Diagnostic tools and setup utilities 93
POST errors message definition
Whenever a non-fatal error occurs during POST, an error message describing the problem appears
onscreen. These error messages are displayed in normal video (white text on black background), and
show the details of the error. The following is an example of a POST error message:
012 --- CMOS Date/Time not set
Table 11 lists the most common POST error messages with corresponding troubleshooting
recommendation. HP recommends that you correct the error, even if the server appears to boot
successfully.
Table 11
POST error messages
Error-Code Error Message Description / Corrective Action
000 Timer Error Indicates an error while
programming the count register of
channel 2 of the 8254 timer. This
may indicate a problem with system
hardware. Requires repair of the
system board.
003 CMOS Battery Low CMOS Battery is low. This message
usually indicates that the CMOS
battery needs to be replaced. It
could also appear when the users
intentionally discharge the CMOS
battery.
004 CMOS setting Wrong CMOS settings are invalid. This
error can be resolved by using F9 to
load optimal default in the Setup
Utility.
005 CMOS checksum bad and boot in a
safe configuration please reboot
again for optimal default settings.
CMOS contents failed the
Checksum check. Indicates that the
CMOS data has been changed by
a program other than the BIOS or
that the CMOS is not retaining its
data due to malfunction. This error
can be resolved by using F9 to load
optimal default in the Setup Utility.
008 Unlock keyboard PS2 keyboard is locked. Users need
to unlock the keyboard to continue
the BIOS POST.
009 PS2 Keyboard not found Keyboard not working. Verify that
the keyboard cable is securely
connected to the keyboard port (not
the mouse port) on the rear panel of
the server. If the problem persists,
replace the keyboard or contact
your HP Customer Support provider.
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