Reference Guide C-5
Writer: Debbie Thomson Saved by: Debbie L. Thomson Saved date: 06/04/97 10:56 PM
Pages: 5 Words: 966 Template: c:\msoffice\templates\commapp.dot
File Name Appc.doc Part Number 270844-002
POST Messages
continued
Message Beeps* Probable Cause Recommended Action
1793-Secondary
Controller or Disk
Failure
None Hard drive circuitry error. Run the Configuration and
Diagnostics utilities.
1800-Temperature
Alert
None Internal temperature exceeds
specification.
Check that computer air vents are
not blocked and cooling fan is
running.
Invalid Electronic
Serial Number
None Electronic serial number has
become corrupted.
Run Computer Setup.
Audible 2S Power-on successful. None.
Audible 1L, 3S FailSafe Boot Block ROM
detects invalid system ROM.
Refer to recovery procedure in
“FailSafe Boot Block ROM” section
of Chapter 2, “Understanding and
Using Intelligent Manageability.”
* L = Long, S = Short
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