Compaq AlphaServer ES45 User manual

Compaq Computer Corporation
AlphaServer ES45
Service Guide
Order Number: EK-ES450-SV. A01
This manual is for service providers and self-maintenance
customers responsible for ES45 systems.

First Printing, July 2001
© 2001 Compaq Computer Corporation
Compaq, the Compaq logo, Compaq Insight Manager, AlphaServer, StorageWorks, and TruCluster
Registered in U.S. Patent and Trademark Office. OpenVMS and Tru64 are trademarks of Compaq
Information Technologies Group, L.P. in the United States and other countries.
Linux is a registered trademark of Linus Torvalds in several countries. UNIX is a trademark of The
Open Group in the United States and other countries. All other product names mentioned herein may
be trademarks of their respective companies.
Compaq shall not be liable for technical or editorial errors or omissions contained herein. The
information in this document is provided “as is” without warranty of any kind and is subject to change
without notice. The warranties for Compaq products are set forth in the express limited warranty
statements accompanying such products. Nothing herein should be construed as constituting an
additional warranty.
FCC Notice
This equipment generates, uses, and may emit radio frequency energy. The equipment has been type
tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of FCC
rules, which are designed to provide reasonable protection against such radio frequency interference.
Operation of this equipment in a residential area may cause interference in which case the user at his
own expense will be required to take whatever measures may be required to correct the interference.
Any modifications to this device—unless expressly approved by the manufacturer—can void the
user’s authority to operate this equipment under part 15 of the FCC rules.
Modifications
The FCCrequiresthe user to be notified that any changes or modifications made to this device that are
not expressly approved by Compaq Computer Corporation may void the user's authority to operate the
equipment.
Cables
Connections to this device must be made with shielded cables with metallic RFI/EMI connector hoods
in order to maintain compliance with FCC Rules and Regulations.
Taiwanese Notice

Japanese Notice
Canadian Notice
This Class A digital apparatus meets all requirements of the Canadian Interference-Causing Equipment
Regulations.
Avis Canadien
Cet appareil numérique de la classe A respecte toutes les exigences du Règlement sur le matériel
brouilleur du Canada.
European Union Notice
Products with the CE Marking comply with both the EMC Directive (89/336/EEC) and the Low
Voltage Directive (73/23/EEC) issued by the Commission of the European Community.
Compliance with these directives implies conformity to the following European Norms (in brackets are
the equivalent international standards):
EN55022 (CISPR 22) - Electromagnetic Interference
EN50082-1 (IEC801-2, IEC801-3, IEC801-4) - Electromagnetic Immunity
EN60950 (IEC950) - Product Safety
Warning!
Thisis a Class A product. In a domestic environment this product may cause radio interference in
which case the user may be required to take adequate measures.
Achtung!
Dieses ist ein Gerät der Funkstörgrenzwertklasse A. In Wohnbereichen können bei Betrieb dieses
Gerätes Rundfunkstörungen auftreten, in welchen Fällen der Benutzer für entsprechende
Gegenmaßnahmen verantwortlich ist.
Attention!
Ceci est un produit de Classe A. Dans un environnement domestique, ce produit risque de créer des
interférences radioélectriques, il appartiendra alors à l'utilisateur de prendre les mesures spécifiques
appropriées.

v
Contents
Preface ....................................................................................................................xvii
Chapter 1 System Overview
1.1 System Architecture.............................................................................. 1-2
1.2 System Enclosures ................................................................................ 1-4
1.3 System Chassis—Front View/Top View................................................ 1-6
1.4 System Chassis—Rear View ................................................................. 1-7
1.5 Hot Swap Module.................................................................................. 1-9
1.6 I/O Ports and Slots .............................................................................. 1-10
1.7 Control Panel ...................................................................................... 1-12
1.8 System Motherboard........................................................................... 1-14
1.9 CPU Card............................................................................................ 1-16
1.10 Memory Architecture and Options...................................................... 1-17
1.11 PCI Backplane..................................................................................... 1-19
1.12 Remote System Management Logic.................................................... 1-21
1.12.1 System Power Controller (SPC).................................................... 1-23
1.12.2 Remote Management Console (RMC)........................................... 1-24
1.13 Power Supplies.................................................................................... 1-25
1.14 Fans..................................................................................................... 1-27
1.15 Removable Media Storage................................................................... 1-29
1.16 Hard Disk Drive Storage..................................................................... 1-30
1.17 System Access ..................................................................................... 1-31
1.18 Console Terminal ................................................................................ 1-33
Chapter 2 Troubleshooting
2.1 Questions to Consider ........................................................................... 2-2
2.2 Diagnostic Tables.................................................................................. 2-3
2.3 Service Tools and Utilities .................................................................... 2-9
2.3.1 Error Handling/Logging Tools (Compaq Analyze).......................... 2-9
2.3.2 Loopback Tests................................................................................ 2-9

vi
2.3.3 SRM Console Commands................................................................ 2-9
2.3.4 Remote Management Console (RMC) ........................................... 2-10
2.3.5 Crash Dumps ................................................................................ 2-10
2.3.6 Revision and Configuration Management Tool (RCM)................. 2-10
2.4 Q-Vet Installation Verification............................................................ 2-11
2.4.1 Installing Q-Vet ............................................................................ 2-13
2.4.2 Running Q-Vet.............................................................................. 2-15
2.4.3 Reviewing Results of the Q-Vet Run............................................. 2-17
2.4.4 De-Installing Q-Vet....................................................................... 2-19
2.5 Information Resources ........................................................................ 2-20
2.5.1 Compaq Service Tools CD.............................................................. 2-20
2.5.2 ES45 Service HTML Help File....................................................... 2-20
2.5.3 Alpha Systems Firmware Updates ................................................ 2-20
2.5.4 Fail-Safe Loader............................................................................. 2-21
2.5.5 Software Patches............................................................................ 2-21
2.5.6 Learning Utility ............................................................................. 2-21
2.5.7 Late-Breaking Technical Information ........................................... 2-21
2.5.8 Supported Options ......................................................................... 2-22
Chapter 3 Power-Up Diagnostics and Display
3.1 Overview of Power-Up Diagnostics....................................................... 3-2
3.2 System Power-Up Sequence.................................................................. 3-3
3.3 Power-Up Displays................................................................................ 3-6
3.3.1 SROM Power-Up Display ............................................................... 3-6
3.3.2 SRM Console Power-Up Display................................................... 3-10
3.3.3 SRM Console Event Log ............................................................... 3-13
3.4 Power-Up Error Messages .................................................................. 3-14
3.4.1 SROM Messages with Beep Codes................................................ 3-14
3.4.2 Checksum Error............................................................................ 3-16
3.4.3 No MEM Error.............................................................................. 3-18
3.4.4 RMC Error Messages.................................................................... 3-19
3.4.5 SROM Error Messages.................................................................. 3-22
3.5 Forcing a Fail-Safe Floppy Load......................................................... 3-24
3.6 Updating the RMC.............................................................................. 3-26

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Chapter 4 SRM Console Diagnostics
4.1 Diagnostic Command Summary ........................................................... 4-2
4.2 buildfru.................................................................................................. 4-6
4.3 cat el and more el ................................................................................ 4-10
4.4 clear_error........................................................................................... 4-11
4.5 crash.................................................................................................... 4-12
4.6 deposit and examine............................................................................ 4-13
4.7 exer...................................................................................................... 4-17
4.8 floppy_write......................................................................................... 4-22
4.9 grep ..................................................................................................... 4-23
4.10 hd......................................................................................................... 4-25
4.11 info....................................................................................................... 4-27
4.12 Kill and Kill_diags .............................................................................. 4-41
4.13 memexer.............................................................................................. 4-42
4.14 memtest............................................................................................... 4-44
4.15 net ....................................................................................................... 4-49
4.16 nettest ................................................................................................. 4-51
4.17 set sys_serial_num .............................................................................. 4-55
4.18 show error ........................................................................................... 4-56
4.19 show fru............................................................................................... 4-59
4.20 show_status......................................................................................... 4-62
4.21 sys_exer............................................................................................... 4-64
4.22 test....................................................................................................... 4-66
Chapter 5 Error Logs
5.1 Error Log Analysis with Compaq Analyze............................................ 5-2
5.1.1 WEB Enterprise Service (WEBES) Director................................... 5-4
5.1.2 Using Compaq Analyze................................................................... 5-5
5.1.3 Bit to Test ..................................................................................... 5-10
5.2 Fault Detection and Reporting............................................................ 5-17
5.3 Machine Checks/Interrupts................................................................. 5-19
5.3.1 Error Logging and Event Log Entry Format................................ 5-21
5.4 Environmental Errors Captured by SRM ........................................... 5-23

viii
Chapter 6 System Configuration and Setup
6.1 System Consoles.................................................................................... 6-2
6.1.1 Selecting the Display Device........................................................... 6-3
6.1.2 Setting the Control Panel Message................................................. 6-4
6.2 Displaying the Hardware Configuration............................................... 6-5
6.3 Setting Environment Variables ............................................................ 6-6
6.4 Setting Automatic Booting.................................................................. 6-16
6.4.1 Setting the Operating System to Auto Start ................................ 6-16
6.5 Changing the Default Boot Device...................................................... 6-17
6.6 Setting SRM Security.......................................................................... 6-18
6.7 Configuring Devices ............................................................................ 6-20
6.7.1 CPU Configuration ....................................................................... 6-21
6.7.2 Memory Configuration.................................................................. 6-23
6.7.3 PCI Configuration......................................................................... 6-29
6.7.4 PCI Module LEDs ......................................................................... 6-31
6.7.5 Power Supply Configurations ....................................................... 6-32
6.9 Booting Linux...................................................................................... 6-34
Chapter 7 Using the Remote Management Console
7.1 RMC Overview ...................................................................................... 7-2
7.2 Operating Modes................................................................................... 7-4
7.2.1 Bypass Modes.................................................................................. 7-6
7.3 Terminal Setup ..................................................................................... 7-9
7.4 Connecting to the RMC CLI................................................................ 7-10
7.5 SRM Environment Variables for COM1 ............................................. 7-12
7.6 RMC Command-Line Interface........................................................... 7-13
7.6.1 Defining the COM1 Data Flow ..................................................... 7-15
7.6.2 Displaying the System Status....................................................... 7-16
7.6.3 Displaying the System Environment............................................ 7-18
7.6.4 Dumping DPR Data...................................................................... 7-20
7.6.5 Power On and Off, Reset, and Halt .............................................. 7-22
7.6.6 Configuring Remote Dial-In.......................................................... 7-24
7.6.7 Configuring Dial-Out Alert........................................................... 7-26
7.6.8 Resetting the Escape Sequence .................................................... 7-29
7.7 Resetting the RMC to Factory Defaults.............................................. 7-30
7.8 Troubleshooting Tips........................................................................... 7-32

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Chapter 8 FRU Removal and Replacement
8.1 FRUs ..................................................................................................... 8-3
8.1.1 Power Cords.................................................................................... 8-6
8.1.2 FRU Locations ................................................................................ 8-7
8.1.3 Important Information Before Replacing FRUs ............................. 8-9
8.2 Removing Enclosure Panels................................................................ 8-11
8.3 Accessing the System Chassis in a Cabinet........................................ 8-15
8.4 Removing Covers from the System Chassis........................................ 8-17
8.5 Power Supply ...................................................................................... 8-21
8.6 Fans..................................................................................................... 8-23
8.7 Universal Hard Disk Drives................................................................ 8-25
8.8 Removing the Shipping Bracket ......................................................... 8-28
8.9 CPUs ................................................................................................... 8-30
8.10 Memory DIMMs .................................................................................. 8-33
8.10.1 Determining Memory Configuration ............................................ 8-37
8.11 PCI Cards............................................................................................ 8-39
8.11.1 Replacing the PCI Hot Swap Module ........................................... 8-43
8.12 OCP Assembly..................................................................................... 8-44
8.13 Installing Disk Cages.......................................................................... 8-45
8.13 Cabling a Second Disk Drive Cage...................................................... 8-49
8.13 Adding or Replacing Removable Media .............................................. 8-50
8.14 Floppy Drive........................................................................................ 8-53
8.15 I/O Connector Assembly...................................................................... 8-55
8.16 PCI Backplane..................................................................................... 8-57
8.17 System Motherboard........................................................................... 8-62
8.18 Power Harness .................................................................................... 8-65
Appendix A SRM Console Commands
Appendix B Jumpers and Switches
B.1 RMC and SPC Jumpers on System Motherboard.................................B-2
B.2 TIG/FSL Jumpers on System Motherboard..........................................B-4
B.3 Clock Generator Switch Settings ..........................................................B-7
B.4 Jumper on PCI Board............................................................................B-9
B.5 Setting Jumpers..................................................................................B-11

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Appendix C DPR Address Layout
Appendix D Registers
D.1 Ibox Status Register (I_STAT)............................................................. D-2
D.2 Memory Management Status Register (MM_STAT) .......................... D-5
D.3 Dcache Status Register (DC_STAT)..................................................... D-6
D.4 Cbox Read Register .............................................................................. D-7
D.5 Exception Address Register (EXC_ADDR) .......................................... D-9
D.6 Interrupt Enable and Current Processor Mode Register (IER_CM).. D-10
D.7 Interrupt Summary Register (ISUM) ................................................ D-12
D.8 PAL Base Register (PAL_BASE) ....................................................... D-14
D.9 Ibox Control Register (I_CTL)............................................................ D-15
D.10 Process Context Register (PCTX)....................................................... D-20
D.11 21274 Cchip Miscellaneous Register (MISC) ..................................... D-23
D.12 21274 Cchip CPU Device Interrupt Request Register (DIRn, n=0,1,2,3)
............................................................................................................ D-26
D.13 21274 Array Address Registers (AAR0–AAR3).................................. D-27
D.14 Pchip System Error Register (SERROR) ........................................... D-29
D.15 Pchip A/G PCI Error Register (GPERROR, APERROR) ................... D-31
D.16 Pchip AGP Error Register (AGPERROR) .......................................... D-35
D.17 DPR Registers for 680 Correctable Machine Check Logout Frames . D-37
D.18 DPR Power Supply Status Registers ................................................. D-40
D.19 DPR 680 Fatal Registers.................................................................... D-41
D.20 CPU and System Uncorrectable Machine Check Logout Frame ....... D-42
D.21 Console Data Log Event Environmental Error Logout Frame (680
Uncorrectable).................................................................................... D-43
D.22 CPU and System Correctable Machine Check Logout Frame ........... D-44
D.23 Environmental Error Logout Frame (680 Correctable) ..................... D-45
D.24 Platform Logout Frame Register Translation.................................... D-46
Appendix E Isolating Failing DIMMs
E.1 Information for Isolating Failures ........................................................E-2
E.2 DIMM Isolation Procedure....................................................................E-3
E.3 EV68 Single-Bit Errors .......................................................................E-19