Asus Rampage IV Formula 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