Compaq Armada E500 Series Maintenance And Service Manual page 40

Table 2-1
Message
Keyboard failure
No interrupts from
Timer 0
ROM at xxxx
(LENGTH yyyy) with
nonzero checksum
(zz)
Time/Date corrupt -
run SCU
Hard disk xx failure (or
error)
2-6 Troubleshooting
continued
Description
The keyboard
failed to respond
to the RESET ID
command.
The periodic
timer interrupt is
not occurring.
An illegal adapter
ROM was
located at the
specified
address.
The time and
date stored in the
real time clock
(RTC) have been
corrupted,
possibly by a
power loss.
A failure or an
error occurred
when trying to
access the
hard drive.
Recommended Action
Replace the keyboard. If the
problem persists, replace
the system board.
Replace the system board.
Check the external adapter
(such as a video card) to
determine if it is causing the
conflict.
1. Run Computer Setup
(Section 2.5).
2. If problem persists,
replace RTC battery.
3. If problems persists,
replace system board.
1. Run ScanDisk.
2. Check disk in DOS and
Windows 95.