Digital Equipment Corporation Digital Server 3220R Series Service Manual

DIGITAL Server 5220DIGITAL Server 5220 SeriesService Maintenance ManualPart Number: ER-J2BWW-SM. A01Digital Equipment Corporation

ContentsviFiguresTypical DIGITAL Server 5100/5200 ... viii2-1. Typica

5-1DIGITAL Server 52205 FRU Replacement 5IntroductionThe following sections list the Illustrated Parts Breakdown (IPB) part numbers andrelated replac

FRU Replacement5-2Server Front ViewFigureLegendOrderableSpare PartDescription1 70-31918-02 Brake assembly, frost white2 70-31897-0170-31897-02Caster l

FRU Replacement5-3DIGITAL Server 522015DEC01720-21234578591011121314616917A17B2184AFigure 5-1. Server Front View

FRU Replacement5-4Server Left-Side ViewFigureLegendOrderableSpare PartDescription1 70-33231-0170-33231-0270-33232-0170-33232-02Processor module assemb

FRU Replacement5-5DIGITAL Server 5220DEC01721-21245689101112B12A13B13A1473Figure 5-2. Server Left-Side View

FRU Replacement5-6Server Right-Side/Rear ViewFigureLegendOrderableSpare PartDescription1A1B30-43120-01Power supply (1) 450W, +3.3V, ±5V, ±12VOptional

FRU Replacement5-7DIGITAL Server 5220DEC01722-2234567891011121B1AFigure 5-3. Server Right-Side/Rear View

FRU Replacement5-8MiscellaneousOrderableSpare PartDescription30-42584-01 Proteon EISA token ring NIC30-41854-01 14.4 bps data/fax modem30-42291-01 28.

FRU Replacement5-9DIGITAL Server 5220Labels and NameplatesOrderable SparePartDescription74-49386-43 Nameplate, DIGITAL Server 522036-44556-01 Warning

FRU Replacement5-10Recommended ToolsHave the following tools available:• Phillips screwdriver• Antistatic wrist strap (recommended, but not required)B

viiDIGITAL Server 5220Preface PThis Service Maintenance Manual is a troubleshooting guide that can be used forreference when servicing DIGITAL Server

FRU Replacement5-11DIGITAL Server 5220DEC00831Figure 5-4. Server Brake

FRU Replacement5-12Removing and Installing the Side PanelsTo remove the side panels, perform the following:1. Unlock the side panels.2. Slide the p

FRU Replacement5-13DIGITAL Server 5220DEC01639-2Figure 5-5. Unlocking and Removing the Side Panels

FRU Replacement5-14Server Front ViewFigureLegendComponentA IDE CD-ROM driveB 3½-inch diskette driveC Front access 5¼-inch or 3½-inch half-height drive

FRU Replacement5-15DIGITAL Server 5220IGHFEDCBADEC01635-2Figure 5-6. Server Front View

FRU Replacement5-16Server Left Side ViewFigureLegendComponentA Power switch interlockB Upper expansion board slotsC Main logic boardD(1)Processor and

FRU Replacement5-17DIGITAL Server 5220DEC01635-3ABDEFHCGFigure 5-7. Server Left Side View

FRU Replacement5-18Server Right Side ViewFigureLegendComponentA Wide SCSI 68-pin connectorB Power plugC Jumper cableD Storage backplaneE SCSI address

FRU Replacement5-19DIGITAL Server 5220HGDACFBEIDEC01636-2Figure 5-8. Server Right Side View

FRU Replacement5-20Server Rear ViewFigureLegendComponentA SCSI knockouts (back panel)BKeylockC Keyboard and mouse portsD Parallel portE Serial portsF

PrefaceviiiDEC00421Typical DIGITAL Server 5220

FRU Replacement5-21DIGITAL Server 5220AAAHKIEFGBDEC01636-3CDJFigure 5-9. Server Rear View

FRU Replacement5-22Main Logic Board ConnectorsFigure Legend ConnectorA Dedicated ISA expansion slot (slot 2)B Shared PCI/ISA expansion slots (PCI slot

FRU Replacement5-23DIGITAL Server 52201291012345867DEC01637-2ABCEFGHIKJLQSUWMOPRTVNDFigure 5-10. Main Logic Board Connectors

FRU Replacement5-24Main Logic Board ComponentsFigure Legend ComponentA Real-time clock/server batteryB Switch blockC BIOS flash ROMD SCSI controller

FRU Replacement5-25DIGITAL Server 52201291012345867DEC01637-3DBCAFigure 5-11. Main Logic Board Components

FRU Replacement5-26Processor Module ComponentsFigureLegendComponent/ConnectorA Processor 1B Processor 2 slot or terminator cardC Switch for processor

FRU Replacement5-27DIGITAL Server 5220Video/Ethernet Daughter Card Connectors and IndicatorsFigureLegendConnectorA Video portB Network link indicator

FRU Replacement5-28Jumpers and Switch SettingsThe following table lists the main logic board switch settings and factory-defaultsettings. Figure 5-14

FRU Replacement5-29DIGITAL Server 52201291012345867DEC01637-62134OFFONSW1Figure 5-14. Main Logic Board Switch Locations

FRU Replacement5-30Processor Module Switch SettingsThe following table lists the switch settings of various processor speeds and does notindicate proc

1-1DIGITAL Server 52201 Product Description 1IntroductionThe DIGITAL Server 5220 is a high-performance, highly-scaleable network andapplication serve

FRU Replacement5-31DIGITAL Server 5220DEC01638-22134ONOFFSW112Figure 5-15. Processor Module Switch Locations

FRU Replacement5-32Installing Additional MemoryThe server has at least 64 MB of memory. Adding more memory enables the serverto run larger, more comp

FRU Replacement5-33DIGITAL Server 5220Memory Configuration GuidelinesThe memory configuration guidelines for the DIGITAL Server 5220 Series are asfoll

FRU Replacement5-34Memory ConfigurationsThe following table lists examples of memory configurations and the mixing ofmemory sizes.Bank 0 Bank 1 Bank 2

FRU Replacement5-35DIGITAL Server 5220Memory TroubleshootingThe DIGITAL Server’s Power-On Self Test (POST) can detect memory errors whenit boots. The

FRU Replacement5-36Removing and Replacing the Power Supply1. Turn off the server.2. Remove the ac power cord and monitor cables, if applicable.3. Unlo

FRU Replacement5-37DIGITAL Server 5220DEC01726Figure 5-17. Removing and Replacing the Power Supply

FRU Replacement5-38Removing and Replacing the Diskette Drive1. Turn off the server.2. Unlock and remove the left side panel.3. Open the door.4. Discon

FRU Replacement5-39DIGITAL Server 5220Figure 5-18. Removing and Replacing the Diskette Drive

FRU Replacement5-40Removing and Replacing the CD-ROM Drive1. Turn off the server.2. Unlock and the remove left side panel.3. Open the door.4. Disconne

Product Description1-2Flexible MemoryArchitectureServer memory can be upgraded from 64 MB to amaximum of 1 GB using 64 MB, 128 MB, or 256 MBregistered

FRU Replacement5-41DIGITAL Server 5220Figure 5-19. Removing and Replacing the CD-ROM Drive

FRU Replacement5-42Removing and Replacing a Cooling FanThe following procedure can be used to remove primary cooling fan 1, secondarycooling fan 4, an

FRU Replacement5-43DIGITAL Server 5220DEC00776Figure 5-20. Removing and Replacing a Cooling Fan

FRU Replacement5-44Removing and Replacing the Secondary Cooling Fan 21. Turn off the server.2. Unlock and remove the left side panel.3. Disconnect the

FRU Replacement5-45DIGITAL Server 5220DEC00777Figure 5-21. Removing and Replacing the Secondary Cooling Fan 2

FRU Replacement5-46Removing and Replacing Cooling Fan 51. Turn off the server.2. Unlock and remove the left and right side panel.3. Disconnect the fan

FRU Replacement5-47DIGITAL Server 5220Figure 5-22. Removing and Replacing Cooling Fan 5

FRU Replacement5-48Removing and Replacing the Speaker1. Turn off the server.2. Unlock and remove the left side panel.3. Disconnect the speaker cable f

FRU Replacement5-49DIGITAL Server 5220DEC00778Figure 5-23. Removing and Replacing the Speaker

FRU Replacement5-50Removing and Replacing the Main Logic Board1. Turn off the server.2. Disconnect all external cables from the I/O expansion modules

Product Description1-3DIGITAL Server 5220Hot Swap Disk CapabilityAllows replacement of hot swap drives while the serveris operating.External SCSI Port

FRU Replacement5-51DIGITAL Server 522018. Reconnect all external and internal cable connections.19. Reinstall and lock the left side panel.20. Turn on

FRU Replacement5-52Replacing the Real Time Clock (RTC) BatteryThe server’s battery runs the server clock and retains any setup information when itis t

FRU Replacement5-53DIGITAL Server 52209. Restore power, reboot and then run the BIOS Setup utility to configure theserver.Refer to Chapter 2, “Server

FRU Replacement5-54Removing and Replacing the Storage Backplane1. Turn off the server.2. Unlock and remove the right side panel.3. Record all cable co

FRU Replacement5-55DIGITAL Server 5220Figure 5-26. Removing and Replacing the Storage Backplane

FRU Replacement5-56Removing and Replacing a Caster1. Turn off the server.2. Carefully lay the server on its side.Note that the right and left casters

FRU Replacement5-57DIGITAL Server 5220DEC00779Figure 5-27. Removing and Replacing a Caster

6-1DIGITAL Server 52206 Device Mapping 6IntroductionThis chapter provides a series of tables listing map and address information relatedto server mem

Device Mapping6-2Processor Memory Address MapAddress Range Function Size00000 to 9FFFF Main memory 640 KBA0000 to BFFFF PCI/ISA video buffer memory 12

Device Mapping6-3DIGITAL Server 5220Server Interrupt LevelsInterrupt Number Interrupt SourceIRQ1 Keyboard controllerIRQ3 COM2, COM4 (if enabled)IRQ4 C

Product Description1-4Server ConfigurationsThe following rules apply when Product Family Names and Product Model Namesare assigned to DIGITAL Server p

Device Mapping6-4PCI Configuration Space Address MapPCI Bus No. Device No.(Address No.)Device0 07h (AD18) PIIX40 0Dh (AD24) PCI slot 20 0Eh (AD25) PCI

7-1DIGITAL Server 52207 Upgrade Procedure 7This chapter describes the procedure to upgrade a DIGITAL Server 5200 to aDIGITAL Server 5220 (350 MHz mo

Upgrade Procedure7-2Feature DIGITAL Server 5200 DIGITAL Server 5220 UpgradeSlots 6 PCI, 5 EISA 9 PCI, 1 PCI/ISA, 1 ISAUSB ports No Yes (2)DIGITAL RSM

Upgrade Procedure7-3DIGITAL Server 52206. Move or install disk drives. The DIGITAL Server 5220 has an integratedSymbios SCSI controller.CAUTION: Fo

Upgrade Procedure7-47. Power on the system and run AMI diagnostics to verify the hardwareupgrade. NOTE: The hardware upgrade is complete.8. After

A-1DIGITAL Server 52208 Block Diagram AMain Logic BoardThis appendix describes the DIGITAL Server 5220 Main Logic Board (MLB) blockdiagram, shown in

Block DiagramA-2• Primary IDE connector for the IDE CD-ROM and a secondary IDE connector foroptional IDE devices, such as an IDE tape drive• SCSI Inte

Block DiagramA-3DIGITAL Server 5220Figure A-1. Main Logic Board Block Diagram

Block DiagramA-4CPU/Memory ConnectorThe CPU/Memory connector is a 242-pin connector for the CPU/Memory board toprovide address/data and control line a

Block DiagramA-5DIGITAL Server 5220System I/OThe System I/O controls the system input and output functions for the serialinterface, the parallel inter

Product Description1-5DIGITAL Server 5220Product Model Numbering ConventionThe following example describes the product model numbering convention:DIGI

Block DiagramA-6Serial Interface Pin AssignmentsPin Number Function1 Carrier Detect2 Receive Data3 Transmit Data4 Data Terminal Ready5 Signal Ground6

Block DiagramA-7DIGITAL Server 5220 Parallel Interface Pin AssignmentsPin Number Function1 Strobe L2 Data Bit 03 Data Bit 14 Data Bit 25 Data Bit 36 D

Block DiagramA-8Keyboard/Mouse ControllerThe SMC 37C935APM also has an integrated keyboard/mouse controllerprogrammed to be IBM PC/AT compatible. The

Block DiagramA-9DIGITAL Server 5220SCSI ControllerThe PCI SCSI controller (SYMC896) interfaces to the Secondary PCI bus to providesupport for the SCSI

Block DiagramA-10The table below lists the SVGA connector pin assignments. SVGA Connector Pin AssignmentsPin Number Function1 Red Video2 Green Video3

Block DiagramA-11DIGITAL Server 5220Ethernet InterfaceThe combo Video/Ethernet plug-in module also provides a PCI Fast Ethernet LANcontroller with a P

Block DiagramA-12PCI Bus ExpansionThe MLB supports nine PCI slots, including a shared PCI/ISA slot. Full busmastering is supported on all nine PCI sl

B-1DIGITAL Server 52209 Supported Options List BThis appendix describes the options that have been tested and certified on theDIGITAL Server 5220 and

Supported Options ListB-2Part Number DescriptionTape DrivesFR-PCXAT-AJ Sony 7000 4/8 GB DAT (SCSI)FR-PCXAT-EA AIT Sony 25/50 GB 5.25”FR-PCXAT-AK DAT S

Supported Options ListB-3DIGITAL Server 5220Part Number DescriptionCablingFR-PCXAR-WG Internal SCSI cable, 580mm, SCSI-3, 68-pin HD IDC to 68-pin HD p

Product Description1-63, 4 = USED TO DIFFERENTIATE MODELS BASED UPON DIFFERENTPROCESSORS WITHIN A PROCESSOR TECHNOLOGY (I.E. CLOCK SPEED,CACHE SIZE) S

Supported Options ListB-4Part Number DescriptionNT ClusterFR-CK310-RF RAID 310 Windows NT Cluster KitFR-CK356-UP BA356 UW Windows NT Cluster Kit, Pede

C-1DIGITAL Server 522010 Service Notes C

Service NotesC-2

Service NotesC-3DIGITAL Server 5220

Service NotesC-4

Product Description1-7DIGITAL Server 5220Related MaterialThe following related material is available:Document or SoftwareTitleOrder Number Description

December 1998The information in this document is subject to change without notice and should notbe construed as a commitment by Digital Equipment Corp

Product Description1-8Document or SoftwareTitleOrder Number DescriptionDIGITAL ServerWORKSsoftwareQB-4WY9A-SA (Multi-language)*Contains ServerWORKS Qu

Product Description1-9DIGITAL Server 5220Latest Product Information and UpdatesCurrent server utilities and technical support information is available

2-1DIGITAL Server 52202 Server Software and Utilities 2IntroductionThis chapter describes the utilities supplied with the server. Server utilities i

Server Software and Utilities2-2ServerWORKS Quick LaunchServerWORKS Quick Launch is used to install the server’s Network OperatingSystem (NOS). In ad

Server Software and Utilities2-3DIGITAL Server 5220The following is an example of a BIOS Setup utility screen.Figure 2-1. Typical BIOS Setup Utility

Server Software and Utilities2-4Use the BIOS Setup utility to:• Set time and date• Change I/O port settings• Set security options• Change the boot seq

Server Software and Utilities2-5DIGITAL Server 5220Helpful HintsWhen using the System Setup (F2) in the BIOS Setup utility:• Several keyboard keys are

Server Software and Utilities2-6Changing The Server’s ConfigurationThe following sections provide detailed information on changing the server’s factor

Server Software and Utilities2-7DIGITAL Server 5220Changing I/O Port SettingsThe following list shows the settings that can be made to the I/O ports v

Server Software and Utilities2-8Assigning IRQsThe following information is important for managing server IRQ assignments.The default setting for PCI e

DIGITAL Server 5220The FCC wants you to know...This equipment has been tested and found to comply with the limits for a Class Bdigital device, pursuan

Server Software and Utilities2-9DIGITAL Server 5220PCI IRQ AssignmentsIn the BIOS, the PCI slots are assigned PCI IRQ A, B, C, or D, using mnemonicsPI

Server Software and Utilities2-10In BIOS Setup [F2], PCI IRQ lines 1 to 4 can be mapped to any one of the IRQs (3,4, 5, 7, 9, 10, 11, 12, 14, 15) that

Server Software and Utilities2-11DIGITAL Server 5220PCI SlotAdded Card 12345678910SCSI Controller with singleIRQNO NO NOSCSI Controller with multipleI

Server Software and Utilities2-12Setting Up SecurityThe following sections describe the security features available and how to use them.Setting Superv

Server Software and Utilities2-13DIGITAL Server 5220Perform the following steps to set a supervisor password:1. Reboot the server and enter Setup.2.

Server Software and Utilities2-14Enabling Password On BootWhen “Password On Boot” is enabled, a screen appears after POST. The screenasks fort the sup

Server Software and Utilities2-15DIGITAL Server 5220Other Security OptionsThese options can provide further security for the server under certain cond

Server Software and Utilities2-16Changing the Boot SequenceIt is sometimes necessary to change the server’s boot sequence. Follow the networkmanual’s

Server Software and Utilities2-17DIGITAL Server 5220Speeding up the Boot ProcessThere are four options for speeding up the boot process which, in esse

Server Software and Utilities2-18Checking System Management ParametersThese screens allow you to see an overview of your server's system andenvir

This equipment is in the 2nd Class category (information equipment to be used in aresidential area or an adjacent area thereto) and conforms to the st

Server Software and Utilities2-19DIGITAL Server 5220BIOS Upgrade UtilityAll servers have BIOS software in a flash (ROM) chip located on the main logic

Server Software and Utilities2-20SCSI Configuration UtilityYour DIGITAL Server comes with an onboard, dual channel SYMBIOS 896 SCSIcontroller and a SC

Server Software and Utilities2-21DIGITAL Server 5220The Main menu fields are described in the table that follows.Menu Fields Allows you to…SYM port nu

Server Software and Utilities2-22RAID Configuration UtilityIf a RAID adapter is installed in the server, the RAID configuration utility appearswhen yo

Server Software and Utilities2-23DIGITAL Server 5220 2. After the server boots, choose MS-DOS from the boot selection.3. Once the diagnostics begin,

3-1DIGITAL Server 52203 BIOS Setup Utility Features 3IntroductionAfter entering the BIOS Setup utility, you can edit a variety of resources andconfig

BIOS Setup Utility Features3-2BIOS Setup (F2)This section provides example tables and displays for the BIOS Setup utility.MainMenu Fields Settings Com

BIOS Setup Utility Features3-3DIGITAL Server 5220Menu Fields Settings CommentsF00000h, 512 KBSets the memory hole at address F00000 with512 KB memory

BIOS Setup Utility Features3-4Menu Fields Settings CommentsLBA mode controlEnabledDisabled(1)Enables the use of logic block addressinginstead of cylin

BIOS Setup Utility Features3-5DIGITAL Server 5220Menu Fields Settings CommentsCache and Shadow: [submenu]L1 cacheEnabled(1)Always set to Enabled. Not

iDIGITAL Server 5220ContentsPreface1Product DescriptionIntroduction...

BIOS Setup Utility Features3-6Menu Fields Settings CommentsKeyboard Features: [submenu]NumLockAuto(1)OnOffTurns NumLock on or off each time theserver

BIOS Setup Utility Features3-7DIGITAL Server 5220AdvancedMenu Fields Settings CommentsIntegratedPeripherals[submenu]Press [Enter] to display fields.Ad

BIOS Setup Utility Features3-8Menu Fields Settings CommentsSystem monitoringwarning beepEnabled(1)DisabledEnables or disables the 8031 warning beep.In

BIOS Setup Utility Features3-9DIGITAL Server 5220Menu Fields Settings CommentsSerial port BDisabledEnabledAuto(1)Enables, disables, or auto detects an

BIOS Setup Utility Features3-10Menu Fields Settings CommentsIf Enabled is selected,the information at the rightwill appear.Base I/O address: 378(1)

BIOS Setup Utility Features3-11DIGITAL Server 5220Menu Fields Settings CommentsIntegrated PCIEthernetEnabled(1)DisabledEnables or disables the onboard

BIOS Setup Utility Features3-12Menu Fields Settings CommentsPCI/PNP ISA UMB Region Exclusion: [submenu]C800 - CBFFCC00 - CFFFD000 - D3FFD400 - D7FFD80

BIOS Setup Utility Features3-13DIGITAL Server 5220Security OptionsMenu Fields Settings CommentsSet supervisorpasswordPress [Enter]. Allows a superviso

BIOS Setup Utility Features3-14Menu Fields Settings CommentsDiskette accessSupervisorUser(1)Controls who might have access to diskette drives.If Super

BIOS Setup Utility Features3-15DIGITAL Server 5220BootMenu Fields Settings CommentsFloppy checkEnabledDisabled(1)Enabled permits verification of FDD t

ContentsiiEnabling Password On Boot ... 2-14Eliminating User and Supervisor Passwords..

BIOS Setup Utility Features3-16System Management (F3)This section provides example tables and displays for each System Managementutility.Summary  Sys

BIOS Setup Utility Features3-17DIGITAL Server 5220Environment  Environment Monitoring and SummaryMenu Fields Settings CommentsProcessor 1 statusOKNo

BIOS Setup Utility Features3-18POST  POST Error SummaryContains a POST error summary if post fails.SYS  System Asset Number and I/O ManagementYou ca

BIOS Setup Utility Features3-19DIGITAL Server 5220CPU  Processor Module Asset Number ManagementAssembly:Asset#:Part#:Revision:Serial#:Artwork#:Proces

4-1DIGITAL Server 52204 Troubleshooting 4IntroductionThis chapter provides initial troubleshooting procedures. The tables that follow listspecific p

Troubleshooting4-2Initial TroubleshootingFollow these general procedures to troubleshoot the DIGITAL Server.• Record all configuration information and

Troubleshooting4-3DIGITAL Server 5220When to Use the DiagnosticsThe diagnostic software is a versatile tool for verifying proper hardware installation

Troubleshooting4-4Running the DiagnosticsTo run the AMIDiag base package (Emergency Mode diskette) from a diskette, followthis procedure:1. Insert the

Troubleshooting4-5DIGITAL Server 5220Running DIGITAL Vendor Extended TestsTo run DIGITAL Vendor Extended Tests from a diskette:1. Insert the DIGITAL V

Troubleshooting4-6Obtaining Information about The ServerThe DIGITAL Server provides the following system information for the main logicboard and the p

Contents iiiDIGITAL Server 5220Obtaining Information Using the BIOS Setup Utility... 4-8DIGITAL ServerWORKS Manage

Troubleshooting4-7DIGITAL Server 5220The main logic board and processor module each contain memory where specificinformation and System ID information

Troubleshooting4-8Obtaining Information Using the BIOS Setup UtilityYou can use the BIOS Setup utility to check the Serial number, Revision number,and

Troubleshooting4-9DIGITAL Server 5220DIGITAL ServerWORKS Manager allows the Network or Server Administrator toperform the following functions on the s

Troubleshooting4-10Displaying Server Status Using the HardwareThere are two types of information displayed when the DIGITAL Server is operating:• Norm

Troubleshooting4-11DIGITAL Server 5220Server Status MessagesComponent Possible Failures ResultMain logicboard voltages:+12, +5, +3.3,and -12VThe volta

Troubleshooting4-12Component Possible Failures ResultCPUtemperaturesensingThe temperature exceeds 72°C (161.6°F).Backup fans activate withoutwarning.I

Troubleshooting4-13DIGITAL Server 5220POST OCP MessagesFor the processor, the following table lists the messages, both normal and error, thatwill disp

Troubleshooting4-14POSTCode DescriptionsCountDownCode(1)Normal OCPDisplayOCP ErrorDisplayBeepCodesShadow ROMs 220 Shadow ROMstestTest DRAM refresh512K

Troubleshooting4-15DIGITAL Server 5220The following table lists the messages that appear during POST in support of theprocessor module.POST Message De

Troubleshooting4-16OCP MessagesDuring certain failure conditions, including out-of-range conditions, an error messageis displayed on the OCP panel and

ContentsivMain Logic Board Components... 5-24Processor Module Components...

Troubleshooting4-17DIGITAL Server 5220OCP Status and Error MessagesStatus Normal OCP Display OCP ErrorDisplayDescription ofError Display/ActionCPU amb

Troubleshooting4-18Status Normal OCPDisplayOCP ErrorDisplayDescription ofError Display/ActionSystem voltages PROC voltages OK GTL1 1.5V =x.xxVIO VOL 2

Troubleshooting4-19DIGITAL Server 5220Processor Module Voltage and Temperature RangesThe following tables list the operating voltage and temperature r

Troubleshooting4-20Processor Voltage Range (Vccp)Vccp± 7% Power GoodRange+10% ShutdownValue-10% Hardware Bad Value1.80V 1.6740 ~ 1.9260V > +1.980V

Troubleshooting4-21DIGITAL Server 5220Processor Temperature SensingDescription Possible Failures ResultTemperature The temperature exceeds85 °C (185 °

Troubleshooting4-22Server TroubleshootingProblem Possible Cause ActionNo response when theserver is turned on.Server is not plugged in. Turn off the s

Troubleshooting4-23DIGITAL Server 5220Problem Possible Cause ActionPower is on, but there is noscreen display.Brightness and contrastcontrols are not

Troubleshooting4-24Problem Possible Cause ActionServer operates incorrectlyafter installing optionalexpansion board.Expansion board installedincorrect

Troubleshooting4-25DIGITAL Server 5220Problem Possible Cause ActionNo response to keyboardcommands.Keyboard might be passwordprotected by a local orre

Troubleshooting4-26Disk Drive TroubleshootingProblem Possible Cause ActionServer does notrecognize an internalSCSI device.SCSI device jumpersincorrect

Contents vDIGITAL Server 5220PCI ISA IDE Xcelerator (PIIX4)... A-4BIOS ROM...

Troubleshooting4-27DIGITAL Server 5220Problem Possible Cause ActionServer does notrecognize an externalSCSI device.SCSI device jumpersincorrectly setR

Troubleshooting4-28Problem Possible Cause ActionServer does not bootfrom an internal SCSIhard disk drive.Boot device not attached to theSCSI controlle

Troubleshooting4-29DIGITAL Server 5220Problem Possible Cause ActionSCSI hard disk drivecannot read or writeinformation.Incorrect disk drive jumpersett

Troubleshooting4-30Hot Swap Drive TroubleshootingProblem Possible Cause ActionDrive fault LED lit. Drive failed. Replace hot swap drive.Drive activity

Troubleshooting4-31DIGITAL Server 5220Tape Drive TroubleshootingProblem Possible Cause ActionTape will not load. Tape inserted incorrectly. Insert the

Troubleshooting4-32Monitor TroubleshootingProblem Possible Cause ActionMonitor power indicator isnot on.Monitor is turned off. Turn on the monitor.Pow

Troubleshooting4-33DIGITAL Server 5220CD-ROM TroubleshootingProblem Possible Cause ActionCannot access the CD-ROM drive. Errormessage reading drive x

Troubleshooting4-34Diskette Drive TroubleshootingProblem Possible Cause ActionTarget diskette drive cannotread or write information.Diskette is not fo

Troubleshooting4-35DIGITAL Server 5220RAID TroubleshootingProblem Possible Cause ActionReplaced drive does notspin up to speed.Drive not seen by RAIDh

Troubleshooting4-36Flash BIOS TroubleshootingProblem Possible Cause ActionCannot flash the server’sBIOSMain logic board switchsettings incorrectly set