Compaq AlphaServer ES40 Informations techniques Page 1

Compaq Computer CorporationAlphaServer ES40Service GuideOrder Number: EK–ES240–SV. A01This guide is intended for service providers and self-maintenanc

xD.4 Cbox Read Register...D-8D.5 Exception Address Register (EXC_ADDR)...

3-32 Compaq AlphaServer ES40 Service Guide3.5 Forcing a Fail-Safe Floppy LoadUnder some circumstances, you may need to force the activation of theF

Power-Up Diagnostics and Display 3-331. Turn off the system. Unplug the power cord from each power supply andwait for the 5V AUX indicators to ext

3-34 Compaq AlphaServer ES40 Service Guide3.6 Updating the RMCUnder certain circumstances, the RMC will not function. If theproblem is caused by c

Power-Up Diagnostics and Display 3-35You can update the remote management console firmware from flash ROMusing the LFU.1. Load the update medium.2.

SRM Console Diagnostics 4-1Chapter 4SRM Console DiagnosticsThis chapter describes troubleshooting with the SRM console.The SRM console firmware con

4-2 Compaq AlphaServer ES40 Service Guide4.1 Diagnostic Command SummaryDiagnostic commands are used to test the system and help diagnosefailures.

SRM Console Diagnostics 4-3Table 4–1 Summary of Diagnostic and Related Commands (Continued)Command FunctionkillTerminates a specified pr

4-4 Compaq AlphaServer ES40 Service Guide4.2 buildfruThe buildfru command initializes I2C bus EEPROM descriptive datastructures for the named FRU a

SRM Console Diagnostics 4-5The information supplied on the buildfru command line includes the consolename for the FRU, part number, serial number,

xi4–3 clear_error...4-104–4 deposit and examine ...

4-6 Compaq AlphaServer ES40 Service GuideThe ES40 FRU assembly hierarchy has three levels. The FRU types from thetop to the bottom of the hierarchy

SRM Console Diagnostics 4-7Arguments<fru_name>Console name for this FRU. This name reflects the positionof the FRU in the assembly hierarchy

4-8 Compaq AlphaServer ES40 Service Guide4.3 cat el and more elThe cat el and more el commands display the contents of the consoleevent log.In Exam

SRM Console Diagnostics 4-9➊CPU 1 failed.➋Fan 1 and Fan 2 failed.Status and error messages are logged to the console event log at power-up,during n

4-10 Compaq AlphaServer ES40 Service Guide4.4 clear_errorThe clear_error command clear errors logged in the FRU EEPROMs asreported by the show erro

SRM Console Diagnostics 4-114.5 crashThe SRM crash command forces a crash dump to the selected device forUNIX and OpenVMS systems.P00>>> c

4-12 Compaq AlphaServer ES40 Service Guide4.6 deposit and examineThe deposit command writes data to the specified address of a memorylocation, regi

SRM Console Diagnostics 4-13DepositThe deposit command stores data in the location specified. If no options aregiven, the system uses the options f

4-14 Compaq AlphaServer ES40 Service Guide-bDefines data size as byte.-wDefines data size as word.-l (default)Defines data size as longword.-qDefin

SRM Console Diagnostics 4-15Symbolic forms can be used for the address. They are:pcThe program counter. The address space is set to GPR.+The locati

xiiFigures1–1 System Block Diagram...1-21–2 Compaq AlphaServer ES40 Systems...

4-16 Compaq AlphaServer ES40 Service Guide4.7 exerThe exer command exercises one or more devices by performingspecified read, write, and compare op

SRM Console Diagnostics 4-17P00>>> ls -l dk*.*r--- dk 0/0 0 dka0.0.0.0.0P00>>> exer dk*.* -bc 1

4-18 Compaq AlphaServer ES40 Service Guide7. Compare buffer1 with buffer2 and report any discrepancies.8. Repeat the above steps until each block o

SRM Console Diagnostics 4-19-bs <block_size>Specifies the block size (hex) in bytes. The default is 200(hex).-bc <block_per_io>Specifie

4-20 Compaq AlphaServer ES40 Service Guide-a <action_string>(continued)• ? Seek to a random block offset within thespecified range of blocks

SRM Console Diagnostics 4-214.8 floppy_writeThe floppy_write script runs a write test on the floppy drive todetermine whether or not you can write

4-22 Compaq AlphaServer ES40 Service Guide4.9 grepThe grep command is very similar to the UNIX grep command. Itallows you to search for “regular e

SRM Console Diagnostics 4-23Syntaxgrep ( [-{c|i|n|v}] [-f <file>] [<expression>] [<file>...] )Arguments<expression>Specifi

4-24 Compaq AlphaServer ES40 Service Guide4.10 hdThe hd command dumps the contents of a file (byte stream) inhexadecimal and ASCII.Example 4–8 hd

SRM Console Diagnostics 4-25➊Example 4–8 shows a hex dump to DPR location 2b00, ending at block 0.Syntaxhd [-{byte|word|long|quad}] [-{sb|eb} <n

xiii6–7 AlphaBIOS Utilities Menu...6-296–8 Run Maintenance Program Dialog Box ...

4-26 Compaq AlphaServer ES40 Service Guide4.11 infoThe info command displays registers and data structures. You canenter the command by itself or

SRM Console Diagnostics 4-27info 0Displays the SRM memory descriptors as described in the Alpha SystemReference Manual.info 1Displays the page tabl

4-28 Compaq AlphaServer ES40 Service GuideExample 4–11 shows an abbreviated info 2 display.Example 4–11 info 2P00>>> info 2GCT_BUFFER_HE

SRM Console Diagnostics 4-29Example 4–12 shows an abbreviated info 3 display.Example 4–12 info 3P00>>> info 3CCHIP CSRs: 8

4-30 Compaq AlphaServer ES40 Service GuideExample 4–13 shows an abbreviated info 4 display.Example 4–13 info 4P00>>> info 4

SRM Console Diagnostics 4-314.12 kill and kill_diagsThe kill and kill_diags commands terminate diagnostics that arecurrently executing.Example 4–14

4-32 Compaq AlphaServer ES40 Service Guide4.13 memexerThe memexer command runs a specified number of memory exercisersin the background. Nothing i

SRM Console Diagnostics 4-33If the memory configuration is very large, the console might not test all of thememory. The upper limit is 1 GB.Use th

4-34 Compaq AlphaServer ES40 Service Guide4.14 memtestThe memtest command exercises a specified section of memory.Typically memtest is run from the

SRM Console Diagnostics 4-35➊Use the show memory command or an info 0 command to see wherememory is located.➋Starting address➌Length of the section

xivTables1 Compaq AlphaServer ES40 Documentation...xix1–1 Fan Descriptions...

4-36 Compaq AlphaServer ES40 Service GuideNOTE: If memtest is used to test large sections of memory, testing may take awhile to complete. If you is

SRM Console Diagnostics 4-37Syntaxmemtest ( [-sa <start_address>] [-ea <end_address>] [-l <length>][-bs <block_size>] [-i &

4-38 Compaq AlphaServer ES40 Service GuideOptions-mTimer. Prints out the run time of the pass. Default = off .-zTests the specified memory address

SRM Console Diagnostics 4-394.15 netThe net command performs maintenance operations on a specifiedEthernet port. Net -ic initializes the MOP count

4-40 Compaq AlphaServer ES40 Service GuideSyntaxnet [-ic]net [-s]Arguments<port_name>Specifies the Ethernet port on which to operate, either

SRM Console Diagnostics 4-414.16 nettestThe nettest command tests the network ports using MOP loopback.Typically nettest is run from the built-in c

4-42 Compaq AlphaServer ES40 Service GuideNettest performs a network test. It can test the ei* or ew* ports in internalloopback, external loopback,

SRM Console Diagnostics 4-43Syntaxnettest ( [-f <file>] [-mode <port_mode>] [-p <pass_count>][-sv <mop_version>] [-to <l

4-44 Compaq AlphaServer ES40 Service Guide-sv <mop_version> Specifies which MOP version protocol to use. If 3,then MOP V3 (DECNET Phase IV) p

SRM Console Diagnostics 4-454.17 set sys_serial_numThe set sys_serial_num command sets the system serial number. Thiscommand is used by Manufactur

xvD–11 21272-CA Device Interrupt Request Register Fields... D-30D–12 21272-CA Pchip Error Register Fields...

4-46 Compaq AlphaServer ES40 Service Guide4.18 show errorThe show error command reports errors logged to the FRU EEPROMs.Example 4–20 show errorP

SRM Console Diagnostics 4-47The output of the show error command is based on information logged to theserial control bus EEPROMs on the system FRUs

4-48 Compaq AlphaServer ES40 Service GuideTable 4–2 Show Error Message TranslationBit Mask(E Field) Text Message Meaning and Action01<fruname&

SRM Console Diagnostics 4-494.19 show fruThe show fru command displays the physical configuration of FRUs.Use show fru -e to display FRUs with erro

4-50 Compaq AlphaServer ES40 Service GuidePWR1 00 30-49448-01. C02 2P91600530 API-7650FAN1 00 70-40073-01 -

SRM Console Diagnostics 4-51Table 4–3 lists bit assignments for failures that could potentially be listed in theE (error) field of the show fru com

4-52 Compaq AlphaServer ES40 Service Guide4.20 show_statusThe show_status command displays the progress of diagnostics. Thecommand reports one lin

SRM Console Diagnostics 4-53➊Process ID➋The SRM diagnostic for the particular device➌The ID of the device under test➍Number of diagnostic passes th

4-54 Compaq AlphaServer ES40 Service Guide4.21 sys_exerThe sys_exer command exercises the devices displayed with the showconfig command. Tests are

SRM Console Diagnostics 4-55Use the show_status command to display the progress of diagnostic tests.The diagnostics started by the sys_exer command

4-56 Compaq AlphaServer ES40 Service Guide4.22 testThe test command verifies all the devices in the system. This commandcan be used on all supporte

SRM Console Diagnostics 4-57• A trial diskette with files installed• A trial CD-ROM with files installedThe test script tests devices in the follow

Error Logs 5-1Chapter 5Error LogsThis chapter tells how to interpret error logs reported by the operating system.The following topics are covered:•

5-2 Compaq AlphaServer ES40 Service Guide5.1 Error Log Analysis with Compaq AnalyzeCompaq Analyze (CA) is a fault management diagnostic tool that i

Error Logs 5-35.1.1 WEB Enterprise Service (WEBES) DirectorCompaq Analyze uses the functionality contained in the WEBESDirector, a process that ex

5-4 Compaq AlphaServer ES40 Service Guide5.1.2 Invoking the GUIWhen you invoke the Compaq Analyze GUI, the node “localhost” opensby default for al

Error Logs 5-5Figure 5–2 shows an example of an event screen for an ES40 system.When an error is detected, it is reported to the console with a ser

5-6 Compaq AlphaServer ES40 Service Guide5.1.3 Problem Found ReportAfter you select the Problem Found report and click on DisplayInformation, a fu

Error Logs 5-7identification for this event type. The Event_ID_Count indicates the numberthis event is of this event type.Brief DescriptionThe Bri

xviiPrefaceIntended AudienceThis manual is for service providers and self-maintenance customers who areresponsible for servicing Compaq AlphaServer ES

5-8 Compaq AlphaServer ES40 Service GuideFigure 5–4 FRU List Designator

Error Logs 5-9FRU ListThe FRU List designator lists the most probable defective FRUs. This listindicates that service needs to be administered to

5-10 Compaq AlphaServer ES40 Service GuideFigure 5–5 Evidence Designator

Error Logs 5-11EvidenceThe Evidence designator provides information that leads Compaq Analyze toidentify the failing FRU and its location. A porti

5-12 Compaq AlphaServer ES40 Service Guide5.2 Fault Detection and ReportingTable 5–1 provides a summary of the fault detection and correctioncompon

Error Logs 5-13Table 5–1 Compaq AlphaServer ES40 Fault Detection and CorrectionComponent Fault Detection/Correction CapabilityAlpha 21264 (EV6)mi

5-14 Compaq AlphaServer ES40 Service Guide5.3 Machine Checks/InterruptsThe exceptions that result from hardware system errors are calledmachine che

Error Logs 5-15Table 5–2 Machine Checks/Interrupts (Continued)Error Type Error DescriptionsSystem Correctable Error(620)ES40-specific correctable

5-16 Compaq AlphaServer ES40 Service Guide5.3.1 Error Logging and Event Log Entry FormatThe operating system error handlers generate several entry

Error Logs 5-17Table 5–3 Sample Error Log Event Structure Map (ES40 with 10 PCI Slots)OFFSET(hex) 63 56 55 48 47 40 39 32

xviiiThis manual has eight chapters and five appendixes.• Chapter 1, System Overview, gives an overview of the system anddescribes the components.• Ch

5-18 Compaq AlphaServer ES40 Service Guide5.4 Environmental Errors Captured by SRMIf an environmental error occurs while the SRM console is running

Error Logs 5-19P00>>>*** unexpected system event through vector 680 on CPU 0os_flags 0000000000000000cchip_dirx 00040000000000

5-20 Compaq AlphaServer ES40 Service Guide5.5 Windows NT Error LogsThe Display Error Frames selection of the AlphaBIOS Utilities menuallows you to

Error Logs 5-21Fatal Error HaltsFatal error halts are single errors that occur when the operating system isrunning. Only one operating system fata

5-22 Compaq AlphaServer ES40 Service GuideFigure 5–7 Display Error Frames Screen

Error Logs 5-23Displaying an Error Frame1. To display the error frame, enter AlphaBIOS Setup and select the Utilitiesmenu.2. From the Utilities men

5-24 Compaq AlphaServer ES40 Service Guide5.5.1 Viewing a Formatted Text-Style Error FramePress the Enter key to view a formatted text-style error

Error Logs 5-25You can browse the entire contents of an error log by using the scroll bar, asshown in Figure 5–9.Figure 5–9 Browsing Error Logs

5-26 Compaq AlphaServer ES40 Service Guide5.5.2 Viewing a Binary Dump of the Error FramePress the F6 key to get a binary dump of the entire error

Error Logs 5-275.5.3 Saving the Error Frame to the FloppyPress F10 to save the error frame to the floppy. For the formatted textstyle, an ASCII (

xixDocumentation Titles1 Compaq AlphaServer ES40 DocumentationTitle Order NumberUser Documentation KitOwner’s GuideUser Interface GuideBasic Instal

5-28 Compaq AlphaServer ES40 Service GuideThe OS fatal and double error halt files are named as follows. The<cpuNumber> is two digits.Type o

Error Logs 5-29Number of TLVs in header 0078h 00000006hWall-Clock Time (Tag) 007ch 0041hWall-Clock Time (Length) 007eh 0028hWall-

5-30 Compaq AlphaServer ES40 Service Guide5.5.4 Deleting an Error FrameUse the DEL key to delete the error frame from the flash ROM. If youdelete

Error Logs 5-31Figure 5–14 Deleting an Old Error Frame

System Configuration and Setup 6-1Chapter 6System Configuration and SetupThis chapter describes how to configure and set up Compaq AlphaServer ES40

6-2 Compaq AlphaServer ES40 Service Guide6.1 System ConsolesSystem console programs are located in a flash ROM on the systemmotherboard. From the

System Configuration and Setup 6-3SRM ConsoleSystems running the Tru64 UNIX or OpenVMS operating systems areconfigured from the SRM console, a comm

6-4 Compaq AlphaServer ES40 Service Guide6.1.1 Switching Between ConsolesUnder some circumstances, you may need to switch between the systemconsol

System Configuration and Setup 6-56.1.2 Selecting the Console and Display DeviceThe SRM os_type environment variable determines which userinterfac

First Printing, July 1999The information in this publication is subject to change without notice.COMPAQ COMPUTER CORPORATION SHALL NOT BE LIABLE FOR T

6-6 Compaq AlphaServer ES40 Service GuideYou can verify the display device with the SRM show console command andchange the display device with the

System Configuration and Setup 6-76.1.3 Setting the Control Panel MessageIf you are running Tru64 UNIX or OpenVMS, you can create acustomized mess

6-8 Compaq AlphaServer ES40 Service Guide6.2 Displaying the Hardware ConfigurationView the system hardware configuration for UNIX and OpenVMSsystem

System Configuration and Setup 6-9Displaying a Windows NT Hardware ConfigurationView a Windows NT configuration as follows:1. From the AlphaBIOS Se

6-10 Compaq AlphaServer ES40 Service Guide6.3 Setting Environment Variables for Tru64 UNIX or OpenVMSEnvironment variables pass configuration infor

System Configuration and Setup 6-11set envarThe set command sets or modifies the value of an environment variable. It canalso be used to create a n

6-12 Compaq AlphaServer ES40 Service GuideTable 6–1 SRM Environment Variables Used on ES40 SystemsVariable Attributes Descriptionauto_actionNV,W1

System Configuration and Setup 6-13Table 6–1 SRM Environment Variables Used on ES40 Systems (Continued)Variable Attributes Descriptionbo

6-14 Compaq AlphaServer ES40 Service GuideTable 6–1 SRM Environment Variables Used on ES40 Systems (Continued)Variable Attributes Descri

System Configuration and Setup 6-15Table 6–1 SRM Environment Variables Used on ES40 Systems (Continued)Variable Attributes Descriptionco

System Overview 1-1Chapter 1System OverviewThis chapter provides an overview of the system in these sections:• System Architecture• System Enclosur

6-16 Compaq AlphaServer ES40 Service GuideTable 6–1 SRM Environment Variables Used on ES40 Systems (Continued)Variable Attributes Descri

System Configuration and Setup 6-17Table 6–1 SRM Environment Variables Used on ES40 Systems (Continued)Variable Attributes Descriptionla

6-18 Compaq AlphaServer ES40 Service GuideTable 6–1 SRM Environment Variables Used on ES40 Systems (Continued)Variable Attributes Descri

System Configuration and Setup 6-19Table 6–1 SRM Environment Variables Used on ES40 Systems (Continued)Variable Attribute Descriptionsys

6-20 Compaq AlphaServer ES40 Service Guide6.4 Setting Up a System for Windows NTBefore you install and boot Windows NT for the first time, set thes

System Configuration and Setup 6-216.4.1 Setting the Date and TimeSet the date and time from the CMOS Setup screen.Figure 6–4 CMOS Setup ScreenD

6-22 Compaq AlphaServer ES40 Service Guide6.4.2 Setting Up the Hard DiskSet up the hard disk from the Hard Disk Setup screen.Figure 6–5 Hard Dis

System Configuration and Setup 6-236.4.3 Setting the Level of Memory TestingSet the level of memory testing that occurs when the system is powercy

6-24 Compaq AlphaServer ES40 Service Guide6.5 Setting Automatic BootingWindows NT systems are factory set to auto start; UNIX and OpenVMSsystems ar

System Configuration and Setup 6-256.5.1 Windows NT and Auto StartOn Windows NT systems the Auto Start option is enabled by default,which causes t

1-2 Compaq AlphaServer ES40 Service Guide1.1 System ArchitectureThe system uses a switch-based interconnect system that maintainsconstant performan

6-26 Compaq AlphaServer ES40 Service Guide6.5.2 Setting Tru64 UNIX or OpenVMS Systems to Auto StartThe SRM auto_action environment variable determ

System Configuration and Setup 6-276.6 Changing the Default Boot DeviceIt is not necessary to modify the boot file setting for Windows NT. Youcan

6-28 Compaq AlphaServer ES40 Service Guide6.7 Running AlphaBIOS-Based UtilitiesDepending upon the type of hardware you have, you may have to runhar

System Configuration and Setup 6-296.7.1 Running Utilities from a VGA MonitorIf you are running Windows NT, no terminal setup is required forrunni

6-30 Compaq AlphaServer ES40 Service Guide4. In the Run Maintenance Program dialog box, type the name of the programto be run in the Program Name f

System Configuration and Setup 6-316.7.2 Setting Up Serial ModeSerial mode requires a VT320 or higher (or equivalent) terminal. Torun AlphaBIOS a

6-32 Compaq AlphaServer ES40 Service Guide6.7.3 Running Utilities from a Serial TerminalUtilities are run from a serial terminal the same way as f

System Configuration and Setup 6-331. Issue the alphabios command at the P00>>> prompt to start theAlphaBIOS console.2. From the AlphaBIOS

6-34 Compaq AlphaServer ES40 Service Guide6.7.4 Running the RAID Standalone Configuration UtilityThe RAID Standalone Configuration Utility is used

System Configuration and Setup 6-356.8 Setting SRM SecurityThe set password and set secure commands set SRM security. Thelogin command turns off s

System Overview 1-3This system is designed to fully exploit the potential of the Alpha 21264 chip byusing a switch-based (or point-to-point) interc

6-36 Compaq AlphaServer ES40 Service Guide➊Setting a password. If a password has not been set and the set passwordcommand is issued, the console p

System Configuration and Setup 6-37If You Forget the PasswordIf you forget the current password, use the login command in conjunction withthe contr

6-38 Compaq AlphaServer ES40 Service Guide6.9 Setting Windows NT SecurityPassword protection provides two levels of security for a Windows NTsystem

System Configuration and Setup 6-39Startup password protection provides more comprehensive protection thansetup password protection because with st

6-40 Compaq AlphaServer ES40 Service Guide6.10 Configuring DevicesBecome familiar with the configuration requirements for CPUs andmemory before rem

System Configuration and Setup 6-41Figure 6–10 CPU Slot Locations (Tower)CPU 3CPU 2CPU 1CPU 0PK0229CPU Configuration Rules6. A CPU must be instal

6-42 Compaq AlphaServer ES40 Service Guide6.10.2 Memory ConfigurationBecome familiar with the rules for memory configuration beforeadding DIMMs to

System Configuration and Setup 6-43DIMM Information for Model 2 SystemsDIMMs are manufactured with two types of SRAMs, stacked and unstacked(see Fi

6-44 Compaq AlphaServer ES40 Service GuideFigure 6–12 Memory Configuration (Pedestal/Rack)11335577002244661133557700224466Array 0Sets 0 & 4Ar

System Configuration and Setup 6-45Figure 6–13 Memory Configuration (Tower)00224466Array 0Sets 0 & 4Array 1Sets 1 & 5Array 2Sets 2 &

1-4 Compaq AlphaServer ES40 Service Guide1.2 System EnclosuresThe Compaq AlphaServer ES40 family consists of a standalone tower, apedestal with exp

6-46 Compaq AlphaServer ES40 Service Guide6.10.3 PCI ConfigurationFigure 6–14 PCI Slot Locations (Pedestal/Rack) 1234567891010-SlotSystem123891

System Configuration and Setup 6-47Figure 6–15 PCI Slot Locations (Tower)1234567891010-Slot System12 36-Slot System 8910PK0227The PCI slots are

6-48 Compaq AlphaServer ES40 Service Guide6.10.4 Power Supply ConfigurationsFigure 6–16 Power Supply Locations001122TowerPedestal/RackPK0207A001

System Configuration and Setup 6-49The system can have the following power configurations:Single Power Supply. A single power supply is provided w

6-50 Compaq AlphaServer ES40 Service Guide6.11 Switching Between Operating SystemsThe system supports three operating systems. You can install Tru

System Configuration and Setup 6-511. Shut down the operating system and power off the system. Unplug thepower cord from each power supply.2. Remo

6-52 Compaq AlphaServer ES40 Service Guide6.11.2 Switching from Windows NT to UNIX or OpenVMSFollow this procedure if you have already installed W

Using the Remote Management Console 7-1Chapter 7Using the Remote Management ConsoleYou can manage the system through the remote management console

7-2 Compaq AlphaServer ES40 Service Guide7.1 RMC OverviewThe remote management console provides a mechanism for monitoringthe system (voltages, tem

Using the Remote Management Console 7-3The RMC logic is implemented using an 8-bit microprocessor, PIC17C44, as theprimary control device. The fir

System Overview 1-5Model VariantsAlphaServer ES40 systems are offered in two models. The entry-level modelprovides connectors for four DIMMs on ea

7-4 Compaq AlphaServer ES40 Service Guide7.2 Operating ModesThe RMC can be configured to manage different data flow pathsdefined by the com1_mode e

Using the Remote Management Console 7-5Through ModeThrough mode is the default operating mode. The RMC routes every characterof data between the i

7-6 Compaq AlphaServer ES40 Service Guide7.2.1 Bypass ModesFor modem connection, you can set the operating mode so that dataand control signals pa

Using the Remote Management Console 7-7Figure 7–2 shows the data flow in the bypass modes. Note that the internalsystem COM1 port is connected dir

7-8 Compaq AlphaServer ES40 Service GuideAfter downloading binary files, you can set the com1_mode environmentvariable from the SRM console to swit

Using the Remote Management Console 7-97.3 Terminal SetupYou can use the RMC from a modem hookup or the serial terminalconnected to the system. As

7-10 Compaq AlphaServer ES40 Service Guide7.4 Connecting to the RMC CLIYou type an escape sequence to connect to the RMC CLI. You canconnect to t

Using the Remote Management Console 7-11Connecting from the Local VGA MonitorTo connect to the RMC CLI from the local VGA monitor, the consoleenvir

7-12 Compaq AlphaServer ES40 Service Guide7.5 SRM Environment Variables for COM1Several SRM environment variables allow you to set up the COM1seria

Using the Remote Management Console 7-137.6 RMC Command-Line InterfaceThe remote management console supports setup commands andcommands for managin

1-6 Compaq AlphaServer ES40 Service Guide1.3 System Chassis—Front View/Top ViewFigure 1–3 Components Top/Front View (Pedestal/Rackmount

7-14 Compaq AlphaServer ES40 Service GuideCommand ConventionsObserve the following conventions for entering RMC commands:• Enter enough characters

Using the Remote Management Console 7-157.6.1 Defining the COM1 Data FlowUse the set com1_mode command from SRM or RMC to define theCOM1 data flow

7-16 Compaq AlphaServer ES40 Service Guide7.6.2 Displaying the System StatusThe RMC status command displays the current RMC settings.Table 7–1 exp

Using the Remote Management Console 7-17Table 7–1 Status Command FieldsField MeaningOn-Chip FirmwareRevision:Revision of RMC firmware on the micr

7-18 Compaq AlphaServer ES40 Service Guide7.6.3 Displaying the System EnvironmentThe RMC env command provides a snapshot of the systemenvironment.

Using the Remote Management Console 7-19➊ CPU temperature. In this example four CPUs are present.➋Temperature of PCI backplane: Zone 0 includes PC

7-20 Compaq AlphaServer ES40 Service Guide7.6.4 Dumping DPR DataThe dump command dumps unformatted data from DPR locations0–3FFF hex. The informat

Using the Remote Management Console 7-21➊DPR address➋Number of bytes dumped (in hex). In the example the dump commanddumps EF bytes from address 1

7-22 Compaq AlphaServer ES40 Service Guide7.6.5 Power On and Off, Reset, and HaltThe RMC power {on, off}, halt {in, out}, and reset commands perfo

Using the Remote Management Console 7-23Halt In and Halt OutThe halt in command halts the system. The halt out command releases thehalt. When you

System Overview 1-71.4 System Chassis—Rear ViewFigure 1–4 Rear Components (Pedestal/Rackmount Orientation)231PK0206➊ Power supplies➋ PCI bulkhead

7-24 Compaq AlphaServer ES40 Service Guide7.6.6 Configuring Remote Dial-InBefore you can dial in through the RMC modem port or enable thesystem to

Using the Remote Management Console 7-25➊Sets the password that is prompted for at the beginning of a modemsession. The string cannot exceed 14 ch

7-26 Compaq AlphaServer ES40 Service Guide7.6.7 Configuring Dial-Out AlertWhen you are not monitoring the system from a modem connection,you can u

Using the Remote Management Console 7-27The elements of the dial string and alert string are shown in Table 7–2. Pagingservices vary, so you need

7-28 Compaq AlphaServer ES40 Service GuideTable 7–2 Elements of Dial String and Alert StringDial StringATXDTThe dial string is case sensitive. T

Using the Remote Management Console 7-297.6.8 Resetting the Escape SequenceThe RMC set escape command sets a new escape sequence.The new escape se

7-30 Compaq AlphaServer ES40 Service Guide7.7 Resetting the RMC to Factory DefaultsIf the non-default RMC escape sequence has been lost or forgotte

Using the Remote Management Console 7-31The following procedure restores the default settings:1. Shut down the operating system and press the Power

7-32 Compaq AlphaServer ES40 Service Guide7.8 Troubleshooting TipsTable 7–3 lists possible causes and suggested solutions for symptomsyou might se

Using the Remote Management Console 7-33Table 7–3 RMC Troubleshooting (Continued)Symptom Possible Cause Suggested SolutionRMC will not answerwhen

1-8 Compaq AlphaServer ES40 Service Guide1.5 I/O Ports and SlotsFigure 1–5 Rear ConnectorsPK020991 2 3 4 5 6 781012345678910Pedestal/RackTower

FRU Removal and Replacement 8-1Chapter 8FRU Removal and ReplacementThis chapter describes the procedures for removing and replacing FRUs onCompaq A

8-2 Compaq AlphaServer ES40 Service Guide8.1 FRUsTable 8–1 lists the FRUs by part number and description. Figure 8–1shows the location of FRUs in

FRU Removal and Replacement 8-3Table 8–1 FRU List (Continued)Part # DescriptionCPU Modules54-30158-03 500 MHz EV6 4 MB cached CPU54-30158-05 Acc

8-4 Compaq AlphaServer ES40 Service GuideTable 8–1 FRU List (Continued)Part # Description30-49448-01 Power supply, 720 WattsSN-LKQ46-Ax Keyboard,

FRU Removal and Replacement 8-58.1.1 Power CordsTower enclosures ordered in North America include a 120 V powercord. Non-North American orders re

8-6 Compaq AlphaServer ES40 Service Guide8.1.2 FRU LocationsFigure 8–1 and Figure 8–2 show the location of FRUs in the pedestaland rackmount confi

FRU Removal and Replacement 8-7Figure 8–2 FRUs — Rear (Pedestal/Rack View)PK0286PowerSuppliesPower HarnessAccess CoverSpeakerI/O Connector Module

8-8 Compaq AlphaServer ES40 Service Guide8.1.3 Important Information Before Replacing FRUsThe system must be shut down before you replace most FRU

FRU Removal and Replacement 8-9Before Replacing Non Hot-Plug FRUsFollow the procedure below before replacing any non hot-plug FRU.1. Shut down the

System Overview 1-9Rear Panel Connections➊Modem port—Dedicated 9-pin port for connection by modem to remotemanagement console.➋COM2 serial port—Ext

8-10 Compaq AlphaServer ES40 Service Guide8.2 Removing Enclosure Panels on a Tower or PedestalOpen and remove the front door. Loosen the captive s

FRU Removal and Replacement 8-11To Remove Enclosure Panels from a TowerThe enclosure panels are secured by captive screws.1. Remove the front door.

8-12 Compaq AlphaServer ES40 Service GuideFigure 8–4 Enclosure Panel Removal (Pedestal)12PK0234

FRU Removal and Replacement 8-13To Remove Enclosure Panels from a PedestalThe enclosure panels are secured by captive screws.1. Open and remove the

8-14 Compaq AlphaServer ES40 Service Guide8.3 Accessing the System Chassis in a CabinetIn a rackmount system, the system chassis is mounted to slid

FRU Removal and Replacement 8-15To Gain Access to the System Chassis1. Open the front door of the cabinet.2. Pull out the stabilizer bar ➊ at the b

8-16 Compaq AlphaServer ES40 Service Guide8.4 Removing Covers from the System ChassisThe system chassis has three covers: the fan cover, the syste

FRU Removal and Replacement 8-17Figure 8–7 and Figure 8–8 show the location and removal of covers on the towerand pedestal/rackmount systems, respe

8-18 Compaq AlphaServer ES40 Service GuideFigure 8–7 Covers on the System Chassis (Tower)PK021654312221

FRU Removal and Replacement 8-19Figure 8–8 Covers on the System Chassis (Pedestal/Rack)PK02151453212

Attention! Ceci est un produit de Classe A. Dans un environnement domestique, ceproduit risque de créer des interférences radioélectriques, il appar

1-10 Compaq AlphaServer ES40 Service Guide1.5 Control PanelThe control panel provides system controls and status indicators. Thecontrols are the Po

8-20 Compaq AlphaServer ES40 Service Guide8.5 Power SupplyFigure 8–9 Removing a Power Supply5432PK0232a1

FRU Removal and Replacement 8-21 WARNING: Hazardous voltages are contained within thepower supply. Do not attempt to service. Return to factory

8-22 Compaq AlphaServer ES40 Service Guide8.6 FansFigure 8–10 Replacing FansUnlockLock561234PK0208

FRU Removal and Replacement 8-23The fans are hot-plug components. You can replace individual fans while thesystem is running.WARNING: Contact wi

8-24 Compaq AlphaServer ES40 Service Guide8.7 Hard Disk DrivesFigure 8–11 Removing a Hard DrivePK0938a12

FRU Removal and Replacement 8-25Hard drives are hot-plug components.CAUTION: Before replacing a hard disk drive, ensure that the SCSI controllerand

8-26 Compaq AlphaServer ES40 Service Guide8.8 CPUsYou must shut the system down before adding or replacing a CPU.Figure 8–12 Removing CPU CardsPK

FRU Removal and Replacement 8-27Replacing a CPU Card1. Remove the covers from the fan area and the system card cage.2. Pull up on the clips at each

8-28 Compaq AlphaServer ES40 Service Guide8.9 Memory DIMMsFigure 8–13 Removing MMBs and DIMMsPK0278TowerPedestal/Rack1234231111

FRU Removal and Replacement 8-29 WARNING: Memory DIMMs have parts that operate at hightemperatures. Wait 2 minutes after power is removed beforet

System Overview 1-11➌Power LED (green). Lights when the power button is depressed andsystem power passes initial checks.➍Reset button. A momenta

8-30 Compaq AlphaServer ES40 Service GuideFigure 8–14 Aligning DIMM in MMBPK0953a

FRU Removal and Replacement 8-314. Install the new DIMM. Align the notches on the gold fingers with theconnector keys (Figure 8–14) and secure the

8-32 Compaq AlphaServer ES40 Service Guide8.10 PCI CardsFigure 8–15 Installing or Replacing a PCI CardPK0245231WARNING: To prevent fire, use only

FRU Removal and Replacement 8-33Installing or Replacing a PCI CardYou must shut the system down before adding or replacing a PCI card.1. Remove the

8-34 Compaq AlphaServer ES40 Service Guide8.11 OCP AssemblyFigure 8–16 Removing the OCP Assembly12PK0282

FRU Removal and Replacement 8-35Removing the OCP AssemblyYou must shut the system down before removing the OCP assembly.1. Press the two tabs ➊ on

8-36 Compaq AlphaServer ES40 Service Guide8.12 Removable MediaFigure 8–17 Removing a 5.25-Inch Device12344PK0287

FRU Removal and Replacement 8-37Removing a 5.25-Inch Removable Media DeviceYou must shut the system down before adding or replacing a removable med

8-38 Compaq AlphaServer ES40 Service Guide8.13 Floppy DriveFigure 8–18 Removing the Floppy Drive123445PK0281

FRU Removal and Replacement 8-39Removing the Floppy DriveYou must shut the system down before removing the floppy drive.1. Remove the cover to the

1-12 Compaq AlphaServer ES40 Service Guide1.6 System MotherboardThe system motherboard is located on the floor of the system card cage.It has slots

8-40 Compaq AlphaServer ES40 Service Guide8.14 I/O Connector AssemblyFigure 8–19 Removing the I/O Connector AssemblyPK028421

FRU Removal and Replacement 8-41Removing the I/O Connector AssemblyYou must shut the system down before removing the I/O connector assembly.1. Unpl

8-42 Compaq AlphaServer ES40 Service Guide8.15 PCI BackplaneFigure 8–20 Cables Connected to PCI Backplane1 2 3 48567PK0279Connecting Cable Connec

FRU Removal and Replacement 8-43Disconnecting the CablesYou must shut the system down before accessing the PCI area.1. Remove the cover to the PCI

8-44 Compaq AlphaServer ES40 Service GuideFigure 8–21 Removing the PCI BackplanePK02803122 41

FRU Removal and Replacement 8-45Removing the PCI BackplaneCAUTION: When removing the PCI backplane, be careful not to flex the board.Flexing the bo

8-46 Compaq AlphaServer ES40 Service Guide8.16 System MotherboardFigure 8–22 Removing the System MotherboardPK12071237784465

FRU Removal and Replacement 8-47 !WARNING: CPUs and memory DIMMs have parts that operateat high temperatures. Wait 2 minutes after power is remov

8-48 Compaq AlphaServer ES40 Service Guide9. Unplug the five connectors ➏ on the bottom of the system motherboard.10. Remove the three Phillips scr

FRU Removal and Replacement 8-49After installing a new motherboard:1. Power up to the P00>>> prompt.2. Enter the clear_error all command.3

System Overview 1-13The system motherboard has the majority of the logic for the system, includingthe CPU, MMB connectors, the PCI connector to I/O

8-50 Compaq AlphaServer ES40 Service Guide8.17 Power HarnessFigure 8–23 Removing the Power Harness34651298778PK1208FrontBack

FRU Removal and Replacement 8-51NOTE: Removing the power harness requires the removal of other systemFRUs. Review the removal procedures for the p

SRM Console Commands A-1Appendix ASRM Console CommandsThis appendix lists the SRM console commands that are most frequently usedwith the Compaq Alp

A-2 Compaq AlphaServer ES40 Service GuideTable A–1 SRM Commands Used on ES40 Systems (Continued)Command FunctionexerExercises one or more devices

SRM Console Commands A-3Table A–1 SRM Commands Used on ES40 Systems (Continued)Command FunctionrmcInvokes the remote management console from the l

Jumpers and Switches B-1Appendix BJumpers and SwitchesThis chapter lists and describes the configuration jumpers and switches on thesystem motherboa

B-2 Compaq AlphaServer ES40 Service GuideB.1 RMC and SPC Jumpers on System MotherboardThe RMC jumpers can be used to override the RMC defaults. Fo

Jumpers and Switches B-3Table B–1 RMC/SPC Jumper SettingsJumper DescriptionJ24 1–2: Disables RMC flash update2–3: Enables RMC flash update (defaul

1-14 Compaq AlphaServer ES40 Service Guide1.7 CPU CardAn AlphaServer ES40 can have up to four CPU cards. In addition to theAlpha 21264 chip, the CP

B-4 Compaq AlphaServer ES40 Service GuideB.2 TIG/SROM Jumpers on System MotherboardTIG/SROM jumpers allow you to load the TIG if flash RAM is corru

Jumpers and Switches B-5Table B–2 TIG/SROM Jumper DescriptionsJumper DescriptionJ21 1–2: Load TIG from flash RAM (default)2–3: Load TIG from seria

B-6 Compaq AlphaServer ES40 Service GuideB.3 Clock Generator Switch SettingsSwitchpack E16 on the system motherboard sets the frequency of themain

Jumpers and Switches B-7Table B–3 Clock Generator SettingsSW1 M0 (on)SW2 M1 (on)SW3 M2 (on)SW4 M3 (off)SW5 M4 (on)SW6 M5 (off)SW7 M6 (on)SW8 N0 (o

B-8 Compaq AlphaServer ES40 Service GuideB.4 Jumpers on PCI BoardYou can set J31 on the PCI board to force DTR so that a modem will notbe disconnec

Jumpers and Switches B-9Table B–4 PCI Board Jumper DescriptionsJumper Description➊J31 1–2: Do not force COM1 DTR2–3: Force COM1 DTR (default)This

B-10 Compaq AlphaServer ES40 Service GuideB.5 Setting JumpersReview the material in the previous sections of this chapter beforesetting any system

DPR Address Layout C-1Appendix CDPR Address LayoutThis appendix shows the address layout of the dual-port RAM (DPR). Use theSRM examine dpr:addres

C-2 Compaq AlphaServer ES40 Service GuideC.1 DPR Address LayoutTable C–1 DPR Address LayoutLocation Logical Written(Hex) Indicator By Us

DPR Address Layout C-3Table C–1 DPR Address Layout (Continued)Location Logical Written(Hex) Indicator By Used For16 SROM SROM Power O

System Overview 1-15The 21264 microprocessor is a superscalar CPU with out-of-order execution andspeculative execution to maximize speed and perfor

C-4 Compaq AlphaServer ES40 Service GuideTable C–1 DPR Address Layout (Continued)Location Logical Written(Hex) Indicator By Used For81 8

DPR Address Layout C-5Table C–1 DPR Address Layout (Continued)Location Logical Written(Hex) Indicator By Used For93:96 93 RMC Temperatur

C-6 Compaq AlphaServer ES40 Service GuideTable C–1 DPR Address Layout (Continued)Location Logical Written(Hex) Indicator By Used ForB

DPR Address Layout C-7Table C–1 DPR Address Layout (Continued)Location Logical Written(Hex) Indicator By Used ForFC FC RMC Co

C-8 Compaq AlphaServer ES40 Service GuideTable C–1 DPR Address Layout (Continued)Location Logical Written(Hex) Indicator

DPR Address Layout C-9Table C–1 DPR Address Layout (Continued)Location Logical Written(Hex) Indicator By Used For2C00:2

C-10 Compaq AlphaServer ES40 Service GuideTable C–1 DPR Address Layout (Continued)Location Logical Written(Hex) Indicator

DPR Address Layout C-11Table C–1 DPR Address Layout (Continued)Location Logical Written(Hex) Indicator By Used For3500:

Registers D-1Appendix DRegistersThis appendix describes 21264 (EV6) internal processor registers; 21272(Tsunami/Typhoon) system support chipset reg

1-16 Compaq AlphaServer ES40 Service Guide1.8 Memory Architecture and OptionsThe system has two 256-bit wide memory data buses, which can movelarge

D-2 Compaq AlphaServer ES40 Service GuideD.1 Ibox Status Register (I_STAT)The Ibox Status Register (I_STAT) is read only by PAL code and is aneleme

Registers D-3Table D–1 Ibox Status Register FieldsName Bits Type DescriptionReserved <63:31> RO Reserved for Compaq.DPE <30> W1CI-cac

D-4 Compaq AlphaServer ES40 Service GuideD.2 Memory Management Status Register (MM_STAT)The Memory Management Status Register (MM_STAT) is read onl

Registers D-5Table D–2 Memory Management Status Register FieldsName Bits Type DescriptionReserved <63:11> Reserved for Compaq.DC_TAG_PERR&l

D-6 Compaq AlphaServer ES40 Service GuideD.3 Dcache Status Register (DC_STAT)The Dcache Status Register (DC_STAT) is read only by PAL code and isan

Registers D-7Table D–3 Dcache Status Register FieldsName Bits Type DescriptionReserved <63:5> Reserved for Compaq.SEO <4> W1CSecond e

D-8 Compaq AlphaServer ES40 Service GuideD.4 Cbox Read Register The Cbox Read Register is read only by PAL code and is an element inthe CPU or syst

Registers D-9Table D–4 Cbox Read Register Fields (Continued)Name DescriptionC_STAT<4:0>(continued)Bits Error Status01100 ISTREAM_BC_ERR0110

D-10 Compaq AlphaServer ES40 Service GuideD.5 Exception Address Register (EXC_ADDR)The exception address register (EXC_ADDR) is a read-only registe

Registers D-11EXC_ADDR[0] is set if the associated exception occurred in PAL mode. Theexception actions are:• If the exception was a fault or a syn

System Overview 1-17Memory ArchitectureMemory throughput in this system is maximized by the following features:• Two independent, wide memory data

D-12 Compaq AlphaServer ES40 Service GuideD.6 Interrupt Enable and Current Processor Mode Register (IER_CM)The interrupt enable and current process

Registers D-13Table D–5 IER_CM Register FieldsName Extent Type DescriptionReserved [63:39]EIEN[5:0] [38:33] RW External Interrupt EnableSLEN [32

D-14 Compaq AlphaServer ES40 Service GuideD.7 Interrupt Summary Register (ISUM)The interrupt summary register (ISUM) is a read-only register thatre

Registers D-15Table D–6 ISUM Register FieldsName Extent Type DescriptionReserved [63:39]EI[5:0] [38:33] RO External InterruptsSL [32] RO Serial L

D-16 Compaq AlphaServer ES40 Service GuideD.8 PAL Base Register (PAL_BASE)The PAL base register (PAL_BASE) is a read-write register thatcontains th

Registers D-17Table D–7 PAL_BASE Register FieldsName Extent Type DescriptionReserved [63:44] RO, 0 Reserved for COMPAQ.PAL_BASE[43:15] [43:15] RW

D-18 Compaq AlphaServer ES40 Service GuideD.9 Ibox Control Register (I_CTL)The Ibox control register (I_CTL) is a read-write register that controls

Registers D-19Table D–8 I_CTL Register FieldsName Extent Type DescriptionSEXT(VPTB[47]) [63:48] RW,0 Sign extended VPTB[47].VPTB[47:30] [47:30] R

D-20 Compaq AlphaServer ES40 Service GuideTable D–8 I_CTL Register Fields (Continued)Name Extent Type DescriptionPCT0_EN [18] RW,0 Enable perform

Registers D-21Table D–8 I_CTL Register Fields (Continued)Name Extent Type DescriptionSL_XMIT [13] WOWhen set, drives a value on SromClk_H.HWE [12

1-18 Compaq AlphaServer ES40 Service Guide1.9 PCI BackplaneThe PCI backplane has two independent 64-bit, 33 MHz PCI buses thatsupport 64-bit PCI sl

D-22 Compaq AlphaServer ES40 Service GuideTable D–8 I_CTL Register Fields (Continued)Name Extent Type DescriptionSPE[2:0] [5:3] RW,0 Super Page M

Registers D-23D.10 Process Context Register (PCTX)The process context register (PCTX) contains information associatedwith the context of a process.

D-24 Compaq AlphaServer ES40 Service GuideThe following table lists the correspondence between IPR index bits and registerfields.IPR Index Bit Regi

Registers D-25Table D–9 PCTX Register FieldsName Extent Type DescriptionReserved [63:47]ASN[7:0] [46:39] RW Address space number.Reserved [38:13]

D-26 Compaq AlphaServer ES40 Service GuideD.11 21272-CA Cchip Miscellaneous Register (MISC)This register is designed so that only writes of 1 affec

Registers D-27Table D–10 21272-CA Cchip Miscellaneous Register FieldsName Bits TypeInitialState DescriptionRES <63:44> MBZ, RAZ 0 Reserved.

D-28 Compaq AlphaServer ES40 Service GuideTable D–10 21272-CA Cchip Miscellaneous Register Fields (Continued)Name Bits TypeInitialState

Registers D-29D.12 21272-CA Cchip CPU Device Interrupt Request Register (DIRn, n=0,1,2,3)These registers indicate which interrupts are pending to t

D-30 Compaq AlphaServer ES40 Service GuideTable D–11 21272-CA Device Interrupt Request Register FieldsName Bits TypeInitialState DescriptionERR &

Registers D-31D.13 21272-CA Pchip Error Register (PERROR)If any bits <11:0> are set, this register is frozen. Only bit <0> can be sett

System Overview 1-19PCI Bus Implementation• Is fully compliant with the PCI Version 2.1 Specification• Operates at 33 MHz, delivering a peak bandwi

D-32 Compaq AlphaServer ES40 Service GuideAccess RW635655525150032PK1419-9931 4344 43 40 3916 15 12 11 8910 7 5621RESCREUECCRESNDSRDPETAAPESGEDCRTO

Registers D-33Table D–12 21272-CA Pchip Error Register FieldsName Bits TypeInitialState DescriptionSYN <63:56> RO 0 ECC syndrome of error i

D-34 Compaq AlphaServer ES40 Service GuideTable D–12 21272-CA Pchip Error Register Fields (Continued)Name Bits TypeInitialState DescriptionRES &l

Registers D-35D.14 21272-CA Array Address Registers (AAR0–AAR3)The Array Address Registers define the base address and size for eachmemory array.Ta

D-36 Compaq AlphaServer ES40 Service GuideTable D–13 21272-CA Array Address Register (AAR) (Continued)Field Bits Type Init DescriptionRES<7:4&

Registers D-37D.15 DPR Registers for 680 Correctable Machine Check Logout FramesDPR Locations A0:A9 represent the information that the console will

D-38 Compaq AlphaServer ES40 Service GuideTable D–14 DPR Locations A0:A9 (Continued)DPRLocation DescriptionA2 If bit is set the associated fault

Registers D-39Table D–14 DPR Locations A0:A9 (Continued)DPRLocation DescriptionA6 These bits indicate a door has been opened.Bit 0 unused 1

D-40 Compaq AlphaServer ES40 Service GuideD.16 DPR Power Supply Status RegistersThe RMC reads nine bytes of information from each of the three powe

Registers D-41D.17 DPR 680 Fatal RegistersThe RMC is powered by an auxiliary 5V supply that is independentfrom the system power subsystem. When an

1-20 Compaq AlphaServer ES40 Service Guide1.10 Remote System Management LogicThe remote system management logic consists of two major elements:the

D-42 Compaq AlphaServer ES40 Service GuideD.18 CPU and System Uncorrectable Machine Check Logout FrameThe SRM console or the Windows NT HAL builds

Registers D-43D.19 Console Data Log Event Environmental Error Logout Frame (680 Uncorrectable)Compaq Analyze uses the logout frame in Table D–18 fo

D-44 Compaq AlphaServer ES40 Service GuideD.20 CPU and System Correctable Machine Check Logout FrameThe SRM console or the Windows NT HAL builds th

Registers D-45D.21 Environmental Error Logout Frame(680 Correctable)Table D–20 shows Environ_QW_1:7 and Environ_QW_8 error statecapture information

D-46 Compaq AlphaServer ES40 Service GuideD.22 Platform Logout Frame Register TranslationCompaq Analyze uses information from all logout frames for

Registers D-47Table D–21 Bit Definition of Logout Frame RegistersRegisterIdentification Bit Field Text Translation DescriptionC_SYNDROME_0 <7:

D-48 Compaq AlphaServer ES40 Service GuideTable D–21 Bit Definition of Logout Frame Registers (Continued)RegisterIdentification Bit Field Text Tr

Registers D-49Table D–21 Bit Definition of Logout Frame Registers (Continued)RegisterIdentification Bit Field Text Translation DescriptionI_STAT

D-50 Compaq AlphaServer ES40 Service GuideTable D–21 Bit Definition of Logout Frame Registers (Continued)RegisterIdentification Bit Field Text Tr

Registers D-51Table D–21 Bit Definition of Logout Frame Registers (Continued)RegisterIdentification Bit Field Text Translation DescriptionI_CTL &

System Overview 1-21Dual-Port RAM (DPR)The ES40 system features a dual-port RAM—RAM that is shared between theRMC and the system motherboard logic—

D-52 Compaq AlphaServer ES40 Service GuideTable D–21 Bit Definition of Logout Frame Registers (Continued)ID Bit Field Text Translation Descriptio

Registers D-53Table D–21 Bit Definition of Logout Frame Registers (Continued)ID Bit Field Text Translation DescriptionDIRx <63><62>&l

D-54 Compaq AlphaServer ES40 Service GuideTable D–21 Bit Definition of Logout Frame Registers (Continued)RegisterIdentification Bit Field Text Tr

Registers D-55Table D–21 Bit Definition of Logout Frame Registers (Continued)RegisterIdentification Bit Field Text Translation DescriptionSMIR(En

D-56 Compaq AlphaServer ES40 Service GuideTable D–21 Bit Definition of Logout Frame Registers (Continued)RegisterIdentification Bit Field Text Tr

Registers D-57Table D–21 Bit Definition of Logout Frame Registers (Continued)RegisterIdentification Bit Field Text Translation DescriptionSystem_

D-58 Compaq AlphaServer ES40 Service GuideTable D–21 Bit Definition of Logout Frame Registers (Continued)Register Identification Bit Field Text T

Isolating Failing DIMMs E-1Appendix EIsolating Failing DIMMsThis appendix explains how to manually isolate a failing DIMM from the failingaddress a

E-2 Compaq AlphaServer ES40 Service GuideE.1 Information for Isolating FailuresTable E–1 lists the information needed to isolate the failure. SeeA

Isolating Failing DIMMs E-3E.2 DIMM Isolation ProcedureUse the procedure in this section to isolate the failing DIMM.1. Find the failing array by u

1-22 Compaq AlphaServer ES40 Service Guide1.10.1 System Power Controller (SPC)The System Power Controller (SPC) is responsible for sequencing thet

E-4 Compaq AlphaServer ES40 Service Guide3. After finding the real array, determine whether it is the lower array set orthe upper array set. Use D

Isolating Failing DIMMs E-54. Use the following table to determine the proper set. Bits<27,28,29,30,31,32>are from the failing address.Config

E-6 Compaq AlphaServer ES40 Service GuideTable E–4 Failing DIMM Lookup Table Array 1 Array 2 Array 3 Array 4Data Upper

Isolating Failing DIMMs E-7Table E–4 Failing DIMM Lookup Table (Continued) Array 1 Array 2 Array 3 Array 4Data Upper

E-8 Compaq AlphaServer ES40 Service GuideTable E–4 Failing DIMM Lookup Table (Continued) Array 1 Array 2 Array 3 Array

Isolating Failing DIMMs E-9Table E–4 Failing DIMM Lookup Table (Continued) Array 1 Array 2 Array 3 Array 4Data Upper

E-10 Compaq AlphaServer ES40 Service GuideTable E–4 Failing DIMM Lookup Table (Continued) Array 1 Array 2 Array 3 Arra

Isolating Failing DIMMs E-11Table E–4 Failing DIMM Lookup Table (Continued) Array 1 Array 2 Array 3 Array 4Data Upper

E-12 Compaq AlphaServer ES40 Service GuideTable E–4 Failing DIMM Lookup Table (Continued) Array 1 Array 2 Array 3 Arra

Isolating Failing DIMMs E-13Table E–4 Failing DIMM Lookup Table (Continued) Array 1 Array 2 Array 3 Array 4Data Upper

System Overview 1-231.10.2 Remote Management Console (RMC)The remote management console (RMC) provides a mechanism forremotely monitoring a system

E-14 Compaq AlphaServer ES40 Service GuideTable E–4 Failing DIMM Lookup Table (Continued) Array 1 Array 2 Array 3 Arra

Isolating Failing DIMMs E-15Table E–4 Failing DIMM Lookup Table (Continued) Array 1 Array 2 Array 3 Array 4Check Upper

E-16 Compaq AlphaServer ES40 Service GuideE.3 EV6 Single-Bit ErrorsThe procedure for detection down to the set of DIMMs for a single-biterror is ve

Isolating Failing DIMMs E-17Table E–5 Syndrome to Data Check Bits Table (Continued)Syndrome C_Syndrome 0 C_Syndrome 131 Data Bit 14 or 142 Data B

E-18 Compaq AlphaServer ES40 Service GuideTable E–5 Syndrome to Data Check Bits Table (Continued)Syndrome C_Syndrome 0 C_Syndrome 1B0 Data Bit 46

Index-1IndexAAAR memory addresses, E-2Acceptance testing, 2-11Advanced CMOS Setup screen, 6-23Alpha System Reference Manual, 4-26alphabios command, 6-

Index-2com1_baud environment variable, 6-14com1_flow environment variable, 6-14com1_mode environment variable, 6-14, 7-4COM2 and parallel portloopback

Index-3grep, 4-22hd, 4-24info, 4-26kill, 4-31kill_diags, 4-31memexer, 4-32memtest, 4-34more el, 4-8net, 4-39net -ic, 4-39net -s, 4-39nettest, 4-41set

Index-4Error logs, 5-1browsing in AlphaBIOS, 5-25Windows NT, 5-20Error messagespower-up, 3-22RMC, 3-28SROM, 3-30, 3-31Error repository, clearing, 8-1,

Index-5Internal processor registers (21264), D-1Interrupts, 5-14Invoking SRM from AlphaBIOS, 6-4JJumpersPCI, B-8RMC and SPC, B-2setting, B-10TIG/SROM,

1-24 Compaq AlphaServer ES40 Service Guide1.11 Power SuppliesThe power supplies provide power to components in the system box.The number of power s

Index-6Operating systemserrors reported by, 2-8switching between, 6-50switching to UNIX or OpenVMS, 6-52switching to Windows NT, 6-50Operator control

Index-7Registers (21272) DIRn, D-29Registers (EV6)Cbox Read, D-8DC_STAT, D-6EXC_ADDR, D-10I_CTL, D-18I_STAT, D-2IER_CM, D-12ISUM, D-14MM_STAT, D-4PAL_

Index-8show boot* command, 6-8show config command, 6-8show console command, 6-6show device command, 6-8show envar command, 6-11show error command, 4-4

Index-9UUART ports, 7-5Updating RMC, 3-34USB ports, 1-9User interfaces, 6-2UtilitiesAlphaBIOS, 6-28running from serial terminal, 6-32running from VGA,

System Overview 1-25One to three power supplies provide power to components in the system box.The system supports redundant power configurations to

1-26 Compaq AlphaServer ES40 Service Guide1.12 FansThe system has six hot-plug fans that provide front-to-back airflow.Figure 1–13 System Fans561

System Overview 1-27The system fans are shown in Figure 1–13 and described in Table 1–1.Table 1–1 Fan DescriptionsFanNumberArea Cooled Fan Failur

1-28 Compaq AlphaServer ES40 Service Guide1.13 Removable Media StorageThe system box houses a CD-ROM drive ➊ and a high-density 3.5-inchfloppy disk

System Overview 1-291.14 Hard Disk Drive StorageThe system chassis can have either one or two storage disk cages.You can install four 1.6-inch hard

vContentsPreface xviiChapter 1 System Overview1.1 System Architecture...1-2

1-30 Compaq AlphaServer ES40 Service Guide1.15 System AccessAt the time of delivery, the system keys are taped inside the small frontdoor that prov

System Overview 1-31Both the tower and pedestal systems have a small front door through which thecontrol panel and removable media devices are acce

1-32 Compaq AlphaServer ES40 Service Guide1.16 Console TerminalThe console terminal can be a serial (character cell) terminalconnected to the COM1

Troubleshooting 2-1Chapter 2TroubleshootingThis chapter describes the starting points for diagnosing problems on CompaqAlphaServer ES40 systems. Th

2-2 Compaq AlphaServer ES40 Service Guide2.1 Questions to ConsiderBefore troubleshooting any system problem, first check the sitemaintenance log fo

Troubleshooting 2-32.2 Diagnostic TablesSystem problems can be classified into the following five categories.Using these categories, you can quickl

2-4 Compaq AlphaServer ES40 Service GuideTable 2–1 Power ProblemsSymptom Action ReferenceSystem does notpower on.• Check error messages on the OC

Troubleshooting 2-5Table 2–2 Problems Getting to Console ModeSymptom Action ReferencePower-up screen is notdisplayed at systemconsole.Note any er

2-6 Compaq AlphaServer ES40 Service GuideTable 2–3 Problems Reported by the ConsoleSymptom Action ReferenceNo SRM messages aredisplayed after the

Troubleshooting 2-7Table 2–4 Boot ProblemsSymptom Action ReferenceSystem cannot findboot device.Check the system configuration for thecorrect dev

vi2.3.4 AlphaBIOS Menus...2-102.3.5 Remote Management Console (RMC)...

2-8 Compaq AlphaServer ES40 Service GuideTable 2–5 Errors Reported by the Operating SystemSymptom Action ReferenceSystem is hung, butSRM console

Troubleshooting 2-92.3 Service Tools and UtilitiesThis section lists some of the tools and utilities available for acceptancetesting and diagnosis

2-10 Compaq AlphaServer ES40 Service Guide2.3.4 AlphaBIOS MenusThe AlphaBIOS Standard CMOS Setup menu and the Advanced CMOS Setupmenu are used to

Troubleshooting 2-112.3.6 Operating System Exercisers (DEC VET)The Verifier and Exerciser Tool (DEC VET) is supported by the Tru64 UNIX,OpenVMS, a

2-12 Compaq AlphaServer ES40 Service Guide2.3.9 StorageWorks Command Console (SWCC)The StorageWorks Command Console (SWCC) is a storage management

Troubleshooting 2-132.4 Information ResourcesMany information resources are available, including tools that can bedownloaded from the Internet, fir

2-14 Compaq AlphaServer ES40 Service Guide• If you do not have a Web browser, you can download the files usinganonymous ftp:ftp.digital.com/pub/Dig

Troubleshooting 2-152.4.6 Late-Breaking Technical InformationYou can download up-to-date files and late-breaking technical information fromthe Int

Power-Up Diagnostics and Display 3-1Chapter 3Power-Up Diagnosticsand DisplayThis chapter describes the power-up process and RMC, SROM, and SRM powe

vii4.7 exer...4-164.8 floppy_write...

3-2 Compaq AlphaServer ES40 Service Guide3.1 Overview of Power-Up DiagnosticsThe power-up process begins with the power-on of the power supplies.Af

Power-Up Diagnostics and Display 3-33.2 System Power-Up SequenceThe power-up sequence is described below and illustrated inFigure 3–1.1. When the p

3-4 Compaq AlphaServer ES40 Service GuideFigure 3–1 Power-Up SequenceOCP Power button = INTurn on power supplies Turn on CPU converters Turn on V

Power-Up Diagnostics and Display 3-5Figure 3–1 Power-Up Sequence (Continued)Test PCIRelease CPUsB-Cache TestsMemory Config and TestsPK0964SROM Po

3-6 Compaq AlphaServer ES40 Service Guide3.3 Power-Up DisplaysPower-up information is displayed on the operator control panel andon the console ter

Power-Up Diagnostics and Display 3-7• Section 3.3.1 describes the SROM power-up sequence and shows the SROMpower-up messages and corresponding OCP

3-8 Compaq AlphaServer ES40 Service Guide3.3.1 SROM Power-Up DisplayExample 3–1 Sample SROM Power-Up DisplaySROM Power-Up Display OCP MessageSRO

Power-Up Diagnostics and Display 3-9SROM Power-Up Sequence➊When the system powers up, the SROM code is loaded into the I-cache(instruction cache) o

3-10 Compaq AlphaServer ES40 Service Guide3.3.2 SRM Console Power-Up DisplayWhen SROM power-up is complete, the primary CPU transfers controlto th

Power-Up Diagnostics and Display 3-11SRM Power-Up Sequence➊The primary CPU prints a message indicating that it is running the console.Starting with

viii6.4.1 Setting the Date and Time...6-216.4.2 Setting Up the Hard Disk...

3-12 Compaq AlphaServer ES40 Service GuideExample 3–2 SRM Power-Up Display (Continued)entering idle loopinitializing keyboardstarting console on

Power-Up Diagnostics and Display 3-13SRM Power-Up Sequence (Continued)➎The console is started on the secondary CPUs. The example shows a four-proc

3-14 Compaq AlphaServer ES40 Service Guide3.3.3 Resizing SRM Console HeapThe SRM console allocates enough memory for most configurations. Ifoptio

Power-Up Diagnostics and Display 3-15Example 3–3 Memory Resize Crash/Reboot Cycleinitialized idle PCBinitializing semaphoresinitializing heapinit

3-16 Compaq AlphaServer ES40 Service Guide 2048 MB of System MemoryTesting the SystemCPU0: insufficient dynamic memory for a request of 4592 by

Power-Up Diagnostics and Display 3-17SYSFAULT CPU0 - pc = 0014faacexception context saved starting at 001FD7B0GPRs: 0: 00000000 00048FF8 16: 0000

3-18 Compaq AlphaServer ES40 Service Guide...bus 0, slot 15 -- dqb—Acer Labs M1543C IDEstarting driversentering idle loopinitializing keyboardstart

Power-Up Diagnostics and Display 3-193.3.4 SRM Console Event LogThe SRM console event log helps you troubleshoot problems that do notprevent the s

3-20 Compaq AlphaServer ES40 Service Guide3.3.5 AlphaBIOS Startup ScreensIf the system is running the Windows NT operating system, the SRMconsole

Power-Up Diagnostics and Display 3-21Example 3–6 AlphaBIOS Boot Screen AlphaBIOS 5.68Please select the operating system t

ixChapter 8 FRU Removal and Replacement8.1 FRUs ...

3-22 Compaq AlphaServer ES40 Service Guide3.4 Power-Up Error MessagesError messages at power-up may be displayed by the RMC, SROM, andSRM. A few S

Power-Up Diagnostics and Display 3-23A few SROM error messages that appear on the operator control panel areannounced by audible error beep codes,

3-24 Compaq AlphaServer ES40 Service Guide3.4.2 Checksum ErrorIf Jump to Console is the last message displayed on the OCP, theconsole firmware may

Power-Up Diagnostics and Display 3-25 ***** Loadable Firmware Update Utility *****➏-------------------------------------------------------

3-26 Compaq AlphaServer ES40 Service Guide3.4.3 No MEM ErrorIf the SROM code cannot find any usable memory, a 1-3-3 beep code isissued (one beep,

Power-Up Diagnostics and Display 3-27➊Indicates failed DIMMs. M identifies the MMB; D identifies the DIMM. Inthis line, DIMM 2 on MMB1 failed.➋In

3-28 Compaq AlphaServer ES40 Service Guide3.4.4 RMC Error MessagesTable 3–2 lists the fatal error messages that could potentially bedisplayed on t

Power-Up Diagnostics and Display 3-29Table 3–3 RMC Warning MessagesMessage MeaningPSn failedPower supply failed. “n” is 0, 1, or 2.OverTemp Warn

3-30 Compaq AlphaServer ES40 Service Guide3.4.5 SROM Error MessagesThe SROM power-up identifies errors that may or may not prevent thesystem from

Power-Up Diagnostics and Display 3-31Table 3–4 SROM Error Messages (Continued)Code SROM Message OCP Message7E Configuration error on CPU #2 CfgER