Asus B85-PLUS User Manual

MotherboardB85-PLUS

1-2Chapter 1: Product introductionB85-PLUSPlace this side towards the rear of the chassis1.2.3 Motherboard layoutB85-PLUSPCIEX16_1PCIEX16_2PCIEX1_1PC

ASUS B85-PLUS1-31.2.4 Layout contents1.3 Central Processing Unit (CPU)This motherboard comes with a surface mount LGA1150 socket designed for the In

1-4Chapter 1: Product introduction1.3.1 Installing the CPU123ABUnplug all power cables before installing the CPU.• Ensure that you install the corre

ASUS B85-PLUS1-5ABC541.3.2 CPU heatsink and fan assembly installationApply the Thermal Interface Material to the CPU heatsink and CPU before you inst

1-6Chapter 1: Product introduction3 4ABBATo uninstall the CPU heatsink and fan assembly21To install the CPU heatsink and fan assembly2BAAB1

ASUS B85-PLUS1-71.4 System memory1.4.1 OverviewThis motherboard comes with four Double Data Rate 3 (DDR3) Dual Inline Memory Module (DIMM) sockets.

1-8Chapter 1: Product introduction• The default memory operation frequency is dependent on its Serial Presence Detect (SPD), which is the standard wa

ASUS B85-PLUS1-92. Remove the DIMM from the socket.Support the DIMM lightly with your ngers when pressing the retaining clips. The DIMM might get da

1-10Chapter 1: Product introduction1.5.3 PCI slotsThe PCI slot supports cards such as a LAN card, SCSI card, USB card, and other cards that comply wi

ASUS B85-PLUS1-11B85-PLUSB85-PLUS Clear RTC RAM1 2 2 3Normal(Default)Clear RTCCLRTCTo erase the RTC RAM:1. Turn OFF the computer and unplug the power

iiE7928First Edition V1April 2013Copyright © 2013 ASUSTeK COMPUTER INC. All Rights Reserved.No part of this manual, including the products and softwar

1-12Chapter 1: Product introductionLAN portSpeed LEDActivity Link LED1. PS/2 mouse port (green). This port is for a PS/2 mouse.2. Video Graphics Ada

ASUS B85-PLUS1-13• Due to USB 3.0 controller limitations, USB 3.0 devices can only be used under a Windows® OS environment and after USB 3.0 driver i

1-14Chapter 1: Product introduction3. Digital audio connector (4-1 pin SPDIF_OUT)This connector is for an additional Sony/Philips Digital Interface (

ASUS B85-PLUS1-155. USB 2.0 connectors (10-1 pin USB1112, USB1314)These connectors are for USB 2.0 ports. Connect the USB module cable to any of thes

1-16Chapter 1: Product introduction7. CPU and chassis fan connectors (4-pin CPU_FAN, 4-pin CHA_FAN1/2) Connect the fan cables to the fan connectors

ASUS B85-PLUS1-178. Intel® B85 Serial ATA 6.0Gb/s connector (7-pin SATA6G_1~4 [yellow])This connector connects to Serial ATA 6.0 Gb/s hard disk drive

1-18Chapter 1: Product introduction• System power LED (2-pin PWR_LED)This 2-pin connector is for the system power LED. Connect the chassis power LED

ASUS B85-PLUS1-191.8 Onboard LEDs1. Standby Power LEDThe motherboard comes with a standby power LED that lights up to indicate that the system is ON

1-20Chapter 1: Product introduction1.9 Software support1.9.1 Installing an operating systemThis motherboard supports Windows® 7 (32bit/64bit) and Wi

ASUS B85-PLUS1-211.9.3 Intel® SBA support Intel® SBA (Small Business Advantage) is a combination of hardware and software that provides unique securi

iiiContentsSafety information ... ivAbout this guide ...

ASUS B85-PLUS2-12.1 Managing and updating your BIOSSave a copy of the original motherboard BIOS le to a USB ash disk in case you need to restore th

2-2Chapter 2: Getting started2.1.2 ASUS EZ Flash 2The ASUS EZ Flash 2 feature allows you to update the BIOS without using an OS-based utility.Before

ASUS B85-PLUS2-32.1.3 ASUS CrashFree BIOS 3 utilityThe ASUS CrashFree BIOS 3 is an auto recovery tool that allows you to restore the BIOS le when it

2-4Chapter 2: Getting startedBooting the system to a DOS environment1. Insert the USB ash drive with the latest BIOS le and BIOS Updater to the USB

ASUS B85-PLUS2-53. Press <Tab> to switch between screen elds and use the <Up/Down/Home/End> keys to select the BIOS le and press <En

2-6Chapter 2: Getting started2.2 BIOS setup programUse the BIOS Setup program to update the BIOS or congure its parameters. The BIOS screens include

ASUS B85-PLUS2-7• The boot device options vary depending on the devices you installed to the system.• The Boot Menu(F8) button is available only whe

2-8Chapter 2: Getting startedMenu barThe menu bar on top of the screen has the following main items:My Favorites For saving the frequently-used system

ASUS B85-PLUS2-9Pop-up windowSelect a menu item and press <Enter> to display a pop-up window with the conguration options for that item.Scroll

2-10Chapter 2: Getting started2.4 Main menuThe Main menu screen appears when you enter the Advanced Mode of the BIOS Setup program. The Main menu pro

ivSafety informationElectrical safetyTo prevent electrical shock hazard, disconnect the power cable from the electrical outlet before relocating the s

ASUS B85-PLUS2-11• If you have forgotten your BIOS password, erase the CMOS Real Time Clock (RTC) RAM to clear the BIOS password. See section 1.6 Jum

2-12Chapter 2: Getting started2.5 Ai Tweaker menuThe Ai Tweaker menu items allow you to congure overclocking-related items.Be cautious when changing

ASUS B85-PLUS2-13Scroll down to display the following items:Target CPU Turbo-Mode Speed : xxxxMHzDisplays the target CPU Turbo-Mode speed.Target DRAM

2-14Chapter 2: Getting started2.5.3 CPU Core Ratio [Auto]Allows you to set the CPU core ratio automatically or manually.[Auto] Sets all CPU Core Rat

ASUS B85-PLUS2-152.5.7 Memory Frequency [Auto]Allows you to set the memory operating frequency. The conguration options vary with the BCLK/PEG Frequ

2-16Chapter 2: Getting startedSecondary TimingsDRAM RAS# to RAS# Delay [Auto]Conguration options: [Auto] [1 DRAM Clock] – [15 DRAM Clock]DRAM REF Cyc

ASUS B85-PLUS2-17tWRRD_dr [Auto]Conguration options: [Auto] [1 DRAM Clock] – [15 DRAM Clock]tWRRD_dd [Auto]Conguration options: [Auto] [1 DRAM Clock

2-18Chapter 2: Getting started2.5.12 DIGI+ VRMCPU Load-Line Calibration [Auto]Load-line is dened by Intel VRM specication and affects CPU voltage.

ASUS B85-PLUS2-192.5.13 CPU Power ManagementThe subitems in this menu allow you to set the CPU ratio and features.Enhanced Intel® SpeedStep Technolog

2-20Chapter 2: Getting startedCPU Internal Power ConfigurationCPU Integrated VR Efciency Management [Auto]Allows you to manage the CPU integrated VR

vWhere to nd more informationRefer to the following sources for additional information and for product and software updates.1. ASUS websitesThe ASUS

ASUS B85-PLUS2-21[Adaptive Mode] is available for some specic CPU types.CPU Core Voltage Override [Auto]This item appears only when you set the CPU C

2-22Chapter 2: Getting startedAdditional Turbo Mode CPU Cache Voltage [Auto]This item appears only when you set the CPU Cache Voltage to [Adaptive Mod

ASUS B85-PLUS2-23CPU System Agent Voltage Offset [Auto]This item allows you to set the CPU system agent voltage offset. Increase the value when increa

2-24Chapter 2: Getting started2.6 Advanced menuThe Advanced menu items allow you to change the settings for the CPU and other system devices.Be cauti

ASUS B85-PLUS2-252.6.1 CPU CongurationThe items in this menu show the CPU-related information that the BIOS automatically detects.The items shown in

2-26Chapter 2: Getting startedExecute Disable Bit [Enabled][Enabled] Enables the No-Execution Page Protection Technology.[Disabled] Forces the XD fe

ASUS B85-PLUS2-27Enhanced C1 state [Enabled][Enabled] Enables enhanced C1 state.[Disabled] Disables enhanced C1 state.CPU C3 Report [Enabled]Allows

2-28Chapter 2: Getting startedEntry After [x]Allows you to set the wake-up time.The values range from 0 (immediately) to 120.Active Page Threshold Sup

ASUS B85-PLUS2-29S.M.A.R.T. Status Check [Enabled]S.M.A.R.T. (Self-Monitoring, Analysis and Reporting Technology) is a monitor system. When read/write

2-30Chapter 2: Getting startedPCIEX16_1 Link Speed [Auto]Allows you to congure the PCIEX16_1 speed.Conguration options: [Auto] [Gen1] [Gen2] [Gen3]D

viB85-PLUS specications summary(continued on the next page)Package contentsCheck your motherboard package for the following items.Motherboard ASUS B8

ASUS B85-PLUS2-31Legacy USB Support [Enabled][Disabled] The USB devices can be used only for the BIOS setup program.[Enabled] Enables the support fo

2-32Chapter 2: Getting startedFront Panel Type [HD]Allows you to set the front panel audio connector (AAFP) mode to legacy AC’97 or high-denition aud

ASUS B85-PLUS2-33[Power Key] Sets Power key on the PS/2 keyboard to turn on the system. This feature requires an ATX power supply that provides at le

2-34Chapter 2: Getting started2.7 Monitor menuThe Monitor menu displays the system temperature/power status, and allows you to change the fan setting

ASUS B85-PLUS2-352.7.4 CPU Q-Fan Control [Enabled][Disabled] Disables the CPU Q-Fan control feature.[Enabled] Enables the CPU Q-Fan control feature

2-36Chapter 2: Getting startedChassis1/2 Fan Prole [Standard]This item appears only when you enable the Chassis1/2 Q-Fan Control feature and allows y

ASUS B85-PLUS2-372.8 Boot menuThe Boot menu items allow you to change the system boot options.Scroll down to display the following items:2.8.1 Fast

2-38Chapter 2: Getting startedPS/2 Keyboard and Mouse Support [Auto]Select any of these settings when PS/2 keyboard and mouse are installed. These set

ASUS B85-PLUS2-392.8.4 Wait for ‘F1’ If Error [Enabled]When this item is set to [Enabled], the system waits for the F1 key to be pressed when error o

2-40Chapter 2: Getting startedBoot from PCIe/PCI Expansion Devices [Legacy OpROM rst]Allows you to select the type of PCIe/PCI expansion devices that

viiB85-PLUS specications summary(continued on the next page)Storage Intel® B85 Express Chipset: - 2 x Serial ATA 3.0 Gb/s connectors (dark brown) -

ASUS B85-PLUS2-41KEK ManagementThe KEK (Key-exchange Key or Key Enrollment Key) manages the Signature database (db) and Revoked Signature database (db

2-42Chapter 2: Getting started2.8.10 Boot Option PrioritiesThese items specify the boot device priority sequence from the available devices. The numb

ASUS B85-PLUS2-432.9 Tools menuThe Tools menu items allow you to congure options for special functions. Select an item then press <Enter> to d

2-44Chapter 2: Getting started2.10 Exit menuThe Exit menu items allow you to load the optimal default values for the BIOS items, and save or discard

B85-PLUSA-1AppendicesNoticesFederal Communications Commission StatementThis device complies with Part 15 of the FCC Rules. Operation is subject to the

A-2AppendicesREACHComplying with the REACH (Registration, Evaluation, Authorisation, and Restriction of Chemicals) regulatory framework, we published

B85-PLUSA-3ASUS contact informationASUSTeK COMPUTER INC.Address 15 Li-Te Road, Peitou, Taipei, Taiwan 11259Telephone +886-2-2894-3447Fax +

A-4AppendicesDECLARATION OF CONFORMITYPer FCC Part 2 Section 2. 1077(a) Responsible Party Name: Asus Computer International Address: 800 Corpora

viiiB85-PLUS specications summarySpecications are subject to change without notice. Back Panel I/O ports1 x PS/2 keyboard port (purple)1 x PS/2 mous

ASUS B85-PLUS1-1Product introduction11.1 Before you proceedTake note of the following precautions before you install motherboard components or change