Vax 4000 Model 200 Manuel de service télécharger pdf (Page 7)

Chapter 1

Troubleshooting During Power-Up

After you turn on your system, the processor performs a series of self-tests

and startup routines. After successful completion of the self-tests, if the

Break Enable/Disable switch is set to disable (down), your system autoboots

system software.

1.1 Autobooting the System Software

Your system boots automatically (autoboots) after you enter the SET BOOT

device-name command for a device or string of devices (see your Operation

manual). Your system continues to boot from the speciﬁed device(s) each

time it is turned on until you enter a different SET BOOT command.

If you do not enter the SET BOOT device-name command, your system

boots from the Ethernet port, EZA0.

1.2 Troubleshooting Power-Up Problems

Refer to the descriptions of problems and corrective actions in the following

sections. If the action(s) listed do not solve the problem, call your Digital

service representative.

NOTE: In the following sections, the names of controls and indicators

on BA215-series enclosures, when different from those on BA400-series

enclosures, are italicized and enclosed in parentheses.

1.2.1 Problems During Self-Tests

Problem Possible Cause Corrective Action

No response after Power

switch turned on.

System not plugged in. Set Power switch to 0. Plug in system.

Set Power switch to 1.

No power at wall outlet. Use different wall outlet or check

circuit breaker controlling power to

wall outlet.

Troubleshooting During Power-Up 1–1

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Vax 4000 Model 200 Manuel de service Page 7