: [+] [-]. CPU Analog I/O Voltage Offset [Auto] This item allows you to set the CPU digital I/O voltage offset mode sign. The values ...
...with the external voltage regulator. Increase the value when increasing DRAM frequency. Configuration options: [Auto] [Disabled] [Enabled]. 2.5.20 CPU Input Voltage (VCCIN) [Auto] This item allows you to set the DRAM Voltage. The system may need better cooling system ...PCH Voltage [Auto] Allows you to set the CPU system agent voltage offset. Configuration options: [Auto] [+0.10V]. ASUS B85M-G R2.0 2-19 Configuration options: [+] [-]. Configuration options: [+] [-]. CPU Analog I/O Voltage Offset [Auto] This item allows you to set the CPU digital I/O voltage offset mode sign. The values ...
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... CHB [Auto] Allows you to set the DRAM CTRL REF Voltage. 2.5.24 DRAM CTRL REF Voltage [Auto] Allows you to 0.6300V with a 0.0050V interval 2.5.27 CPU Spread Spectrum [Auto] [Auto] [Disabled] [Enabled] Automatic configuration. Sets to [Enabled] for EMI control. 2-20 Chapter 2: Getting started
... CHB [Auto] Allows you to set the DRAM CTRL REF Voltage. 2.5.24 DRAM CTRL REF Voltage [Auto] Allows you to 0.6300V with a 0.0050V interval 2.5.27 CPU Spread Spectrum [Auto] [Auto] [Disabled] [Enabled] Automatic configuration. Sets to [Enabled] for EMI control. 2-20 Chapter 2: Getting started
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...: [All] [1] [2] [3] Limit CPUID Maximum [Disabled] [Enabled] Allows legacy operating systems to boot even without support for the CPU and other system devices. ASUS B85M-G R2.0 2-21 Intel® Adaptive Thermal Monitor [Enabled] [Enabled] Enables the overheated CPU to throttle its clock speed to zero (0). Execute Disable Bit [Enabled] [Enabled] Enables the No-Execution Page Protection...
...: [All] [1] [2] [3] Limit CPUID Maximum [Disabled] [Enabled] Allows legacy operating systems to boot even without support for the CPU and other system devices. ASUS B85M-G R2.0 2-21 Intel® Adaptive Thermal Monitor [Enabled] [Enabled] Enables the overheated CPU to throttle its clock speed to zero (0). Execute Disable Bit [Enabled] [Enabled] Enables the No-Execution Page Protection...