ASRock Fatal1ty 990FX Professional 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 Fatal1ty 990FX Professional Series Fatal1ty Story LIVIN’ Large Copyright Notice DisclaimerContents Uefi Setup Utility Package Contents IntroductionSpecifications Bios Feature ConnectorSmart Switch Rear Panel I/OHardware Unique FeatureSupport CD MonitorPage Page Page Motherboard Layout 24.4cm 9.6-inLAN Port LED Indications Table for Audio Output ConnectionPage Installation Pre-installation PrecautionsCPU Installation Installation of CPU Fan and HeatsinkInstallation of Memory Modules Dimm Dual Channel Memory ConﬁgurationsInstalling a Dimm Break NotchPcie Slots Installing an expansion cardExpansion Slots PCI and PCI Express Slots Slitm and Quad Slitm Operation Guide RequirementsDriver Installation and Setup For Windows XP / XP 64-bit OS For Slitm mode onlySelect Nvidia Control Panel tab Select Control Panel tabPage CrossFire Bridge Installing Three CrossFireXTM-Ready Graphics Cards CrossFireTM Bridge For Windows XP OS For Windows 7 / VistaTM OSSurround Display Feature \ Surround Display InformationJumpers Setup Jumper SettingOnboard Headers and Connectors USB 3.0 Header Besides two default USB System Panel Header Chassis Speaker Header ATX Power Connector ATX 12V Power ConnectorFront USB 3.0 Panel Installation Guide Rear USB 3.0 Bracket Installation Guide Smart Switches11 Dr. Debug Status Code DescriptionPage Page Page What is Hot Swap Function? Serial ATA3 SATA3 Hard Disks InstallationWhat is Hot Plug Function? Hot Plug and Hot Swap Functions for SATA3 HDDsSATA3 HDD Hot Plug Feature and Operation Guide Points of attention, before you process the Hot PlugHow to Hot Plug a SATA3 HDD Set up Uefi Driver Installation GuideInstalling Windows XP / XP 64-bit With RAID Functions Use RAID Installation Guide to set RAID conﬁguration Installing Windows XP / XP 64-bit Without RAID Functions Untied Overclocking Technology Click Expert Mode Teaming Function Operation GuidePage Page From Control Panel, double-clickNetwork Connections Introduction Uefi Menu BarTo jump to the Exit Screen or exit the current screen Navigation KeysMain Screen System Time HourMinuteSecondOC Tweaker Screen North Bridge Maximum Frequency Dram Timing Control Power Down EnableProcessor Maximum Frequency Processor Maximum VoltageWrite Recovery Time tWR RAS# to CAS# Delay tRCDCommand Rate CR RAS to RAS Delay tRRDDram Voltage Would you like to save current setting user defaults?Voltage Control CPU Load-line calibration NB VoltageAdvanced Screen Instant FlashSecure Virtual Machine CPU ConfigurationCool ‘n’ Quiet Enhance Halt State C1ENorth Bridge Configuration Primary Graphics AdapterSouth Bridge Configuration Storage Configuration Hard Disk S.M.A.R.T Serial Port Address Super IO ConfigurationSerial Port Infrared PortAcpi Configuration USB Mouse Power On Acpi Hpet tableUSB 3.0 Controller USB ConfigurationUSB 2.0 Controller Legacy USB SupportChassis Fan 2 Setting CPU Fan 1 & 2 SettingChassis Fan 1 Setting Chassis Fan 3 SettingBoot Screen Security Screen Exit Screen Running The Support CD Install Operating SystemSupport CD Information Drivers MenuInstalling OS on a HDD Larger Than 2TB