DEC MicroVAX 3100 40 Troubleshooting Instructions Download Page 1

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MicroVAX 3100
Model 40 and Model 80

Troubleshooting and Diagnostic
Information

Order Number: EK-A0518-TM.001

October 1991

This manual describes the troubleshooting procedures and diagnostic
commands that you can use to solve basic problems with the MicroVAX
3100 Model 40 and Model 80 systems.

Revision Information:

This is a new manual.

Digital Equipment Corporation
Maynard, Massachusetts

Summary of Contents for MicroVAX 3100 40

Page 1: ...K A0518 TM 001 October 1991 This manual describes the troubleshooting procedures and diagnostic commands that you can use to solve basic problems with the MicroVAX 3100 Model 40 and Model 80 systems R...

Page 2: ...t that is not supplied by Digital Equipment Corporation or its affiliated companies Restricted Rights Use duplication or disclosure by the U S Government is subject to restrictions as set forth in sub...

Page 3: ...ts and Commands 1 9 1 2 1 Power Up Tests 1 10 1 2 2 Self Tests 1 12 1 2 3 Configuration Display 1 14 1 2 4 System Exerciser 1 15 1 2 5 Summary Screens 1 18 1 2 6 Error Display 1 20 1 3 Contacting Digi...

Page 4: ...icroVAX 3100 Model 40 and Model 80 systems Audience This manual is intended for people who have some experience of computers Structure of This Manual This manual has one chapter and an index Additiona...

Page 5: ...italic type Italic type emphasizes important information and indicates the complete titles of manuals boldface type Boldface type in examples indicates user input Boldface type in text indicates the f...

Page 6: ...ack connectors and terminators are correctly connected and that the connectors are not damaged for example the pins may be broken or short circuited Follow these steps 1 Shut down the operating system...

Page 7: ...in the following order a Expansion boxes b Peripherals c Console terminal d System unit The system responds with the power up test display If it does not see Section 1 1 1 1 1 1 Using the Troubleshoot...

Page 8: ...cables are connected at both ends The power cord is not connected The power cord may be faulty The power socket may not be working Make sure that all the power cords are connected correctly at both en...

Page 9: ...soft error Do not take any action unless the system fails to boot If the system does not boot see Section 1 3 Double question marks followed by numbers in the power up display indicate a hard error Se...

Page 10: ...ed correctly in the caddy Remove the disc from the caddy and reinsert it properly The eject button fails to eject the caddy The eject button is disabled by software Reenable the eject button or manual...

Page 11: ...f the problem persists contact your Digital Services representative The tape does not load Press and release the unload button Wait for the green LED to turn on before sliding the lever and removing t...

Page 12: ...tch is in the write protect position Remove the QIC tape reset the switch and try writing to the QIC tape again If the problem persists contact your Digital Services representative The system cannot r...

Page 13: ...is incorrect The RX26 accepts only high density HD or extra density ED diskettes The diskette drive head may be dirty See the MicroVAX 3100 Model 40 and Model 80 Operator Information manual for infor...

Page 14: ...uration display1 System exerciser1 Error display1 The following sections describe these tests and commands 1 You can use these tests and commands in privileged console mode only if the console securit...

Page 15: ...mware version number 2 Ethernet Hardware Address 3 Memory Size 4 Status Bar The completion mark indicates the full extent of the status bar When the status bar reaches the completion mark the power up...

Page 16: ...FRU 3 Device Number 4 Device Mnemonic 5 Error Message 6 Completion Mark The completion mark indicates the full extent of the status bar when the power up test is successful In this display a single qu...

Page 17: ...evice has a hard error associated with it Table 1 2 lists the device numbers mnemonics and names of the system devices 2 Make sure that all the required cables and terminators are securely connected t...

Page 18: ...names Table 1 2 Device Numbers Mnemonics and Names Number Mnemonic Device Name 1 NVR Nonvolatile RAM 3 DZ Serial line controller 4 CACHE Cache memory 5 MEM System internal memory 6 FPU Floating point...

Page 19: ...nd self tests it responds with a configuration display similar to the following KA45 A V1 0 08 00 2B 16 44 48 8MB 1 2 3 DEVNBR DEVNAM INFO 1 NVR OK 3 DZ OK 4 CACHE OK 5 MEM OK 8MB SY 8MB S0 1 0MB S2 3...

Page 20: ...NC DHW41 2 V1 5 1 Error Information Write down this information You must give it to your Digital Services representative when you call 1 2 4 System Exerciser Use the system exerciser if the system dev...

Page 21: ...del 80 system V1 0 is the firmware version number 2 Test Environment CU is the customer environment 3 The Duration of the Test Days hours minutes seconds hundreths of seconds 4 Device Number 5 Device...

Page 22: ...t you must correct before booting the system One question mark indicates a soft error that is an error that you do not have to correct before booting the system 2 Device Number 3 Device Mnemonic 4 Fie...

Page 23: ...etes and you choose to view the summary screens When you press Ctrl C to interrupt a system exerciser test and you choose to view the summary screen When you enter the command SHOW ESTAT The summary s...

Page 24: ...25 Line L_Param Chr_Xmt Chr_Rec Error 0 00000780 00000780 No Err 1 00000780 00000780 No Err 2 00000780 00000780 No Err 3 00000000 00000000 Not Tstd Cons_lin SYSTST_NXT_SCR 1 Y 0 N Troubleshooting and...

Page 25: ...es in this chapter but the problem remains unsolved your Digital Services representative can help you Before you place your call follow these steps 1 Write down a description of the problem including...

Page 26: ...Figure 1 1 Status LED Display RE_EN06326A_91 A B 1 0 1 0 1 Status LED Display Troubleshooting and Diagnosing Problems 1 21...

Page 27: ...Ethernet terminator 1 2 Console terminal checking cable 1 1 checking power cord 1 1 turning off 1 1 turning on 1 2 E Ethernet checking cable 1 1 Expansion box checking power cord 1 1 checking SCSI ca...

Page 28: ...1 3 Terminators checking 1 1 checking connection 1 2 SCSI 1 2 ThinWire Ethernet 1 1 Test results for system exerciser 1 18 ThinWire Ethernet 1 2 Troubleshooting 1 1 to 1 8 RRD42 compact disc drive 1 4...

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