Compaq Evo D300 Troubleshooting Manual page 63

Numeric Codes and Text Messages
Code/Message
Invalid Electronic
Serial Number.
ECC Multiple Bit
Error Detected in
Memory Module.
Parity Check 2.
Troubleshooting Guide
Beeps Probable Cause
None Electronic serial
number has become
corrupted.
None Chipset has detected
more than one bad bit
in a 64bit quadword of
the memory array.
None Parity RAM failure.
Post Error Messages
Recommended Action
1. Run Computer Setup. If
Setup already has data
in the field or will not allow
the serial number to be
entered, download from
www.compaq.com and run
SP5572.EXE (SNZERO.EXE).
2. Run Computer Setup and
try to enter serial number
under Security, System ID,
then save changes.
Replace the memory module.
Run Computer Setup and
Diagnostic Utilities.
A–13