SUPER MICRO Computer 6015W-UR RAM failure on data bits xxxx* of low byte of memory bus

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SUPERSERVER 6015W-UR/6015W-U/6015W-NTR/6015W-NT User's Manual

POST Code

Description

16h

1-2-2-3 BIOS ROM checksum

17h

Initialize cache before memory Auto size

18h

8254 timer initialization

1Ah

8237 DMA controller initialization

1Ch

Reset Programmable Interrupt Controller

20h

1-3-1-1 Test DRAM refresh

22h

1-3-1-3 Test 8742 Keyboard Controller

24h

Set ES segment register to 4 GB

28h

Auto size DRAM

29h

Initialize POST Memory Manager

2Ah

Clear 512 kB base RAM

2Ch

1-3-4-1 RAM failure on address line xxxx*

2Eh

1-3-4-3 RAM failure on data bits xxxx* of low byte of memory bus

2Fh

Enable cache before system BIOS shadow

32h

Test CPU bus-clock frequency

33h

Initialize Phoenix Dispatch Manager

36h

Warm start shut down

38h

Shadow system BIOS ROM

3Ah

Auto size cache

3Ch

Advanced confi guration of chipset registers

3Dh

Load alternate registers with CMOS values

41h

Initialize extended memory for RomPilot (optional)

42h

Initialize interrupt vectors

45h

POST device initialization

46h

2-1-2-3 Check ROM copyright notice

48h

Check video confi guration against CMOS

49h

Initialize PCI bus and devices

4Ah

Initialize all video adapters in system

4Bh

QuietBoot start (optional)

4Ch

Shadow video BIOS ROM

4Eh

Display BIOS copyright notice

4Fh

Initialize MultiBoot

50h

Display CPU type and speed

51h

Initialize EISA board (optional)

52h

Test keyboard

54h

Set key click if enabled

55h

Enable USB devices

58h

2-2-3-1 Test for unexpected interrupts

59h

Initialize POST display service

5Ah

Display prompt “Press <ESC> to enter SETUP”

5Bh

Disable CPU cache

B-2

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Contents Super Manual Revision 1.0a Release Date April 23 Preface About This ManualManual Organization System Safety Preface Table of Contents System Interface Bios Chapter Introduction OverviewServerboard Features Server Chassis Features Front Control Panel BackplaneCooling System CPU1 CPU2 Europe Contacting SupermicroHeadquarters Asia-PacificChapter Server Installation Preparing for SetupUnpacking the System Choosing a Setup Location Rack PrecautionsServer Precautions Ambient Operating Temperature Rack Mounting ConsiderationsInstalling the System into a Rack Installing the Inner RailsIdentifying the Sections of the Rack Rails Installing the Outer Rails Installing the Rack RailsInstalling the Server into the Rack Installing the Server into a RackInstalling the Server into a Telco Rack Installing the Server into a Telco RackChecking the Serverboard Setup Accessing the Inside of the SystemChecking the Components Checking the Drive Bay Setup Checking the DrivesProviding Power Checking the AirflowReset Chapter System InterfaceControl Panel Buttons Power Control Panel LEDsUniversal Information LED NIC2 Sata Drive Carrier LEDs Chapter System Safety Electrical Safety PrecautionsGeneral Safety Precautions ESD Precautions Operating Precautions Installing the Onboard BatteryHandling the Serverboard Chapter Advanced Serverboard SetupPrecautions UnpackingProcessor and Heatsink Installation Installing the ProcessorPage Installing the Heatsink Removing the HeatsinkConnecting Power Cables Connecting CablesConnecting Data Cables Connecting the Control PanelFront Control Panel Header Pins JF1 I/O PortsInstalling Memory Installing DIMMsMemory Support Installing Dimm into Slot PCI Expansion Slots PCI Card InstallationAdding PCI Cards PCI Slot/Card ConfigurationsServerboard Details Super X7DWU LayoutJumper Description Default Setting X7DWU Quick ReferenceConnector Definitions HDD LED Universal Information LEDPower Button Power Fail LEDReset Button Universal Serial Bus USB0/1Universal Serial Bus Headers Serial PortsFan Headers Overheat LED Power LED/SpeakerATX PS/2 Keyboard and PS/2 Mouse Ports Wake-On-LANWake-On-Ring LAN1/2 Ethernet PortsJumper Settings Explanation of JumpersLAN Enable/Disable VGA Enable/DisablePower Force On Cmos ClearWatch Dog Enable/Disable I2C Enable/DisableMemory Voltage Select Onboard Indicators LAN1/LAN2 LEDsFloppy Connector Floppy, IDE and Sata Drive ConnectionsIDE Connector Sata PortsInstalling Drivers Driver Installation Display ScreenChapter Advanced Chassis Setup Static-Sensitive DevicesControl Panel Chassis Front and Rear ViewsSystem Fans System Fan FailureReplacing System Fans Drive Bay Installation/Removal Removing the Front BezelAccessing the Drive Bays Removing the Front BezelSata Drive Installation Mounting a Sata Drive in a Drive CarrierInstalling/Removing a Sata Drive Removing a Sata Drive from the ServerDVD-ROM and Floppy Drive Installation Removing/Installing a DriveRemoving the Chassis Cover Power Supply Replacing the Power Supply6015W-UR/6015W-NTR 6015W-U/6015W-NT Removing/Replacing the Power Supply Page Chapter IntroductionDefault settings are in bold text unless otherwise noted Running SetupMain Bios Setup Press the Delete key to enter SetupSystem Time Main Bios Setup Menu Main Setup FeaturesBios Date System DateIDE Channel 0 Master/Slave and Secondary IDE Master/ Slave TypeCHS Format Ultra DMA Mode LBA Mode ControlTransfer Mode LBA FormatICH RAID Code Base Available when Sata RAID is Enabled Native Mode OperationSerial ATA Sata RAID Enable Sata Ahci Available when Sata RAID is DisabledQuickBoot Mode Advanced SetupBoot Features QuietBoot ModeEFI OS Boot Acpi ModePower Button Behavior Set Power On PasswordMemory Cache PCI Configuration Advanced Chipset Control Memory Voltage Memory Branch ModeIntel VT for Directed I/O 4GB PCI Hole GranularityDemand Scrubbing High Temperature Dram OperationEnhanced x8 Detection AMB Thermal SensorAdvanced Processor Options Hardware Prefetcher Available when supported by the CPU C1/C2 Enhanced Mode Available when supported by the CPUExecute Disable Bit Available when supported by the CPU Direct Cache Access Available when supported by the CPUDevice Configuration DMI Event Logging Console Redirection Hardware Monitor LogicFan Speed Control Modes Voltage MonitoringOS Boot Watch Dog Abled Bios Post ErrorsAbled Bios Post Watch Dog Timer for Loading OS MinutesSystem Event Log/System Event Log List Mode Realtime Sensor DataSet Supervisor Password Supervisor Password IsUser Password Is SecurityTPM Trusted Platform Modules Support Set User PasswordPassword on Boot Current TPM StateBoot Boot Priority Order/Excluded from Boot OrdersExit Page Appendix a Bios Post Messages Real time clock error System Cmos checksum bad Default configuration usedSystem timer error Check date and time settingsAllocation Error for device System cache error Cache disabledFail-Safe Timer NMI Failed Entering SetupInvalid System Configuration Data PS/2 Mouse Boot Summary ScreenFixed Disk n Device IRQ conflictSystem Bios shadowed Press F1 to resume, F2 to Setup, F3 for previousPress F2 to enter Setup Video Bios shadowedPage Appendix B Bios Post Codes Recoverable Post ErrorsTerminal Post Errors RAM failure on data bits xxxx* of low byte of memory bus Post Code Description Inform RomPilot about the end of Post optional Following are for boot block in Flash ROM Page Appendix C System Specifications ProcessorsChassis Expansion Slots see -6 for detailsOperating Environment