HP xw4000 Service & Reference Manual page 147

POST Error Messages
Screen Message
Flashing Scroll Lock LED
on Keyboard (Most
models. Orange LED
glows on Evo W8000
Workstation.)
Invalid Electronic Serial
Number
Num Lock LED on
Keyboard
(Resume = F1 KEY)
XXOOOYZZ Parity
Check
* L = Long, S = Short
Service Reference Guide
Beeps* Probable Cause
2L, 1S System board hardware
failure (prior to video).
None Electronic serial number
has become corrupted.
None Failed Boot Block.
None As indicated to continue.
None Parity RAM failure.
POST Error Messages
Recommended Action
Replace system board.
Run Computer Setup (F10 Setup). If
Setup already has data in the field
or will not allow the serial number to
be entered, download and run
SP5572.EXE (SNZERO.EXE).
Run F10 Setup and try to enter serial
number under Security, System ID,
then save changes.
Reflash the ROM using a ROMPaq
diskette.
Press F1.
Run Computer Setup and Diagnostic
Utilities.
C–11