Asus B85-A Manuale Utente

MotherboardB85-A

1-2Chapter 1: Product introductionB85-APlace this side towards the rear of the chassis1.2.3 Motherboard layoutB85-APCIEX16_1PCIEX16_2PCIEX1_1PCIEX1_2

ASUS B85-A1-31.2.4 Layout contents1.3 Central Processing Unit (CPU)This motherboard comes with a surface mount LGA1150 socket designed for the Intel

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-A1-5ABC541.3.2 CPU heatsink and fan assembly installationApply the Thermal Interface Material to the CPU heatsink and CPU before you install

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

ASUS B85-A1-71.4 System memory1.4.1 OverviewThis motherboard comes with four Double Data Rate 3 (DDR3) Dual Inline Memory Module (DIMM) sockets. A D

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-A1-92. Remove the DIMM from the socket.Support the DIMM lightly with your ngers when pressing the retaining clips. The DIMM might get damag

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-A1-11B85-AB85-A Clear RTC RAM1 2 2 3Normal(Default)Clear RTCCLRTCTo erase the RTC RAM:1. Turn OFF the computer and unplug the power cord.2.

iiE8695First Edition V1Sept. 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-A1-13• 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 inst

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-A1-155. 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 these c

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

ASUS B85-A1-178. 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 v

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-A1-191.8 Onboard LEDs1. Standby Power LEDThe motherboard comes with a standby power LED that lights up to indicate that the system is ON, i

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

ASUS B85-A2-12.1 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 B

iiiContentsSafety information ... ivAbout this guide ...

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-A2-32.1.3 ASUS CrashFree BIOS 3 utilityThe ASUS CrashFree BIOS 3 is an auto recovery tool that allows you to restore the BIOS le when it fa

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-A2-53. Press <Tab> to switch between screen elds and use the <Up/Down/Home/End> keys to select the BIOS le and press <Enter

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-A2-7• The boot device options vary depending on the devices you installed to the system.• The Boot Menu(F8) button is available only when t

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-A2-9Pop-up windowSelect a menu item and press <Enter> to display a pop-up window with the conguration options for that item.Scroll bar

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

ASUS B85-A2-11• If you have forgotten your BIOS password, erase the CMOS Real Time Clock (RTC) RAM to clear the BIOS password. See section 1.6 Jumper

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

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-A2-13Scroll down to display the following items:Target CPU Turbo-Mode Speed : xxxxMHzDisplays the target CPU Turbo-Mode speed.Target DRAM Spe

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-A2-152.5.7 Memory Frequency [Auto]Allows you to set the memory operating frequency. The conguration options vary with the BCLK/PEG Frequenc

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-A2-17tWRRD_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-A2-192.5.13 CPU Power ManagementThe subitems in this menu allow you to set the CPU ratio and features.Enhanced Intel® SpeedStep Technology [

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

ASUS B85-A2-21[Adaptive Mode] is available for some specic CPU types.CPU Core Voltage Override [Auto]This item appears only when you set the CPU Core

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

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-A2-23CPU System Agent Voltage Offset [Auto]This item allows you to set the CPU system agent voltage offset. Increase the value when increasin

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-A2-252.6.1 CPU CongurationThe items in this menu show the CPU-related information that the BIOS automatically detects.The items shown in su

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

ASUS B85-A2-27Enhanced C1 state [Enabled][Enabled] Enables enhanced C1 state.[Disabled] Disables enhanced C1 state.CPU C3 Report [Enabled]Allows you

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-A2-29S.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 of

2-30Chapter 2: Getting startedDMI Link ASPM Control [Auto]Allows you to enable or disable the control of Active State Power Management on SA side of t

ASUS B85-A2-31USB_3, 4, 9~14 [Enabled] Allows you to enable or disable an individual USB port. Refer to the section 1.2.3 Motherboard layout in this u

viB85-A specications summary(continued on the next page)Package contentsCheck your motherboard package for the following items.Motherboard ASUS B85-A

2-32Chapter 2: Getting startedChange Settings [IO=3F8h; IRQ=4]This item appears only when you set the Serial Port to [Enabled] and allows you to selec

ASUS B85-A2-332.6.9 Network StackNetwork Stack [Disabled]This item allows user to disable or enable the UEFI network stack. Conguration options: [Di

2-34Chapter 2: Getting started2.7.1 CPU Temperature [xxxºC/xxxºF]The onboard hardware monitor automatically detects and displays the CPU temperature.

ASUS B85-A2-35CPU Fan Min. Duty Cycle(%) [20]Use the <+> and <-> keys to adjust the minimum CPU fan duty cycle. The values range from 20%

2-36Chapter 2: Getting started2.8 Boot menuThe Boot menu items allow you to change the system boot options.Scroll down to display the following items

ASUS B85-A2-37USB Support [Partial Initialization][Disabled] All USB devices will not be available until OS boot up for a fastest POST time.[Full

2-38Chapter 2: Getting started2.8.3 Bootup NumLock State [On][On] Sets the power-on state of the NumLock to [On].[Off] Sets the power-on state of t

ASUS B85-A2-39Boot from Storage Devices [Legacy OPROM rst]Allows you to select the type of storage devices that you want to launch. Conguration opti

2-40Chapter 2: Getting startedDelete PKAllows you to delete the PK from your system. Once the PK is deleted, all the system’s Secure Boot keys will no

ASUS B85-A2-41Delete the DBXAllows you to delete the DBX le from your system. Conguration options: [Yes] [No]Load DBX from FileAllows you to load th

viiB85-A specications summary(continued on the next page)Storage Intel® B85 Express Chipset: - 2 x Serial ATA 3.0 Gb/s connectors (dark brown) - 4

2-42Chapter 2: Getting started2.9 Tools menuThe Tools menu items allow you to congure options for special functions. Select an item then press <E

ASUS B85-A2-432.10 Exit menuThe Exit menu items allow you to load the optimal default values for the BIOS items, and save or discard your changes to

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

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

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

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

viiiB85-A 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 mouse p

ASUS B85-A1-1Product introduction11.1 Before you proceedTake note of the following precautions before you install motherboard components or change an