Check Procedures 2-9
Start" on page 2-3.
If you are unable to correct the problem using these two index tables, go to
“Undetermined Problems” on page 2-44.
NOTES:
1.  If an error message and incorrect audio response occur, diagnose the
error message first.
2.  If you cannot run the diagnostics program tests but did receive a POST
error code, diagnose the POST error message.
3.  If you did not receive any error message, look for a description of your
error symptoms in “Error Symptoms List” in table 2-2.
4.  Check all power supply voltages, switch, and jumper settings before you
replace the system board.  Also check the power supply voltages if you
have a “system no-power” condition. (See "Power Supply Cable Connector
Specifications" on page 5-18, "2137 System Board " on page 5-5
and"2138 System Board Layout" on page 5-15.)
5.  If you are unable to correct the problem by using the “BIOS Error Codes,
Messages, And Beeps List” table and “Error Symptoms List” table, go to
“Undetermined Problems” on page 2-44.
Table 2- 1 BIOS Error Codes, Messages, and Beeps List  
BIOS Error Codes,
Messages, beeps
Action/FRU
NOTE: To diagnose a problem, first find the BIOS error messages, codes,
or beeps in left column.  If directed to a check procedure, replace the FRU
indicated in the check procedure.  If no check procedure is indicated, the
first Action/FRU listed in right column is the most likely cause.
POST Error Codes and Messages
006
Equipment Configuration
Error
Ensure the equipment (diskette drive, hard
disk drive, keyboard, mouse, etc. ) are
connected properly and are set correctly in
BIOS Setup.
System board.