Asus Crosshair II Formula User Manual

MotherboardCrosshair IIFormula

xAbout this guidethe motherboard.How this guide is organizedThis guid

4-28 Chapter 4: BIOS setup4.5.2 PCIPnPPlug & Play O/S [No]�Yes] a

ASUS Crosshair II Formula 4-294.5.3 Onboard Device Conguration Select MenuItem Specic HelpPhoenix-AwardBIOS CMOS Setup Utility

4-30 Chapter 4: BIOS setupHDMI Audio [Auto]Allows you to enable or disable the HDMI audio function. Intergade

ASUS Crosshair II Formula 4-314.5.5 IDE Function SetupThis sub-menu contains IDE function-related items. Select an item then press <Enter> to e

4-32 Chapter 4: BIOS setupROG Logo [Enabled]If this item is set to �Enabled], the box labeled as Republic of Gamers on the heatpipe assembly lights up

ASUS Crosshair II Formula 4-33LCD Poster Backlight [Disabled]Allows you to enable or disable the LCD Poster backlight after POST. 

4-34 Chapter 4: BIOS setup4.6 Power menuThe Power menu items allow you to change the settings for the Advanced 

ASUS Crosshair II Formula 4-354.6.3 APM CongurationRestore on AC Power Loss [Power-Off]Allows you to enable or disable the Restore on AC Power Loss

4-36 Chapter 4: BIOS setupAlarm Time (hh:mm) [ X: X: X]To set the time of alarm:1. Highlight this item and press <Enter> to display a pop-up m

ASUS Crosshair II Formula 4-37Vcore, VDDNB, DDR2, SB, HT, VDDA, BR, DDR Term, 3.3V, 5V, 12V VoltageThe onboard hardware monitor automatically detects

xiConventions used in this guideTo make sure that you perform certain tasks properly, take note of the following symbols used throughout this manual.T

4-38 Chapter 4: BIOS setupCPU FAN, CHA _FAN1/2/3, PWR FAN, OPT1/2/3 FAN SpeedPWR FAN, OPT1/2/3 FAN SpeedOPT1/2/3 FAN SpeedThe onboard hardware monitor

ASUS Crosshair II Formula 4-39CPU FAN Duty Cycle �100%]you set the CPU FAN Co

4-40 Chapter 4: BIOS setup4.7 Boot menuThe Boot menu items allow you to change the system boot options. Select an item then press <Enter> to di

ASUS Crosshair II Formula 4-414.7.2 Removable Drives1. Floppy DisksAllows you to assign a removable drive attached to the system.4.7.3 Hard Disk Dri

4-42 Chapter 4: BIOS setup4.7.5 Boot Settings Conguration Case Open Warning [Enabled]Enables or disables the chassis open status feature. Setting to

ASUS Crosshair II Formula 4-43Typematic Delay (Msec) [250]Allows you to set the delay before keystrokes begin to repeat. 

4-44 Chapter 4: BIOS setupSupervisor Password User PasswordTo set a password:1. Select an item then press <

ASUS Crosshair II Formula 4-454.8 Tools menuan item then press <E

4-46 Chapter 4: BIOS setupLoad from File

ASUS Crosshair II Formula 4-474.8.3 ASUS EZ Flash 2message appears. Use the

xiiCrosshair II Formula specications summaryCPU AMD® Socket AM2+ for AMD Phenom™ FX / Phenom / Athlon™ / Sempron™ processors AMD Socket AM2 for A

4-48 Chapter 4: BIOS setup4.9 Exit menuThe Exit menu items allow you to load the optimal or failsafe default values for the BIOS items, and save or d

5Chapter 5: Software supportThis chapter describes the contents of the support DVD that comes with the motherboard package.

ASUS Crosshair II FormulaChapter summary55.1 Installing an operating system ... 5-15.2 Support DVD i

ASUS Crosshair II Formula 5-1If Autorun is NOT enabled in your computer, browse the contents of the support 

5-2 Chapter 5: Software support5.2.2 Drivers menuThe drivers menu shows the available device drivers if the system detects installed devices. Install

ASUS Crosshair II Formula 5-35.2.3 Utilities menuThe Utilities menu shows the applications and other software that the motherboard supports. Click to

5-4 Chapter 5: Software supportASUS AI SuiteInstalls the ASUS AI Suite. ASUS Update The ASUS Update utility allows you to update the motherboard BIOS

ASUS Crosshair II Formula 5-55.2.4 Make Disk menuThe Make Disk menu contains items to create the NVIDIA® nForce® 780a SLI™ SATA/RAID/AHCI driver disk

5-6 Chapter 5: Software support5.2.5 Manuals menuThe Manuals menu contains a list of supplementary user manuals. Click an item to open the folder of

ASUS Crosshair II Formula 5-75.2.8 Other informationThe icons on the top right corner of the screen give additional information on the motherboard an

xiiiUSB 12 x USB 2.0 ports (6 ports at midboard, 6 ports at back panel)ASUS ROG Overclocking FeaturesExtreme Tweaker New 8+2 phase power design Inte

5-8 Chapter 5: Software supportFilelistDisplays the contents of the support DVD and a brief description of each in text format.Technical support form

ASUS Crosshair II Formula 5-95.3 Software information

5-10 Chapter 5: Software support load the new boot logo. 

ASUS Crosshair II Formula 5-113. Click the Run button to perform a cable test.5.3.2 AI NET 2The AI NET 2 features the Marvell® Virtual Cable Tester™

5-12 Chapter 5: Software support5.3.3 AI Audio 2 (SoundMAX® High Denition Audio utility)

ASUS Crosshair II Formula 5-13A. SoundMAX BlackHawk (AI Audio 2)If you are using Windows Vista™ operating system, from the taskbar, double-click on t

5-14 Chapter 5: Software supportPlayback SettingsPlayback button on the control panel. You can adjust the

ASUS Crosshair II Formula 5-15More SettingsClick EqualizerAllows you to the DSP presets fre

5-16 Chapter 5: Software supportSpeakersAllows you to adjust the Speaker Trim and Speaker Delay.BassAllows you to do the Bass management.PreferencesDi

ASUS Crosshair II Formula 5-17B. SoundMAXIf you are using Windows XP operating system, from the taskbar, double-click on the SoundMAX® icon to displa

xivBIOS Features 8 MB AWARD BIOS, PnP, DMI2.0, WfM2.0, SM BIOS 2.4, ACPI 2.0a Multi-Language BIOSSM BIOS 2.4, ACPI 2.0a Multi-Language BIOSManageabi

5-18 Chapter 5: Software supportJack configurationyour computer’s audio ports, depending on the audio devices you have

ASUS Crosshair II Formula 5-19Audio preferencesClick the icon to go to the Preferences page. This page allows you to change various audio settings.G

5-20 Chapter 5: Software supportMicrophone optionssettings.

ASUS Crosshair II Formula 5-215.3.4 ASUS PC Probe IIPC Probe II is a utility that monitors the computer’s vital components, and detects and alerts yo

5-22 Chapter 5: Software supportButton FunctionOpens the Report windowOpens the Desktop Management Interface windowOpens

ASUS Crosshair II Formula 5-23Changing the monitor panels positionTo change the position of the monitor panels in the desktop, click the arrow down bu

5-24 Chapter 5: Software supportMonitoring sensor alertThe monitor panel turns red when a component value exceeds or is lower than the threshold value

ASUS Crosshair II Formula 5-25PCI browserClick to display the PCI (Peripheral Component Interconnect) browser. This browser provides information on

5-26 Chapter 5: Software supportMemory usageThe Memory tab shows both used and available physical memory. The pie chart at the bottom of the window re

ASUS Crosshair II Formula 5-275.3.5 ASUS AI SuiteASUS AI Suite allows you to launch AI Gear 2, AI Booster 2, CPU Level Up, Q-Fan Plus, AI N.O.S., an

1Chapter 1: Product introductionThis chapter describes the motherboard features and the new technologies it supports.

5-28 Chapter 5: Software supportOther feature buttonsClick on right corner of the main window to open the monitor window. Click on right corner of

ASUS Crosshair II Formula 5-295.3.6 ASUS AI Gear 2ASUS AI Gear 2 provides four system performance options that allows you to select the best performa

5-30 Chapter 5: Software support5.3.7 ASUS AI Napwhenever you are away. En

ASUS Crosshair II Formula 5-315.3.8 ASUS Q-Fan PlusThe ASUS Q-Fan Plus feature allows you to set the appropriate performance level 

5-32 Chapter 5: Software support5.3.9 ASUS AI Booster 2The ASUS AI Booster 2 application allows you to overclock the CPU speed in WIndows® environmen

ASUS Crosshair II Formula 5-335.3.10 CPU Level UpThe CPU Level Up application allows you to overclock immediately with OC ®

5-34 Chapter 5: Software support5.4 RAID congurationsThe motherboard comes with the NVIDIA® nForce® 780a SLI™ Southbridge RAID 

ASUS Crosshair II Formula 5-35Setting the BIOS RAID itemsAfter installing the hard disk drives, make sure to set the necessary RAID items in 

5-36 Chapter 5: Software supportFor detailed descriptions on the NVIDIA®NVIDIA RAID User Guide found in your motherbo

ASUS Crosshair II Formula 5-37Creating a RAID VolumeTo create a RAID volume:1. From the NVIDIA®

ASUS Crosshair II FormulaChapter summary11.1 Welcome! ... 1-11.2

5-38 Chapter 5: Software supportRebuilding a RAID arrayTo rebuild a RAID array:1. From the Array List menu, use the up or down arrow keys to select a

ASUS Crosshair II Formula 5-39 A new set of navigation keys is displayed on the bottom of the screen. 2. Press <R> to rebuild a RAID array. T

5-40 Chapter 5: Software supportDeleting a RAID arrayTo delete a RAID array:1. From the Array List menu, use the up or down arrow keys to select a RA

ASUS Crosshair II Formula 5-41Clearing a disk dataTo clear disk data:1. From the Array List menu, use the up or down arrow keys to select a RAID arra

5-42 Chapter 5: Software support5.5 Creating a RAID driver disk® XP operating sy

ASUS Crosshair II Formula 5-43To install the RAID driver in Windows® Vista™: 

5-44 Chapter 5: Software support

6This chapter tells how to install SLI-ready PCI Express graphics cards and how to use the SLI™ and Hybrid SLI® features.Chapter 6: NVIDIA®technology

ASUS Crosshair II FormulaChapter summary6.1 NVIDIA® SLI™ technology... 6-16.2 NVIDIA® Hybr

ASUS Crosshair II Formula 6-16.1 NVIDIA® SLI™ technologyThe motherboard supports the NVIDIA® SLI™ (Scalable Link Interface) technology that allows yo

ASUS Crosshair II Formula 1-11.1 Welcome!Thank you for buying an ASUS® Crosshair II Formula motherboard!The motherboard delivers a host of new featur

6-2 Chapter 6: NVIDIA® SLI™ technology support6.1.2 Graphics card setupInstalling three SLI-ready graphics cards• Install only identical SLI-ready g

ASUS Crosshair II Formula 6-3 the second into the PCIEX16_2 slot (white), and the th

6-4 Chapter 6: NVIDIA® SLI™ technology support4. Connect auxiliary power source from the power supply to the three graphics cards separately.5. Co

ASUS Crosshair II Formula 6-5Installing two SLI-ready graphics cards1. Insert one graphics card into the PCIEX16_1 slot (blue) and the other into the

6-6 Chapter 6: NVIDIA® SLI™ technology support• Make sure that your PCI Express graphics card driver supports the NVIDIA® SLI™ technology. Download t

ASUS Crosshair II Formula 6-7B2. From the Personalization window, select Display Settings. B3. From the Display Settings dialog box, click Advanced

6-8 Chapter 6: NVIDIA® SLI™ technology supportB5. The NVIDIA Control Panel window appears.Enabling SLI congurationWhen installing two graphics gards

ASUS Crosshair II Formula 6-96.2 NVIDIA® Hybrid SLI® Technology The motherboard supports the NVIDIA® Hybrid SLI® technology that includes twoincludes

6-10 Chapter 6: NVIDIA® SLI™ technology support6.2.2 Enabling GeForce® Boost and HybridPower™• Before enabling GeForce Boost and HybridPower, make s

ASUS Crosshair II Formula 6-11To enable HybridPower1. Follow Step 1 to 7 on the previous page to complete the hardware and driver installation. 

1-2 Chapter 1: Product Introduction1.3 Special features1.3.1 ROG Intelligent Performance & Overclocking featuresCPU Level Up Ever wish that you

6-12 Chapter 6: NVIDIA® SLI™ technology support

AAppendix: Debug code tableThe Appendix includes the debug code table for the LCD Poster.

ASUS Crosshair II FormulaChapter summaryAA.1 Debug Code Table ...A-1

ASUS Crosshair II Formula A-1Code DescriptionCPU INITCPU InitiationDET CPUTest CMOS R/W functionality.CHIPINIT -Disable s

A-2 Appendix: Debug Code Table8254TESTTest 82548259MSK1Test 8259 interrupt mask bits for channel 1.8259MSK2Test 8259 interrupt mask bits for channel 2

ASUS Crosshair II Formula A-3USB FINAL  2. NET PC: Build SYSID structure 3. Switch screen back to

A-4 Appendix: Debug Code Table

ASUS Crosshair II Formula 1-3ASUS O.C. Prole 

iiE3769Third Edition V3 March 2008Copyright © 2008 ASUSTeK COMPUTER INC. All Rights Reserved.No part of this manual, including the products and softwa

1-4 Chapter 1: Product IntroductionOnboard Switches With an easy press during overclocking, this exclusive onboard switch allows 

ASUS Crosshair II Formula 1-5AI Audio 2 AI Audio 2 allows you to experience crisp, clear sounds by restoring and compensating for clarity and quality

1-6 Chapter 1: Product Introduction1.3.3 Product highlightsRepublic of Gamers The Republic of Gamers consists only the best of the best. We offer th

ASUS Crosshair II Formula 1-7Native DDR2 1066 memory support This motherboard is the AMD® platform with native DDR2 1066 support. It provides faster

1-8 Chapter 1: Product IntroductionSerial ATA 3.0 Gb/s technology This motherboard supports the next-generation hard drives based on the Serial 

2Chapter 2: Hardware informationThis chapter lists the hardware setup procedures that you have to perform when installing system components. It inclu

ASUS Crosshair II FormulaChapter summary22.1 Before you proceed ... 2-12.2 Motherb

ASUS Crosshair II Formula 2-12.1 Before you proceedTake note of the following precautions before you install motherboard components or change any mot

2-2 Chapter 2: Hardware information2. Memory LED Refer to the illustration below for the LED location and the table below for 3. Sout

ASUS Crosshair II Formula 2-34. Hard Disk LED The hard disk LED is designed to indicate the hard disk activity. It blinks when data is being written

iiiContentsContents ... iiiNotices ...

2-4 Chapter 2: Hardware informationCROSSHAIR II FORMULA®RESET2.2 Motherboard overview

ASUS Crosshair II Formula 2-52.2.3 Motherboard layoutCROSSHAIR II FORMULA®24.5cm (9.6in)24.5cm (9.6in)RESETDDR DIMM_A1 (64bit, 240-pin module)DDR DIM

2-6 Chapter 2: Hardware information2.2.5 Layout contentsSlots Page1. DDR2 DIMM slots 2-142. PCI slots 2-213. PCI Express x 1 slots 2-214. PCI Exp

ASUS Crosshair II Formula 2-7Internal connectors Page1. IDE connector (40-1 pin PRI_IDE) 2- 292. NVIDIA® nForce 780a SLI Serial ATA connectors  

2-8 Chapter 2: Hardware information2.3.1 Installing the CPUTo install a CPU:1. Locate the CPU socket on the motherboard.

ASUS Crosshair II Formula 2-93. Position the CPU above the socket such that the CPU corner with the gold triangle matches the socket corner with a sm

2-10 Chapter 2: Hardware information2.3.2 Installing the heatsink and fanThe AMD® Phenom™ FX / Phenom / Athlon™ 64 X2 / Athlon 64 FX / Athlon 64 /Phe

ASUS Crosshair II Formula 2-112. Attach one end of the retention bracket to the retention module base.3. Align the other end of the retention bracke

2-12 Chapter 2: Hardware information5. When the fan and heatsink assembly is in place, connect the CPU fan cable to the connector on the motherboard

ASUS Crosshair II Formula 2-132.3.3 Installing the optional fansInstall the optional fan only if you are using a passive cooler or a water cooler. 

ivContents2.5.5 PCI Express x1 slots ... 2-212.5.6 PCI Express x16 slots ...

2-14 Chapter 2: Hardware informationChannel SocketsChannel A DIMM_A1 and DIMM_A2Channel B DIMM_B1 and DIMM_B22.4 System memory2.4.1 OverviewThe moth

ASUS Crosshair II Formula 2-152.4.2 Memory congurationsYou may install 256 MB, 512 MB, 1 GB, and 2 GB unbuffered ECC/non-ECC DDR2 DIMMs into the DIM

2-16 Chapter 2: Hardware informationCrosshair II Formula Motherboard Qualied Vendors Lists (QVL) DDR2-800MHz capability for AM2 CPUSS - Single-sided

ASUS Crosshair II Formula 2-17Crosshair II Formula Motherboard Qualied Vendors Lists (QVL) DDR2-667MHz capability for AM2 CPUSize Vendor Chip No. CL

2-18 Chapter 2: Hardware information2.4.3 Installing a DIMMUnplug the power supply before adding or removing DIMMs or other system components. Failur

ASUS Crosshair II Formula 2-192.5 Expansion slotsIn the future, you may need to install expansion cards. The following sub-sections describe the slot

2-20 Chapter 2: Hardware information2.5.3 Interrupt assignmentsIRQ Priority Standard function0 1 System Timer1 2 Keyboard Controller 2 – Redirect to

ASUS Crosshair II Formula 2-212.5.4 PCI slotsThe PCI slots support cards such as a LAN card, SCSI card, USB card, and other 

2-22 Chapter 2: Hardware information• We recommend that you install a VGA card to the primary (blue) PCI Express x16 slots, and install any other PCI

ASUS Crosshair II Formula 2-232.6 Slide switch1. Clear RTC RAM (3-pin CLRTC_SW)This jumper allows you to enable the clr CMOS switch. You can clear t

vContents4.4.1 System Time ... 4-224.4.2 System Date ...

2-24 Chapter 2: Hardware information2.7 Audio card, I/O shield, and LCD Poster installation2.7.1 Audio card Installation1. Take out the Audio ca

ASUS Crosshair II Formula2-253. Thread the LCD Poster cable through the opening until its stopper snaps into place. 4. Plug the LCD Poster cable int

2-26 Chapter 2: Hardware information2.8 Connectors2.8.1 Rear panel connectors1. PS/2 keyboard port (purple). This port is for a PS/2 keyboard.2. C

ASUS Crosshair II Formula2-275. Line In port (light blue). This port connects the tape, CD, DVD player, or other audio sources. 6. Line Out port (li

2-28 Chapter 2: Hardware information14. HDMI port. This port is for a high-connector.• This motherboard comes

ASUS Crosshair II Formula2-29• Pin 20 on the IDE connector is removed to match the covered hole on the Ultra DMA cable connector. This prevents incor

2-30 Chapter 2: Hardware information2. NVIDIANVIDIA® nForce 780a SLI Serial ATA connectors (7-pin SATA1–4 [blue]; 7-pin SATA5–6 [black])These connec

ASUS Crosshair II Formula2-314. USB connectors (10-1 pin USB 78; USB 910; USB1112)These connectors are for USB 2.0 ports. Connect the USB module cabl

2-32 Chapter 2: Hardware information5. IEEE 1394a port connector (10-1 pin IE1394_2)This connector is for a IEEE 1394a port. Connect the IEEE 1394a m

ASUS Crosshair II Formula2-337. CPU, chassis, and optional fan connectors (4-pin CPU_FAN, 3-pin CHA_FAN1–3, 3-pin PWR_FAN, 3-pin OPT_FAN1–3)The fan

viContentsChapter 5: Software support5.1 Installing an operating system ... 5-15.2 Support DVD info

2-34 Chapter 2: Hardware information8. Chassis intrusion connector (4-1 pin CHASSIS)This connector is for a chassis-mounted intrusion detection senso

ASUS Crosshair II Formula 2-35• 

2-36 Chapter 2: Hardware informationPower supply requirementsHeavy LoadingCPU Phenom 9600Memory 1 GB*4VGA 8800 Ultra*3SATA-HDD 6IDE-CDROM 1IDE-HDD 1US

ASUS Crosshair II Formula 2-3711. ROG connector (2-pin ROG)This connector is for the box labeled as Republic of Gamers on the heatpipe assembly. Conn

2-38 Chapter 2: Hardware information• System power LED (2-pin PLED)This 2-pin connector is for the system power LED. Connect the chassis power LED cab

ASUS Crosshair II Formula 2-39ASUS Q-Connector (system panel)You can use the ASUS Q-Connector to connect/disconnect chassis front panel cables in a fe

2-40 Chapter 2: Hardware information2.8.3 Onboard switchesor open-case syst

3Chapter 3: Powering upThis chapter describes the power up sequence, the vocal POST messages, and ways of shutting down the system.

ASUS Crosshair II FormulaChapter summary33.1 Starting up for the rst time ... 3-13.2 Turning o

ASUS Crosshair II Formula 3-13.1 Starting up for the rst time1. After making all the connections, replace the system case cover. 2. Be sure that a

viiContents6.2 NVIDIA® Hybrid SLI® Technology ... 6-96.2.1 System requirements ...

3-2 Chapter 3: Powering up3.2 Turning off the computer3.2.1 Using the OS shut down functionIf you are using Windows® Vista™:1. Click the Start but

4Chapter 4: BIOS setupThis chapter tells how to change the system settings through the BIOS Setup menus. Detailed descriptions of the BIOS paramete

Chapter summary4ASUS Crosshair II Formula4.1 Managing and updating your BIOS ... 4-14.2 BIOS setup program

ASUS Crosshair II Formula 4-14.1 Managing and updating your BIOSThe following utilities allow you to manage and update the motherboard Basic Input/Ou

4-2 Chapter 4: BIOS setupQuit all Windows® applications before you update the BIOS using this utility.3. Select the ASUS FTP site nearest 

ASUS Crosshair II Formula 4-3Updating the BIOS through a BIOS le1. Launch the ASUS Update utility from the Win

4-4 Chapter 4: BIOS setupTo update the BIOS using EZ Flash 2: the motherb

ASUS Crosshair II Formula 4-54.1.3 Updating the BIOSThe Basic Input/Output System (BIOS) can be updated using the AwardBIOS Flash Utility. Follow the

4-6 Chapter 4: BIOS setup following screen appears. 

ASUS Crosshair II Formula 4-74. The utility saves the disk, then returns to the  

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

4-8 Chapter 4: BIOS setup4.1.5 ASUS CrashFree BIOS 2 utilityThe ASUS CrashFree BIOS 2 is an auto recovery tool that allows you to restore 

ASUS Crosshair II Formula 4-94.2 BIOS setup programThis motherboard supports a programmable Serial Peripheral Interface (SPI) chip that you can updat

4-10 Chapter 4: BIOS setup4.2.1 BIOS menu screenLegend barGeneral helpMenu barSub-menu itemsConguration eldsMenu items Select MenuItem Specic Hel

ASUS Crosshair II Formula 4-114.2.4 Menu itemsFor example, selecting

4-12 Chapter 4: BIOS setup4.2.7 Pop-up windowSelect a menu item then press <Enter> to display a pop-up window with the 

ASUS Crosshair II Formula 4-13 Select MenuItem Specic HelpWarning: this function belongs to overclocking, and it may cause instability. Select a CPU

4-14 Chapter 4: BIOS setupAI Tuning to �AI Overclock].Overclock Options [Disabled]Allows you to se

ASUS Crosshair II Formula 4-15K8<->NB HT Width [Auto]↓ 8 ↑8] �↓16 ↑16] �Auto] PCIE Clock [100]Allows you to set the PCIEX

4-16 Chapter 4: BIOS setupMemory DCT Mode �Unganged Mode]This item appears only when you use an AM2+ CPU. 

ASUS Crosshair II Formula 4-17Tref [Auto]Trfc [Auto]Dyna

ixSafety informationElectrical safety• electrical outlet before relocating the

4-18 Chapter 4: BIOS setupSLI-Ready Memory [Disabled] 

ASUS Crosshair II Formula 4-19Refer to the CPU documentation before setting the CPU voltage. Setting a high voltage may damage the CPU permanently, an

4-20 Chapter 4: BIOS setupDDR2 Controller Ref Voltage [Auto]Allows you to manually set the memory voltage, or you can set to �Auto] for the safe mode.

ASUS Crosshair II Formula 4-21Spread Spectrum ControlCPU Spread Spectrum �Disabled]PCIE Spread Spectrum �Dis

4-22 Chapter 4: BIOS setup4.4 Main menuWhen you enter the BIOS Setup program, the Main menu screen appears, giving you an overview of the basic syste

ASUS Crosshair II Formula 4-234.4.5 Primary IDE Master/SlaveWhile entering Setup, the BIOS automatically detects the presence of IDE devices. There i

4-24 Chapter 4: BIOS setupCapacityCylinder

ASUS Crosshair II Formula 4-254.4.6 SATA 1–4While entering Setup, the BIOS automatically detects the presence of Serial ATA devices. There is a separ

4-26 Chapter 4: BIOS setupSectorAfter entering the IDE hard disk drive information

ASUS Crosshair II Formula 4-274.5 Advanced menuThe Advanced menu items allow you to change the settings for the CPU and other system devices.4.5.1 A