Compaq AP500 - Manual (Page 116)

4-40 Diagnostic Tools
The following table lists the various keyboard light combinations, as well as the meaning and
action associated with each combination.
Table 4-29
Keyboard Lights
Num
Lock 1
Caps
Lock 2
Scroll
Lock 3
Meaning and Required Action
OFF ON OFF System requires Setup Password.
Enter the Setup Password. The light remains turned on until you
enter a valid Setup Password.
ON OFF OFF System could not start from diskette because the ROMPaq diskette
is not present, is bad, or the drive is not ready.
Insert a valid ROMPaq diskette, turn the power off, then turn the
power on.
OFF OFF ON ROM upgrade failed.
Try another ROMPaq diskette. If the light remains turned on,
contact Compaq customer support.
ON ON ON ROM upgrade successfully completed.
Turn power off and back on to resume normal system operation.