ASRock 890GMH/USB3 manual Installing a Dimm, Notch break Break

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Installing a DIMM

Please make sure to disconnect power supply before adding or removing DIMMs or the system components.

Step 1. Unlock a DIMM slot by pressing the retaining clips outward.

Step 2. Align a DIMM on the slot such that the notch on the DIMM matches the break on the slot.

notch break

notch

break

The DIMM only fits in one correct orientation. It will cause permanent damage to the motherboard and the DIMM if you force the DIMM into the slot at incorrect orientation.

Step 3. Firmly insert the DIMM into the slot until the retaining clips at both ends fully snap back in place and the DIMM is properly seated.

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Contents 890GMH/USB3 CALIFORNIA, USA only Copyright NoticeDisclaimer Contents Software Support Bios Setup UtilityIntroduction Package ContentsCPU SpecificationsLAN Support CD Unique FeatureHardware MonitorPage Page Page DX10.1 Motherboard LayoutTable for Audio Output Connection I/O PanelLAN Port LED Indications Pre-installation Precautions InstallationInstallation of CPU Fan and Heatsink CPU InstallationDual Channel Memory Configurations Installation of Memory Modules DimmNotch break Break Installing a DimmPcie Slots Installing an expansion cardExpansion Slots PCI and PCI Express Slots Dual Monitor Feature Dual Monitor and Surround Display FeaturesFor Windows XP / XP 64-bit OS Surround Display FeatureHdcp Function What is HDCP?For Windows 7 / 7 64-bit / VistaTM / VistaTM 64-bit OS What does an Atitm Hybrid CrossFireXTM system include? Atitm Hybrid CrossFireXTM Operation GuideEnjoy the benefit of Atitm Hybrid CrossFireXTM View CrossFire TM Enable CrossFire TM PS2USBPW1 Jumpers SetupIDE1 Onboard Headers and ConnectorsInfrared Module Header Supply to this connector CPU Fan ConnectorATX 12V Power Connector Please connect an ATX Western Digital Sataii Hard Disk Setup GuideSamsung HitachiPage Hot Plug and Hot Swap Functions for Sata / Sataii HDDs What is Hot Plug Function?What is Hot Swap Function? Points of attention, before you process the Hot Plug Sata / Sataii HDD Hot Plug Feature and Operation GuideHow to Hot Unplug a Sata / Sataii HDD How to Hot Plug a Sata / Sataii HDDInstalling Windows XP / XP 64-bit With RAID Functions Driver Installation GuideSet up Bios Make a Sata / Sataii Driver DisketteUse RAID Installation Guide to set RAID configuration Installing Windows XP / XP 64-bit Without RAID Functions Install Windows XP / XP 64-bit OS on your system Untied Overclocking Technology Bios Menu Bar ESC Navigation KeysMain Screen OC Tweaker Screen Boot Failure Guard Count Boot Failure GuardSpread Spectrum Advanced Clock CalibrationCPU Frequency Multiplier Memory Configuration Memory ClockCPU Voltage NB Frequency MultiplierTRP TrcdTras TrtpTwtr TrrdTWR TRCCHA CS/ODT Delay CHA ADDR/CMD SetupCHA CS/ODT Setup CHB ADDR/CMD DelayCHB CKE Drive CHA Processor ODTCHB CS/ODT Drive CHB ADDR/CMD DriveWould you like to save current setting user defaults? Chipset Settings Onboard GPU Clock OverrideOnboard GPU Clock MGPU VoltageASRock Instant Flash CPU ConfigurationAdvanced Screen Cool ‘n’ Quiet CPU ConfigurationSecure Virtual Machine Enhance Halt StateChipset Configuration Acpi Configuration Sata Operation Mode Storage ConfigurationIDE Device Configuration Onboard Sata Controller EnabledType Floppy Configuration PCIPnP ConfigurationPCI Latency Timer PCI IDE BusMasterOnBoard Floppy Controller Super IO ConfigurationSerial Port Address Infrared Port AddressUSB Controller USB ConfigurationUSB 2.0 Support Legacy USB SupportHardware Health Event Monitoring Screen Target CPU TemperatureCPU Quiet Fan Target Fan SpeedAddOn ROM Display Boot ScreenFull Screen Logo Boot From Onboard LAN Boot LogoBoot Up Num-Lock Change Supervisor PasswordExit Screen Support CD Information Install Operating SystemRunning The Support CD Drivers Menu