4-8
Compaq Professional Workstation AP550 Maintenance and Service Guide
Table 4-1
POST Error Messages
continued
Error Code
Audible Beeps
L=Long S=Short Probable Source of Problem Recommended Action
Audible 1L, 3S
System ROM is bad; System is
running in Failsafe boot block
mode.
Reflash the ROM using a
ROMPaq diskette.
1800-Temperature
alert
The system is too hot. Turn off the workstation and let
it cool off. If the condition
persists, run Diagnostics to get
more information and contact
your Compaq authorized service
provider.
1801-Microcode
Patch Error
Missing or invalid Processor
Microcode Patch.
Please contact Compaq
Computer Corporation or
Compaq website at
www.compaq.com for a new
ROM BIOS to support the
processor stepping.
(RESUME = F1 KEY) None As indicated to continue.
Press
F1
* L = Long, S = Short
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