ASRock 990FX Extreme9 manual North Bridge Configuration, Primary Graphics Adapter

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3.4.2 North Bridge Configuration

Primary Graphics Adapter

This item will switch the PCI Bus scanning order while searching for video card. It allows you to select the type of Primary VGA in case of multiple video controllers. The default value of this feature is [PCI Express]. Con- figuration options: [PCI] and [PCI Express].

IOMMU

Use this to enable or disable IOMMU. The default value of this feature is [Disabled].

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Contents 990FX Extreme9 Disclaimer Copyright NoticeContents Uefi Setup Utility Introduction Package ContentsSpecifications Rear Panel I/O ConnectorUSB Support CD Bios FeatureHardware MonitorPage ASRock Extreme Tuning Utility Axtu Unique FeaturesASRock Instant Boot ASRock Instant FlashASRock XFast USB ASRock APP ChargerASRock XFast LAN ASRock XFast RAMASRock Easy RAID Installer ASRock Crashless BiosASRock OMG Online Management Guard ASRock Internet FlashASRock X-Boost ASRock Fast BootASRock Restart to Uefi Turbo 50 / Turbo 60 OverclockingSocket Motherboard LayoutLAN Port LED Indications I/O PanelTable for Audio Output Connection Page Pre-installation Precautions InstallationInstallation of CPU Fan and Heatsink CPU InstallationDual Channel Memory Configurations Installation of Memory Modules DimmInstalling a Dimm Expansion Slots PCI and PCI Express Slots Pcie Slot ConfigurationsPcie Slots Installing an expansion card Requirements SLITM, 3-Way Slitm and Quad Slitm Operation GuideASRock SLIBridge2S Card Two Goldfingers Installing Three SLITM-Ready Graphics CardsFor Windows XP / XP 64-bit OS For Slitm mode only Driver Installation and SetupSelect Control Panel tab Select Nvidia Control Panel tabPage Page CrossFire Bridge Installing Three CrossFireXTM-Ready Graphics Cards For Windows 8 / 7 / VistaTM OS For Windows XP OS\ Surround Display Information Surround Display FeatureAdvanced Super IO Configuration CIR Controller Enabled ASRock Smart Remote Installation GuideCIR sensors in different angles Jumper Setting Jumpers SetupSerial ATA Sata Data Cable Onboard Headers and ConnectorsUSB 3.0 Headers Besides four default USB System Panel Header CPU Fan Connectors ATX 12V Power Connector ATX Power ConnectorSerial port Header Installation Guide of Rear USB 3.0 Bracket Installation Guide of Front USB 3.0 PanelSmart Switches Status Code Description 12 Dr. DebugWhat is Hot Plug Function? Serial ATA3 SATA3 Hard Disks InstallationWhat is Hot Swap Function? Hot Plug and Hot Swap Functions for SATA3 HDDsPoints of attention, before you process the Hot Plug SATA3 HDD Hot Plug Feature and Operation GuideHow to Hot Unplug a SATA3 HDD How to Hot Plug a SATA3 HDDInstalling Windows XP / XP 64-bit With RAID Functions Driver Installation GuideSet up Uefi Use RAID Installation Guide to set RAID configuration Installing Windows XP / XP 64-bit Without RAID Functions Untied Overclocking Technology Uefi Menu Bar IntroductionMain Screen Navigation KeysNavigation Keys + / Tab Enter Pgup Pgdn Home F10 F12OC Tweaker Screen CPU Active Core Control AMD Application Power ManagementAMD Turbo Core Technology Processor Maximum FrequencyPower Down Enable Dram Timing Configuration Dram FrequencyHT Bus Speed HT Bus WidthDram Voltage Voltage Configuration CPU Load-line calibrationNB Voltage HT VoltageAdvanced Screen CPU Configuration Primary Graphics Adapter North Bridge ConfigurationSouth Bridge Configuration Storage Configuration Sata Boot ROM ASMedia SATA3 ModeSerial Port Super IO ConfigurationSerial Port Address Infrared PortAcpi Configuration USB Keyboard/Remote Power On USB Phy Power DownUSB Mouse Power On USB 2.0 Controller USB ConfigurationUSB 3.0 Controller Legacy USB SupportUefi Update Utility Instant Flash Easy RAID InstallerTool System BrowserDehumidifier CPU Fan Setting Network Configuration Internet SettingInternet Flash Uefi Download ServerWould you like to save current setting user defaults? Chassis Fan 1 Setting CPU Fan 1 & 2 SettingChassis Fan 2 Setting Chassis Fan 3 SettingFast Boot Boot ScreenBoot From Onboard LAN Setup Prompt TimeoutBoot Failure Guard Count Boot Failure GuardFull Screen Logo AddOn ROM DisplaySecurity Screen Secure BootExit Screen Load Uefi DefaultsSave Changes and Exit Discard Changes and ExitSupport CD Information Install Operating SystemRunning The Support CD Drivers MenuInstalling OS on a HDD Larger Than 2TB