Asus M5A99X EVO R2.0 User Manual Page 1

MotherboardM5A99X EVO R2.0

xM5A99X EVO R2.0 specications summary(continued on the next page)USB 2 x ASMedia USB 3.0 controllers- 2 x USB 3.0/2.0 ports at mid-board for front pa

3-28Chapter 3: BIOS setupChapter 3CPU Temperature / MB Temperature [xxxºC/xxxºF]The onboard hardware monitor automatically detects and displays the CP

ASUS M5A99X EVO R2.03-29Chapter 3CPU Q-Fan Control [Enabled][Disabled] Disables the CPU Q-Fan control feature.[Enabled] Enables the CPU Q-Fan contro

3-30Chapter 3: BIOS setupChapter 3Chassis Fan Profile [Standard]This item appears only when you enable the Chassis Q-Fan Control feature and allows yo

ASUS M5A99X EVO R2.03-31Chapter 33.7 Boot menuThe Boot menu items allow you to change the system boot options.Bootup NumLock State [On][On] Sets the

3-32Chapter 3: BIOS setupChapter 3DirectKey Enabled [Go to BIOS...][Disabled] Disables the DirectKey function. The system will only power on or

ASUS M5A99X EVO R2.03-33Chapter 33.8.2 ASUS SPD InformationThis item allows you to get DRAM SPD information. 3.8 Tools menuThe Tools menu items allo

3-34Chapter 3: BIOS setupChapter 3LabelAllows you to input the label of your setup prole.Save to ProleAllows you to save the current BIOS settings t

ASUS M5A99X EVO R2.03-35Chapter 33.9 Exit menuThe Exit menu items allow you to load the optimal default values for the BIOS items, and save or discar

3-36Chapter 3: BIOS setupChapter 33.10 Updating BIOSThe ASUS website publishes the latest BIOS versions to provide enhancements on system stability,

ASUS M5A99X EVO R2.03-37Chapter 3Launching ASUS UpdateTo launch ASUS Update, click Update > ASUS Update on the AI Suite II main menu bar.Quit all W

xiM5A99X EVO R2.0 specications summaryASUS overclocking featuresPrecision Tweaker 2: - vCore: Adjustable CPU voltage at 0.00625V increment - vDDNB:

3-38Chapter 3: BIOS setupChapter 3• The screenshots in this section are for reference only. The actual BIOS information vary by models.• Refer to th

ASUS M5A99X EVO R2.03-39Chapter 33.10.2 ASUS EZ Flash 2ASUS EZ Flash 2 allows you to update the BIOS without having to use a bootable oppy disk or a

3-40Chapter 3: BIOS setupChapter 3• This function can support devices such as a USB ash disk with FAT 32/16 format and single partition only.• DO N

ASUS M5A99X EVO R2.03-41Chapter 33.10.3 ASUS BIOS UpdaterThe ASUS BIOS Updater allows you to update the BIOS in DOS environment. This utility also al

3-42Chapter 3: BIOS setupChapter 33. When the Make Disk menu appears, select the FreeDOS command prompt item by pressing the item number.4. At the

ASUS M5A99X EVO R2.03-43Chapter 34. Select Yes and press <Enter>. When BIOS update is done, press <ESC> to exit BIOS Updater. Restart you

3-44Chapter 3: BIOS setupChapter 3

ASUS M5A99X EVO R2.04-1Chapter 4Software support44.1 Installing an operating systemThis motherboard supports Windows® XP/ 64-bit XP/ Vista / 64-bit V

4-2Chapter 4: Software supportChapter 44.2.2 Obtaining the software manualsThe software manuals are included in the support DVD. Follow the instructi

ASUS M5A99X EVO R2.04-3Chapter 44.3 Software informationMost of the applications in the support DVD have wizards that will conveniently guide you thr

xiiM5A99X EVO R2.0 specications summaryBIOS features 64 Mb Flash ROM, UEFI BIOS, PnP, DMI2.0, WfM2.0, SM BIOS 2.7, ACPI 2.0a, Multi-language BIOS, AS

4-4Chapter 4: Software supportChapter 44.3.2 DIGI+ Power ControlASUS DIGI+ Power Control allows you to adjust VRM voltage and frequency modulation to

ASUS M5A99X EVO R2.04-5Chapter 4CPU Power1CPU Load-line CalibrationIt allows you to adjust the voltage settings and control the system temperature. Hi

4-6Chapter 4: Software supportChapter 44CPU/NB Load-line CalibrationSet to a higher value for system performance, or to a lower value for better therm

ASUS M5A99X EVO R2.04-7Chapter 4• The actual performance boost may vary depending on your CPU/DRAM specication.• Do not remove the thermal module.

4-8Chapter 4: Software supportChapter 4TurboVTurboV allows you to overclock the CPU Bus/PEG frequency, CPU voltage, CPU/NB voltage and DRAM voltage in

ASUS M5A99X EVO R2.04-9Chapter 4Using Advanced ModeClick on the Advanced Mode tab to adjust the advanced voltage settings.CPU RatioAllows you to manua

4-10Chapter 4: Software supportChapter 4Auto TuningASUS TurboV EVO provides you with these two auto-tuning modes for the most exible auto-tuning opti

ASUS M5A99X EVO R2.04-11Chapter 4Using Extreme Tuning1. Click Auto Tuning tab > Extreme. 2. Read the warning messages and click Start to start th

4-12Chapter 4: Software supportChapter 44.3.4 EPUEPU is an energy-processing utility that provides several power-saving modes. When set to the Auto M

ASUS M5A99X EVO R2.04-13Chapter 44.3.5 Remote GO!Connect your computer to a wireless network and use Remote GO! to wirelessly stream media les to DL

xiiiPackage contentsCheck your motherboard package for the following items.User ManualASUS M5A99X EVO R2.0 motherboardUser guide Support DVD4 x Serial

4-14Chapter 4: Software supportChapter 4Wi-Fi GO! RemoteInstall the Wi-Fi GO! Remote application on your mobile device to use Remote GO!’s remote cont

ASUS M5A99X EVO R2.04-15Chapter 4The Wi-Fi GO! Remote’s user interface shown above is for reference only and may vary with the mobile device’s operati

4-16Chapter 4: Software supportChapter 4Using the DLNA Media Hub1. From the main screen, click DLNA Media Hub.2. Click to select a device as your r

ASUS M5A99X EVO R2.04-17Chapter 4To edit the library:1. Tick Library.2. Click to add or delete music les.3. Click Add and locate the le from the

4-18Chapter 4: Software supportChapter 4To edit the video library:1. Tick Library.2. Click to add or delete video les.3. Click Add and locate the

ASUS M5A99X EVO R2.04-19Chapter 4To edit the image playlist:1. Tick Playlist.2. Click .3. Tick to select or deselect the image le and click Save P

4-20Chapter 4: Software supportChapter 43. The mobile device shows the information of the DLNA Media Hub function. Tap Enter to proceed to the Remote

ASUS M5A99X EVO R2.04-21Chapter 4Using the Remote Desktop via Wi-Fi GO! RemoteWhen the Remote Desktop is enabled, the mobile device shows the contents

4-22Chapter 4: Software supportChapter 4File TransferAllows you to transfer les wirelessly between your computer and mobile device.Click to go back t

ASUS M5A99X EVO R2.04-23Chapter 4Tap to select the le’s source locationTap to send selected lesTap to select all lesTap to clear all lesThe Wi-Fi

xivInstallation tools and components1 bag of screws Philips (cross) screwdriverPC chassis Power supply unitAMD AM3+ CPU AMD AM3+ compatible CPU FanDDR

4-24Chapter 4: Software supportChapter 44.3.6 USB 3.0 BoostASUS USB 3.0 Boost technology supports UASP (USB Attached SCSI Protocol) and automatically

ASUS M5A99X EVO R2.04-25Chapter 4• Ensure to install the LAN drivers before using this function.• Network iControl is only supported under Windows®

4-26Chapter 4: Software supportChapter 4Using Quick ConnectionConguring the PPPoE connection settingsBefore enabling the Network iControl’s Quick Con

ASUS M5A99X EVO R2.04-27Chapter 4Conguring the Quick ConnectionTo congure the auto-PPPoE connection:1. Click the Quick Connection tab.2. Tick Auto

4-28Chapter 4: Software supportChapter 4Using EZ ProleTo use the EZ Prole:EZ Prole allows you to load, edit, and save your own network program prio

ASUS M5A99X EVO R2.04-29Chapter 44.3.8 USB BIOS Flashback WizardUSB BIOS Flashback allows you to easily update the BIOS without entering the BIOS or

4-30Chapter 4: Software supportChapter 42. From the Save to dropdown list, select the USB storage device that you want to save the BIOS le to, then

ASUS M5A99X EVO R2.04-31Chapter 44.3.9 FAN XpertFan Xpert intelligently allows you to adjust both the CPU and chassis fan speeds according to differe

4-32Chapter 4: Software supportChapter 44.3.10 Ai Charger+This utility allows you to fast-charge your portable BC 1.1* mobile devices on your compute

ASUS M5A99X EVO R2.04-33Chapter 44.3.11 Probe IIProbe II is a utility that monitors the computer’s vital components, and detects and alerts you of an

ASUS M5A99X EVO R2.01-1Chapter 1Product introduction11.1 Special features1.1.1 Product highlightsAMD® FX™-Series/Phenom™ II/Athlon™ II/Sempron™ 100

4-34Chapter 4: Software supportChapter 44.3.12 Sensor RecorderSensor Recorder monitors the changes in the system voltage, temperature, and fan speed

ASUS M5A99X EVO R2.04-35Chapter 4Using History Record1. Click the History Record tab and adjust the settings on the left for Record Interval and Reco

4-36Chapter 4: Software supportChapter 44.3.13 ASUS UpdateASUS Update is a utility that allows you to manage, save, and update the motherboard BIOS i

ASUS M5A99X EVO R2.04-37Chapter 44.3.14 MyLogo2MyLogo2 allows you to customize the boot logo, which is the image that appears on the screen during th

4-38Chapter 4: Software supportChapter 4Ensure to enable the Full Screen Logo in BIOS to use this feature.5. Click Flash to update the boot logo.6.

ASUS M5A99X EVO R2.04-39Chapter 4A. Realtek HD Audio Manager with DTS UltraPC II for Windows® 7™ / Vista™4.3.15 Audio congurationsThe Realtek® audio

4-40Chapter 4: Software supportChapter 4Control settings windowConguration options Information buttonExit buttonMinimize buttonB. Realtek HD Audio Ma

ASUS M5A99X EVO R2.05-1Chapter 5RAID support55.1 RAID congurationsThe motherboard comes with the AMD® SB950 chipset that allows you to congure Seri

5-2Chapter 5: RAID supportChapter 55.1.2 Installing Serial ATA hard disksThe motherboard supports Serial ATA hard disk drives. For optimal performanc

ASUS M5A99X EVO R2.05-3Chapter 55.1.4 AMD® Option ROM utilityTo enter the AMD® Option ROM utility:1. Turn on the system.2. During POST, press <C

1-2Chapter 1: Product introductionChapter 1Native SATA 6.0 Gb/s supportWith AMD® SB950 Southbridge natively support for the next-generation Serial ATA

5-4Chapter 5: RAID supportChapter 5Creating a RAID volumeTo create a RAID volume:1. In the Main Menu, press <2> to enter the LD View / LD Den

ASUS M5A99X EVO R2.05-5Chapter 5Deleting a RAID congurationTake caution when deleting a RAID volume. You will lose all data on the hard disk drives w

5-6Chapter 5: RAID supportChapter 55.2 Creating a RAID driver diskA oppy disk with the RAID driver is required when installing a Windows® operating

ASUS M5A99X EVO R2.05-7Chapter 55.2.3 Installing the RAID driver during Windows® OS installationIf you use a SATA optical drive to run the Windows OS

5-8Chapter 5: RAID supportChapter 55.2.4 Using a USB oppy disk driveDue to OS limitation, Windows® XP may not recognize the USB oppy disk drive whe

ASUS M5A99X EVO R2.05-9Chapter 5Add the same line to both sections.The VID and PID vary with different vendors.10. Save and exit the le. 8. Find th

5-10Chapter 5: RAID supportChapter 5

ASUS M5A99X EVO R2.06-1Chapter 6Multiple GPU support66.1 AMD® CrossFireX™ technologyThe motherboard supports the AMD® CrossFireX™ technology that all

6-2Chapter 6: Multiple GPU supportChapter 66.1.3 Installing two CrossFireX™ graphics cardsThe following pictures are for reference only. The graphics

ASUS M5A99X EVO R2.06-3Chapter 66.1.4 Installing the device driversRefer to the documentation that came with your graphics card package to install th

ASUS M5A99X EVO R2.01-3Chapter 1TPUTPU (TurboV Processing Unit) offers precise voltage control and advanced monitoring mechanisms through the Auto Tun

6-4Chapter 6: Multiple GPU supportChapter 61Enabling Dual CrossFireX technology1. In the AMD VISION Engine Control Center window, click Performance &

ASUS M5A99X EVO R2.06-5Chapter 66.2 NVIDIA® SLI™ technologyThe motherboard supports the NVIDIA® SLI™ (Scalable Link Interface) technology that allows

6-6Chapter 6: Multiple GPU supportChapter 66.2.3 Installing the device driversRefer to the documentation that came with your graphics card package to

ASUS M5A99X EVO R2.06-7Chapter 66.2.4 Enabling the NVIDIA® SLI™ technologyAfter installing your graphics cards and the device drivers, enable the SLI

6-8Chapter 6: Multiple GPU supportChapter 6

ASUS M5A99X EVO R2.0A-1AppendicesAppendicesNoticesFederal Communications Commission StatementThis device complies with Part 15 of the FCC Rules. Opera

A-2AppendicesAppendicesIC: Canadian Compliance StatementComplies with the Canadian ICES-003 Class B specications. This device complies with RSS 210 o

ASUS M5A99X EVO R2.0A-3AppendicesREACHComplying with the REACH (Registration, Evaluation, Authorisation, and Restriction of Chemicals) regulatory fram

A-4AppendicesAppendicesASUS contact informationASUSTeK COMPUTER INC.Address 15 Li-Te Road, Peitou, Taipei, Taiwan 11259Telephone +886-2-2894-34

ASUS M5A99X EVO R2.0A-5AppendicesEC Declaration of Conformity We, the undersigned, Manufacturer: ASUSTek COMPUTER INC. Address, City: No. 150, LI-TE R

1-4Chapter 1: Product introductionChapter 11.1.4 ASUS Quiet Thermal SolutionASUS Fanless Design—Heat-pipe solutionThe ASUS heat-pipe features 0-dB th

A-6AppendicesAppendices

ASUS M5A99X EVO R2.01-5Chapter 1ASUS Q-DesignASUS Q-Design enhances your DIY experience. All of Q-LED, Q-Slot, and Q-DIMM design speed up and simplify

iiE7428First EditionJune 2012Copyright © 2012 ASUSTeK COMPUTER INC. All Rights Reserved.No part of this manual, including the products and software de

1-6Chapter 1: Product introductionChapter 11.2 Motherboard overview1.2.1 Before you proceedTake note of the following precautions before you install

ASUS M5A99X EVO R2.01-7Chapter 1Refer to 1.2.9 Internal connectors and 2.3.1 Rear I/O connection for more information about rear panel connectors and

1-8Chapter 1: Product introductionChapter 1Layout contentsConnectors/Jumpers/Slots Page1. ATX power connectors (24-pin EATXPWR, 8-pin EATX12V) 1-372.

ASUS M5A99X EVO R2.01-9Chapter 11.2.3 Central Processing Unit (CPU)The motherboard comes with a surface mount AM3+ socket designed for the AMD® FX™-S

1-10Chapter 1: Product introductionChapter 1Recommended memory congurations1.2.4 System memoryThe motherboard comes with four Double Data Rate 3 (DD

ASUS M5A99X EVO R2.01-11Chapter 1Memory congurationsYou may install 1GB, 2GB, 4GB, and 8GB unbuffered ECC and non-ECC DDR3 DIMMs into the DIMM socket

1-12Chapter 1: Product introductionChapter 1M5A99X EVO R2.0 Motherboard Qualied Vendors Lists (QVL) DDR3 2400 MHz capability DDR3 2200 MHz capability

ASUS M5A99X EVO R2.01-13Chapter 1DDR3 2133 MHz capabilityDDR3 2000 MHz capabilityVendors Part No. Size SS/DSChip BrandChip NO.Timing Voltage DIMM sock

1-14Chapter 1: Product introductionChapter 1Vendors Part No. Size SS/DSChip BrandChip NO. Timing Voltage DIMM socket support (Optional)2 4GEIL GUP34GB

ASUS M5A99X EVO R2.01-15Chapter 1DDR3 1800 MHz capabilityVendors Part No. Size SS/DSChip BrandChip NO. Timing Voltage DIMM socket support (Optional)1

iiiContentsSafety information ... viAbout this guid

1-16Chapter 1: Product introductionChapter 1(continued on the next page)DDR3 1600 MHz capabilityVendors Part No. Size SS/DSChip BrandChip NO. Timing V

ASUS M5A99X EVO R2.01-17Chapter 1DDR3 1600 MHz capabilityVendors Part No. Size SS/DSChip BrandChip NO. Timing Voltage DIMM socket support (Optional)2

1-18Chapter 1: Product introductionChapter 1DDR3 1333 MHz capability(continued on the next page)Vendors Part No. Size SS/DSChip Brand Chip NO. Timing

ASUS M5A99X EVO R2.01-19Chapter 1DDR3 1333 MHz capabilityVendors Part No. Size SS/DSChip Brand Chip NO. Timing Voltage DIMM socket support (Optional)2

1-20Chapter 1: Product introductionChapter 1Side(s): SS - Single-sided DS - Double-sided DIMM support:(1) Supports one (1) module inserted into any

ASUS M5A99X EVO R2.01-21Chapter 11.2.5 Expansion slotsUnplug the power cord before adding or removing expansion cards. Failure to do so may cause you

1-22Chapter 1: Product introductionChapter 1IRQ assignments for this motherboardA B C D E F G HGigabit LAN ––– –shared– – –eSATA6G Controller 0 –– –sh

ASUS M5A99X EVO R2.01-23Chapter 11.2.6 Onboard buttons and switchesOnboard switches and buttons allow you to ne-tune performance when working on a b

1-24Chapter 1: Product introductionChapter 1• Refer to section 1.2.8 Onboard LEDs for the exact location of the DRAM_LED.• The DRAM_LED also lights

ASUS M5A99X EVO R2.01-25Chapter 13. EPU switchThis switch allows you to enable or disable the EPU function.2. USB BIOS Flashback buttonUSB BIOS Flas

iv2.4 Starting up for the rst time ... 2-182.5 Turning off the computer ...

1-26Chapter 1: Product introductionChapter 14. TPU switchThis switch allows you to enable or disable the TPU function.• The TPU LED (O2LED2) near th

ASUS M5A99X EVO R2.01-27Chapter 11.2.7 Jumpers1. Clear RTC RAM (3-pin CLRTC)This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS. Y

1-28Chapter 1: Product introductionChapter 11.2.8 Onboard LEDs1. Standby Power LEDThe motherboard comes with a standby power LED. The green LED ligh

ASUS M5A99X EVO R2.01-29Chapter 12. BIOS Flashback LED (FLBK_LED)The FLBK LED lights when the USB Flashback button is pressed for three seconds.3. T

1-30Chapter 1: Product introductionChapter 14. EPU LED (O2LED1)The EPU LED lights when the EPU switch is switched to Enable.

ASUS M5A99X EVO R2.01-31Chapter 11.2.9 Internal connectors1. AMD® Serial ATA 6.0 Gb/s connectors (7-pin SATA6G_1-6 [gray])These connectors are for t

1-32Chapter 1: Product introductionChapter 12. USB 3.0 connector (20-1 pin USB3_34)This connector is for the additional USB 3.0 ports, and complies w

ASUS M5A99X EVO R2.01-33Chapter 1Never connect a 1394 cable to the USB connectors. Doing so will damage the motherboard!You can connect the front pane

1-34Chapter 1: Product introductionChapter 14. Digital audio connector (4-1 pin SPDIF_OUT)This connector is for an additional Sony/Philips Digital In

ASUS M5A99X EVO R2.01-35Chapter 15. CPU, CPU optional, and chassis fan connectors (4-pin CPU_FAN; CPU_OPT; CHA_FAN1/2/3)Connect the fan cables t

v4.3.4 EPU ... 4-124.3.5 Remote GO! ...

1-36Chapter 1: Product introductionChapter 17. Front panel audio connector (10-1 pin AAFP)This connector is for a chassis-mounted front panel audio I

ASUS M5A99X EVO R2.01-37Chapter 19. ATX power connectors (24-pin EATXPWR; 8-pin EATX12V)These connectors are for ATX power supply plugs. The power su

1-38Chapter 1: Product introductionChapter 1• System power LED (2-pin PLED)This 2-pin connector is for the system power LED. Connect the chassis powe

ASUS M5A99X EVO R2.01-39Chapter 111. TPM connector (20-1 pin TPM)This connector supports a Trusted Platform Module (TPM) system, which securely store

1-40Chapter 1: Product introductionChapter 1

ASUS M5A99X EVO R2.02-1Chapter 2Basic Installation22.1 Building your PC system2.1.1 Motherboard installationThe diagrams in this section are for ref

2-2Chapter 2: Basic InstallationChapter 22. Place the motherboard into the chassis, ensuring that its rear I/O ports are aligned to the chassis’ rear

ASUS M5A99X EVO R2.02-3Chapter 23. Place nine screws into the holes indicated by circles to secure the motherboard to the chassis.DO NOT overtighten

2-4Chapter 2: Basic InstallationChapter 22.1.2 CPU installationThe AMD AM3+ socket is compatible with AMD AM3+ and AM3 processors. Ensure you use a C

ASUS M5A99X EVO R2.02-5Chapter 22.1.3 CPU heatsink and fan assembly installationApply the Thermal Interface Material to the CPU heatsink and CPU befo

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

2-6Chapter 2: Basic InstallationChapter 22345

ASUS M5A99X EVO R2.02-7Chapter 2123To remove a DIMM2.1.4 DIMM installationBA

2-8Chapter 2: Basic InstallationChapter 22.1.5 ATX Power connection12OR OR

ASUS M5A99X EVO R2.02-9Chapter 22.1.6 SATA device connectionOR2OR1

2-10Chapter 2: Basic InstallationChapter 22.1.7 Front I/O ConnectorTo install ASUS Q-ConnectorIDE_LEDPOWER SWRESET SWIDE_LED-IDE_LED+PWRResetGroundGr

ASUS M5A99X EVO R2.02-11Chapter 22.1.8 Expansion Card installationTo install PCIe x16 cardsTo install PCIe x1 cards To install PCI cards

2-12Chapter 2: Basic InstallationChapter 22.2 BIOS update utility2.2.1 USB BIOS FlashbackUSB BIOS Flashback allows you to easily update the BIOS wit

ASUS M5A99X EVO R2.02-13Chapter 22.3 Motherboard rear and audio connections2.3.1 Rear I/O connection*: Refer to the tables on the next page for LA

2-14Chapter 2: Basic InstallationChapter 2• Press the Clear CMOS switch to clear BIOS setup information only when the system hangs due to overclockin

ASUS M5A99X EVO R2.02-15Chapter 2Connect to Headphone and MicConnect to Stereo Speakers2.3.2 Audio I/O connectionsAudio I/O ports

viiAbout this guideThis user guide contains the information you need when installing and conguring the motherboard.How this guide is organizedThis gu

2-16Chapter 2: Basic InstallationChapter 2Connect to 4.1 channel SpeakersConnect to 5.1 channel SpeakersConnect to 2.1 channel Speakers

ASUS M5A99X EVO R2.02-17Chapter 2Connect to 7.1 channel SpeakersWhen the DTS UltraPC II and DTS Connect functions are enabled, ensure to connect the r

2-18Chapter 2: Basic InstallationChapter 22.4 Starting up for the rst time1. After making all the connections, replace the system case cover. 2. E

ASUS M5A99X EVO R2.03-1Chapter 3BIOS setup33.1 Knowing BIOSThe new ASUS UEFI BIOS is a Unied Extensible Interface that complies with UEFI architectu

3-2Chapter 3: BIOS setupChapter 33.2 BIOS setup programUse the BIOS Setup to update the BIOS or congure its parameters. The BIOS screen include navi

ASUS M5A99X EVO R2.03-3Chapter 33.2.1 EZ ModeBy default, the EZ Mode screen appears when you enter the BIOS setup program. The EZ Mode provides you a

3-4Chapter 3: BIOS setupChapter 33.2.2 Advanced ModeThe Advanced Mode provides advanced options for experienced end-users to congure the BIOS settin

ASUS M5A99X EVO R2.03-5Chapter 3Menu itemsThe highlighted item on the menu bar displays the specic items for that menu. For example, selecting Main s

3-6Chapter 3: BIOS setupChapter 33.3 Main menuThe Main menu screen appears when you enter the Advanced Mode of the BIOS Setup program. The Main menu

ASUS M5A99X EVO R2.03-7Chapter 3Administrator PasswordIf you have set an administrator password, we recommend that you enter the administrator passwor

viiiConventions used in this guideTo ensure that you perform certain tasks properly, take note of the following symbols used throughout this manual.DA

3-8Chapter 3: BIOS setupChapter 34. Conrm the password when prompted.To clear the user password, follow the same steps as in changing a user passwor

ASUS M5A99X EVO R2.03-9Chapter 3Ai Overclock Tuner [Auto]Allows you to select the CPU overclocking options to achieve the desired CPU internal frequen

3-10Chapter 3: BIOS setupChapter 3PCIe Spread Spectrum [Auto][Auto] Automatic conguration.[Disabled] Enhances the PCIe overclocking ability.[Enable

ASUS M5A99X EVO R2.03-11Chapter 3DRAM REF Cycle Time [Auto]Conguration options: [Auto] [90ns] [110ns] [160ns] [300ns] [350ns]DRAM Row Cycle Time [Aut

3-12Chapter 3: BIOS setupChapter 3ADDR/CMD drive strength [Auto]Conguration options: [Auto] [1x] [1.25x] [1.5x] [2x]MEMCLK drive strength [Auto]Cong

ASUS M5A99X EVO R2.03-13Chapter 3CPU/NB Currrent Capability [Auto]This item provides wider total DRAM controller power range for overclocking. A highe

3-14Chapter 3: BIOS setupChapter 3DRAM Current Capability [Auto]Allows you to set the DRAM current capability.Conguration options: [100%] [110%] [120

ASUS M5A99X EVO R2.03-15Chapter 3CPU VDDA Voltage [Auto]Allows you to set the CPU VDDA voltage. The values range from 2.20000V to 2.80000V with a 0.00

3-16Chapter 3: BIOS setupChapter 33.5 Advanced menuThe Advanced menu items allow you to change the settings for the CPU and other system devices.Be c

ASUS M5A99X EVO R2.03-17Chapter 33.5.1 CPU CongurationThe items in this menu show the CPU-related information that the BIOS automatically detects.Th

ixM5A99X EVO R2.0 specications summary(continued on the next page)CPU AMD® Socket AM3+ for AMD® FX Series CPU up to 8-coreCompatible with AMD® Socket

3-18Chapter 3: BIOS setupChapter 33.5.2 North Bridge CongurationIOMMU [Disabled]Set IOMMU to Enabled to show IOMMU Mode.Conguration options: [Disab

ASUS M5A99X EVO R2.03-19Chapter 3Memory CongurationBank Interleaving [Auto]Conguration options: [Auto] [Disabled]Channel Interleaving [Auto]Congura

3-20Chapter 3: BIOS setupChapter 33.5.3 South Bridge CongurationHPET [Enabled]Allows you to set the HPET timer.Conguration options: [Disabled] [Ena

ASUS M5A99X EVO R2.03-21Chapter 3SATA Port1–Port4 [AHCI]Allows you to set the SATA conguration.[IDE] Set to [IDE] when you want to use the Serial AT

3-22Chapter 3: BIOS setupChapter 33.5.5 USB CongurationThe items in this menu allow you to change the USB-related features.The USB Devices item show

ASUS M5A99X EVO R2.03-23Chapter 3SB USB CongurationUSB PORT 1-14 [Enabled]This item allows you to enable or disable individual USB ports.Conguration

3-24Chapter 3: BIOS setupChapter 33.5.7 Onboard Devices CongurationASM1061 Storage Controller [Enabled][Enabled] Enables the controller.[Disabled]

ASUS M5A99X EVO R2.03-25Chapter 3Realtek LAN Controller [Enabled][Enabled] Enables the Realtek LAN controller.[Disabled] Disables the controller.Rea

3-26Chapter 3: BIOS setupChapter 33.5.8 APMMainAi TweakerAdvanced Monitor Boot ToolExitAllow BIOS to switch off some power at S5 to get the system r

ASUS M5A99X EVO R2.03-27Chapter 3Power On By Ring [Disabled][Disabled] Disables the Ring devices from generating a wake event.[Enabled] Enables the