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Logic PCA Board (PCA PB-586/IO Bracket)
(HP Authorized Service Providers Only)
The OmniBook 2000 and 5700 are shipped with an electronic serial number programmed in
EEPROM on the Logic PCA Board. This built-in serial number will help MIS managers in
tracking assets and software configuration. Serial numbers can also be used for security and in
tracking lost or stolen notebooks. The Desktop Management Interface (DMI) TopTools
application shipped with the OmniBook can be used to read the serial number locally and across
a network (requires HP OpenView network administration software architecture).
Programming the Electronic Serial Number
All replacement Logic PCA Boards will arrive without a serial number programmed in EEPROM.
The following procedure provides the steps necessary to program the electronic serial number
1. After installation of the replacement Logic PCA Board and upon reboot, the OmniBook will
halt with this prompt:
INVALID ELECTRONIC SERIAL NUMBER
PRESS ANY KEY TO CONTINUE
2. After a key is pressed, the OmniBook will continue a normal boot process. The HP
Authorized Service Provider must program a valid serial number before the OmniBook can
be shipped to the customer.
3. Boot the OmniBook to the DOS command-line an run the ESN.EXE program located in the
c:\omnibook\diag directory.
4. The ESN program will prompt for a valid serial number.
5. Enter the serial number located on the bottom of the OmniBook. Use uppercase letters to be
consistent with the appearance of the serial number on the OmniBook. The ESN program
will burn the serial number into EEPROM.
Overriding an Incorrect Electronic Serial Number
If an incorrect serial number is inadvertently burned into EEPROM, it can be corrected. Perform
the following steps:
1. Run the ESN.EXE program located in the c:\omnibook\diag directory.
2. The ESN program will prompt to confirm that the serial number is incorrect. It will then
generate a five (5) digit number key.
3. The HP Authorized Service Provider must contact Hewlett-Packard Technical Support at this
point.
4. HP Technical Support will ask for a CZ authorization number, or comparable credentials, and
the five (5) digit number (from step 2).
5. HP Technical Support will provide a validation key to the HP Authorized Service Provider.
6. Enter the validation key. This will erase the existing electronic serial number and prompt for
a new number.
7. Follow the above steps in Programming the Electronic Serial Number to enter the correct
serial number.
Note, updating the BIOS or software on the OmniBook will not affect the electronic serial
number.