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4 Summary of the HP/Phoenix BIOS
HP/Phoenix BIOS Description
Before flashing, it is necessary to disable the “Secure Mode” switch on the
system switches, and to type in the System Administrator Password when
starting up the computer. The PCI and PnP information is erased in the
process.
Do not switch off the computer until the system BIOS update procedure has
completed, successfully or not, since irrecoverable damage to the ROM may
otherwise be caused. While updating the flash ROM, the power supply
switch and the reset button are disabled to prevent accidental interruption
of the flash programming process.
When installing a new system board, the ROM will have a blank serial
number field. This will be detected automatically by the BIOS. Depending on
the type of system board, you may or may not be prompted to enter the
serial number. The serial number is printed on the identification label on the
back of the PC.
Error Diagnostics and Suggested Corrective Actions
The programs and data in the system ROM are accompanied by a check-sum
code. If any of the programs or data ever become corrupted, the check-sum
will not correspond with the contents of the ROM, and the appropriate part
of the POST routine will attempt to report the error:
Cannot display error messages
Flash ROM may be defective
The suggested corrective action is to reprogram the system ROM by running
the same utility as is normally used for upgrading it.