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26 About Your System
Warning Messages
A warning message alerts you to a possible problem and prompts you to respond before the system
continues a task. For example, before you format a diskette, a message will warn you that you may lose all
data on the diskette. Warning messages usually interrupt the task and require you to respond by typing
y
(yes) or
n (no).
NOTE: Warning messages are generated by either the application or the operating system. For more information,
see the documentation that accompanied the operating system or application.
Diagnostics Messages
When you run system diagnostics, an error message may result. Diagnostic error messages are not
covered in this section. Record the message on a copy of the Diagnostics Checklist in "Getting Help" on
page 103, and then follow the instructions in that section for obtaining technical assistance.
4-2-1 No timer tick Faulty system board. See "Getting Help" on
page 103.
4-2-2 Shutdown test failure
4-2-3 Gate A20 failure
4-2-4 Unexpected interrupt in protected
mode
See "Troubleshooting Expansion Cards" on
page 91.
4-3-1 Improperly installed or faulty
memory modules
See "Troubleshooting System Memory" on page 88.
4-3-2 No memory modules installed in the
first memory module connector
Install a memory module in the first memory
module connector. See "System Memory" on
page 67.
4-3-3 Faulty system board Faulty system board. See "Getting Help" on
page 103.
4-3-4 Time-of-day clock stopped See "Troubleshooting System Memory" on page 88.
If the problem persists, see "Getting Help" on
page 103.
4-4-1 Super I/O chip failure; faulty system
board
Faulty system board. See "Getting Help" on
page 103.
4-4-4 Cache test failure; faulty processor See "Troubleshooting the Microprocessor" on
page 92.
Table 1-6. System Beep Codes (continued)
Code Cause Corrective Action