Asus Asus Rampage IVFormula Desktop Motherboard RAMPAGEIVFORMULA User Manual

MotherboardRAMPAGE IV FORMULA

xSafety informationElectrical safety• To prevent electrical shock hazard, disconnect the power cable from the electrical outlet before relocating the

3-22 Chapter 3: BIOS setupChapter 33.5.1 CPU CongurationThe items in this menu show the CPU-related information that the BIOS automatically detects.

ROG RAMPAGE IV FORMULA 3-23Chapter 3Limit CPUID Maximum [Disabled][Enabled] Allows legacy operating systems to boot even without support for CPUs wit

3-24 Chapter 3: BIOS setupChapter 33.5.3 PCH CongurationHigh Precision Timer [Enabled]Allows you to enable or disable the High Precision Event Timer

ROG RAMPAGE IV FORMULA 3-25Chapter 33.5.4 SATA CongurationWhile entering Setup, the BIOS automatically detects the presence of SATA devices. The SAT

3-26 Chapter 3: BIOS setupChapter 3The USB Devices item shows the auto-detected values. If no USB device is detected, the item shows None.Legacy USB S

ROG RAMPAGE IV FORMULA 3-27Chapter 33.5.6 Onboard Devices ConguratonAzalia HD Audio [Enabled][Disabled] Disables the controller.[Enabled] Enables

3-28 Chapter 3: BIOS setupChapter 3Asmedia USB 3.0 Controller [Enabled]This item allows user to enable/disable the Asmedia USB 3.0 controller. Congur

ROG RAMPAGE IV FORMULA 3-29Chapter 33.5.7 APMRestore AC Power Loss [Power Off][Power On] The system goes into on state after an AC power loss.[Power

3-30 Chapter 3: BIOS setupChapter 33.6 Monitor menuThe Monitor menu displays the system temperature/power status, and allows you to change the fan se

ROG RAMPAGE IV FORMULA 3-31Chapter 3Fan Speed MonitorCPU FAN Speed; CPU OPT Speed; Chassis FAN1/2/3 Speed; OPT FAN 1/2/3 Speed [xxxxRPM] or [Ignored]

xiOperation safety• Before installing the motherboard and adding devices on it, carefully read all the manuals that came with the package.• Before u

3-32 Chapter 3: BIOS setupChapter 3CPU Fan Min. Duty Cycle(%) [20]Use the <+> and <-> keys to adjust the minimum CPU fan duty cycle. The v

ROG RAMPAGE IV FORMULA 3-33Chapter 3OPT Fan 1/2/3 Control [Disabled]Allows you to select the optional fan control mode. When this item is set to [Duty

3-34 Chapter 3: BIOS setupChapter 33.7 Boot menuThe Boot menu items allow you to change the system boot options.Bootup NumLock State [On][On] Sets t

ROG RAMPAGE IV FORMULA 3-35Chapter 3Setup Mode [Advanced Mode][Advanced Mode] Sets Advanced Mode as the default screen for entering the BIOS setup pr

3-36 Chapter 3: BIOS setupChapter 33.8 Tools menuThe Tools menu items allow you to congure options for special functions. Select an item then press

ROG RAMPAGE IV FORMULA 3-37Chapter 33.8.2 ASUS SPD InformationAllows you to get DRAM SPD information.

3-38 Chapter 3: BIOS setupChapter 3LabelAllows you to input the label of setup prole.Save to ProleAllows you to save the current BIOS settings to th

ROG RAMPAGE IV FORMULA 3-39Chapter 33.8.4 BIOS FlashBackThis item allows you to congure BIOS FlashBack settings.Forced BIOS2 BootAllows you to boot

3-40 Chapter 3: BIOS setupChapter 33.8.5 GO Button FileThis menu allows you to set the GO Button les, and load the desired GO Button le.BCLK Freque

ROG RAMPAGE IV FORMULA 3-41Chapter 33.9 Exit menuThe Exit menu items allow you to load the optimal default values for the BIOS items, and save or dis

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

3-42 Chapter 3: BIOS setupChapter 33.10 Updating BIOSThe ASUS website publishes the latest BIOS versions to provide enhancements on system stability,

ROG RAMPAGE IV FORMULA 3-43Chapter 3Updating the BIOS through the InternetTo update the BIOS through the Internet:1. From the ASUS Update screen, sel

3-44 Chapter 3: BIOS setupChapter 37. Follow the onscreen instructions to complete the update process.5. Click Browse to locate your desired picture

ROG RAMPAGE IV FORMULA 3-45Chapter 3• The screenshots in this section are for reference only. The actual BIOS information vary by models.• Refer to

3-46 Chapter 3: BIOS setupChapter 33.10.2 ASUS EZ Flash 2 UtilityThe ASUS EZ Flash 2 Utility feature allows you to update the BIOS without having to

ROG RAMPAGE IV FORMULA 3-47Chapter 33.10.3 ASUS CrashFree BIOS 3 utilityThe ASUS CrashFree BIOS 3 utility is an auto recovery tool that allows you to

3-48 Chapter 3: BIOS setupChapter 3Booting the system in DOS environment1. Insert the USB ash drive with the latest BIOS le and BIOS Updater to the

ROG RAMPAGE IV FORMULA 3-49Chapter 3ASUSTek BIOS Updater for DOS V1.18 [2010/04/29]Current ROMUpdate ROMNoteSaving BIOS:PATH: A:\ BOARD: RAMPAGE IV

3-50 Chapter 3: BIOS setupChapter 34. Select Yes and press <Enter>. When BIOS update is done, press <ESC> to exit BIOS Updater. Restart y

ROG RAMPAGE IV FORMULA 3-51Chapter 33.10.5 USB BIOS FlashbackThe USB BIOS Flashback allows user to update the BIOS without entering the BIOS or the o

xiii DANGER/WARNING: Information to prevent injury to yourself when trying to complete a task. CAUTION: Information to prevent damage to the

3-52 Chapter 3: BIOS setupChapter 3

ROG RAMPAGE IV FORMULA 4-1Chapter 4Chapter 4: Software supportChapter 4If Autorun is NOT enabled in your computer, browse the contents of the support

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

ROG RAMPAGE IV FORMULA 4-3Chapter 44.3 Software informationMost of the applications in the support DVD have wizards that will conveniently guide you

4-4 Chapter 4: Software supportChapter 44.3.2 TurboV EVOASUS TurboV EVO introduces TurboV that allows you to manually adjust the CPU frequency and re

ROG RAMPAGE IV FORMULA 4-5Chapter 4Using Advanced ModeClick on the Advanced Mode tab to adjust the advanced voltage settings.CPU RatioAllows you to ma

4-6 Chapter 4: Software supportChapter 4Auto TuningASUS TurboV EVO includes two auto tuning modes, providing the most exible auto-tuning options.• T

ROG RAMPAGE IV FORMULA 4-7Chapter 43. TurboV EVO automatically overclocks the CPU, saves BIOS settings and restarts the system. After re-entering Win

4-8 Chapter 4: Software supportChapter 44.3.3 DIGI+ Power ControlDIGI+ PowerControl allows you to adjust VRM voltage and frequency modulation to enha

ROG RAMPAGE IV FORMULA 4-9Chapter 4• The actual performance boost may vary depending on your CPU specication.• Do not remove the thermal module. Th

xivRAMPAGE IV FORMULA specications summaryCPU 2nd Generation Intel® Core™ i7 processor family for the LGA 2011 Socket Supports Intel® Turbo Boost Te

4-10 Chapter 4: Software supportChapter 44.3.4 EPUEPU is an energy-efcient tool that satises different computing needs. This utility provides sever

ROG RAMPAGE IV FORMULA 4-11Chapter 4Refer to the software manual in the support DVD or visit the ASUS website at www.asus.com for detailed software c

4-12 Chapter 4: Software supportChapter 44.3.6 Sensor RecorderSensor Recorder monitors the changes in the system voltage, temperature, and fan speed

ROG RAMPAGE IV FORMULA 4-13Chapter 44.3.7 Probe IIProbe II is a utility that monitors the computer’s vital components, and detects and alerts you of

4-14 Chapter 4: Software supportChapter 44.3.8 USB 3.0 BoostThe ASUS exclusive USB 3.0 Boost provides speed boost for USB 3.0 devices and the up-to-d

ROG RAMPAGE IV FORMULA 4-15Chapter 44.3.9 Ai Charger+Battery Charging Version 1.1 (BC 1.1), a USB Implementers Forum (USB-IF) certied USB charging f

4-16 Chapter 4: Software supportChapter 44.3.10 ASUS UpdateASUS Update lays out the options for updating BIOS on your system. Update BIOS utility on

ROG RAMPAGE IV FORMULA 4-17Chapter 44.3.11 MyLogo2This MyLogo utility lets you customize the boot logo. The boot logo is the image that appears on sc

4-18 Chapter 4: Software supportChapter 42. Click on Auto Tune to adjust image size compatibility or adjust the resolution bar.3. You can click on B

ROG RAMPAGE IV FORMULA 4-19Chapter 44.3.12 ROG ConnectROG Connect allows you to monitor and adjust the local PC through your remote PC.Setting up USB

xvUSB ASMedia® USB 3.0 controller: - 6 x USB 3.0 port(s) (4 at back panel, 2 at mid-board ) Intel® X79 Chipset: - 12 x USB 2.0 port(s) (6 ports at

4-20 Chapter 4: Software supportChapter 4RC PosterRC Poster shows the status of the local system during the POST. You can switch the display mode betw

ROG RAMPAGE IV FORMULA 4-21Chapter 4GPU TweakItGPU TweakIt allows you to control and monitor the installed GPU on the local system. Use the sliders to

4-22 Chapter 4: Software supportChapter 44.3.13 Audio congurationsThe Realtek® audio CODEC provides 7.1-channel audio capability to deliver the ulti

ROG RAMPAGE IV FORMULA 4-23Chapter 44.3.14 Sound Blaster X-Fi MB 2 This application is available only under Windows Vista and Windows 7 operating sys

4-24 Chapter 4: Software supportChapter 4Using Sound Blaster X-Fi MB 2Speaker and HeadphoneEAXEqualizerMixerTHXAdjusting VolumeRestoring to the Defaul

ROG RAMPAGE IV FORMULA 4-25Chapter 4EqualizerYou can manually adjust the audio frequency with the equalizer and customize your presets for later use.M

4-26 Chapter 4: Software supportChapter 44.4 RAID congurationsThe motherboard supports the Intel® Rapid Storage Technology with RAID 0, RAID 1, RAID

ROG RAMPAGE IV FORMULA 4-27Chapter 44.4.2 Installing Serial ATA hard disksThe motherboard supports Serial ATA hard disk drives. For optimal performan

4-28 Chapter 4: Software supportChapter 4Creating a RAID setTo create a RAID set:1. From the utility main menu, select 1. Create RAID Volume and pres

ROG RAMPAGE IV FORMULA 4-29Chapter 45. Use the up/down arrow key to select a drive, and then press <Space> to select. A small triangle marks th

xviSpecial Features ASUS EPU EngineASUS Exclusive Features - MemOK! - Onboard Switches: Power/Reset/Clr CMOS (at rear)ASUS Quiet Thermal Solution -

4-30 Chapter 4: Software supportChapter 4Deleting a RAID setTake caution when deleting a RAID set. You will lose all data on the hard disk drives when

ROG RAMPAGE IV FORMULA 4-31Chapter 44.5 Creating a RAID driver diskA oppy disk with the RAID driver is required when installing a Windows® operating

4-32 Chapter 4: Software supportChapter 44.5.3 Installing the RAID driver during Windows® OS installationTo install the RAID driver in Windows® XP:1.

ROG RAMPAGE IV FORMULA 4-33Chapter 44.5.4 Using a USB oppy disk driveDue to OS limitation, Windows® XP may not recognize the USB oppy disk drive wh

4-34 Chapter 4: Software supportChapter 48. Find the [HardwareIds.scsi.iaAHCI_DesktopWorkstationServer] and [HardwareIds.scsi.iaStor_DesktopWorkstati

ROG RAMPAGE IV FORMULA 5-1Chapter 5Chapter 5: Multiple GPU technology support5.1 AMD® CrossFireX™ technologyThe motherboard supports the AMD® CrossF

5-2 Chapter 5: Multiple GPU technology supportChapter 55. Connect two independent auxiliary power sources from the power supply to the two graphics

ROG RAMPAGE IV FORMULA 5-3Chapter 52. The VISION Engine Control Center Setup Assistant appears when the system detects the existance of multi-graphic

5-4 Chapter 5: Multiple GPU technology supportChapter 55.2 NVIDIA® SLI™ technologyThe motherboard supports the NVIDIA® SLI™ (Scalable Link Interface)

ROG RAMPAGE IV FORMULA 5-5Chapter 54. Align and rmly insert the SLI bridge connector to the goldngers on each graphics card. Ensure that the connec

xviiBIOS 2 x 64Mb UEFI BIOSs, PnP, DMI2.0, WfM2.0, SM BIOS 2.5, ACPI2.0a Multi-Language BIOSManageability WfM2.0, DMI2.0, WOL by PME, WOR by PME, PXES

5-6 Chapter 5: Multiple GPU technology supportChapter 5B1. If you cannot see the NVIDIA Control Panel item in step (A), select Personalize.B2. From

ROG RAMPAGE IV FORMULA 5-7Chapter 5B4. Select the NVIDIA GeForce tab, and then click Start the NVIDIA Control Panel.B5. The NVIDIA Control Panel win

5-8 Chapter 5: Multiple GPU technology supportChapter 5

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

EC Declaration of Conformity We, the undersigned, Manufacturer: ASUSTek COMPUTER INC. Address, City: No. 150, LI-TE RD., PEITOU, TAIPEI 112, TAIWAN R.

xviii

ROG RAMPAGE IV FORMULA 1-1Chapter 11.1 Welcome!Thank you for buying an ROG RAMPAGE IV FORMULA motherboard!The motherboard delivers a host of new feat

iiE7112Revised Edition January 2012Copyright © 2012 ASUSTeK COMPUTER INC. All Rights Reserved.No part of this manual, including the products and softw

1-2 Chapter 1: Product IntroductionChapter 11.3 Special features1.3.1 Product highlightsRepublic of GamersThe Republic of Gamers consists only the b

ROG RAMPAGE IV FORMULA 1-3Chapter 11.3.2 ROG Exclusive FeaturesExtreme Engine Digi+ IIOptimum power efciency with premium components and intelligent

1-4 Chapter 1: Product IntroductionChapter 1ProbeItGet all hands-on with hardware-based overclocking. ProbeIt takes the guesswork out of locating the

ROG RAMPAGE IV FORMULA 1-5Chapter 1Voltiminder LED IIFriendly reminder on Voltage Settings In the pursuit of extreme performance, overvoltage adjustme

1-6 Chapter 1: Product IntroductionChapter 1True SATA 6Gb/s SupportExperience the future of storage! Supporting next-generation Serial ATA (SATA) stor

ROG RAMPAGE IV FORMULA 2-12.1 Before you proceedTake note of the following precautions before you install motherboard components or change any mother

2-2 Chapter 2: Hardware informationChapter 2Refer to 2.2.8 Internal connectors and 2.3.10 Rear panel connection for more information about rear panel

ROG RAMPAGE IV FORMULA 2-3Chapter 2Layout contentsConnectors/Jumpers/Slots Page1. Q Reset button 2-162. CPU, chassis and power fan connectors (4-pi

2-4 Chapter 2: Hardware informationChapter 22.2.2 Central Processing Unit (CPU)The motherboard comes with a surface mount LGA2011 socket designed for

ROG RAMPAGE IV FORMULA 2-5Chapter 2Recommended memory congurations2.2.3 System memoryThe motherboard comes with four Double Data Rate 3 (DDR3) Dual

iiiContentsNotices ... viSafety i

2-6 Chapter 2: Hardware informationChapter 2Memory congurationsYou may install 1GB, 2GB, 4GB and 8GB unbuffered and non-ECC DDR3 DIMMs into the DIMM

ROG RAMPAGE IV FORMULA 2-7Chapter 2RAMPAGE IV FORMULA Motherboard Qualied Vendors Lists (QVL) DDR3 1333 MHz capabilityVendors Part No. SizeSS/DSChip

2-8 Chapter 2: Hardware informationChapter 2Vendors Part No. SizeSS/DSChip Brand Chip NO. Timing VoltageDIMM socket support (Optional)1 DIMM 4 DIMMTra

ROG RAMPAGE IV FORMULA 2-9Chapter 2Vendors Part No. Size SS/DS Chip Brand Chip NO. Timing VoltageDIMM socket support (Optional)1 DIMM 4 DIMMCrucial BL

2-10 Chapter 2: Hardware informationChapter 2RAMPAGE IV FORMULA Motherboard Qualied Vendors Lists (QVL) DDR3 1866 MHz capabilityVendors Part No. Size

ROG RAMPAGE IV FORMULA 2-11Chapter 2RAMPAGE IV FORMULA Motherboard Qualied Vendors Lists (QVL) DDR3 2133 MHz capabilityVendors Part No. Size SS/DS Ch

2-12 Chapter 2: Hardware informationChapter 22.2.4 Expansion slotsEnsure to unplug the power cord before adding or removing expansion cards. Failure

ROG RAMPAGE IV FORMULA 2-13Chapter 2IRQ assignments for this motherboardA B C D E F G HPCIE_X16_1 shared – – – – – – –PCIE_X8_2 shared – – – – – – –PC

2-14 Chapter 2: Hardware informationChapter 22.2.5 Onboard switchesOnboard switches allow you to ne-tune performance when working on a bare or open-

ROG RAMPAGE IV FORMULA 2-15Chapter 23. GO button Press the GO button before POST to enable MemOK! or press it to quickly load the preset prole (GO_

ivContents2.5 Turning off the computer ...2-54Chapter 3: BIOS setup3.1 Knowi

2-16 Chapter 2: Hardware informationChapter 25. PCIe x16 Lane switch These slide switches allows you to enable and disable the corresponding PCIe x1

ROG RAMPAGE IV FORMULA 2-17Chapter 27. Slow Mode Switch Slow Mode Switch is employed during LN2 benching. Some processors have a small optimum tempe

2-18 Chapter 2: Hardware informationChapter 22.2.6 Onboard LEDsThe motherboard comes with a set of LEDs that indicate the voltage conditions of CPU,

ROG RAMPAGE IV FORMULA 2-19Chapter 22. Hard Disk LED The hard disk LED is designed to indicate the hard disk activity. It blinks when data is being

2-20 Chapter 2: Hardware informationChapter 24. GO LED Blinking: Indicates that MemOK! is enabled before POST. Lighting: Indicates that the system

ROG RAMPAGE IV FORMULA 2-21Chapter 26. Power LED The motherboard comes with a power-on switch that lights up to indicate that the system is ON, in s

2-22 Chapter 2: Hardware informationChapter 2Debug tableCode Description00Not used01Power on. Reset type detection (soft/hard).02AP initialization bef

ROG RAMPAGE IV FORMULA 2-23Chapter 2Code Description3B – 3EPost-Memory PCH initialization is started3F – 4EOEM post memory initialization codes 4FDXE

2-24 Chapter 2: Hardware informationChapter 2Debug table (continued)Code Description71PCH DXE SMM initialization is started72PCH devices initializatio

ROG RAMPAGE IV FORMULA 2-25Chapter 2Code DescriptionB4USB hot plugB5PCI bus hot plugB6Clean-up of NVRAMB7Conguration Reset (reset of NVRAM settings)B

vContents4.2.1 Running the support DVD ... 4-14.2.2 Obtaining the software manuals...

2-26 Chapter 2: Hardware informationChapter 22.2.7 Jumper1. LN2 Mode Jumper (3-pin LN2) With LN2 mode activated, the ROG motherboard is optimized t

ROG RAMPAGE IV FORMULA 2-27Chapter 22.2.8 Internal connectors1. Intel® X79 Serial ATA 6.0 Gb/s connectors (7-pin SATA6G_1/2 [red])These connectors c

2-28 Chapter 2: Hardware informationChapter 22. Intel® X79 Serial ATA 3.0 Gb/s connectors (7-pin SATA3G_1–4 [black])These connectors connect to Seria

ROG RAMPAGE IV FORMULA 2-29Chapter 23. ASMedia® Serial ATA 6.0 Gb/s connectors (7-pin SATA6G_E1/E2 [red])These connectors connect to Serial ATA 6.0 G

2-30 Chapter 2: Hardware informationChapter 24. USB 3.0 connector (20-1 pin USB3_56)This connector is for the additional USB 3.0 ports, and complies

ROG RAMPAGE IV FORMULA 2-31Chapter 2You can connect the front panel USB cable to the ASUS Q-Connector (USB, blue) rst, and then install the Q-Connect

2-32 Chapter 2: Hardware informationChapter 27. Digital audio connector (4-1 pin SPDIF_OUT)This connector is for an additional Sony/Philips Digital I

ROG RAMPAGE IV FORMULA 2-33Chapter 28. CPU, chassis, and power fan connectors (4-pin CPU_FAN; 4-pin CPU_OPT; 4-pin CHA_FAN1/2/3; 4-pin OPT_FAN1/2/3)C

2-34 Chapter 2: Hardware informationChapter 29. Front panel audio connector (10-1 pin AAFP)This connector is for a chassis-mounted front panel audio

ROG RAMPAGE IV FORMULA 2-35Chapter 2• For a fully congured system, we recommend that you use a power supply unit (PSU) that complies with ATX 12 V S

viNoticesFederal Communications Commission StatementThis device complies with Part 15 of the FCC Rules. Operation is subject to the following two cond

2-36 Chapter 2: Hardware informationChapter 211. EZ Plug connector (4-pin EZ_PLUG) This 4-pin connector is for VGA power supply plug. Find the prope

ROG RAMPAGE IV FORMULA 2-37Chapter 2• System power LED (2-pin PLED)This 2-pin connector is for the system power LED. Connect the chassis power LED ca

2-38 Chapter 2: Hardware informationChapter 22.3 Building your computer system2.3.1 Additional tools and components to build a PC system1 bag of scr

ROG RAMPAGE IV FORMULA 2-39Chapter 22.3.2 CPU installationPlease note the order in opening/ closing the double latch. Follow the instructions printed

2-40 Chapter 2: Hardware informationChapter 2BA9BA7 85 6

ROG RAMPAGE IV FORMULA 2-41Chapter 22.3.3 CPU heatsink and fan assembly installationApply the Thermal Interface Material to the CPU heatsink and CPU

2-42 Chapter 2: Hardware informationChapter 2To replace the LGA2011 CPU pad (X-Socket)1 23 45

ROG RAMPAGE IV FORMULA 2-43Chapter 2123To remove a DIMM2.3.4 DIMM installationBA

2-44 Chapter 2: Hardware informationChapter 22.3.5 Motherboard installationThe diagrams in this section are for reference only. The motherboard layou

ROG RAMPAGE IV FORMULA 2-45Chapter 2DO NOT overtighten the screws! Doing so can damage the motherboard.3

viiDeclaration of Conformity (R&TTE directive 1999/5/EC)The following items were completed and are considered relevant and sufcient:• Essential

2-46 Chapter 2: Hardware informationChapter 22.3.6 ATX Power connection12OR OR

ROG RAMPAGE IV FORMULA 2-47Chapter 22.3.7 SATA device connectionOR2OR1

2-48 Chapter 2: Hardware informationChapter 22.3.8 Front I/O ConnectorIDE_LEDPOWER SWRESET SWIDE_LED-IDE_LED+PWRResetGroundGround1 2To install ASUS Q

ROG RAMPAGE IV FORMULA 2-49Chapter 22.3.9 Expansion Card installationTo install PCIe x16 cardsTo install PCIe x1 cards

2-50 Chapter 2: Hardware informationChapter 22.3.10 Rear panel connection6 8 117 91 42 35 10Rear panel connectors1. PS/2 mouse and keyboard port2.

ROG RAMPAGE IV FORMULA 2-51Chapter 2* LAN ports LED indicationsSPEED LEDACT/LINK LEDLAN portActivity Link LED Speed LEDStatus Description Status Descr

2-52 Chapter 2: Hardware informationChapter 22.3.11 Audio I/O connectionsAudio I/O ports Connect to Headphone and MicConnect to Stereo SpeakersConnec

ROG RAMPAGE IV FORMULA 2-53Chapter 2Connect to 4.1 channel SpeakersConnect to 5.1 channel SpeakersConnect to 7.1 channel Speakers

2-54 Chapter 2: Hardware informationChapter 22.4 Starting up for the rst time1. After making all the connections, replace the system case cover. 2.

ROG RAMPAGE IV FORMULA 3-1Chapter 3Chapter 3: BIOS setupChapter 33.1 Knowing BIOSThe new ASUS UEFI BIOS is an Unied Extensible Firmware Interface t

viiiWireless Operation Channel for Different DomainsN. America 2.412-2.462 GHz Ch01 through CH11Japan 2.412-2.484 GHz Ch01 through

3-2 Chapter 3: BIOS setupChapter 33.2.1 Advanced ModeThe Advanced Mode provides advanced options for experienced end-users to congure the BIOS setti

ROG RAMPAGE IV FORMULA 3-3Chapter 3Menu itemsThe highlighted item on the menu bar displays the specic items for that menu. For example, selecting Mai

3-4 Chapter 3: BIOS setupChapter 33.2.2 EZ ModeThe EZ Mode provides you an overview of the basic system information, and allows you to select the dis

ROG RAMPAGE IV FORMULA 3-5Chapter 33.3 Extreme Tweaker menuThe Extreme Tweaker menu items allow you to congure overclocking-related items.Be cautiou

3-6 Chapter 3: BIOS setupChapter 3Scroll down to display the following items:Load Normal OC ProleOverClock Template Suitable for day to day gamers.Lo

ROG RAMPAGE IV FORMULA 3-7Chapter 3ClockGen Full Reset [Enabled][Enabled] Enabled for better overclocking.[Disabled] To skip system shutdown at BCLK

3-8 Chapter 3: BIOS setupChapter 3Primary TimingsDRAM CAS# Latency [Auto]Conguration options: [Auto] [3 DRAM Clock] – [15 DRAM Clock]DRAM RAS# to CAS

ROG RAMPAGE IV FORMULA 3-9Chapter 3DRAM READ to PRE Time [Auto]Conguration options: [Auto] [4 DRAM Clock] – [15 DRAM Clock]DRAM FOUR ACT WIN Time [Au

3-10 Chapter 3: BIOS setupChapter 3othersDRAM CLK PeriodConguration options: [Auto] [1 DRAM Clock] – [7 DRAM Clock]DIGI+ Power ControlDo not remove t

ROG RAMPAGE IV FORMULA 3-11Chapter 3The actual performance boost may vary depending on your CPU specication.CPU Current Capability [Auto]This item pr

ixCanadian Department of Communications StatementThis digital apparatus does not exceed the Class B limits for radio noise emissions from digital appa

3-12 Chapter 3: BIOS setupChapter 3VCCSA Fixed Frequency [XXX]The values range from 300kHz to 600kHz with a 50kHz interval.CPU VCCSA Boot up Voltage [

ROG RAMPAGE IV FORMULA 3-13Chapter 3CPU Ratio [Auto]Allows you to manually adjust the maximum non-turbo CPU ratio. Use <+> and <-> keys to

3-14 Chapter 3: BIOS setupChapter 3GPU PostThe GPU Post sub-menu allows you to view the information of individual PCI Express slots.PCIe Lane Simulato

ROG RAMPAGE IV FORMULA 3-15Chapter 3CPU VCCSA Voltage [Manual Mode][Manual Mode] Allows you to set a xed CPU voltage.[Offset Mode] Allows you to se

3-16 Chapter 3: BIOS setupChapter 3CPU Spread Spectrum [Disabled][Auto] Loads the optimized setting for the system.[Disabled] Enhances the BCLK over

ROG RAMPAGE IV FORMULA 3-17Chapter 3IMC AB/CD Signal 1/2/3 [Auto]Conguration options: [-126] – [-1] [Auto] [+1] – [+32]DRAM CTRL REF Voltage on CHA/B

3-18 Chapter 3: BIOS setupChapter 33.4 Main menuThe Main menu provides you an overview of the basic system information, and allows you to set the sys

ROG RAMPAGE IV FORMULA 3-19Chapter 33.4.4 SecurityThe Security menu items allow you to change the system security settings.• If you have forgotten y

3-20 Chapter 3: BIOS setupChapter 3User PasswordIf you have set a user password, you must enter the user password for accessing the system. The User P

ROG RAMPAGE IV FORMULA 3-21Chapter 3Be cautious when changing the settings of the Advanced menu items. Incorrect eld values can cause the system to m