Asus B85M-G User Manual

MotherboardB85M-G

1-2Chapter 1: Product introductionB85M-GPlace this side towards the rear of the chassis1.2.3 Motherboard layoutB85M-GPCIEX16PCIEX1_1PCIEX1_2F_PANELSP

ASUS B85M-G1-31.2.4 Layout contentsConnectors/Jumpers/Slots/LED Page1. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V) 1-142. Keyboard and USB

1-4Chapter 1: Product introduction1.3.1 Installing the CPU123ABUnplug all power cables before installing the CPU.• Upon purchase of the motherboard,

ASUS B85M-G1-5ABC541.3.2 CPU heatsink and fan assembly installationApply the Thermal Interface Material to the CPU heatsink and CPU before you instal

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

ASUS B85M-G1-71.4 System memory1.4.1 OverviewThis motherboard comes with four Double Data Rate 3 (DDR3) Dual Inline Memory Module (DIMM) sockets. A

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

ASUS B85M-G1-92. Remove the DIMM from the socket.Support the DIMM lightly with your ngers when pressing the retaining clips. The DIMM might get dama

1-10Chapter 1: Product introduction1.5.3 PCI Express 2.0 x1 slotsThis motherboard supports PCI Express x1 network cards, SCSI cards, and other cards

ASUS B85M-G1-11Except when clearing the RTC RAM, never remove the cap on CLRTC jumper default position. Removing the cap will cause system boot failur

iiE8146First Edition V1May 2013Copyright © 2013 ASUSTeK COMPUTER INC. All Rights Reserved.No part of this manual, including the products and software

1-12Chapter 1: Product introduction1.7 Connectors1.7.1 Rear panel connectorsLAN portSpeed LEDActivity Link LED4 536910 711221181. PS/2 mouse port (

ASUS B85M-G1-13Audio 2, 4, 6, or 8-channel congurationPortHeadset 2-channel4-channel 6-channel 8-channelLight Blue (Rear panel) Line In Rear Speaker

1-14Chapter 1: Product introduction1.7.2 Internal connectors• We recommend that you use an ATX 12V Specication 2.0-compliant power supply unit (PSU)

ASUS B85M-G1-153. Front panel audio connector (10-1 pin AAFP)This connector is for a chassis-mounted front panel audio I/O module that supports eithe

1-16Chapter 1: Product introduction6. Speaker connector (4-pin SPEAKER)The 4-pin connector is for the chassis-mounted system warning speaker. The spe

ASUS B85M-G1-178. 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 drives

1-18Chapter 1: Product introduction9. USB 3.0 connector (20-1 pin USB3_12)This connector allows you to connect a USB 3.0 module for additional USB 3.

ASUS B85M-G1-1911. System panel connector (10-1 pin PANEL)This connector supports several chassis-mounted functions.• System power LED (2-pin PWR_LE

1-20Chapter 1: Product introduction13. Chassis intrusion connector (4-1 pin CHASSIS)This connector is for a chassis-mounted intrusion detection senso

ASUS B85M-G1-211.9 Software support1.9.1 Installing an operating systemThis motherboard supports Windows® 7 (32bit/64bit) and Windows® 8 (32bit/64bi

iiiContentsSafety information ... ivAbout this guid

ASUS B85M-G2-12.1 Managing and updating your BIOSSave a copy of the original motherboard BIOS le to a USB ash disk in case you need to restore the

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 B85M-G2-32.1.3 ASUS CrashFree BIOS 3 utilityThe ASUS CrashFree BIOS 3 is an auto recovery tool that allows you to restore the BIOS le when it f

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 B85M-G2-53. Press <Tab> to switch between screen elds and use the <Up/Down/Home/End> keys to select the BIOS le and press <Ente

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 B85M-G2-7• The boot device options vary depending on the devices you installed to the system.• The Boot Menu (F8) button is available only when

2-8Chapter 2: Getting startedNavigation keysGeneral helpMenu barSubmenu itemConguration eldsMenu itemsBack buttonPop-up windowScroll barMenu itemsTh

ASUS B85M-G2-9Pop-up windowSelect a menu item and press <Enter> to display a pop-up window with the conguration options for that item.Scroll ba

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 B85M-G2-11Administrator PasswordIf you have set an administrator password, we recommend that you enter the administrator password for accessing t

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 B85M-G2-13Scroll down to display the following items:Target CPU Turbo-Mode Speed : xxxxMHzDisplays the target CPU Turbo-Mode speed.Target DRAM Sp

2-14Chapter 2: Getting startedThe following two items appear only when you set the CPU Core Ratio to [Sync All Cores] or [Per Core].1-Core Ratio Limit

ASUS B85M-G2-152.5.11 DRAM Timing ControlThe subitems in this menu allow you to set the DRAM timing control features. Use the <+> and <->

2-16Chapter 2: Getting startedRTL IOL controlDRAM RTL initial Value [Auto]Conguration options: [Auto] [1 DRAM Clock] – [63 DRAM Clock]DRAM RTL (CHA)

ASUS B85M-G2-17Allows you to enable or disable the MRC fast boot. Conguration options: [Auto] [Enabled] [Disabled]DRAM CLK Period [Auto]Conguration

2-18Chapter 2: Getting startedCPU Power Duty Control [T.Probe]DIGI + VRM Duty Control adjusts the current of every VRM phase and the thermal condition

ASUS B85M-G2-19CPU Internal Power Switching FrequencyFrequency Tuning Mode [Auto]Allows you to set the frequency tuning mode. Conguration options: [A

2-20Chapter 2: Getting startedUse the <+> and <-> keys to adjust the value.Power Saving Level 3 Threshhold [Auto]Allows you to set the pow

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

ASUS B85M-G2-21CPU Cache Voltage Override [Auto]This item appears only when you set the CPU Cache Voltage to [Manual Mode] and allows you to set the C

2-22Chapter 2: Getting startedTotal Adaptive Mode CPU Graphics Voltage [Auto]This item appears only when you set the CPU Graphics Voltage to [Adaptive

ASUS B85M-G2-232.6 Advanced menuThe Advanced menu items allow you to change the settings for the CPU and other system devices.Be cautious when changi

2-24Chapter 2: Getting started2.6.1 CPU CongurationThe items in this menu show the CPU-related information that the BIOS automatically detects.The i

ASUS B85M-G2-25Boot performance mode [Max Non-Tu...]This item allows you to select the boot performance mode. Conguration options: [Max Non-Turbo Per

2-26Chapter 2: Getting started2.6.2 PCH CongurationPCI Express CongurationDMI Link ASPM Control [Auto]Allows you to control the Active State Power

ASUS B85M-G2-272.6.3 SATA CongurationWhile entering Setup, the BIOS automatically detects the presence of SATA devices. The SATA Port items show Not

2-28Chapter 2: Getting startedGraphics CongurationAllows you to select a primary display from iGPU, and PCIe graphical devices.Primary Display [Auto]

ASUS B85M-G2-292.6.5 USB CongurationThe items in this menu allow you to change the USB-related features.The USB Devices item shows the auto-detected

2-30Chapter 2: Getting started2.6.7 Onboard Devices CongurationHD Audio Controller [Enabled][Enabled] Enables the HD Audio Device.[Disabled] Disab

viB85M-G specications summary(continued on the next page)CPU LGA1150 socket for Intel® 4th Generation CoreTM i7/ i5 / i3, Pentium®, Celeron® Processo

ASUS B85M-G2-31Change Settings [Auto]Allows you to select an optimal setting for Super I/O devices. Conguration options: [Auto] [IO=378h; IRQ=5;] [IO

2-32Chapter 2: Getting started2.6.9 Network StackNetwork Stack [Disabled]This item allows user to disable or enable the UEFI network stack. Congurat

ASUS B85M-G2-332.7.1 CPU Temperature [xxxºC/xxxºF]The onboard hardware monitor automatically detects and displays the CPU temperature. Select Ignore

2-34Chapter 2: Getting startedCPU Lower Temperature [20]Displays the lower limit of the CPU temperature.CPU Fan Min. Duty Cycle(%) [20]Use the <+&g

ASUS B85M-G2-352.8 Boot menuThe Boot menu items allow you to change the system boot options.Scroll down to display the following items:2.8.1 Fast Bo

2-36Chapter 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 B85M-G2-37[Off] Sets the power-on state of the NumLock to [Off].2.8.4 Wait for ‘F1’ If Error [Enabled]When this item is set to [Enabled], the s

2-38Chapter 2: Getting startedBoot from PCIe/PCI Expansion Devices [Legacy OpROM rst]Allows you to select the type of PCIe/PCI expansion devices that

ASUS B85M-G2-39KEK ManagementThe KEK (Key-exchange Key or Key Enrollment Key) manages the Signature database (db) and Revoked Signature database (dbx)

2-40Chapter 2: Getting started2.8.10 Boot Option PrioritiesThese items specify the boot device priority sequence from the available devices. The numb

viiB85M-G specications summaryLANRealtek 8111G Gigabit LAN controllerAudio 8-channel Realtek® ALC887-VD2 High Denition Audio CODEC- Supports multi-

ASUS B85M-G2-412.9 Tools menuThe Tools menu items allow you to congure options for special functions. Select an item then press <Enter> to dis

2-42Chapter 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

B85M-GA-1AppendicesNoticesFederal Communications Commission StatementThis device complies with Part 15 of the FCC Rules. Operation is subject to the f

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

B85M-GA-3ASUS contact informationASUSTeK COMPUTER INC.Address 15 Li-Te Road, Peitou, Taipei, Taiwan 11259Telephone +886-2-2894-3447Fax +88

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

viiiB85M-G specications summaryInternal connectors 1 x USB 3.0 connector supports additional 2 USB 3.0 ports2 x USB 2.0 connectors support additional

ASUS B85M-G1-1Product introduction11.1 Before you proceedTake note of the following precautions before you install motherboard components or change a