SUPER MICRO Computer X7DWE Appendix a Post Error Beep Codes, Recoverable Post Error Beep Codes

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Appendix A: POST Error Beep Codes

Appendix A

POST Error Beep Codes

This section lists POST (Power On Self Test) error beep codes for the Phoenix BIOS. POST error beep codes are divided into two categories: recoverable and terminal. This section lists Beep Codes for recoverable POST errors.

Recoverable POST Error Beep Codes

When a recoverable type of error occurs during POST, BIOS will display a POST code that describes the problem. BIOS may also issue one of the following beep codes:

1 long and two short beeps - video conﬁ guration error 1 repetitive long beep - no memory detected

A-1

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Contents

USER’S Manual Manual Revision Release Date April 9 About This Manual Manual OrganizationConventions Used in the Manual Page Preface Table of Contents Table of Contents TroubleshootingAppendices BiosOverview ChecklistHeadquarters Contacting SupermicroEurope Asia-PaciﬁcX7DWE Image X7DWE X7DWE Motherboard LayoutJumper Description Default Setting Connector DescriptionX7DWE Quick Reference Memory Motherboard FeaturesChipset Expansion SlotsDimensions Acpi FeaturesOnboard I/O OtherSystem Diagram Chipset Overview Intel 5400 MCH North BridgeIntel 631xESB/632x ESB I/O Controller Hub-ESB2 South Bridge PC Health Monitoring Special FeaturesSlow Blinking LED for Suspend-State Indicator Acpi FeaturesMain Switch Override Mechanism CPU Overheat LED and ControlPower Supply External Modem Ring-OnWake-On-LAN WOL Super I/O Page Precautions Static-Sensitive DevicesUnpacking Installing an LGA771 Processor Processor and Heatsink InstallationPage CEK Heatsink Installation Installation of the HeatsinkMounting the Motherboard in the Chassis Memory Installation Dimm InstallationMemory Support Possible System Memory Allocation & Availability Installing and Removing DIMMsBack Panel Connectors/IO Ports Control Panel Connectors/IO PortsFront Control Panel JF1 Header PinsFront Control Panel Pin Deﬁnitions Power LEDNMI Button NMI PWR LEDHDD LED NIC1 LED NIC2 LED NIC1/NIC2 LED IndicatorsOverheat OH/Fan Fail LED Power Fail LEDPower Button Reset ButtonConnecting Cables ATX Power ConnectorProcessor Power Connector Chassis Intrusion Universal Serial Bus USBVGA Connector Fan HeadersVGA ATX PS/2 Keyboard and PS/2 Mouse Ports Serial PortsCOM1 COM2 Power LED/Speaker Wake-On-LANWOR Sgpio Headers Glan 1/2 Giga-bit Ethernet PortsGLAN1 GLAN2 GLAN1 GLAN2 SGPIO-1 SGPIO-2SMB PWR SMB Power SMB I2C ConnectorGlan Enable/Disable Jumper SettingsEnabled Explanation JumpersCmos Clear Watch Dog Enable/DisableI2C Bus to PCI-X/PCI-Exp. Slots VGA Enable/DisableOnboard Power LED Onboard IndicatorsGlan LEDs LEDCPU VRM Overheat LED Indicators LED5 CPU1VRM OHLED6 CPU2VRM OH Step Floppy ConnectorSimlp Ipmi Slot Serial ATA PortsIDE Connector Troubleshooting Procedures Before Power OnNo Power Losing the System’s Setup Conﬁguration Memory ErrorsNo Video Technical Support Procedures Frequently Asked QuestionsQuestion How do I update my BIOS? Question Whats on the CD that came with my motherboard? Returning Merchandise for ServiceSystem Bios How To Change the Conﬁguration DataIntroduction Running Setup Main Bios SetupPress the Delete key to enter Setup Bios Date Main Bios Setup MenuSystem Time System DateType CHS FormatLBA Format Transfer Mode LBA Mode ControlUltra DMA Mode Native Mode OperationSerial ATA Sata RAID Enable Sata Controller Mode OptionSata Ahci Enable ICH RAID Code BaseBoot Features Advanced SetupEFI OS Boot Power Button BehaviorPower Loss Control Resume On Modem RingMemory Cache PCI Conﬁguration Advanced Chipset Control Intel VT for Direct I/O VT-d Demand Scrub Route Port 80h Cycles to Crystal Beach FeaturesHigh Precision Event Time USB FunctionAdvanced Processor Options Direct Cache Access Available when supported by the CPU Hardware Prefetch Available when supported by the CPUDCA Delay Clocks Available when supported by the CPU Intel Eist Support Available when supported by the CPUDevice Conﬁguration DMI Event Logging Console Redirection Hardware Monitor Logic Fan Speed Control ModesVoltage Monitoring Ipmi Speciﬁcation Version Abled Bios Post ErrorsSystem Event Logging Clear System Event LoggingBios Post Watch Dog System Event Log/System Event Log List ModeAbled OS Boot Watch Dog Timer for Loading OS Minutes Realtime Sensor Data SecurityUser Password Is Supervisor Password IsSet Supervisor Password Set User PasswordBoot Priority Order/Excluded from Boot Orders BootExit Recoverable Post Error Beep Codes Appendix a Post Error Beep CodesPage Appendix B Installing the Windows OS Page Appendix C Installing Other Software Programs and Drivers Conﬁguring Supero Doctor Supero Doctor III Interface Display Screen-II Remote Control