Compaq D51s Troubleshooting Guide - Page 63

Computer, Setup, Code/Message, Beeps, Probable Cause, Recommended Action, under Security, System ID

Page 63 highlights

Post Error Messages Numeric Codes and Text Messages Code/Message Invalid Electronic Serial Number. Beeps None Probable Cause Electronic serial number has become corrupted. ECC Multiple Bit Error Detected in Memory Module. None Parity Check 2. None Chipset has detected more than one bad bit in a 64bit quadword of the memory array. Parity RAM failure. 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. Troubleshooting Guide A-13

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Troubleshooting Guide
A–13
Post Error Messages
Invalid Electronic
Serial Number.
None
Electronic serial
number has become
corrupted.
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.
ECC Multiple Bit
Error Detected in
Memory Module.
None
Chipset has detected
more than one bad bit
in a 64bit quadword of
the memory array.
Replace the memory module.
Parity Check 2.
None
Parity RAM failure.
Run Computer Setup and
Diagnostic Utilities.
Numeric Codes and Text Messages
Code/Message
Beeps
Probable Cause
Recommended Action