SUPER MICRO Computer X7DBU, X7DGU user manual Mounting the Motherboard in the Chassis

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Chapter 2: Installation

1.Unscrew and remove the heatsink screws from the motherboard in the sequence as show in the picture on the right.

2.Hold the heatsink as shown in the picture on the right and gently wiggle the heatsink to loosen it from the CPU. (Do not use excessive force when wiggling the heatsink!!)

3.Once the heatsink is loosened, remove the heatsink from the CPU socket.

4.Clean the surface of the CPU and the heatsink to get rid of the old thermal grease. Reapply the proper amount of thermal grease on the surface before you re-install the CPU and the heatsink.

Screw#1 Screw#3

Screw#4 Screw#2

Mounting the Motherboard in the Chassis

All motherboards have standard mounting holes to fit different types of chas- sis. Make sure that the locations of all the mounting holes for both motherboard and chassis match. Make sure that the metal standoffs click in or are screwed in tightly. Then, use a screwdriver to secure the motherboard onto the motherboard tray. (Note: some components are very close to the mounting holes. Please take precautionary measures to prevent damage done to these components when you install the motherboard to the chassis.)

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Contents Super Reproductive harm Manual Organization About This ManualConventions Used in the Manual Table of Contents Troubleshooting Appendices BiosOverview ChecklistHeadquarters Contacting SupermicroEurope Asia-PacificX7DBU/X7DGU Image Not drawn to scale X7DBU/X7DGU Motherboard LayoutLE Indicators Description Description Default SettingQuick Reference X7DBU/X7DGU JumperMemory Motherboard FeaturesChipset Expansion SlotsDimensions Acpi FeaturesOnboard I/O OtherESB2 System Block Diagram for the X7DBUChipset Overview Xeon Quad-core/Dual-core Processor FeaturesXeon Quad-core/Dual-core Processor Recovery from AC Power Loss Special FeaturesEnvironmental Temperature Control PC Health MonitoringSlow Blinking LED for Suspend-State Indicator Acpi FeaturesMain Switch Override Mechanism System Resource AlertExternal Modem Ring-On Power SupplyWake-On-LAN WOL Super I/O Page Static-Sensitive Devices PrecautionsUnpacking Installation of the LGA771 Processor Processor and Heatsink InstallationPage To Un-install the Heatsink Installation of the HeatsinkCEK Heatsink Installation Mounting the Motherboard in the Chassis Dimm Installation Installing DIMMsMemory Support Memory performancePossible System Memory Allocation & Availability Installing and Removing DIMMsBack Panel Connectors/IO Ports Control Panel Connectors/IO PortsBack Panel Connectors FP Reset Butto JF1 Header PinsFront Control Panel Power LED Pin Definitions JF1 Power LEDFront Control Panel Pin Definitions NMI Button NMI Button Pin Definitions JF1NIC1/NIC2 LED Indicators HDD LED/FP UID SwitchOverheat OH/Fan Fail/PWR Fail/FP UID LED Power Fail LEDOH/Fan Fail/PWR Fail/FP UID LED Pin Definitions JF1 OH/Fan Fail/PWR Fail/FP UID Indica Tor StatusPower Button Reset ButtonReset Button Pin Definitions JF1 Power Button Pin Definitions JF1ATX Power Connector Connecting CablesProcessor Power Connector ATX Power 20-pin Connector Pin DefinitionsChassis Intrusion Universal Serial Bus USBKeylock Fan HeadersPin Fan Header Pin Definitions Keylock Pin DefinitionsSerial Ports ATX PS/2 Keyboard and PS/2 Mouse PortsPS/2 Keyboard Mouse Port Pin Definitions Serial Port Pin DefinitionsWake-On-LAN Wake-On-RingWake-On-LAN Pin Definitions Speaker Connector Pin Definitions Power LED/SpeakerGlan 1/2 Giga-bit Ethernet Ports Overheat LED Pin Definitions Overheat LED/Fan Fail JOH1OH/Fan Fail LED Pin Definitions SMB Header Pin DefinitionsVGA Connector Power SMB I2 C ConnectorSgpio Headers Unit Identification SwitchesGlan Enable/Disable Jumper SettingsGlan Enable Jumper Settings Explanation JumpersWatch Dog Jumper Settings JWD Watch Dog Enable/DisableCmos Clear VGA Enable/Disable Jumper Settings JPG1 VGA Enable/DisableI2C Bus to PCI Slots 1/2 I2C Bus to PCI Slots Jumper SettingsGlan Activity Indicator Jumper Settings Onboard IndicatorsGlan LEDs Onboard PWR LED Indicator LE1 Onboard Power LED LE1Step Floppy ConnectorSimso Ipmi Slot Bale IDE ConnectorSXB1/SXB2 Slots Before Power On Troubleshooting ProceduresNo Power Losing the System’s Setup ConfigurationMemory Errors Technical Support ProceduresQuestion How do I update my BIOS? Frequently Asked QuestionsQuestion Whats on the CD that came with my motherboard? Returning Merchandise for ServiceHow To Change the Configuration Data System BiosStarting the Setup Utility IntroductionMain Bios Setup Running SetupPress the Delete key to enter Setup Main Setup Features Main Bios Setup MenuTransfer Mode LBA Mode ControlUltra DMA Mode Sata Controller ModeSata Ahci Available when Sata RAID is Disabled ICH RAID Code Base Available when Sata RAID is EnabledSystem Memory Extended MemoryAdvanced Setup Memory Cache Cache System Bios Area Power Loss ControlCache Video Bios Area Resume On Modem RingCache Extended Memory Cache Base 512K-640KDiscrete Mtrr Allocation PCI ConfigurationEmulated IRQ Solutions Default Primary Video AdapterPCI Parity Error Forwarding PCI Fast Delayed TransactionLatency Timer Enable MasterLarge Disk Access Mode Serr Signal ConditionHigh Temperature Dram Operation Memory Branch ModeCrystal Beach Features Branch 0/1 Rank Interleaving & SparingFrequency Ratio Available when supported by the CPU Clock Spectrum FeatureCore-Multi-Processing Available when supported by the CPU Machine Checking Available when supported by the CPUExecute Disable Bit Available when supported by the CPU C1 Enhanced Mode Available when supported by the CPUHardware Prefetcher Available when supported by the CPU Direct Cache Access Available when supported by the CPUI/O Device Configuration Intel Eist Support Available when supported by the CPUKBC Clock Input Serial Port aDMI Event Logging Floppy Disk ControllerEvent Log Validity Event Log CapacityCOM Port Address Console RedirectionBaud Rate Console TypePeci Agent 1/2 Temperatures/System Temperature Overheat AlarmHardware Monitor Fan1-Fan8 Speeds System TemperatureFan Speed Control Modes Voltage MonitoringBios Post Watch Dog Bios Post ErrorsSystem Event Logging Clear System Event LoggingTimer for Loading OS Minutes OS Boot Watch DogSystem Event Log/System Event Log List Mode Time Out OptionIPMI LAN Configuration Realtime Sensor DataUpdate LAN Settings Default GatewayVlan Tagging IP Address SourceSecurity Boot Priority Order/Excluded from Boot Orders BootExit Page Recoverable Post Error Beep Codes Appendix a Post Error Beep CodesPage Appendix B Installing the Windows OS Page Driver/Tool Installation Display Screen Installing other Software Programs and DriversConfiguring Supero Doctor Supero Doctor III Interface Display Screen-II Remote Control