HP xw6400 Service And Technical Reference Manual page 145

Table 5-18 POST error messages (continued)
Screen message
Invalid Electronic Serial
Number
ECC Multiple Bit Error
Detected in Memory Module
Parity Check 2
ENWW
Probable cause
Electronic serial number has become
corrupted.
Chipset has detected more than one
bad bit in a 64-bit quadword of the
memory array.
Parity RAM failure.
Recommended action
Run Computer Setup. If Setup already has data in the
field or will not allow the serial number to be entered,
download from http://www.hp.com
SP5572.EXE (SNZERO.EXE).
Run Computer Setup and try to enter serial number
under Security, System ID, and save the changes.
Replace the memory module.
Run Computer Setup and Diagnostic utilities.
POST and error messages
and run the utility
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