Compaq Evo D510 DT Supplementary Manual page 13

Keyboard Light Combinations Used by Boot Block ROM
Failsafe
Boot Block Keyboard
Mode LED Color
Num Lock Green
Caps Lock Green
Num, Caps, Green
Scroll Lock
Num, Caps, Green
Scroll Lock
✎
Diagnostic lights do not flash on USB keyboards.
Desktop Management Guide
7. If the system successfully starts from the diskette and
successfully reprograms the ROM, then the three keyboard lights
will turn on. A "rising tone" series of beeps also signals
successful completion.
To validate that the ROM flash was successful, complete the
following steps:
1. Insert valid ROMPaq diskette in the diskette drive.
2. Turn off power to the system.
3. Turn power on to the system to reflash the ROM.
4. If the ROM flash is successful, all three keyboard LEDs will light
up, and you will hear a rising tone series of beeps.
5. Remove the diskette and turn the power off, then on to restart the
computer.
The following table lists the various keyboard light combinations
used by the Boot Block ROM, as well as the meaning and action
associated with each combination.
Keyboard
LED Activity
On
On
Turn on and off
2 times
(accompanied
by 1 long and 3
short beeps)
On
Desktop Management Guide
State/Message
ROMPaq diskette not present, is bad,
or drive not ready.*
Enter password.*
ROM flash failed.*
Boot Block ROM Flash successful.
Turn power off, then on to reboot.
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