IBM Aptiva 2170 Hardware Maintenance Service Manual page 72

beeps, use See "Table 2-2 BIOS Error Beeps List" on page 43 to diagnose
system problems.
4. If you did not receive any error message, look for a description of your error
symptoms in "Table 2-3 Error Symptoms List" on page 44.
IMPORTANT: 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.
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 70.
Table 2-1 POST Error Codes and Messages List
NOTE:
To diagnose a problem, first find the BIOS error messages or codes 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.
BIOS Error Codes, Messages
0111
I/O Parity Error
0129
CPU Clock Mismatch
0151
Real Time Clock Error
0161
CMOS Battery Bad
0162
CMOS Checksum Error
0162
Equipment Configuration Error
38
Action/FRU
ISA adapter card
System board
Check CPU speed and system board DIP
switches.
See "Machine Type 2170 System Board
Jumpers and Connectors" on page 147
System board and "Machine Type 2171
and 2172 System Board Jumpers and
Connectors" on page 150
Enter BIOS Setup and load the default
settings.
CMOS battery.
System board.
Ensure the system configuration set in
BIOS Setup is correct. "BIOS Setup Utility"
on page 14.
Enter BIOS Setup and load the default
settings.
CMOS battery.
System board.