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Personal Decstation/Decsystem 5000 Series Maintenance Guide

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Personal Decstation/Decsystem 5000 Series Maintenance Guide EK-PM30F-MG-004 Personal DECstation /DECsystem 5000 Series Maintenance Guide digital equipment corporation maynard, massachusetts First printing, February 1992 Second printing, June 1992 Third printing, April 1993 © Digital Equipment Corporation 1991. U.S.A. 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 computing device pursuant to Subpart J of 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. The following are trademarks of Digital Equipment Corporation: DEC MicroVMS VAX DECnet PDP VAXBI DECstation ThinWire VAXcluster DECsystem TURBOchannel VAXstation DECUS ULTRIX VMS DESTA ULTRIX-32 VT MicroVAX UNIBUS dt Contents About This Guide .......................................... xxiii Part I System Overview 1 Base System System Hardware Configurations . .................... 1–2 System Unit ......................................... 1–5 Controls and Indicators ............................ 1–7 External System Unit Connectors ................... 1–8 Internal Base System Module Connectors . ........... 1–9 Clear-NVR Jumper ................................ 1–11 System Boot ROM ................................. 1–12 For Further Information . ............................ 1–13 2 Hardware Options and Peripherals CPU Module . .................................... 2–1 Memory Modules .................................. 2–2 Monitors and Terminals ............................ 2–2 Keyboard and Mouse . ............................ 2–3 SCSI Drives . .................................... 2–4 TURBOchannel Option Modules . .................... 2–4 For Further Information . ............................ 2–5 iii 3 A Server Configuration Introduction ......................................... 3–1 Connecting a Console Terminal ......................... 3–2 Halting a server . .................................... 3–3 Default Settings for Using the Console Terminal ....... 3–4 Operational background information ................. 3–4 Part II Troubleshooting 4 Troubleshooting Overview Troubleshooting Overview . ............................ 4–2 Four Troubleshooting Techniques . .................... 4–2 Reference Material ................................... 4–4 General Troubleshooting Tips .......................... 4–5 5 The Powerup Self-test Troubleshooting Techniques ............................ 5–2 Invoking the Powerup Self-Test ........................ 5–3 Interpreting Video Error Messages . .................... 5–4 Example: Power-up Selftest Failure ........... 5–5 Connecting and Using an Alternate Terminal . ........... 5–7 Minimum Configuration Troubleshooting With the System LED................................................ 5–9 Understanding the Power-up Self-Test Sequence and the LED Display ........................................ 5–10 The Power-up Sequence ............................ 5–11 What to do when the Power-up LED Indicator is Inactive . 5–15 How to Troubleshoot the R4000 CPU Module LEDs . 5–16 6 ROM-Based Console and Diagnostics Console Commands ................................... 6–2 Similarity to Other DS5000 Systems’ Console Commands . .................................... 6–4 On-line help . .................................... 6–5 iv Configuration Display ................................. 6–6 Example: cnfg Command output . ........... 6–6 The cnfg x Command ........................ 6–8 Example: cnfg 3 Output Screen ............... 6–9 TURBOchannel Slot Number Assignments . ........... 6–11 Environment Variables ................................ 6–12 Interpreting Error Messages ........................... 6–14 Console command error messages ................... 6–17 Console exception messages ......................... 6–18 Diagnostic Tests . .................................... 6–19 Selecting diagnostic routines ........................ 6–21 7 ULTRIX Error Reporter and System Exerciser Troubleshooting Techniques ............................ 7–1 ULTRIX Error Logs .................................. 7–2 Generating error reports ........................... 7–2 On-line help . .................................... 7–4 ULTRIX error log event types . .................... 7–5 Interpreting part one of the error report . ........... 7–5 Sample error report . ............................ 7–6 Interpreting part two of the error report . ........... 7–7 Memory Error Report . ............................ 7–8 Analyzing memory error report . .................... 7–8 Error and status register error logs .................. 7–9 Error and status register error log: Example 1 ........ 7–10 Error and status register error log: Example 2 ........ 7–12 System Exercisers .................................... 7–14 On-line help . .................................... 7–15 Running the system exercisers . .................... 7–16 Running several exercisers at once . ........... 7–16 Running individual exercisers ................. 7–16 Exercising the file system and memory ............... 7–16 Exercising local file systems .................. 7–17 Exercising the system memory ................ 7–17 Exercising shared memory .................... 7–18 Exercising peripherals . ............................ 7–18 Exercising disk drives . .................... 7–19 Exercising tape drives . .................... 7–20 The mtx tape drive exerciser .................. 7–20 The tapex tape drive exerciser ................ 7–21 v Exercising the network and communication systems . 7–22 Exercising the TCP/IP network ................ 7–22 Exercising the terminal communications ........ 7–23 Exercising line printers . .................... 7–24 8 Obtaining a Crash Dump Troubleshooting Techniques ............................ 8–2 Verifying the system is hung ........................... 8–2 Crashing the system ................................. 8–3 Creating a dump file ................................. 8–4 Setting the haltaction Environmental Variables ........ 8–4 9 Procedural Flow Charts No Display at Power-Up . ............................ 9–1 Missing SCSI Device ................................. 9–3 Missing TURBOchannel Option ........................ 9–5 Missing Memory SIMMs . ............................ 9–7 Missing SERIAL.bus Device ........................... 9–9 Part III Removing and Replacing FRUs 10 Base System Hardware Using the Antistatic Kit . ............................ 10–2 Removing and Installing the System Unit Cover .......... 10–3 To Remove the System Unit Cover ................... 10–3 To Install the System Unit Cover .................... 10–4 Installing and Removing a Serial Line Adapter ........... 10–5 To install a serial line adapter . .................... 10–5 To remove a serial line adapter . .................... 10–5 Installing and Removing a SCSI Controller Terminator . 10–6 To Install a SCSI Controller Terminator . ........... 10–6 To Remove a SCSI Controller Terminator . ........... 10–6 Installing and Removing a SCSI Chain Terminator ....... 10–7 To Install a SCSI Chain Terminator ................. 10–7 To Remove a SCSI Chain Terminator ................ 10–7 Installing and Removing a ThickWire Ethernet Loopback Connector ........................................... 10–8 To Install a ThickWire Ethernet Loopback Connector . 10–8 vi To Remove a ThickWire Ethernet Loopback Connector ........................................ 10–8 Installing and Removing a Serial Line Loopback Connector ........................................... 10–9 To Install a Serial Line Loopback Connector .......... 10–9 To Remove a Serial Line Loopback Connector ......... 10–9 11 Storage Devices SCSI Requirements ................................... 11–2 SCSI Cable Lengths .................................. 11–3 Internal Drives . .................................... 11–4 Removing and Installing an Internal Floppy Disk Drive ............................................ 11–6 To remove a floppy disk drive ................. 11–6 To install a floppy disk drive .................. 11–6 Removing and Installing a Floppy Disk Mounting Bracket .......................................... 11–10 To remove a floppy disk mounting bracket . 11–10 To install a floppy disk mounting bracket ....... 11–10 Removing and Installing a Floppy Port Cover ......... 11–11 To remove the floppy port cover ............... 11–11 To install a floppy port cover .................. 11–11 Removing and Installing an Internal Hard Disk Drive ............................................ 11–12 To remove an internal hard disk drive ......... 11–12 To install an internal hard disk drive .......... 11–13 ID Settings for Internal Drives ......................... 11–14 Setting SCSI IDs .................................. 11–15 Setting the SCSI ID on an RZ23L hard disk drive . .................................... 11–15 Setting the SCSI ID on an RZ24 hard disk drive . .................................... 11–17 Setting the SCSI ID on an RZ24L hard disk drive . .................................... 11–19 Setting the SCSI ID on an RZ25 hard disk drive . .................................... 11–20 Setting the SCSI ID on an RZ26 hard disk drive . .................................... 11–23 Setting the SCSI ID on an TLZ06 tape drive . 11–25 Setting the drive select switch on an RX26 floppy disk drive .................................
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