Digital Equipment MicroVAX 3100 90 Troubleshooting And Diagnostics Information
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Digital Equipment MicroVAX 3100 90 Troubleshooting And Diagnostics Information

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MicroVAX 3100
Model 90
Troubleshooting and Diagnostic
Information
Order Number: EK–A0607–TI. B01
December 1993
This manual describes the troubleshooting procedures and diagnostic com-
mands that you can use to solve basic problems with the MicroVAX 3100
Model 90 system.
This manual supersedes EK–A0607–TI. A01
Revision Information:
Digital Equipment Corporation
Maynard, Massachusetts

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  • Page 1 Order Number: EK–A0607–TI. B01 December 1993 This manual describes the troubleshooting procedures and diagnostic com- mands that you can use to solve basic problems with the MicroVAX 3100 Model 90 system. This manual supersedes EK–A0607–TI. A01 Revision Information: Digital Equipment Corporation Maynard, Massachusetts...
  • Page 2 December 1993 Digital Equipment Corporation makes no representations that the use of its products in the manner described in this publication will not infringe on existing or future patent rights, nor do the descriptions contained in this publication imply the granting of licenses to make, use, or sell equipment or software in accordance with the description.

  • Page 3: Table Of Contents

    Contents ........... . . Preface 1 Troubleshooting and Diagnosing Problems Troubleshooting .

  • Page 5: Preface

    Preface This manual describes the troubleshooting procedures and diagnostic commands that you can use to solve basic problems with the MicroVAX™ 3100 Model 90 system. Audience This manual is intended for people who have some experience with computers. Structure of This Manual This manual has one chapter and an index.
  • Page 6 Conventions The following conventions are used in this manual: Convention Description Text displayed on the screen is shown in monospace type. MONOSPACE Italic type emphasizes important information and indicates the italic type complete titles of manuals. boldface type Boldface type in examples indicates user input. Boldface type in text indicates the first instance of terms defined in the text.

  • Page 7: Troubleshooting And Diagnosing Problems

    Troubleshooting and Diagnosing Problems This chapter describes the troubleshooting procedures and diagnostic commands that you can use to solve basic problems with the MicroVAX 3100 Model 90 system. It contains information on the following: • Troubleshooting • Diagnostic tests and commands •...

  • Page 8: Using The Troubleshooting Table

    • Expansion box SCSI cables • Expansion box power cords • ThinWire™ Ethernet cable or standard Ethernet cable 6. Check that the following terminators, if installed, are correctly connected and are not damaged: • SCSI terminators • ThinWire Ethernet terminator (T-connector and two terminators) •...

  • Page 9: Basic Troubleshooting

    Table 1–1 Basic Troubleshooting Symptom Possible Cause Suggested Solution System Problems The system unit fan is off The power cord is not Make sure that all the power cords or the power light is off. connected. The power cord are connected correctly at both may be faulty.
  • Page 10 Table 1–1 (Cont.) Basic Troubleshooting Symptom Possible Cause Suggested Solution System Problems The port to which the Try connecting the terminal to terminal connects may be another system. If this solution faulty. works, the port to which the terminal was connected is faulty. If the terminal still does not operate, it is faulty.
  • Page 11 Table 1–1 (Cont.) Basic Troubleshooting Symptom Possible Cause Suggested Solution RRD42 Compact Disc Drive Problems The drive does not accept The disc is upside-down in Remove the disc from the caddy the caddy. the caddy or it is not placed and reinsert it properly.
  • Page 12 Table 1–1 (Cont.) Basic Troubleshooting Symptom Possible Cause Suggested Solution TZ30 Tape Drive Problems The TZ30 green LED The drive mechanism is Press and release the unload button flashes rapidly. faulty or the tape cartridge to clear the fault. If the LED is damaged.
  • Page 13 Table 1–1 (Cont.) Basic Troubleshooting Symptom Possible Cause Suggested Solution TLZ06 Cassette Tape Drive Problems The system cannot write to The write-protect switch If the write-protect LED is on, the cassette tape. is in the write-protect remove the tape, reset the switch position.
  • Page 14 Table 1–1 (Cont.) Basic Troubleshooting Symptom Possible Cause Suggested Solution RX™26 Diskette Drive Problems The system cannot read The diskette is not Format the diskette. from or write to the formatted. diskette. The diskette is not correctly Eject the diskette. Try to insert the inserted.

  • Page 15: Diagnostic Tests And Commands

    1.3 Diagnostic Tests and Commands There are a number of diagnostic tests and commands that can help you to isolate a problem with the system unit. These tests and commands are as follows: • Power-up tests • Diagnostic tests and utilities •...

  • Page 16: Power-Up Tests

    1.3.1 Power-Up Tests The system runs the power-up tests each time you turn on the system. After successful completion of tests, the system will either enter Console mode or proceed to automatic bootstrap, depending on the HALT action selected by the user.
  • Page 17 Note The operating system messages start here, i.e. VMS ..If the power-up tests encounter an error, one of the following actions occurs: For minor errors: • If HALT action is set to a boot condition (that is reboot or restart_reboot), and if a minor error occurs, the system displays an abbreviated error message and continues to boot as normal.
  • Page 18 Tests completed. Loading system software. (BOOT/R5:0 EZA0) -EZA0 1..0.. ? Test_Subtest_40_06 Loop_Subtest=00 Err_Type=FF DE_Memory_count_pages.lis ¡ 16 MB RAM, SIMM Set (0A,0B,0C,0D) present Memory Set 0: 04000000 to 04FFFFFF, 16MB, 0 good pages, 32768 bad pages 64 MB RAM, SIMM Set (1E,1F,1G,1H) present Memory Set 1: 00000000 to 03FFFFFF, 64MB, 131072 good pages, 0 bad pages Total of 80MB, 131072 good pages, 32768 bad pages, 136 reserved pages Operating system messages start here;...

  • Page 19: Diagnostic Tests And Utilities

    1.3.2 Diagnostic Tests and Utilities The diagnostic tests and utilities are similar to the power-up tests except that the power-up tests enable you to test all the devices in the system, whereas the diagnostic tests and utilities enable you to test single devices and the functions of single devices.
  • Page 20 Figure 1–2 (Cont.) Diagnostic Tests 5C 20062D10 SHAC SHAC_number ********* 5F 200619B8 SGEC loopback_type no_ram_tests ****** 62 20058B1C console_QDSS mark_not_present selftest_r0 selftest_r1 ***** 63 20058CA4 QDSS_any input_csr selftest_r0 selftest_r1 ****** 80 2005D3C0 CQBIC_memory bypass_test_mask ********* 81 200596CC Qbus_MSCP IP_csr ****** 82 200598AC Qbus_DELQA device_num_addr **** 83 2005A85C QZA_Intlpbck1...

  • Page 21: Option Card Tests

    Figure 1–2 (Cont.) Diagnostic Tests A0 User defined scripts A1 Powerup tests, Functional Verify, continue on error, numeric countdown A3 Functional Verify, stop on error, test # announcements A4 Loop on A3 Functional Verify A6 Memory tests, mark only multiple bit errors A7 Memory tests A8 Memory acceptance tests, mark single and multi-bit errors, call A7 A9 Memory tests, stop on error...

  • Page 22: Microvax 4000-100A Tests

    Note The following available tests are not used on the MicroVAX 3100 Model 90; they are used only on the MicroVAX 4000 Model 100A, and are listed here to avoid confusion when you see them in the diagnostic test listing (Figure 1–2). Table 1–3 MicroVAX 4000-100A Tests Test Name...
  • Page 23 You can use test 9E with the test number as a parameter to show a list of legal parameters and valid values for the test number. For example, enter T 9E 30 to show a list of legal parameters and valid values for test number 30 (Memory_Init_Bitmap).

  • Page 24: Power-Up Error Messages

    1.3.3 Power-Up Error Messages The following are examples of some error messages at power-up. Example 1 This is a typical example of a failed test. In this case, test E8 failed testing a SYNC (COMM) option. KA50-A V2.3, VMB 2.14 Performing normal system tests.
  • Page 25 58..57..56..55..54..53..52..51..50..49..48..47..46..45..44..43.. 42..41..40..39..38..37..36..35..34..33..32..31..30..29..28..27.. 26..25..24..23..22..21..20..19..18..17..16..15..14..13..12..11.. 10..09..08..07..06..05..04..03.. 16 MB RAM, SIMM Set (0A,0B,0C,0D) present Memory Set 0: 00000000 to 00FFFFFF, 16MB, 32768 good pages, 0 bad pages Error: SIMM Set 1 (1E,1F,1G,1H) SIMM_1E = 64MB SIMM_1F = 64MB SIMM_1G = 64MB SIMM_1H = 00MB ?? Total of 16MB, 32768 good pages, 0 bad pages, 104 reserved pages Normal operation not possible.
  • Page 26 Example 4 This example represents a case where one SIMM of a set is missing or incorrectly installed. In this case, only one set of SIMMs was installed. Since one was missing, there is no usable memory for testing to run to completion. SIMM 1D is missing here.

  • Page 27: Configuration Display

    1.3.4 Configuration Display The configuration display shows the system configuration and the error messages that were detected while the most recent power-up tests, diagnostic tests, and utilities were running. If you add expansion boxes to the system and do not run the power-up tests or appropriate diagnostic test or utility, the configuration display does not recognize the reconfiguration.
  • Page 28 Note The lines for F0, E8 and EC display only if the applicable option is present. If the system detects errors in the most recent power-up tests and diagnostic utilities, it responds with a configuration display similar to the following: KA50-A V2.3, VMB 2.14 08-00-2B-2B-16-91 80MB...

  • Page 29: Error Display

    1.3.5 Error Display You can use the error display to display certain errors detected during the last power-up test or diagnostic utility. To see the error display, enter the following command: >>> SHOW ERROR The system responds with a display similar to the following: ?? 001 CPU_BD 0000 B_Cache Test_35 Subtest_33 Loop_sub_27 Error_type_FF...

  • Page 30: Contacting Digital Services

    1.4 Contacting Digital Services Warning Only authorized service personnel should service the MicroVAX 3100 Model 90. If you have followed the procedures in this chapter but the problem remains unsolved, your Digital Services representative can help you. Before you place your call, follow these steps: 1.

  • Page 31: Status Led Display

    Figure 1–3 Status LED Display O P A O MLO-012035 Status LED Display Troubleshooting and Diagnosing Problems 1–25...
  • Page 33 Index Cables Device mnemonics, 1–21 checking connections, 1–13 Device status, 1–21 checking the console terminal cable, 1–1 Diagnostic commands, 1–9 checking the Ethernet cables, 1–2 Diagnostic tests, 1–9 checking the expansion box power cords, Diagnostic tests and utilities, 1–13 1–2 listing, 1–13 checking the expansion box SCSI cables, not applicable, 1–16...
  • Page 34 RRD42 troubleshooting, 1–3 caddy fault, 1–5 compact disc drive, 1–5 Field Services eject button fault, 1–5 See Digital Services troubleshooting, 1–4 RRD42 compact disc drive troubleshooting, 1–4 RX26 Loopbacks checking, 1–1 disk format error, 1–7 diskette drive, 1–7 checking connections, 1–2 diskette insertion error, 1–8 standard Ethernet, 1–1 eject error, 1–8...
  • Page 35 green LED, 1–6 head cleaning, 1–6 operate lever faults, 1–6 Terminal tape drive, 1–5 troubleshooting, 1–3 troubleshooting, 1–5 Terminators unload button, 1–6 checking, 1–1 write-protect error, 1–6 checking connections, 1–2, 1–13 TZK10 SCSI, 1–2 amber LED, 1–7 ThinWire Ethernet, 1–1 head cleaning, 1–7 Test utility numbers, 1–21 QIC tape drive, 1–7...

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