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This chapter contains typical error messages that you may encounter during
the power-on self-test (POST). POST is a series of tests that run every
time you turn on the computer. POST verifies that the system is configured
and functioning properly. A successful POST is followed by one or two
short beeps.
If you receive an error message listed below, follow the recommended
action. If you receive an error message that is not listed, contact your
Compaq authorized service provider. You may also want to run Computer
Checkup from the Diagnostics diskette. Information about running Computer
Checkup is presented later in this section.
If POST detects an error, one of the following events occurs:
o A message with the prefix "WARNING" appears informing you where the
error occurred. The system pauses until you press F1 to continue.
o A message with the prefix "FATAL" appears informing you where the error
occurred. After the message, the system emits a series of audible beeps.
The system then stops.
o The system emits a series of audible beeps. The system then stops.
Warning messages indicate a potential problem exists such as a system
configuration error. When F1 is pressed, the system should resume. You
should be able to correct problems that produce WARNING messages.
IMPORTANT: When a WARNING message includes the prompt to "RUN SCU," run
Computer Setup. (Computer Setup replaces the SCU utility.)
Fatal errors emit a beep and may display a FATAL message. Fatal errors
indicate severe problems, such as a hardware failure. Fatal errors do not
allow the system to resume. Some of the Fatal error beep codes are listed
at the end of this section.
Table 2-1. Warning Messages
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Message Description
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Clock not ticking correctly The real time clock is not ticking.
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CMOS checksum invalid, run CMOS RAM information has been corrupted and
SCU needs to be reinitialized by running Computer
Setup.
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CMOS failure, run SCU CMOS RAM has lost power and needs to be
reinitialized by running Computer Setup.
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Floppy controller failed The diskette drive controller failed to
respond to the reset command. Power down the
system and check all appropriate connections.
If the diskette drive controller continues to
fail, you may need to replace the system
board.
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