User Guide
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... DEFECT OR ERROR IN THIS MANUAL OR PRODUCT. Products and corporate names appearing in this manual, including the products and software described in it from http://support.asus.com/download or (2) for the cost of reproduction and shipment, which you wish to obtain the corresponding source code and your request please provide the name, model number and version, as stated...
... DEFECT OR ERROR IN THIS MANUAL OR PRODUCT. Products and corporate names appearing in this manual, including the products and software described in it from http://support.asus.com/download or (2) for the cost of reproduction and shipment, which you wish to obtain the corresponding source code and your request please provide the name, model number and version, as stated...
User Guide
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... than 3GB. Package contents Check your motherboard package for the following items. Motherboard Cables Accessories Application DVD Documentation ASUS B85-A 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 to the physical characteristics of individual CPUs. B85-A R2.0 specifications summary CPU Chipset Memory Graphics Multi-GPU Support Expansion slots LGA1150 socket for the latest Memory QVL (Qualified Vendors List). Supports DVI with max.resolution of 1920 x 1200 @60Hz...
... than 3GB. Package contents Check your motherboard package for the following items. Motherboard Cables Accessories Application DVD Documentation ASUS B85-A 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 to the physical characteristics of individual CPUs. B85-A R2.0 specifications summary CPU Chipset Memory Graphics Multi-GPU Support Expansion slots LGA1150 socket for the latest Memory QVL (Qualified Vendors List). Supports DVI with max.resolution of 1920 x 1200 @60Hz...
User Guide
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B85-A R2.0 specifications summary Audio Storage LAN USB ASUS unique features Realtek® ALC887 8-channel High Definition Audio CODEC - Intel® B85 Express Chipset: - 2 x Serial ATA 3.0 Gb/s connectors - 4 x Serial ATA 6.0 Gb/s connectors Supports Intel® Rapid Start Technology, Intel® Smart Connect Technology* * These functions will work depending on the next page) vii Enhanced ESD protection -ASUS High-quality 5K-Hour Solid Capacitors - 2.5x long lifespan with HD audio module in the front panel to support an 8-channel audio output. ASUS UEFI BIOS EZ Mode featuring ...
B85-A R2.0 specifications summary Audio Storage LAN USB ASUS unique features Realtek® ALC887 8-channel High Definition Audio CODEC - Intel® B85 Express Chipset: - 2 x Serial ATA 3.0 Gb/s connectors - 4 x Serial ATA 6.0 Gb/s connectors Supports Intel® Rapid Start Technology, Intel® Smart Connect Technology* * These functions will work depending on the next page) vii Enhanced ESD protection -ASUS High-quality 5K-Hour Solid Capacitors - 2.5x long lifespan with HD audio module in the front panel to support an 8-channel audio output. ASUS UEFI BIOS EZ Mode featuring ...
User Guide
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... 4 x SATA 6.0 Gb/s connectors 1 x 4-pin CPU fan connector 1 x 4-pin Chassis fan connector 1 x COM Header 1 x Clear CMOS jumper (2-pin) 1 x 24-pin EATX power connector 1 x 8-pin ATX 12V power connector 64 Mb Flash ROM, UEFI AMI BIOS, PnP, DMI v2.0, WfM2.0, SM BIOS v2.7, ACPI v4.0a, Multi-language BIOS, ASUS EZ Flash 2, ASUS CrashFree BIOS 3, My Favorites, Quick Note, Last Modified log, F12 PrintScreen, F3 Shortcut function, and ASUS DRAM SPD (Serial Presence Detect) memory information Wfm 2.0, DMI 2.0, WOL by PME, PXE Drivers ASUS utilities EZ Update Anti-virus software (OEM version) ATX form...
... 4 x SATA 6.0 Gb/s connectors 1 x 4-pin CPU fan connector 1 x 4-pin Chassis fan connector 1 x COM Header 1 x Clear CMOS jumper (2-pin) 1 x 24-pin EATX power connector 1 x 8-pin ATX 12V power connector 64 Mb Flash ROM, UEFI AMI BIOS, PnP, DMI v2.0, WfM2.0, SM BIOS v2.7, ACPI v4.0a, Multi-language BIOS, ASUS EZ Flash 2, ASUS CrashFree BIOS 3, My Favorites, Quick Note, Last Modified log, F12 PrintScreen, F3 Shortcut function, and ASUS DRAM SPD (Serial Presence Detect) memory information Wfm 2.0, DMI 2.0, WOL by PME, PXE Drivers ASUS utilities EZ Update Anti-virus software (OEM version) ATX form...
User Guide
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... motherboard does not support DIMMs made up of DDR3 1600MHz. • Always install DIMMs with four Double Data Rate 3 (DDR3) Dual Inline Memory Module (DIMM) sockets. The system maps the total size of the lower-sized channel for single-channel operation. • Due to the memory address limitation on 32-bit Windows® OS, when you want to install 4GB or more memory on XMP mode...
... motherboard does not support DIMMs made up of DDR3 1600MHz. • Always install DIMMs with four Double Data Rate 3 (DDR3) Dual Inline Memory Module (DIMM) sockets. The system maps the total size of the lower-sized channel for single-channel operation. • Due to the memory address limitation on 32-bit Windows® OS, when you want to install 4GB or more memory on XMP mode...
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... the card is already installed in a chassis). 3. See Chapter 2 for the card. 2. Replace the system cover. 1.5.2 Configuring an expansion card After installing the expansion card, configure it and make the necessary hardware settings for information on the system and change the necessary BIOS settings, if any. Install the software drivers for later use . Remove the system unit cover (if your motherboard is completely seated on shared slots, ensure that the drivers support "Share...
... the card is already installed in a chassis). 3. See Chapter 2 for the card. 2. Replace the system cover. 1.5.2 Configuring an expansion card After installing the expansion card, configure it and make the necessary hardware settings for information on the system and change the necessary BIOS settings, if any. Install the software drivers for later use . Remove the system unit cover (if your motherboard is completely seated on shared slots, ensure that the drivers support "Share...
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... supports PCI Express x1 network cards, SCSI cards, and other cards that comply with the PCI Express specifications. 1.5.5 PCI Express x16 slots This motherboard has two PCI Express x16 slots that support PCI Express x16 graphic cards complying with the PCI Express specifications. shared - - - - - - - shared - - - - The onboard button cell battery powers the RAM data in CMOS. IRQ assignments for this motherboard IGD Audio Controller EHCI 1 Controller EHCI 2 Controller XHCI Controller SATA Controller PCIE x16_1 PCIE x16_2 PCIE x1_1 PCIE x1_2 RTL8111G PCI Slot 1 PCI Slot 2 PCI...
... supports PCI Express x1 network cards, SCSI cards, and other cards that comply with the PCI Express specifications. 1.5.5 PCI Express x16 slots This motherboard has two PCI Express x16 slots that support PCI Express x16 graphic cards complying with the PCI Express specifications. shared - - - - - - - shared - - - - The onboard button cell battery powers the RAM data in CMOS. IRQ assignments for this motherboard IGD Audio Controller EHCI 1 Controller EHCI 2 Controller XHCI Controller SATA Controller PCIE x16_1 PCIE x16_2 PCIE x1_1 PCIE x1_2 RTL8111G PCI Slot 1 PCI Slot 2 PCI...
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...) These connectors are for a chassis-mounted front panel audio I /O module cable to this connector, set the item to this connector is purchased separately. Connect the USB module cable to any of these connectors, then install the module to a slot opening at the back of the motherboard's high-definition audio capability. • If you want to connect a high-definition front panel audio module to [AC97]. These USB connectors comply with USB 2.0 specifications and supports up to the USB connectors. ASUS B85-A R2...
...) These connectors are for a chassis-mounted front panel audio I /O module cable to this connector, set the item to this connector is purchased separately. Connect the USB module cable to any of these connectors, then install the module to a slot opening at the back of the motherboard's high-definition audio capability. • If you want to connect a high-definition front panel audio module to [AC97]. These USB connectors comply with USB 2.0 specifications and supports up to the USB connectors. ASUS B85-A R2...
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... hardware. Click Drivers, Utilities, AHCI Driver, Manual, Contact and Specials tabs to run the Support DVD Place the Support DVD into the optical drive. Double-click the ASSETUP.EXE to display their respective menus. 1.8 Software support 1.8.1 Installing an operating system This motherboard supports Windows® 7 (32bit/64bit), Windows® 8 (32bit/64bit) and Windows® 8.1 (32bit/64bit) Operating Systems (OS). Motherboard settings and hardware options vary. The following screen is NOT enabled in your OS...
... hardware. Click Drivers, Utilities, AHCI Driver, Manual, Contact and Specials tabs to run the Support DVD Place the Support DVD into the optical drive. Double-click the ASSETUP.EXE to display their respective menus. 1.8 Software support 1.8.1 Installing an operating system This motherboard supports Windows® 7 (32bit/64bit), Windows® 8 (32bit/64bit) and Windows® 8.1 (32bit/64bit) Operating Systems (OS). Motherboard settings and hardware options vary. The following screen is NOT enabled in your OS...
User Guide
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BIOS information 2.1 Managing and updating your motherboard's driver, software and firmware Model Name: B85-A R2.0 Version: 0306 Release Date: 02/27/2014 Click to find and select the BIOS from file Click to select a boot logo Click to update the BIOS EZ Update requires an Internet connection either through a network or an ISP (Internet Service Provider). Click to automatically update your BIOS 2 Save a copy of the original motherboard BIOS file to a USB flash disk in the future. With...
BIOS information 2.1 Managing and updating your motherboard's driver, software and firmware Model Name: B85-A R2.0 Version: 0306 Release Date: 02/27/2014 Click to find and select the BIOS from file Click to select a boot logo Click to update the BIOS EZ Update requires an Internet connection either through a network or an ISP (Internet Service Provider). Click to automatically update your BIOS 2 Save a copy of the original motherboard BIOS file to a USB flash disk in the future. With...
User Guide
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... the motherboard support DVD and a USB flash drive formatted using this utility, rename the BIOS file in the removable device into B85AR2.CAP. • The BIOS file in NTFS format. 3. NTFS is an auto recovery tool that contains the BIOS file to a hard disk drive or USB flash drive in the support DVD may not be the latest version. Do not save them on the USB flash drive. ASUS B85-A R2.0 2-3 Recovering the BIOS To recover the BIOS: 1. When found, the utility reads the BIOS file and enters ASUS EZ Flash 2 utility...
... the motherboard support DVD and a USB flash drive formatted using this utility, rename the BIOS file in the removable device into B85AR2.CAP. • The BIOS file in NTFS format. 3. NTFS is an auto recovery tool that contains the BIOS file to a hard disk drive or USB flash drive in the support DVD may not be the latest version. Do not save them on the USB flash drive. ASUS B85-A R2.0 2-3 Recovering the BIOS To recover the BIOS: 1. When found, the utility reads the BIOS file and enters ASUS EZ Flash 2 utility...
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... the USB port. 2. Updating the BIOS file To update the BIOS file using BIOS Updater: 1. The BIOS Updater screen appears as the boot device. 3. Insert the support DVD into the optical drive and select the optical drive as below. At the FreeDOS prompt, type bupdater /pc /g and press . 2. ASUSTek BIOS Updater for DOS V1.30 B85-A R2.0 0306 02/27/2014 B85M-A-R2-ASUS-0306.CAP 8194 2014-02-27 15:25:48 2-4 Chapter 2: Getting started Insert the USB flash drive...
... the USB port. 2. Updating the BIOS file To update the BIOS file using BIOS Updater: 1. The BIOS Updater screen appears as the boot device. 3. Insert the support DVD into the optical drive and select the optical drive as below. At the FreeDOS prompt, type bupdater /pc /g and press . 2. ASUSTek BIOS Updater for DOS V1.30 B85-A R2.0 0306 02/27/2014 B85M-A-R2-ASUS-0306.CAP 8194 2014-02-27 15:25:48 2-4 Chapter 2: Getting started Insert the USB flash drive...
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... options: [Auto] [1 DRAM Clock] - [31 DRAM Clock] DRAM RAS# ACT Time [Auto] Configuration options: [Auto] [1 DRAM Clock] - [63 DRAM Clock] DRAM COMMAND Rate [Auto] Configuration options: [Auto] [1 DRAM Clock] [2 DRAM Clock] [3 DRAM Clock] Secondary Timings DRAM RAS# to enable or disable the EPU power saving function. Use the and keys to set to become unstable! To restore the default setting, type [auto] using the keyboard and press the key. CPU Graphics Ratio [Auto] [Auto] [Manaul] The CPU Graphics Max. Configuration options: [Disabled] [Enabled] 2.5.10 DRAM Timing Control...
... options: [Auto] [1 DRAM Clock] - [31 DRAM Clock] DRAM RAS# ACT Time [Auto] Configuration options: [Auto] [1 DRAM Clock] - [63 DRAM Clock] DRAM COMMAND Rate [Auto] Configuration options: [Auto] [1 DRAM Clock] [2 DRAM Clock] [3 DRAM Clock] Secondary Timings DRAM RAS# to enable or disable the EPU power saving function. Use the and keys to set to become unstable! To restore the default setting, type [auto] using the keyboard and press the key. CPU Graphics Ratio [Auto] [Auto] [Manaul] The CPU Graphics Max. Configuration options: [Disabled] [Enabled] 2.5.10 DRAM Timing Control...
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... CPU. Configuration options: [+] [-] ASUS B85-A R2.0 2-21 Configurations: [Auto] [0.00] - [1.50]. Use the and keys to enhance the response of voltage when increasing core frequency. Offset Mode Sign [+] This item appears only when you set the CPU Core Voltage to [Offset Mode] or [Adaptive Mode] and allows you to set the power saving level 2 threshhold. Power Current Slope [Auto] Allows you to set the power current offset. Power Current Offset [Auto] Allows you to [Disabled] and helps provide over voltage...
... CPU. Configuration options: [+] [-] ASUS B85-A R2.0 2-21 Configurations: [Auto] [0.00] - [1.50]. Use the and keys to enhance the response of voltage when increasing core frequency. Offset Mode Sign [+] This item appears only when you set the CPU Core Voltage to [Offset Mode] or [Adaptive Mode] and allows you to set the power saving level 2 threshhold. Power Current Slope [Auto] Allows you to set the power current offset. Power Current Offset [Auto] Allows you to [Disabled] and helps provide over voltage...
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... Intel® SpeedStep Technology (EIST). [Disabled] The CPU runs at its default speed. [Enabled] The operating system controls the CPU speed. Configuration options: [Disabled] [CPU C7] [CPU C7s] C7 Latency [Long] Allows you to disable or enable the CPU C7 report to choose short or long latency for C6. Configuration options: [Short] [Long] ASUS B85-A R2.0 2-27 Configuration options: [Enabled] [Disabled] Turbo Mode is available on selected CPU models only. EIST [Enabled] Allows you set the processor cores to manage and configure the CPU's power. The following...
... Intel® SpeedStep Technology (EIST). [Disabled] The CPU runs at its default speed. [Enabled] The operating system controls the CPU speed. Configuration options: [Disabled] [CPU C7] [CPU C7s] C7 Latency [Long] Allows you to disable or enable the CPU C7 report to choose short or long latency for C6. Configuration options: [Short] [Long] ASUS B85-A R2.0 2-27 Configuration options: [Enabled] [Disabled] Turbo Mode is available on selected CPU models only. EIST [Enabled] Allows you set the processor cores to manage and configure the CPU's power. The following...
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Configuration options: [Disabled] [Auto] [L0s] [L1] L0sL1]. Hybrid Hard Disk Support [Disabled] Allows you to select the PCI Express port speed. PCIe Speed [Auto] Allows you to enable or disable hybrid hard disk support. Configuration options: [Enabled] [Disabled] Active Memory Threshold [0] Key in the value for the additional partition size for Rapid Start Technology to Rapid Start Technology S4 mode. Configuration options: [Auto] [Gen1] [Gen2] Intel® Rapid Start Technology Intel® Rapid Start Technology [Disabled] Allows you to disable or enable the whole C-State ...
Configuration options: [Disabled] [Auto] [L0s] [L1] L0sL1]. Hybrid Hard Disk Support [Disabled] Allows you to select the PCI Express port speed. PCIe Speed [Auto] Allows you to enable or disable hybrid hard disk support. Configuration options: [Enabled] [Disabled] Active Memory Threshold [0] Key in the value for the additional partition size for Rapid Start Technology to Rapid Start Technology S4 mode. Configuration options: [Auto] [Gen1] [Gen2] Intel® Rapid Start Technology Intel® Rapid Start Technology [Disabled] Allows you to disable or enable the whole C-State ...
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Configuration options: [Native] [Legacy] S.M.A.R.T. Status Check [Enabled] S.M.A.R.T. (Self-Monitoring, Analysis and Reporting Technology) is installed to report warning messages during the POST. When read/write of your hard disk errors occur, this function. SATA Mode Selection [AHCI] Allows you to set the SATA Mode Selection item to enable or disable PCH entering link power state aggressively. The AHCI allows the onboard storage driver to enable advanced Serial ATA features that increases storage performance on memory control hub. [Enabled] Enables the function. [Disabled] ...
Configuration options: [Native] [Legacy] S.M.A.R.T. Status Check [Enabled] S.M.A.R.T. (Self-Monitoring, Analysis and Reporting Technology) is installed to report warning messages during the POST. When read/write of your hard disk errors occur, this function. SATA Mode Selection [AHCI] Allows you to set the SATA Mode Selection item to enable or disable PCH entering link power state aggressively. The AHCI allows the onboard storage driver to enable advanced Serial ATA features that increases storage performance on memory control hub. [Enabled] Enables the function. [Disabled] ...
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... of system memory allocated to control ASPM support for multiple-monitor output. The iGPU shared system memory size will be the Primary Display. Configuration options: [Auto] [Enabled] [Disabled] NB PCIe Configuration Allows you to enable or disable Memory Scrambler support. 2-30 Chapter 2: Getting started Configuration options: [Auto] [Disabled] [L0s] [L1] [L0sL1] PEG - Configuration options: [Disabled] [Auto] [ASPM L0s] [ASPM L1] [ASPM L0sL1] Memory Configuration Memory Scrambler [Enabled] Allows you to configure the NB PCI Express settings. Configuration options: [Auto] [32M] [64M...
... of system memory allocated to control ASPM support for multiple-monitor output. The iGPU shared system memory size will be the Primary Display. Configuration options: [Auto] [Enabled] [Disabled] NB PCIe Configuration Allows you to enable or disable Memory Scrambler support. 2-30 Chapter 2: Getting started Configuration options: [Auto] [Disabled] [L0s] [L1] [L0sL1] PEG - Configuration options: [Disabled] [Auto] [ASPM L0s] [ASPM L1] [ASPM L0sL1] Memory Configuration Memory Scrambler [Enabled] Allows you to configure the NB PCI Express settings. Configuration options: [Auto] [32M] [64M...
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... ports. USB Single Port Control USB3_1, 2, 5, 6 [Enabled] Allows you to configure the Platform Misc. Configuration options: [Enabled] [Disabled]. Configuration options: [Disabled] [Enabled] ASUS B85-A R2.0 2-31 If no USB device is detected, the legacy USB support is enabled. If detected, the USB controller legacy mode is disabled. Configuration options: [Enabled] [Disabled]. 2.6.6 Platform Misc Configuration The items in this menu allow you to change the USB-related features. Refer to the section 1.2.3 Motherboard layout in this user manual for the locations of PCI...
... ports. USB Single Port Control USB3_1, 2, 5, 6 [Enabled] Allows you to configure the Platform Misc. Configuration options: [Enabled] [Disabled]. Configuration options: [Disabled] [Enabled] ASUS B85-A R2.0 2-31 If no USB device is detected, the legacy USB support is enabled. If detected, the USB controller legacy mode is disabled. Configuration options: [Enabled] [Disabled]. 2.6.6 Platform Misc Configuration The items in this menu allow you to change the USB-related features. Refer to the section 1.2.3 Motherboard layout in this user manual for the locations of PCI...
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... LAN Controller [Enabled] [Enabled] Enables the Realtek LAN controller. [Disabled] Disables the controller. Front Panel Type [HD] Allows you to set the Serial Port to [Enabled] and allows you to [Enabled]. Serial Port [Enabled] Allows you to enable the Depop. [Disabled] Enables the Depop. IRQ=3] 2-32 Chapter 2: Getting started Depop [Enabled] [Enabled] Allows you to enable or disable the serial port (COM).Configuration options: [Enabled] [Disabled] Change Settings [IO=3F8h; IRQ=4] This item appears only when you set the front panel audio connector (AAFP) mode to legacy...
... LAN Controller [Enabled] [Enabled] Enables the Realtek LAN controller. [Disabled] Disables the controller. Front Panel Type [HD] Allows you to set the Serial Port to [Enabled] and allows you to [Enabled]. Serial Port [Enabled] Allows you to enable the Depop. [Disabled] Enables the Depop. IRQ=3] 2-32 Chapter 2: Getting started Depop [Enabled] [Enabled] Allows you to enable or disable the serial port (COM).Configuration options: [Enabled] [Disabled] Change Settings [IO=3F8h; IRQ=4] This item appears only when you set the front panel audio connector (AAFP) mode to legacy...