HP xw4100 Service And Technical Reference Manual page 127

POST error messages (continued)
screen message
1998-Master Boot
Record has been
changed.
2000-Master Boot
Record Hard Drive has
Changed.
Invalid Electronic Serial
Number.
ECC Multiple Bit Error
Detected in Memory
Module.
Parity Check 2.
hp workstation xw4100 service and technical reference guide
probable cause
The current MBR does not
match the previously saved
copy of the MBR.
The current bootable hard
drive is not the same as the
one that was present when
MBR security was enabled.
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.
system diagnostics and troubleshooting
recommended action
Use extreme caution, The MBR may have been
updated due to normal disk maintenance
activities (disk manager, fdisk, or format).
Replacing the previously saved MBR in such
situations can cause data loss. If certain
that the MBR change is unintentional and
undesired (e.g. due to a virus), run Computer
Setup and restore the previously saved MBR
copy. Otherwise, run Computer Setup and
either disable MBR security or save the MBR
of the current bootable disk.
Run Computer Setup and either disable MBR
security or save the MBR of the current
bootable disk.
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 and run SP5572.EXE
(SNZERO.EXE).
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.
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